Journal of the Heat Transfer Society of Japan
Vol. 60, No. 253
2021. 10

Thermal Science and Engineering
Vol. 29, No. 4
2021. 10

◆特集：データ駆動科学と熱・流体工学

https://www.htsj.or.jp/journals/2121.html

ᕥ㸸ᚤẼ㇟ࣔࢹࣝ࡜ேయ

⇕ᛂ⟅ࣔࢹࣝࡢ⼥ྜᩘ࣓࣮ࢺࣝゎീᗘࡢᚤẼ㇟ணྑ㸸㉸ゎീᢏ⾡࡟ࡼࡿ⾤༊ᚤẼ㇟ࡢ㉸㧗㏿ணࢩ࣑࣮ࣗࣞࢩࣙࣥ࡜ேయ

⇕ᛂ⟅ࢩ࣑࣮ࣗࣞࢩࣙࣥ㸦ྡྂᒇᕤᴗ኱Ꮫ

ᖹ⏣᫭ṇᩍᤵ㸧ࡢ⼥ྜ࡟ࡼࡾ㸪㒔ᕷ⾤༊ෆࡢ⇕୰⑕ࣜࢫࢡࢆᐃ㔞ホ౯ࡍࡿࡇ࡜࡟ᡂຌࡋࡓ㸬ᕥᅗࡣᮾி
㖟ᗙ㏻ࡾࢆṌࡃṌ⾜⪅ࢆᑐ㇟࡜ࡋ࡚㸪⾤༊ෆࡢヲ⣽࡞ᚤẼ㇟≉ᛶࢆ⪃៖ࡋࡓୖ࡛ಶே༢఩ࡢ⇕ࢫࢺࣞࢫࢆᐃ㔞ホ౯ࡋࡓ౛࡛࠶ࡾ㸪⇕୰⑕ࣜࢫࢡపῶࢧ࣮ࣅࢫࡢ➃⥴ࢆ㛤࠸ࡓ㸬ྑᅗࡣ㸪῝ᒙࢽ࣮ࣗࣛࣝࢿࢵࢺ
࣮࣡ࢡࢆ⏝࠸ࡓ㉸ゎീ㸦SR, Super-Resolution㸧ᢏ⾡࡟ࡼࡾ㸪ࢫ࣮ࣃ࣮ࢥࣥࣆ࣮ࣗࢱ࡟ࡼࡿ⭾኱࡞ィ⟬ࢆᚲせ࡜ࡍࡿ㧗ゎീᗘ㸦HR, High-Resolution㸧ࡢᚤẼ㇟ண⤖ᯝࢆ PC ୖ࡛ᐇ⾜ྍ⬟࡞పゎീᗘ㸦LR, Low-

Resolution㸧ࢩ࣑࣮ࣗࣞࢩࣙࣥ⤖ᯝ࠿ࡽ㉸㧗㏿࡟⏕ᡂࡋࡓ౛࡛࠶ࡿ㸬㸦≉㞟グ஦ࠕ῝ᒙᏛ⩦ࢆά⏝ࡋࡓ㉸ゎീࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡿ㒔ᕷ⾤༊⇕⎔ቃࡢࣜ࢔ࣝࢱ࢖࣒ண㸦኱す 㡿㸪Ᏻ⏣ ຬ㍤㸧ࠖࡼࡾ㸧ᕥ : 60,000 ✀㢮௨ୖࡢೃ⿵࠿ࡽࢫࢡ࣮ࣜࢽࣥࢢ
ࡋࡓ⇕ఏᑟ⋡ࡀ㧗࠸໬ྜ≀⤖ᬗࡢᵓ㐀㸪ࣇ࢛ࣀࣥศᩓ㛵ಀ㸪⦆࿴᫬㛫ᵓᡂඖ⣲࡟௜㝶ࡍࡿ 58 ✀㢮ࡢ≉ᚩ㔞ࢆ⏝࠸࡚
290 ࡢ⤖ᬗ໬ྜ≀ࡢᵓ㐀ࡸ⤌ᡂ࡟⏤᮶ࡍࡿᇶ♏ⓗ࡞グ㏙Ꮚࢆᢳฟࡋࡓ㸬ࡇࡢ 290 ḟඖࡢグ㏙Ꮚ࣋ࢡࢺࣝ࡜㸪ㄪ࿴᱁ᏊືຊᏛ࠿ࡽィ⟬ࡋࡓ 320 ࡢ⤖ᬗ໬ྜ≀ࡢᩓ஘఩┦✵㛫࡟ࡘ࠸࡚ࣆ࣑ࣛࢵࢻᆺࢽࣗ
࣮ࣛࣝࢿࢵࢺ࣮࣡ࢡ࡟ࡼࡗ࡚஦๓ࢺ࣮ࣞࢽࣥࢢࡋ㸪ᚓࡽࢀࡓฟຊᒙ௨እࡢࢧࣈࢿࢵࢺ࣮࣡ࢡࢆ㌿⛣ࡋ࡚㸪⇕ఏᑟ⋡ࡢண ࣔࢹࣝࢆࢺ࣮ࣞࢽࣥࢢࡋࡓ㸬ᕥᅗࡣࡇࡢண

ࣔࢹࣝࢆ⏝࠸࡚ Material Projectࢹ࣮ࢱ࣮࣋ࢫ࡟࠶ࡿ 60,000 ✀㢮ࢆ㉸࠼ࡿ⤖ᬗ໬ྜ≀ࡢᵓ㐀࣭⤌ᡂ᝟ሗࢆࡶ࡜࡟ࢫࢡ࣮ࣜࢽࣥࢢࡍ
ࡿࡇ࡜࡛㸪㧗⇕ఏᑟ⋡ࡢ⤖ᬗ໬ྜ≀ࢆ᥈⣴ࡋࡓ⤖ᯝ࡛࠶ࡾ㸪⇕ఏᑟ⋡ࡀ㧗࠸࡜ணࡉࢀࡓࢺࢵࣉ 14ࡢ໬ྜ≀ࡢࣜࢫࢺ࡛࠶ࡿ㸬㸦≉㞟グ஦ࠕఏ⇕࣐ࢸࣜ࢔ࣝࢬ࣭࢖ࣥࣇ࢛࣐ࢸ࢕ࢡࢫࡢ㐍ᒎ㸦ሷぢ ῟୍㑻㸧ࠖࡼࡾ㸧ఏ⇕2021 ᖺ 10 ᭶

J. HTSJ, Vol. 60, No. 253

Vol. 60

2021

No. 253

Octoberఏ  ⇕┠ ḟࠑᕳ㢌ࢢࣛࣅ࢔ࠒ኱す 㡿㸪Ᏻ⏣ ຬ㍤㸦ᮾிᕤᴗ኱Ꮫ㸧㸪ሷぢ ῟୍㑻㸦ᮾி኱Ꮫ㸧 ··········· ⾲⣬⿬ࠑ㏣᝚ࠒᒱ⨾ ᱁ඛ⏕ࢆംࢇ࡛ ············································· ⱂ⃝ ᫛♧㸦ி㒔኱Ꮫྡ㄃ᩍᤵ㸧 ···········ᒱ⨾ ᱁ඛ⏕ࡢࡈ㏽ཤ࡟ᐤࡏ࡚ ···································· ᑠ⃝ Ᏺ㸦㛵す኱Ꮫྡ㄃ᩍᤵ㸧 ···········

5ࠑ᪥ᮏఏ⇕Ꮫ఍๰❧ 60 ࿘ᖺグᛕࠒ᪥ᮏఏ⇕Ꮫ఍๰❧ 60 ࿘ᖺグᛕ஦ᴗ ······························ ᖹ஭ ⚽୍㑻㸦ᮾிᕤᴗ኱Ꮫ㸧 ···········

81ࠑ≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛࠒ
≉㞟ࠕࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛࠖ࡟࠶ࡓࡗ࡚ ··················· ᑠ⏣ ㇏㸦㛵す኱Ꮫ㸧 ··········· 11ᶵᲔᏛ⩦⦰⣙ࣔࢹࣝࢆ⏝࠸ࡓ㠉᪂ⓗὶࢀไᚚ࡟ྥࡅ࡚
·········· ῝₲ ᗣ஧㸦៞᠕⩏ሿ኱Ꮫ㸧㸪῝ぢ 㛤㸦࢝ࣜࣇ࢛ࣝࢽ࢔኱Ꮫࣟࢧࣥࢮࣝࢫᰯ㸧 ··········· 12ఏ⇕࣐ࢸࣜ࢔ࣝࢬ࣭࢖ࣥࣇ࢛࣐ࢸ࢕ࢡࢫࡢ㐍ᒎ ··················· ሷぢ ῟୍㑻㸦ᮾி኱Ꮫ㸧 ··········· 16⯟✵ᶵ࢚ࣥࢪࣥ⏝ࢫࢸ࣮ࢪࣥࢢ⇞↝ჾෆ࡟ᙧᡂࡉࢀࡿ⇞↝᣺ືࡢண඙᳨▱·························································· ᚋ⸨⏣ ᾈ㸪᪂ᆅ ᝆᖹ㸦ᮾி⌮⛉኱Ꮫ㸧㸪ᗉྖ Ⅿ㸪ྜྷ⏣ ᚁ஧㸦Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ㸧 ··········· 23
῝ᒙᏛ⩦ࢆά⏝ࡋࡓ㉸ゎീࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡿ㒔ᕷ⾤༊⇕⎔ቃࡢࣜ࢔ࣝࢱ࢖࣒ண
······························································· ኱す 㡿㸪Ᏻ⏣ ຬ㍤㸦ᮾிᕤᴗ኱Ꮫ㸧 ··········· 30ᶵᲔᏛ⩦ࢆ⏝࠸ࡓẼᾮ஧┦ὶࡢὶືᵝᘧ㆑ู ······················ ୕㍯ ಟ୍㑻㸦ᮾி኱Ꮫ㸧 ··········· 36⇕஺᥮ჾࡢ⟶➃⁐᥋㒊࡟࠾ࡅࡿ AI ࢆά⏝ࡋࡓ⁐᥋Ḟ㝗ุᐃࢩࢫࢸ࣒
··················· ࿴⏣ ㈗⿱㸪஭ᒸ Ⰻኴ㸪⠛⏣ ⸅㸪Ᏻ㒊 ṇග㸦᪥❧㐀⯪ᰴᘧ఍♫㸧㸪᭹㒊 ὒ㸦ᰴᘧ఍♫ࢽࢳࢰ࢘ࢸࢵࢡ㸧 ··········· 44ࠑࣄࢫࢺ࣮ࣜ㹏ࠒே࡜⇕࡜ࡢ㛵ࢃࡾࡢ㊊㊧㸦ࡑࡢ㸶㸧㸫᪥ᮏ㏆௦〇㕲ࡢⓎ⚈ 㔩▼࠿ࡽඵᖭ࡬㸫··················· ᳃ ୍ḯ㸦㔩▼ᕷᩥ໬ࢫ࣏࣮ࢶ㒊ୡ⏺㑇⏘ㄢ㸧㸪ᫍ ᮁ㸦ᮾ໭Ꮫ㝔኱Ꮫ㸧 ··········· 50
ࠑ⾜஦࢝ࣞࣥࢲ࣮ࠒ ········································································································· 57ࠑ࠾▱ࡽࡏࠒ
➨ 59 ᅇ᪥ᮏఏ⇕ࢩ࣏ࣥࢪ࣒࢘◊✲Ⓨ⾲ㄽᩥເ㞟·································································· 58ඃ⚽ࣉࣞࢮࣥࢸ࣮ࢩࣙࣥ㈹㸦➨ 59 ᅇ᪥ᮏఏ⇕ࢩ࣏ࣥࢪ࣒࢘㸧࡟ࡘ࠸࡚ ··································· 60᪥ᮏఏ⇕Ꮫ఍୺ദ࢜ࣥࣛ࢖ࣥㅮ⩦఍ࠕィ ᢏ⾡ࠥ ᐃࡢᇶ♏࡜タィᛂ⏝ࠥࠖཷㅮ⪅ເ㞟ࡢࡈ᱌ෆ···· 61࣭஦ົᒁ࠿ࡽࡢ㐃⤡····································································································· 62ࠑ⦅㞟ฟ∧㒊఍ࣀ࣮ࢺࠒ ·································································································· 65

Vol.60㸪No.253㸪October 2021
CONTENTS
㸺Opening-page Gravure: heat-page㸼
Ryo ONISHI, Yuki YASUDA (Tokyo Institute of Technology)
Junichiro SHIOMI (The University of Tokyo) āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā

Opening Page

㸺Eulogy㸼In Memory of Professor Itaru Michiyoshi
Akimi SERIZAWA (Kyoto University, Professor Emeritus) āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā 1
To the Memory of Professor Itaru Michiyoshi
Mamoru OZAWA (Kansai University, Professor Emeritus) āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā 5

㸺The 60th Anniversary㸼HTSJ 60th Anniversary
Shuichiro HIRAI (Tokyo Institute of Technology) āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā 8

㸺Special Issue: Data-Driven Science for Thermal and Fluids Engineering㸼Preface to the Special Issue on “Data-Driven Science for Thermal and Fluids Engineering”
Yutaka ODA (Kansai University) āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā 11
Towards an Innovative Flow Control with Machine Learning-Based Reduced-Order Modeling
Koji FUKAGATA (Keio University),
Kai FUKAMI (University of California, Los Angeles) āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā 12
Progress in Materials Informatics for Heat Transfer
Junichiro SHIOMI (The University of Tokyo) āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā 16
Early Detection of Combustion Oscillations in a Staged Aircraft Engine Model Combustor
Hiroshi GOTODA, Yuhei SHINCHI (Tokyo University of Science),
Takeshi SHOJI, Seiji YOSHIDA (Japan Aerospace Exploration Agency) āāāāāāāāāāāāāāāāāāāāāāāāā 23
CNN-Based Super-Resolution Simulation for Realtime Prediction of Urban Heat Environment
Ryo ONISHI, Yuki YASUDA (Tokyo Institute of Technology) āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā 30
Gas-Liquid Two-Phase Flow Regime Identification using Machine Learning Techniques
Shuichiro MIWA (The University of Tokyo) āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā 36
Welding Defects Detection System Utilizing AI in Tube-to-Tubesheet Weld Joints of Heat Exchangers
Takahiro WADA, Ryota IOKA, Kaoru SHINODA, Masamitsu ABE (Hitachi Zosen Corporation),
Hiroshi HATTORI (NICHIZO TECH INC.) āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā 44

㸺History Q㸼
Footprints of the relationship between humans and heat (Part 8)-Origin of Japanese modern iron manufacture “From Kamaishi to Yahata”Kazuyoshi MORI (World Heritage Division, Kamaishi City),
Akira HOSHI (Tohoku Gakuin University) āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā 50

㸺Calendar㸼 āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā 57
㸺Announcements㸼 āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā 58
㸺Note from the JHTSJ Editorial Board㸼 āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā 65

㏣᝚ᒱ⨾ ᱁ඛ⏕ࢆംࢇ࡛In Memory of Professor Itaru Michiyoshiⱂ⃝ ᫛♧㸦ி㒔኱Ꮫྡ㄃ᩍᤵ㸧Akimi SERIZAWA (Kyoto University, Professor Emeritus)                                     e-mail:   ser3811@nifty.com➨ 24 ௦఍㛗ࡢᒱ⨾ ᱁ඛ⏕ࡀ 2021 ᖺ 6 ᭶ 7 ᪥࡟ᛴᛶ⫵⅖ࡢࡓࡵ 94 ṓ࡛Ọ╀ࡉࢀࡲࡋࡓ㸬ඛ⏕ࡢࡈ㑇ᚿ࡛㏆ぶࡢ᪉ࡔࡅ࡛ࡈⴿ൤ࡀ⾜ࢃࢀࡓ࡜ࡢࡇ
࡜࡛ࡍ㸬ᒱ⨾ඛ⏕ࡼࡾ⸅㝡ࢆ㡬࠸ࡓ୍ே࡜ࡋ࡚㸪ඛ⏕ࡢࡈෞ⚟ࢆᚰࡼࡾ࠾♳ࡾ⏦ࡋୖࡆࡲࡍ㸬 ᒱ⨾ඛ⏕ࡣ௒ᖺࡢึࡵࡲ࡛ࡣ࠾ඖẼ࡛࠾ࡽࢀ㸪࠾୍ே᮫࡛ࢆ౑ࡗ࡚ᩓṌࢆࡉࢀࡓࡾ㸪ዟᵝ࡜ࡈ୍⥴࡟እ㣗ࢆᴦࡋࢇ࡛࠾ࡽࢀࡓ࡜࠾⪺ࡁࡋ࡚࠸ࡲࡍ㸬
2 ᭶࡟ࡈ⮬Ꮿࡢ⋞㛵࡛㌿ಽࡉࢀࡓࡢࡀཎᅉ࡛⫤㛵⠇ࡸ⬨᳝ࢆ㦵ᢡࡉࢀ㸪ධ㝔἞⒪࡜⮬Ꮿ⒪㣴ࢆ⧞㏉ࡋ࡚࠾ࡽࢀࡓࡼ࠺࡛ࡍ㸬⚾ࡶྵࡵ࡚ᒱ⨾◊✲ᐊࡢ༞ᴗ⏕ࡢከࡃࡣࡈ㧗㱋ࡢᒱ⨾ඛ⏕ࡀࡑࢀࡲ࡛࡜ኚ
ࢃࡽࡎ࠾ඖẼ࡟࠾㐣ࡈࡋࡢࡇ࡜࡜ᛮࡗ࡚࠸ࡓࡔࡅ
࡟㸪✺↛ࡢゟሗ࡟᥋ࡋ㸪㦫ࡁ࡜῝࠸ᝒࡋࡳ࡜࡜ࡶ
࡟㠀ᖖ࡟኱ࡁ࡞ࢩࣙࢵࢡࢆཷࡅ࡚࠸ࡲࡍ㸬ᒱ⨾ඛ⏕ࡣ 1926 ᖺ 6 ᭶ 27 ᪥ࡢ࠾⏕ࡲࢀ࡛ࡍࡢ
࡛㸪‶ 95 ṓࡢㄌ⏕᪥ࢆ┠๓࡟ࡋ࡚࠾ஸࡃ࡞ࡾ࡟࡞
ࡗࡓࡇ࡜࡟࡞ࡾࡲࡍ㸬ඛ⏕ࡣ኱ኚ ཌ࡞᪉࡛㸪࠾఍࠸ࡍࡿ࡜ఱ᫬ࡶࢽࢥࢽࢥ➗㢦ࢆࡉࢀ࡚࠾ࡽࢀࡲ
ࡋࡓ㸬ඛ⏕ࡣ࠾㓇ࢆࡇࡼ࡞ࡃឡࡉࢀ㸪ࡑࡢ᝿࠸ฟ
ࡀἑᒣ࠶ࡾࡲࡍ㸬

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ᒱ⨾ ᱁ඛ⏕ࡲࡓ㸪୍᪉࡛ࡣ㸪ᩥ㒊┬Ꮫ⾡ᑂ㆟఍ጤဨࡸ᪥ᮏ
Ꮫ⾡఍㆟⇕ᕤᏛ◊✲㐃⤡ጤဨ఍ጤဨ㸪ᅜ❧㧗➼ᑓ㛛Ꮫᰯ༠఍๪఍㛗࡞࡝ࡢබ⫋࡟ᑵ࠿ࢀ㸪ᡃࡀᅜࡢᏛ⾡⾜ᨻ࡟ᑾຊࡉࢀࡿ࡜࡜ࡶ࡟㸪ᩥ㒊┬⛉Ꮫ◊✲㈝⿵ຓ㔠࢚ࢿࣝࢠ࣮≉ู◊✲⇕⌜௦⾲㸪࢚ࢿࣝࢠ࣮㔜Ⅼ㡿ᇦ◊✲㐠Ⴀጤဨ࡜ࡋ࡚ᡃࡀᅜࡢ࢚ࢿࣝࢠ
࣮⥲ྜ◊✲ࢆඛᑟࡋ࡚᮶ࡽࢀࡲࡋࡓ㸬ඛ⏕ࡣ᫛࿴ 23 ᖺ 3 ᭶࡟ி㒔኱ᏛᕤᏛ㒊ᶵᲔᕤᏛᒱ⨾ඛ⏕ࡣࡇࡢࡼ࠺࡟ 40 ᭷వᖺࡢ㛗ࡁ࡟ࢃࡓ⛉ࢆࡈ༞ᴗᚋ㸪኱Ꮫ㝔࡟㐍Ꮫࡉࢀ㸪᫛࿴ 28 ᖺ࡟ி㒔኱ᏛᕤᏛ㒊ㅮᖌ㸪᫛࿴ 31 ᖺ࡟ᕤᏛ㒊ຓᩍᤵ㸦ᚋ࡟ᕤᏛ◊✲ᡤຓᩍᤵ࡟㓄⨨᥮࠼㸧ࢆ⤒࡚㸪᫛࿴ 36
ᖺ࡟ 34 ṓࡢⱝࡉ࡛ᩍᤵ࡟᪼௵㸦ᕤᏛ㒊ཎᏊ᰾ᕤᏛ
⛉㸧㸪ᖹᡂඖᖺ࡟ᯇỤᕤᴗ㧗➼ᑓ㛛Ꮫᰯ㛗࡟㓄⨨᥮࠼࡟࡞ࡾ㸪ᖹᡂ 7 ᖺ 3 ᭶࡟ࡈ㏥⫋ࡉࢀࡿࡲ࡛ࡢ
42 ᖺ㛫୍㈏ࡋ࡚ᩍ⫱࣭◊✲࡟ே⏕ࢆᤝࡆ࡚ࡇࡽࢀ
ࡲࡋࡓ㸬ࡑࡢ㛫㸪ྠᚿ♫኱Ꮫ㸪⚟஭኱Ꮫ㸪኱㜰ᗓ❧኱Ꮫ㸪⚄ᡞ኱Ꮫ኱Ꮫ㝔➼ࡢ㠀ᖖ໅ㅮᖌࢆົࡵࡽ
ࢀࡿ࡜࡜ࡶ࡟㸪᪥ᮏఏ⇕◊✲఍㸦⌧ᅾࡢ᪥ᮏఏ⇕Ꮫ఍㸧఍㛗㸪᪥ᮏᶵᲔᏛ఍๪఍㛗㸪᪥ᮏཎᏊຊᏛ
఍⌮஦㸪᪥ᮏΰ┦ὶᏛ఍఍㛗ࢆṔ௵ࡉࢀ࡚࠸ࡲࡍ㸬ࡿᏛ⾡◊✲ࡸᩍ⫱㸪ࡑࡋ࡚Ꮫ⾡⾜ᨻ࡟࠾࠸࡚㸪ᖖ࡟ඛぢⓗ㸪ඛᑟⓗ❧ሙ࠿ࡽ㸪᪂ࡋ࠸Ꮫၥ㡿ᇦࡢ㛤ᣅ࡜య⣔໬㸪᪂⌮ㄽࡢᒎ㛤㸪ᐇ㦂ᢏ⾡ࡢ㛤Ⓨ࡜ࢹ࣮ࢱࡢ㞟✚ࢆ⾜࠸㸪Ꮫ⾡ཬࡧᕤᏛࡢⓎᒎ࡟኱ࡁࡃ
㈉⊩ࡉࢀ㸪ࡑࡢᏛၥ㡿ᇦࡢᗈࡉ࡜ዟ⾜ࡁࡢ῝ࡉ㸪ࡑࡋ࡚ே㛫ⓗ࡞ᖜࡢᗈࡉࡣ㸪࡞࠿࡞࠿ซே࡟ࡣ┿ఝࡢ࡛ࡁ࡞࠸㸪࠶ࡿព࿡࡛ࡣᒱ⨾ඛ⏕⊂≉ࡢဴᏛࡀ࠶ࡗࡓࡼ࠺࡟ᛮࢃࢀࡲࡍ㸬ᖹᡂ 11 ᖺࡢ᫓ࡢླྀ໏
࡛ࡣ㸪ࡇࡢࡼ࠺࡞ᒱ⨾ඛ⏕ࡢࡈᴗ⦼࡟ᑐࡋ࡚㸪໏୕➼᪫᪥୰⥓❶ࡀᤵ୚ࡉࢀ࡚࠸ࡲࡍ㸬ఏ⇕ 2021 ᖺ 10 ᭶ ᒱ⨾ඛ⏕ࡢࡈᑓ㛛ࡣఏ⇕Ꮫ㸪⇕ὶయᕤᏛ㸪࢚ࢿࣝࢠ࣮ኚ᥮ᕤᏛ㸪ཎᏊ⅔ᕤᏛ㸪ΰ┦ὶ⛉Ꮫ➼ࠎࡢ-1-J. HTSJ, Vol. 60, No. 253

㏣᝚ᾮ஧┦ὶࡢὶື࡜⇕ఏ㐩࡟㛵ࡍࡿࡈ◊✲➼ࠎࡢᇶ♏◊✲࡟࠾࠸࡚ࡶከࡃࡢᴗ⦼ࢆṧࡉࢀࡲࡋࡓ㸬
⚾⮬㌟ࡣᒱ⨾ඛ⏕ࡢ◊✲ᐊ࡛Ꮫ㒊㸪኱Ꮫ㝔㸦ಟኈㄢ⛬࠾ࡼࡧ༤ኈㄢ⛬㸧㸪ࡑࡋ࡚᪥ᮏᏛ⾡᣺⯆఍ዡບ◊✲ဨ᫬௦ࢆྵࡵ࡚ 8 ᖺ㛫ࢆ㐣ࡈࡉࡏ࡚㡬ࡁ㸪ࡈᣦᑟ㡬ࡁࡲࡋࡓ㸬⚾ࡀி㒔኱ᏛᕤᏛ㒊ཎᏊ᰾ᕤᏛ⛉࡟ධᏛࡋࡓࡢࡣ᫛࿴ 37 ᖺ 4 ᭶࡛ࡍࡀ㸪ᙜ᫬ࡢᩍᐊ୺௵ࡀᒱ⨾ඛ⏕࡛ࡋࡓ㸬᪂ධ⏕࡬ࡢ࢞࢖ࢲࣥ
ࢫ᫬࡟ᩍᐊ୺௵࡜ࡋ࡚ᣵᣜࡉࢀࡓᒱ⨾ඛ⏕ࡣཎᏊ᰾ᕤᏛ⛉ᩍᤵ࡟ᑵ௵ࡉࢀࡓ⩣ᖺࡢ 35 ṓࡢⱝ࠸Ẽ㗦ࡢᩍᤵ࡛㸪ෑ㢌࡟ᥖࡆࡓᒱ⨾ඛ⏕ࡢ࠾෗┿࠿ࡽཷࡅࡿ༳㇟࡜ࡣࡲࡿ࡛㐪ࡗ࡚㸪኱ኚࡴࡗࡘࡾࡋࡓ
༳㇟࡛ࡋࡓ㸬ࡑࡢᚋ㸪Ꮫ㒊 3 ᅇ⏕࡛ึࡵ࡚ᒱ⨾ඛ⏕ࡢᤵᴗࢆཷࡅࡿࡇ࡜࡟࡞ࡾࡲࡋࡓ㸬ᒱ⨾ඛ⏕ࡢㅮ⩏ࡣᮅ୍␒ࡢㅮ⩏࡛ཎᏊ⅔ᕤᏛࢆᩍ࠼࡚㡬ࡁࡲࡋࡓ㸬ᙜ᫬ࡣ௒ࡢࡼ࠺࡟ࢮࣟࢵࢡࢫ࡞࡝ࡢ౽฼࡞
」෗ᶵࡣ࡞ࡃ㸪࢔ࣥࣔࢽࣕࡢໝ࠸ࡢṧࡿ㟷↝ࡁࡢᅗ㠃ࢥࣆ࣮ࡀᤵᴗࡢᗘ࡟ἑᒣ㓄ᕸࡉࢀ㸪ᒱ⨾ඛ⏕ࡣ୍ゝ୍ྃࡢᩥ❶ࢆ㯮ᯈ࡟୎ᑀ࡟࠾᭩ࡁ࡟࡞ࡾ㸪ᡃࠎᏛ⏕ࡣᚲṚ࡟ࡑࢀࢆࣀ࣮ࢺ࡟᭩ࡁ෗ࡋࡓࡢࢆ
グ᠈ࡋ࡚࠸ࡲࡍ㸬ᙜ᫬㸪ཎᏊຊࡣ᫬௦ࡢⰼᙧ࡛࠶
ࡾ㸪⭾ᙇࡍࡿᑗ᮶ࡢ᪥ᮏࡢ㟁ຊ౪⤥ࢆ⫼㈇ࡗ࡚❧ࡘ୺ຊ࢚ࢿࣝࢠ࣮※࡜ࡋ࡚ࣂࣛⰍࡢክࢆேࠎ࡟ឤ
ࡌࡉࡏࡿ㨩ຊ࠶ࡿศ㔝࡛ࡋࡓ㸬ᚋ࡟⚟ᓥ➨୍ཎⓎ஦ᨾࡢࡼ࠺࡞㔜኱࡞஦ែࢆᘬࡁ㉳ࡇࡍ஦࡟࡞ࡿ࡞
࡝࡜ࡣᙜ᫬᝿ീࡍࡽࡋࡲࡏࢇ࡛ࡋࡓ㸬⚾ࡣ 3 ᅇ⏕࠿ࡽᒱ⨾ඛ⏕ࡢ◊✲ᐊ㓄ᒓ࡜࡞ࡾࡲ
ࡋࡓࡀ㸪4 ᅇ⏕ࡢ༞ᴗ◊✲࡜ࡋ࡚Ẽᾮ஧┦ὶࡢ⵨Ẽ࣎࢖ࢻ⋡࡟㛵ࡍࡿᐇ㦂◊✲࡟ᚑ஦ࡍࡿࡼ࠺࡟࡞
ࡾ㸪ࡑࡇ࡛ᒱ⨾ඛ⏕ࡢ┤᥋ࡢࡈᣦᑟࢆ㡬ࡃࡇ࡜࡟࡞ࡗࡓヂ࡛ࡍ㸬ᒱ⨾◊✲ᐊ࡟ࡣཎᏊ᰾ᕤᏛ⛉➨ ᮇ⏕ࡢ୰ᓥ ೺㸦⌧㸧⚄ᡞ኱Ꮫྡ㄃ᩍᤵࡀ༤ኈㄢ
⛬࡟ᅾ⡠ࡋ࡚࠾ࡾ㸪ᩥᏐ㏻ࡾ඗㈗ศ࡜ࡋ࡚Ⰽࠎ࡜
ᣦᑟ㡬ࡁࡲࡋࡓ㸬ᙜ᫬ཎᏊຊࡣ᫬௦ࡢᑋඣ࡛ࡋࡓ
࠿ࡽ㸪ᅜ࠿ࡽࡢ◊✲㈝ࡶ₶ἑ࡛࠶ࡗࡓࡼ࠺࡛㸪኱ᏛࡢཎᏊຊ㛵㐃ㅮᗙ࡟ࡣ኱ᆺࡢ≉ูண⟬ࡀḟ࠿ࡽḟ࡬࡜௜࠸ࡓ᫬௦࡛ࡋࡓ㸬኱Ꮫ㝔ಟኈㄢ⛬࡟㐍Ꮫࡍࡿ㡭࡟ࡣᒱ⨾◊✲ᐊ࡟ࡶ኱ᆺண⟬࡟ࡼࡿཎᏊື
ຊᐇ㦂⿦⨨ࡀᏱ἞࢟ࣕࣥࣃࢫෆ࡟᏶ᡂࡋ㸪Ἓ㦐ὶయ࣮ࣝࣉᐊ࡟ࡣෆ㒊Ⓨ⇕ࢆక࠺ఏ⇕ᐇ㦂⿦⨨࡜ࡋ࡚ࡢࢫ࣮࣮ࣛࣜࣝࣉ࡜ࢹ࢕ࣇ࢙ࢽ࣮ࣝࢆసືὶయ
࡜ࡍࡿ᭷ᶵᾮయἛ㦐ఏ⇕ᐇ㦂࣮ࣝࣉࡀ㸪ࡑࡋ࡚㞄ࡢᾮయ㔠ᒓ࣮ࣝࣉᐊ࡟ࡣࣅࢫ࣐ࢫఏ⇕ᐇ㦂⿦⨨࡜᭱኱☢ሙ 1 ࢸࢫ࣮ࣛࡢ㟁☢▼௜ࡁࡢỈ㖟࣮ࣝࣉ㸪ከᒱ࡟ࢃࡓࡾࡲࡍࡀ㸪ᜍࡽࡃඛ⏕ࡈ⮬㌟࡟࡜ࡗ࡚᭱ࡶࡸࡾ⏥ᩫࡢ࠶ࡗࡓ௙஦ࡣ㸪ࡈ⮬㌟ࡢᜠᖌ࡛࠶
ࡿⳢཎⳢ㞝ඛ⏕㸦ఏ⇕◊✲఍➨ 6 ௦఍㛗㸪ி㒔኱Ꮫ㸧࡜ࡢඹⴭㄽᩥ࡟௦⾲ࡉࢀࡿ1㸬⮬↛ᑐὶ⇕ఏ㐩࡟㛵ࡍࡿ◊✲
2㸬 จ⦰⇕ఏ㐩࡟㛵ࡍࡿ◊✲࠾ࡼࡧᒱ⨾ඛ⏕ࡀᕤᏛ◊✲ᡤ᫬௦࡟బ⸨ ಇඛ⏕㸦➨ 16 ௦఍㛗㸧ࡽ࡜୍⥴࡟◊✲ࡉࢀࡓ3㸬 Ἓ㦐࡜ࣂ࣮ࣥ࢔࢘ࢺࡢ◊✲࡛࠶ࡗࡓࡇ࡜࡜ᛮ࠸ࡲࡍ㸦࠸ࡎࢀࡶ᪥ᮏᶵᲔᏛ఍
ㄽᩥ㞟㸧㸬
⮬↛ᑐὶ⇕ఏ㐩࡟㛵ࡍࡿࡈ◊✲࡛ࡣ㸪Ἔ㸪Ỉ㸪✵Ẽཬࡧᾮయ㔠ᒓ࡞࡝ࡢ௵ពࡢὶయࡀ㖄┤ࡲࡓࡣỈᖹ࡞ቨ㠃࡟ἢࡗ࡚ᒙὶ࠶ࡿ࠸ࡣ஘ὶ࡜࡞ࡗ࡚⮬↛ᑐὶࡍࡿሙྜࡢ⇕ఏ㐩࡟ࡘ࠸࡚㸪⌮ㄽⓗ㸪ᐇ㦂ⓗ࡟◊✲ࡉࢀࡲࡋࡓ㸬≉࡟㸪ቨ㠃ࡢ ᗘࡀ㠀ᐃᖖ࡟ኚ໬ࡍࡿሙྜࡸᙉไᑐὶ⇕ఏ㐩ࡀඹᏑࡍࡿሙྜ
࡞࡝࡟ࡶ㐺⏝࡛ࡁࡿ୍⯡ⓗ࡞⌮ㄽᘧࢆᑟࡃ࡜ඹ࡟㸪ࡑࡢጇᙜᛶࢆᐇ㦂ⓗ࡟᳨ドࡉࢀ࡚࠾ࡽࢀࡲࡍ㸬จ⦰⇕ఏ㐩࡟㛵ࡍࡿࡈ◊✲࡛ࡣ㸪Ỉ⵨Ẽࡀ㖄┤ቨ࡟⁲≧จ⦰ࡍࡿሙྜࡢ⇕ఏ㐩ࢆ⌮ㄽⓗ࡟ゎᯒࡋ㸪┿✵᫬୪ࡧ࡟Ỉ⵨Ẽࡀᙉไὶືࡍࡿሙྜࡢᐇ㦂ࢆ⾜࠸㸪⌮ㄽᘧࡢ㐺⏝ᛶࢆ☜࠿ࡵࡿ࡜ඹ࡟㸪⁲≧จ⦰ࢆ⥔ᣢࡍࡿ᪉ἲ࡟ࡘ࠸࡚ࡶ◊✲ࡉࢀࡲࡋࡓ㸬 Ἓ㦐⌧㇟࡜ࣂ࣮ࣥ࢔࢘ࢺࡢࡈ◊✲ࡣ㸪ཎᏊ⅔ࡢ
ฟຊ㐓㉮஦ᨾ᫬ࡢ㐣ΏἛ㦐࡟㛵ࡋ㸪ึẼἻⓎ⏕࡟⮳ࡿ࣓࢝ࢽࢬ࣒ࢆ⌮ㄽⓗ࡟ᥦ᱌ࡋ㸪⮬↛ᚠ⎔࠶ࡿ࠸ࡣᙉไᚠ⎔࡟ࡼࡗ࡚෭༷ࡉࢀࡓᶍᨃ⇞ᩱᲬࡀࣂ࣮ࣥ࢔࢘ࢺࡍࡿࡲ࡛ࡢㅖ⌧㇟ࢆ⌮ㄽⓗཬࡧᐇ㦂ⓗ࡟◊✲ࡉࢀࡓࡶࡢ࡛㸪ᙜ᫬࡜ࡋ࡚ࡣ኱ኚඛ㥑ⓗ࡞◊✲࡛ࡋࡓ㸬 ◊✲ᐊࡢࢥࣥࣃࡸ㣧ࡳ఍ࡢᖍୖ㸪ᒱ⨾ඛ⏕࠿ࡽᙜ᫬ࡢヰ࡜ࡋ࡚㸪ᡭᘔࡋィ⟬ᶵ࡛࠶ࡿࢱ࢖࣮࢞ィ⟬ᶵࢆ౑ࡗ࡚ᚤศ᪉⛬ᘧࢆゎ࠸ࡓࡇ࡜㸪Ἓ㦐㛤ጞ᮲௳ࡸࣂ࣮ࣥ࢔࢘ࢺࡢ◊✲ࢆ୍⥴࡟ࡉࢀࡓబ⸨ඛ
⏕ࡸ㸪➉ෆ㈗୍㑻ඛ⏕㸦ᚋ࡟ྠᚿ♫኱Ꮫ㸧㸪ࡑࡋ࡚㏆⸨ዋ஬Ặࡢ࠾ྡ๓ࢆࡋࡤࡋࡤཱྀ࡟ࡉࢀ࡚࠾ࡽ
ࢀࡓࡢࡀᙉࡃ༳㇟࡟ṧࡗ࡚࠸ࡲࡍ㸬ཎᏊ᰾ᕤᏛᩍᐊ࡟㉱௵ࡉࢀࡓᚋࡣ࢞ࢫ㸪Ỉ㸪᭷ᶵᾮయ㸪ᾮయ㔠ᒓࢆ෭༷ᮦ࡜ࡋࡓཎᏊ⅔㸪ཬࡧ㸪ὶື⇞ᩱᆺཎᏊ⅔ࡢὶື࡜⇕ఏ㐩࡟㛵㐃ࡋ࡚㸪ෆ㒊Ⓨ⇕ࢆక࠺⟶ෆὶࡢ⇕ఏ㐩ࡸ⭷Ἓ㦐⌧㇟㸪㧗࢞ࢫࡢὶື࡜⇕ఏ㐩㸪Ỉ㖟ࡸࣅࢫ࣐ࢫ㸪࣒࢝ࣜ࢘㸪ࢼࢺ࣒ࣜ࢘㸪NaK ࡞࡝ࡢᾮయ㔠ᒓࡢἛ㦐⌧㇟㸪Ẽఏ⇕ 2021 ᖺ 10 ᭶

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J. HTSJ, Vol. 60, No. 253

㏣᝚ᒱ⨾ඛ⏕ࡢ኱ࡽ࠿࡞࠾ே᯶࡟ࡼࡿࡶࡢ࡜㸪௒࡟࡞ࡗ࡚ࡘࡃ࡙ࡃឤㅰࡋ࡚࠸ࡿḟ➨࡛ࡍ㸬ᆅ᪉࡛Ꮫ఍ࡀ㛤ദࡉࢀࡿሙྜ࡟ࡣ㸪Ꮫ఍ࡀ⤊ࢃࡿ࡜ᚲࡎࡸᒱ⨾ඛ⏕ࢆᘬࡗᙇࡾ㎸ࢇ࡛◊✲ᐊࡢ௰㛫㐩࡜୍⥴࡟ Ἠ࡟ᾐ࠿ࡾ㸪ྠᐟࡋ㸪࠾㓇ࢆ㓃ࡳ஺ࢃࡋ࡞ࡀࡽ◊✲ヰࡸ㞧ㄯࢆᴦࡋࢇࡔ᝿࠸ฟࡀἑ
ᒣ࠶ࡾࡲࡍ㸬ࡲࡓ㸪◊✲ᐊࡢࢥࣥࣃࡢᚋ㸪ඛ⏕ࡢ⾜ࡁࡘࡅࡢ㣧ࡳᒇࡉࢇ࡟㸦᫬࡟ࡣி㢼ࡢᑠᩱ⌮ᒇࡉࢇࡸ๭ↀ࡟ࡶ㸧㐃ࢀ࡚⾜ࡗ࡚㡬࠸࡚ࡈ㥅㉮࡟࡞ࡗࡓࡾࡶࡋࡲࡋࡓ㸬࠶ࡿ᫬㸪◊✲ᐊࡢࢥࣥࣃ࡟⥆ࡃ 2 ḟ఍࡛㣧ࢇࡔᚋ㸪⚾ࡀ㌴ࢆ㐠㌿ࡋඛ⏕ࢆࡈ⮬
Ꮿ࡟࠾㏦ࡾࡍࡿ㏵୰㸪῝ኪࡢ㬞ᕝሐ㜵᳨࡛ၥ࡟ᘬ
ࡗ࠿࠿ࡗࡓࡇ࡜ࡀ࠶ࡾࡲࡋࡓ㸬ᙜ᫬ࡢி㒔ே࡟ࡣᏛ⏕ࢆ≉ูᢅ࠸ࡍࡿ㢼⩦ࡀ࠶ࡗࡓࡢ࠿㸪᳨ၥࡢ㆙ᐹᐁࡶᐇ࡟㮚ᥭ࡛㸪ࠕඛ⏕ࢆࡈ⮬Ꮿࡲ࡛࠾㏦ࡾࡍࡿ
࡜ࡇࢁ࡛ࡍࠖ࡜ゝ࠺࡜ࠕẼࢆࡘࡅ࡚㐠㌿ࡋ࡚ᖐࡗ࡚ࡃࡔࡉ࠸ࠖ࡜㣧㓇㐠㌿ࢆ࿶ࡵࡽࢀࡿ஦ࡶ࡞ࡃ↓⨥ᨺච㸪ᚋ㒊ᗙᖍ࡛࠺࡜࠺࡜ࡋ࡚࠾ࡽࢀࡿᒱ⨾ඛ⏕ࡢጼࢆ࣑࣮ࣛ㉺ࡋ࡟═ࡵ࡚㐣ࡈࡋࡓグ᠈ࡀ࠶ࡾࡲࡍ㸬ࡲࡓ㸪⯙㭯࡛ࡢ⯪㔮ࡾ࡟࠾ㄏ࠸ࡋ㸪⋓ࢀ㐣ࡂࡓ኱≀࢝ࣞ࢖ᩘ༑ᯛࢆ඲㒊ඛ⏕࡟ᣢࡕᖐࡗ࡚㡬࠸ࡓ࡜ࡇࢁ㸦ඛ⏕௨እࡣ඲ဨ⊂㌟⪅ࡢࡓࡵ㸧㸪ࡈ㏆ᡤ࡟㓄ࡗ࡚ࡶฎ⌮࡛ࡁࡎ࡟኱ኚᅔࡗࡓ㸪࡜ᚋ࡛ඛ⏕࠿ࡽ࠾⪺ࡁࡋ㸪⏦ࡋヂ࡞࠸ࡇ࡜ࢆࡋ࡚ࡋࡲࡗࡓ
࡜ᛮ࠸ࡲࡋࡓࡀᚋࡢ⚍ࡾ࡛ࡍ㸬ࡇࡢࡼ࠺࡟ᖌᘵࡢ㛵ಀࢆ㉸࠼࡚ᒱ⨾ඛ⏕ࡢ࠾ே
᯶࡟ゐࢀࡿᶵ఍ࡣ⚾ࡔࡅ࡛࡞ࡃ㸪ከࡃࡢ㛛ୗ⏕ࡀ⤒㦂ࡋࡓࡇ࡜ࡔ࡜ᛮ࠸ࡲࡍ㸬ࡑࢇ࡞ヂ࡛㸪Ⰽࠎ࡞⠇┠࡟㸪ከࡃࡢ㛛ୗ⏕ࡀඛ⏕ࡢ࿘ࡾ࡟ఱ᫬ࡶ⮬↛࡜㞟ࡲࡗ࡚ࡁ࡚࠸ࡲࡋࡓ㸬ྂᕼࡢ࠾⚃࠸㸪ླྀ໏ࡢ࠾⚃࠸㸪ࡑࡋ࡚⡿ᑑࡢ࠾⚃࠸➼ࠎ㸪ㄡࡀゝ࠺࡛ࡶ࡞ࡃ⮬↛ࡢὶࢀ࡜ࡋ࡚௻⏬ࡉࢀ㸪ከࡃࡢ㛛ୗ⏕࠿ࡑࡋ࡚㧗 ࢞ࢫ࣮ࣝࣉᐊ࡟ࡣ࢔ࣝࢦࣥ࢞ࢫࢆసື
ὶయ࡜ࡍࡿ MHD Ⓨ㟁࣮ࣝࣉ࡜ࣉࣛࢬ࣐ᐇ㦂⿦⨨㸪㧗 ࢞ࢫఏ⇕㺃ὶືᐇ㦂⿦⨨➼ࡢ኱ᆺᐇ㦂⿦⨨࠾ࡼࡧྍどほᐹ⏝ࡢ࣐ࢵࣁࢶ࢚ࣥࢲ࣮࡜ࢩ࣮ࣗࣜࣞ
ࣥ⿦⨨ࡀタ⨨ࡉࢀ㸪Ꮫ⏕࣭㝔⏕ࡢከࡃࡣᏱ἞ࡢᐇ
㦂ᐊ࡟ఫࡳ㎸ࡴ࠿ࡢࡼ࠺࡟ᐷἩࡲࡾࡋ㸪஺࡛᭰ኤ㣗ࢆసࡾᐇ㦂࡟ບࢇ࡛࠸ࡲࡋࡓ㸬ᙜ᫬㸪ᒱ⨾ඛ⏕ࡣ᫬ᢡྜྷ⏣࢟ࣕࣥࣃࢫ࠿ࡽ኱Ꮫ
ࡢࢩࣕࢺࣝࣂࢫࢆ฼⏝ࡋ࡚Ᏹ἞ࡢᐇ㦂ᐊ࡟㢦ࢆฟࡉࢀ㸪ᐇ㦂ࢆࡋ࡚࠸ࡿ⚾ࡢഐ࡟❧ࡕ㸪Ẽᾮ஧┦ὶࡢὶࢀࢆほᐹࡉࢀ㸪ࠕ◊✲࡟㝿ࡋ࡚኱஦࡞ࡇ࡜ࡣ㸪⌧㇟ࢆ⮬ศࡢ┠࡛ࡋࡗ࠿ࡾほᐹࡋ㸪ࡑࡢ୰࠿ࡽ≀⌮ࢆ⪃ᐹࡋ㸪ㅬ⹫࡟⮬↛ࢆ⌮ゎࡍࡿࡇ࡜࡛࠶ࡿࠖ
࡜ᖖࠎゝࢃࢀ࡚࠾ࡽࢀࡲࡋࡓ㸬ࡲࡓ㸪ᐇ㦂ࢹ࣮ࢱࢆྲྀࡿࡇ࡜ࡢ኱ษࡉࢆᏛ⏕࡟ㄭࠎ࡜ᩍ࠼࡚ࡇࡽࢀ
ࡲࡋࡓ㸬ࡉࡽ࡟㸪⮬↛⌧㇟ࡢ⧊ࡾ࡞ࡍ⨾ࡋࡉࢆぢ࡚ࠕྩ࠸̿㸪⨾ࡋ࠸ࡶࡢࡣᮏᙜ࡟⣲ᬕࡽࡋ࠸ࠖ࡜
ཱྀⒷࡢࡼ࠺࡟ゝࢃࢀ࡚࠸ࡓࡢࢆ௒࡛ࡶᛮ࠸ฟࡋࡲ
ࡍ㸬ࡇࡢゝⴥࡇࡑ㸪ᒱ⨾ඛ⏕ࡢᏛၥࢆࡍࡿୖ࡛ࡢ
ဴᏛ࠶ࡿ࠸ࡣಙᛕ࡟ࡶ㏻ࡎࡿᇶᮏⓗ࡞ጼໃ࡛࠶ࡗ
ࡓ࡜ᛮ࠸ࡲࡍ㸬ᚋ࡟ᒱ⨾ඛ⏕ࡀᯇỤ㧗ᑓᰯ㛗࡜ࡋ࡚㌿ฟࡉࢀࡓᚋ࡟ᯇỤ㧗ᑓ◊✲⣖せ࡟࠾᭩ࡁ࡟࡞
ࡗࡓㄽᩥࠕᯖⲡᏊ࡜ᚐ↛ⲡ࡟࠾ࡅࡿ⮬↛ࠖ㸦ᖹᡂ 5
ᖺ 3 ᭶㸧ࡢ୰࡛ࡶ㸪ࡑࡢ᭩ࡁฟࡋ࡟ࠕᯖⲡᏊ࡜ᚐ
↛ⲡ࡟᭩࠿ࢀ࡚࠸ࡿ⮬↛࡟ࡘ࠸࡚㸪⮬↛ࢆぢࡘࡵࡿࠕࡵࠖࡸ⮬↛࡟ᑐࡍࡿࠕࡇࡇࢁࠖࢆᾋࡁ᙮ࡾ࡟
ࡋࡘࡘ㸪⪃ᐹࢆヨࡳࡼ࠺࡜ࡍࡿࡶࡢ࡛࠶ࡿ㸬ࠖ࡜࠾᭩ࡁ࡟࡞ࡗ࡚࠸ࡲࡍ㸬⛉Ꮫࡍࡿ⪅ࡢ኱ษ࡞ᚰᵓ
࠼࡜ࡋ࡚㸪ᒱ⨾ඛ⏕࠿ࡽ㡬࠸ࡓ㈗㔜࡞࠾ᩍ࠼࡜ᛮ
࠸㸪௒ࡶᚰ࡟኱ษ࡟ࡋࡲࡗ࡚࠸ࡲࡍ㸬 ᒱ⨾ඛ⏕ࡣ኱ኚ኱ࡽ࠿࡞ᛶ᱁ࡢඛ⏕࡛ࡋࡓ㸬⚾ࡀຓᩍᤵ᫬௦࡟㸪ඛ⏕ࡀᩥ㒊┬⛉Ꮫ◊✲㈝⿵ຓ㔠࢚ࢿࣝࢠ࣮≉ู◊✲ࡢ୰ࡢࠕ⇕࢚ࢿࣝࢠ࣮ࡢ㧗ຠ⋡฼⏝࡟㛵ࡍࡿ◊✲㸦⥲ᣓ⌜㸧ࠖ㸦1984㹼1986㸧ࡢ௦⾲ࢆࡉࢀ࡚࠾ࡽࢀࡓ㛵ಀ࠿ࡽ㸪すᕝවᗣඛ⏕㸪᳃ᗣኵඛ⏕㸪⏥⸨ዲ㑻ඛ⏕➼ࠎࡢ኱ඛ⏕᪉ࡸ㸪ࡑࡢᚋᮏ఍ࡢ఍㛗ࢆṔ௵ࡉࢀࡓඛ⏕᪉ከᩘࡀཧຍࡉ
ࢀࡓྜྠウㄽ఍ࡸ◊✲Ⓨ⾲఍㸪ࡑࡋ࡚ࡑࡢᚋࡢ᠓
ぶ఍㸪ࡉࡽ࡟ࡣ⾤୰࡟ฟ࡚ࡢ㣧ࡳ఍➼ࠎࡢ఍ሙࡸ
ࢫࢣࢪ࣮ࣗࣝ࡞࡝ࢆ⚾ࡢᛮ࠸࡛຾ᡭ࡟タᐃࡉࡏ࡚㡬࠸࡚࠸ࡲࡋࡓࡀ㸪ᒱ⨾ඛ⏕࠿ࡽ୍ゝࡶὀᩥࢆ௜
ࡅࡽࢀࡿࡇ࡜ࡣ࠶ࡾࡲࡏࢇ࡛ࡋࡓ㸬ඛ⏕࡟ࡣ኱ኚኻ♩࡞ゝ࠸᪉࡟࡞ࡾࡲࡍࡀ㸪ୗ࡟࠸ࡿ⪅࡜ࡋ࡚ࡣࡇࡢୖ࡞ࡃࡸࡾ᫆࠸ඛ⏕࡛ࡋࡓ㸬ࡇࢀࡶ㸪ࡲࡉ࡟ఏ⇕ 2021 ᖺ 10 ᭶ࠕ⡿ᑑ⚃࠸ࡢ఍࡛ࠖᣵᣜࡉࢀࡿᒱ⨾ඛ⏕-3-

J. HTSJ, Vol. 60, No. 253

㏣᝚

ࠗ↓㢟࠘
                 ᒱ⨾ ᱁ࠕ࠾ྡ๓㸪ఱ࡜㸪࠾ㄞࡳࡍࡿࡢ࡛ࡋࡻ࠺࠿㸪࣑࢟ࡉࢇ࡛ᐅࡋ࠸ࡢ࡛ࡋࡻ࠺࠿㸪ࠖࠕㆭᒱࡢ࢟㸪⨾⃰ࡢ࣑࡛ࡍ࠿ࡽ㸪ࡓࡋ࠿࡟㸬࡛ࡶ㸪ᒱࡣ࣑࣡࢝ࣞࢳࡢ࣑ࢳ㸪⨾ࡣ࢘ࢶࢡࢩ࢖࡛ࡍ࠿ࡽ
ࣚࢩ㸬ࡑࢀ࡛࣑ࢳࣚࢩ࡜ゝ࠸ࡲࡍ㸬ࠖࠕࡴࡘ࠿ࡋ࠸࡛ࡍࡡ㸬࠿ࢇࡓࢇ࡟ࡣㄞࡵࡲࡏࢇࡡ㸬ࠖࠕࣁ࢖㸬⚾ࡣྡ่࡟㸪࣑ࢳࣚࢩ࡜௬ྡ࡙ࡅࡋࡲࡋ
ࡓ㸬ࡑ࠺ゝ࠼ࡤ㸪⚾ࡢ᭮♽∗ࡣ㸪㏞Ꮚᮐ࡟௬ྡ࡙
ࡅࡋ࡚࠸ࡓࡑ࠺࡛ࡍ㸬ࠖ௒ࡶࡑࡢ㏞Ꮚᮐࡀṧࡗ࡚࠸ࡿࡀ㸪ࡑࢀ࡟ࡣ㸪ி㒔ᗓᒣᇛᅧឡ᏾㒆኱ᐑᮧᘨⓒ୐␒ᡞ ᒱ⨾ ᐿ࡜㸪ࡶ࠺୍ࡘ࡟ࡣ ᗓ♫௒ᐑ⚄♫๓ ᮾഃ㯮㛛㑰Ꮿ࡜ቚ᭩㸪஧ࡘࡢ⿄ࢆ⣣࡛ࡘ࡞ࡂ㔜ࡡྜࢃࡏ㸪㤳࠿ࡽ࠿ࡅࡿࡼ࠺࡟࡞ࡗ࡚࠸ࡿ㸬୰࡟ࡣ࠾Ᏺࡾࡀ」ᩘ
య࠾ࡉࡵ࡚࠶ࡿ㸬᫇࠿ࡽఱᅇ࡜࡞ࡃ㸪⧞㏉ࡉࢀ࡚ࡁࡓ఍ヰ࡛࠶ࡿ㸬࣮࣐ࣟᏐ࡛ࡣ Michiyoshi ࡛࠶ࡿ㸬
͆Advances in
Heat Transfer͇ ࡢⴭ⪅ྡ⣴ᘬ࡟ࡣ㸪Michiyoski ࡜࡞ࡗ࡚࠸ࡓ㸬ࣟࢩ࢔ேࡢࡼ࠺࡛࠶ࡿ㸬᫇ ୰Ꮫᰯࡢᩍ⦎ࡢᩍᐁࡣ㸪࣑ࢳࣚࢩࡢࢳࢆⓎ㡢ࡋ࡞࠸࡛ࠕ࣑
ࣚࢩࠖ࡜⚾ࢆࡼࢇ࡛࠸࡚㸪༞ᴗࡍࡿࡲ࡛ኚ࠼࡞࠿
ࡗࡓ㸬࢟ࢵࢺࡑࢀࡀṇࡋ࠸ࢇࡔ࡜ᛮࡗ࡚࠸ࡓࡢ࡛
࠶ࢁ࠺㸬㸦ཎᩥࡢࡲࡲ㸧 ̿௨ୗ┬␎̿ࠕᒱ⨾ඛ⏕ࢆᅖࡴ఍ࠖ
㸦2019.11㸧ࡽ⚃⚟ࡉࢀ࡚ࡁࡲࡋࡓ㸬ᒱ⨾ඛ⏕ࢆᅖࡴ㞟ࡲࡾ࡛ࡣఱ᫬ࡶỴࡲࡗ࡚ࡑࡢ఍ྜࡢ⥾ࡵࡃࡃࡾ࡟㸪ඛ⏕ࢆᅖࢇ࡛ฟᖍ⪅඲ဨࡀ㍯࡟࡞ࡗ࡚ཧຍࡋ㸪ᒱ⨾㡢㢌࡞ࡿ㋀ࡾࢆ㋀ࡿࡢࡀᜏ౛࡛ࡋࡓ㸬ࡑ࠺ࡋࡓඛ⏕ࡢẼྲྀࡽ࡞࠸୍㠃ࡶ༞ᴗ⏕࡟ះࢃࢀࡿ⌮⏤࡛࠶ࡗࡓ࠿ࡶ▱ࢀࡲࡏࢇ㸬ᐇ㝿࡟㸪࡯ࡰẖᖺࡢᜏ౛⾜஦࡜ࡋ࡚༞ᴗ⏕ࡢ᭷ᚿ㸦ⓙᖖ㐃࡛ࡍࡀ㸧ࡀ㞟ࡲࡾ㸪ᒱ⨾ඛ⏕ࢆᅖࢇ࡛ࡢ㣧ࡳ఍ࡀ㬞ᕝࡢ␁ࡢᩱீ࡛ᣢࡓࢀ࡚ࡁࡲࡋࡓ㸬ᒱ⨾ඛ⏕ࡣ㸪ᖺࠎᖌᘵ㛫ࡢᖺࡢᕪࢆឤࡌࡉࡏ࡞࠸
ࡼ࠺࡞㢼ㇺ࡟࡞ࡗ࡚ࡃࡿᩍ࠼Ꮚ㐩࡜ᴦࡋࡑ࠺࡟࠾
㓇ࢆ㓃ࡳ஺ࢃࡋ㸪㞧ㄯࢆᴦࡋࢇ࡛࠾ࡽࢀࡲࡋࡓ㸬᫖ᖺࡣࢥࣟࢼ⚝࡛ඛ⏕ࢆᅖࡴ఍ࡣ୰Ṇ࡜࡞ࡾ㸪௦ࢃࡾ࡟᫇ࡢᏛ⏕᫬௦ࢆ᣺ࡾ㏉ࡗࡓ᝿࠸ฟࡢᩥ㞟ࢆసࡾᒱ⨾ඛ⏕࡟ㅽ࿊ࡍࡿ஦࡟࡞ࡾࡲࡋࡓ㸬ᒱ⨾ඛ⏕ࡣࡑࢀࢆᴦࡋࡑ࠺࡟࠾ㄞࡳ࡟࡞ࡗ࡚࠸ࡓ࡜ᚋ᪥
࠾⪺ࡁࡋࡲࡋࡓ㸬ࡇࡢᩥ㞟ࡀᒱ⨾ඛ⏕࡜ࡢ஺ὶࡢ
᭱ᚋ࡟࡞ࡗ࡚ࡋࡲࡗࡓࡇ࡜ࡣࡇࡢୖ࡞ࡃᐢࡋ࠸ࡇ
࡜࡛ࡍ㸬ࡋ࠿ࡋ㸪ࡇࡢᩥ㞟࡟ࡣᒱ⨾ඛ⏕ࡈ⮬㌟ࡶ
୍ᩥࢆ࠾᭩ࡁ࡟࡞ࡗ࡚࠾ࡾ㸪ࡑࡇ࡟ࡣᒱ⨾ඛ⏕ࡽࡋ࠸㸪ࡉࡽࡾ࡜ࡋࡓ⣲ᮔ࡞࣮ࣘࣔ࢔ࡀྵࡲࢀ࡚࠸
ࡲࡍ㸬୍㒊ࢆࡈ⤂௓࠸ࡓࡋࡲࡍ㸬ఏ⇕ 2021 ᖺ 10 ᭶ᨵࡵ࡚㸪ᒱ⨾ඛ⏕ࡢ㛗ᖺࡢࡈᣦᑟ࡟ᑐࡋ῝ࡃឤㅰ⏦ࡋୖࡆࡲࡍ࡜࡜ࡶ࡟㸪ᚰࡼࡾࡈෞ⚟ࢆ࠾♳ࡾ⏦ࡋୖࡆࡲࡍ㸬㸦ὀ㸧ᒱ⨾ඛ⏕ࡀ࠾᭩ࡁ࡟࡞ࡗࡓㄽᩥࠕᯖⲡᏊ࡜ᚐ
↛ⲡ࡟࠾ࡅࡿ⮬↛ࠖ㸦඲ᩥ㸧ࡣி㒔኱ᏛᶵᲔ⣔ྠ❆఍ࠕிᶵ఍ࠖࡢ᭶หࢽ࣮ࣗࢫࣞࢱ࣮ிᶵ▷ಙ≉ูྕ No.359 ࡛ࡈぴ㡬ࡅࡲࡍ.
https://keikikai.jp/wp-content/uploads/2021/09/tanshin_no359.pdf-4-

J. HTSJ, Vol. 60, No. 253

㏣᝚ᒱ⨾ ᱁ඛ⏕ࡢࡈ㏽ཤ࡟ᐤࡏ࡚
To the Memory of Professor Itaru Michiyoshiᑠ⃝ Ᏺ㸦㛵す኱Ꮫྡ㄃ᩍᤵ㸧
Mamoru OZAWA (Kansai University, Professor Emeritus)
e-mail: ozawa@kansai-u.ac.jp
 ࡉࡿ 6 ᭶ 12 ᪥㸪ᒱ⨾◊ OB ࡢⱂ⃝᫛♧ࡉࢇ࠿ࡽⴭ⪅ࡢࢫ࣐࣮ࢺࣇ࢛ࣥ࡟ஂࡋࡪࡾ࡟ࢩ࣮ࣙࢺ࣓࣮
ࣝࡀධࡗࡓ㸬ᒱ⨾᱁ඛ⏕ࡀ 6 ᭶ 7 ᪥࡟ᛴ㏽ࡉࢀࡓ
࡜࠸࠺ෆᐜ࡛࠶ࡗࡓ㸬ᶵᲔᏛ఍㛵すᨭ㒊ࡢၟ㆟ဨ఍࡟ࡶఏ⇕Ꮫ఍㛵すᨭ㒊ࡢ⥲఍㸪ㅮ₇ウㄽ఍࡟ࡶࡇࡇᩘᖺ࠾ぢ࠼࡟࡞ࡽ࡞࠿ࡗࡓࡼ࠺࡟ᛮ࠺㸬ࡑࡇࡑࡇࡢ࠾ᖺࡔ࠿ࡽி㒔࡛ࡢ㛤ദ࡞ࡽ࠸ࡊ▱ࡽࡎ㸪኱㜰ࡸ⚄ᡞ࡛ࡢ఍ྜ࡬ࡢࡈฟᖍࡣ↓⌮࡞ࡢ࠿ࡶࡋ
ࢀ࡞࠸࡜㸪᪥ࡈࢁࡢ㞧ົ࡟࠿ࡲࡅ࡚࡜ࡃ࡟ព㆑ࡶ
ࡋ࡚࠸࡞࠿ࡗࡓࡢࡣ஦ᐇ࡛࠶ࡿ㸬ᒱ⨾ඛ⏕ࡢ࡝ࡇ࠿࢘࢖ࢵࢺ࡟ᐩࢇࡔࢥ࣓ࣥࢺࡸ⤯࠼ࡎࢽࢥࢽࢥࡉ
ࢀ࡚࠸ࡓඛ⏕ࡢ➗㢦ࢆᛮ࠸ฟࡋ㸪ࡶ࠺࠾఍࠸ࡍࡿ
ࡇ࡜ࡶࢥ࣓ࣥࢺࢆ࠾⪺ࡁࡍࡿࡇ࡜ࡶ࡛ࡁ࡞࠸ᐢࡋ
ࡉࢆឤࡐࡊࡿࢆ࠼࡞࠸㸬 ᒱ⨾ඛ⏕ࡢࡈ␎Ṕࡸඛ⏕ࡢࡈά㌍ࡢヲ⣽ࡣⱂ⃝
ࡉࢇࡢ㏣᝚ᩥࢆࡈぴ࠸ࡓࡔࡃ࡜ࡋ࡚㸪ⴭ⪅ࡣᒱ⨾◊࡛ࡶி኱ฟ㌟࡛ࡶ࡞࠸እ㒊ࡢ୍ே࡜ࡋ࡚㸪ᒱ⨾ඛ⏕࡟㛵ࢃࡿᛮ࠸ฟ࡞࡝ࢆ᭩࠿ࡏ࡚࠸ࡓࡔࡁ㸪ඛ⏕࡟ᑐࡍࡿ㏣᝚ᩥ࡜ࡋࡓ࠸.
 ⴭ⪅ࡀᒱ⨾ඛ⏕ࢆึࡵ࡚ㄆ㆑ࡋࡓࡢࡣ 1974 ᖺࡢᅜ㝿ఏ⇕࡛㸪㜰኱▼㇂◊ࡢ D1 ࡢ᫬࡛࠶ࡗࡓ㸬ࡓࡋ࠿㯜⏫఍㤋࡛ࡣ࡞࠿ࡗࡓ࠿࡜ᛮ࠺ࡀ㸪ྠࡌ࡜ࡇࢁ࡟ᐟἩࡋ࡚࠸ࡓ㸬ᅜ㝿ఏ⇕఍㆟㸦IHTC㸧ࡣ⤒ᅋ㐃఍㤋࡛㛤ദࡉࢀ㸪ⴭ⪅࡟࡜ࡗ࡚ࡶึࡵ࡚ࡢᅜ
㝿఍㆟ฟᖍ࡛࠶ࡗࡓ㸬ᾏእ࠿ࡽⴭྡ࡞◊✲⪅㸪኱Ꮫᩍᤵ࡞࡝኱ໃࡢேࡀཧຍࡋ㸪ᅜෆ࠿ࡽࡶఏ⇕㛵ಀ⪅⥲ฟࡢࡼ࠺࡞≧ἣ࡛࠶ࡗࡓ㸬࠶ࢀࡀ Zuber, ࠶ࢀࡀ Styrikovich ࠿㸪Collier ࠿࡜࠸ࡗࡓࡲࡉࡋࡃ࠾
ୖࡾࡉࢇ࡛࠶ࡗࡓ࡜グ᠈ࡍࡿ㸬ⴭ⪅ࡢᡤᒓࡋ࡚࠸
ࡓ▼㇂◊㸪ฟ㌟◊࡛࠶ࡿ㉥ᕝ◊࠿ࡽࡶࡑࢀࡒࢀㄽ
ᩥࡀ᥇ᢥࡉࢀ࡚࠸ࡓ㸬Ἓ㦐஧┦ὶࡸࣉ࣮ࣝἛ㦐㛵㐃ࡢⓎ⾲࡛࠶ࡗࡓ㸬ࡇࡢ IHTC ࡛ࡣᚋ࡟ఏ⇕ࢩ࣏ࣥࢪ࣒࡛࢘ࡶ᥇⏝ࡉࢀࡓ࢖ࣥࣇ࢛࣮࣐࣑࣮ࣝࢸ࢕
ࣥࢢࡢࢭࢵࢩࣙࣥࡀ࠸ࡃࡘ࠿࠶ࡾ㸪ࡑࡢෆࡢ୍ࡘ
ࡀẼᾮ஧┦ὶ㛵㐃࡛࠶ࡗࡓࡼ࠺࡟ᛮ࠺㸬ࡑࡇ࡛⚄ᡞ኱Ꮫ᫬௦ࡢᖌ໶㉥ᕝᾈ∞ඛ⏕ࡶᒱ⨾᱁ඛ⏕ࡶⓎఏ⇕ 2021 ᖺ 10 ᭶⾲ࢆࡉࢀࡓ㸬ෆᐜࡣṧᛕ࡞ࡀࡽ඲ࡃグ᠈࡟࡞࠸㸬グ᠈࡟࠶ࡿࡢࡣ㸪Ⓨ⾲ࡀ⤊ࢃࡗ࡚࠸ࡓࡢ࠿ࡲࡔࡔ
ࡗࡓࡢ࠿ࡣᐃ࠿࡛ࡣ࡞࠸ࡀ㸪ヰࡢษࢀ┠࡟⤊஢ྜᅗࡢ࣋ࣝࡀࢳࣥ࡜࡞ࡗࡓࡶࡢࡔ࠿ࡽᒱ⨾ඛ⏕ࡣࡍ࠿ࡉࡎ“Thank you”࡜ヰࢆ⤊࠼ࡽࢀࡓࡇ࡜ࡔࡅ࡛
࠶ࡿ㸬᫬㛫ࡀ㉸㐣ࡋ࡚ࡶࡋࡤࡽࡃヰࢆ⥆ࡅࡿሙྜࡀከ࠸୰㸪㐪࿴ឤ࡞ࡃぢ஦࡟᫬㛫㏻ࡾ࡟⤊ࢃࡽࢀࡓࡢࢆ┠ࡢᙜࡓࡾ࡟ࡋ࡚㸪ࡉࡍࡀ೧࠸ඛ⏕ࡣ㐪࠺࡞࡜ឤᚰࡋࡓࡶࡢ࡛࠶ࡿ㸬ⴭ⪅ࡣ㸪ㅮ₇࡜ࡣ࠿ࡃ
࠶ࡿ࡭ࡋ࡜⫹࡟㖭ࡌࡓࡀ㸪㖭ࡌࡓࡣࡎࡢ⫹ࡀ࠸ࡲࡸ⾜᪉୙࡛᫂࠶ࡿ㸬 ࡑࢀ௨㝆㸪ᶵᲔᏛ఍㛵すᨭ㒊ࡢㅮ₇఍㸪ఏ⇕ࢩ࣏ࣥࢪ࣒࢘㸪ఏ⇕㛵す࡛ࡢ఍ྜࡸ᠓ぶ఍࡞࡝࡛ᒱ
⨾ඛ⏕࡟ࡣぶࡋࡃ࠾ヰࢆࡉࡏ࡚࠸ࡓࡔ࠸ࡓ㸬ⴭ⪅ࡣ㜰኱࡛ຓᡭࢆࡸࡗ࡚࠸ࡓ 1979 ᖺ㡭㸪▼㇂ඛ⏕ࡢ࠾ᡭఏ࠸࡜ࡋ࡚㸪➨ 1 ᅇ┠ࡢ᪥⡿ࢭ࣑ࢼ࣮ TwoPhase Flow Dynamics ࡢ஦ົᒁࢆᢸᙜࡋࡓ㸬ᾏእ࠿ࡽ௒ࡣஸࡁ A. E. Bergles, J. Weisman, S. G. Bankoff,ࡉࡽ࡟ࡣ R. T. Lahey, Jr., O. C. Jones, G. Yadigaroglu
࡞࡝㸪Weisman, Bankoff ࡢ࠾஧ேࡣู࡜ࡋ࡚㸪ᙜ
᫬ࡲࡔ 40 ṓ௦࡛άⓎ࡟◊✲άືࢆ⾜ࡗ࡚࠸ࡓ᪉ࠎࡀཧຍࡋࡓ㸬ᐇ㝿㸪Bergles ࡉࢇࡣᚋ࡟ ASME
ࡢ఍㛗ࡶົࡵࡓ㸬ᑡࠎ୙㩭࡛᫂࠶ࡿࡀ෗┿㸯ࡣࡑࡢ᫬ࡢグᛕ෗┿࡛࠶ࡿ㸬෗┿ࡢୗ࡟ᙜ᫬సᡂࡋࡓ
ேࡢ㓄⨨ࢆ♧ࡋ࡚࠸ࡿ㸬ᒱ⨾ඛ⏕ࡣ Weisman ኵጔࡢࡍࡄᚋࢁ࡟❧ࡗ࡚࠾ࡽࢀࡿ㸬 ྠࡌ᪥⡿ࢭ࣑ࢼ࣮ࡢ➨ 3 ᅇ┠ࡀ⍇⍈†࣍ࢸ࡛ࣝᒱ⨾ඛ⏕࡜ O. C. Jones ࡉࢇࡀ࣮࢜࢞ࢼ࢖ࢨ࣮࡜࡞
ࡗ࡚ 1988 ᖺ 7 ᭶࡟㛤ദࡉࢀࡓ㸦෗┿㸰㸧㸬ⴭ⪅ࡣ
➨ 1 ᅇ㸪➨ 2 ᅇ㸦⡿ᅜ㛤ദ㸧࡛ࡣ஦ົᒁࢆົࡵࡓ
ࡀ㸪ࡇࡢ࡜ࡁ࡟ࡣᒱ⨾ඛ⏕ࡸ஦ົ୓➃ࢆᢸᙜࡉࢀ
ࡓⱂ⃝ࡉࢇࡢࡈ㓄៖࡛ㅮ₇ࢆࡉࡏ࡚࠸ࡓࡔ࠸ࡓ㸬33 ᖺࡶ๓ࡢࡇ࡜࡛࠶ࡿ㸬 ᒱ⨾ඛ⏕࡟ࡣ▼㇂࣭㉥ᕝ୧ᖌ໶ࡢ௻⏬ࡍࡿ஦ᴗ࡟✚ᴟⓗ࡟༠ຊࡋ࡚࠸ࡓࡔ࠸ࡓ㸬1982 ᖺ࡟Ꮫ⾡఍㆟Ỉ⌮ᏛỈຊᏛ◊✲㐃⤡ጤဨ఍ࡢࡶ࡜࡟ΰ┦ὶᑠ-5-

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㏣᝚෗┿ 1 ➨ 1 ᅇ஧┦ὶࡢࢲ࢖ࢼ࣑ࢡࢫ࡟㛵ࡍࡿ᪥⡿ࢭ࣑ࢼ࣮
㸦1979 ᖺ㛵すᆅ༊኱Ꮫࢭ࣑ࢼ࣮ࣁ࢘ࢫ  ᡭ᭩ࡁࡢᅗࡣ෗┿࡜ࡢᑐᛂ㛵ಀ࡛ᙜ᫬ࡢࡶࡢ㸧෗┿ 2 ➨ 3 ᅇ஧┦ὶࡢࢲ࢖ࢼ࣑ࢡࢫ࡟㛵ࡍࡿ᪥⡿ࢭ࣑ࢼ࣮㸦1987 ᖺ㸪⍇⍈†࣍ࢸࣝ࡟࡚㛤ദ㸬ᒱ⨾ඛ⏕ࡣబ⸨Ὀ⏕ඛ⏕㸦⇃኱㸧ࡢᚋࢁ࡟▼㇂ඛ⏕࡜୪ࢇ࡛❧ࡕ㸪஧ேࡢ㛫࡟ G. B. Wallis ࡉࢇࡀぢ࠼ࡿ㸧ఏ⇕ 2021 ᖺ 10 ᭶

-6-

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㏣᝚఍࡞࡝࡛ࡕࡻࡗ࡜ࡋࡓ㸪ࡋ࠿ࡋ࣏࢖ࣥࢺࢆࡘ࠸ࡓ
ࢥ࣓ࣥࢺࡸ㉁ၥࢆࡉࢀࡓ㸬ᨭ㒊ࡢ㐠Ⴀୖ㸪኱࠸࡟ຓࡅࡽࢀࡓࡶࡢ࡛࠶ࡿ㸬 ⴭ⪅ࡀࡲࡔ༓㔛ᒣࡢᕤᏛ㒊࡟࠸ࡓࡇࢁ㸪ᮾி࡛ఱࡢ㞟ࡲࡾ࡛࠶ࡗࡓ࠿඲ࡃᛀࢀࡓࡀ㸪᪂ᖿ⥺࡛ⱂ⃝㸦ி㒔኱㸧
㸪୕ᓥ㸦ி㒔኱㸧㸪∦ᒸ㸦኱㜰኱㸧㸪ᑠ⃝㸦㛵኱㸧ࡀ୍⥴࡟࡞ࡾ㸪ᣢࡕ㎸ࢇࡔࣅ࣮ࣝ∦ᡭ࡟ி㒔ࡲ࡛ఱ࠿࡜㆟ㄽࡋࡓ㸬ఱࡢࡇ࡜ࡣ࡞࠸㸪ᒱ⨾୍㛛࡜▼㇂୍㛛ࡢ㞟఍࡛࠶ࡗࡓ㸬ㄡ࡜ࡣ࡞ࡋ࡟㸪᭱㏆ࡢᏛ఍࡛Ꮫ⏕ࡀㅮ₇ࢆࡋ࡚ࡶࡋࡗ࠿ࡾࡋࡓ㆟ㄽࢆࡋࡼ࠺࡜ࡍࡿ࡜㸪Ꮫ⏕ࢆ࠸ࡌࡵࡿࡳࡓ࠸ࡔࡋ㸪⤖ᯝⓗ࡟ぶ᪉ࡀฟ࡚ࡁ࡚᫬㛫ษࢀ࡟࡞ࡿ㸬ࡇࢀࡌࡷ࠸ࡘࡲ࡛ࡓࡗ࡚ࡶᏛ⏕࡟࡜ࡗ࡚ࡣカ⦎࡟࡞ࡽ࡞
࠸㸬ࡑࡇ࡛Ꮫ⏕࡟ࡋࡗ࠿ࡾヰࢆࡉࡏᚭᗏⓗ࡟㆟ㄽࢆࡍࡿ㸪Ꮫ⏕࡟࡜ࡗ࡚㠀ᖖ࡟⥭ᙇࡍࡿᶵ఍ࢆసࢁ
࠺࡜࠸࠺ࡇ࡜࡛᪩ࠎ࡟ヰࡀࡲ࡜ࡲࡾ㸪኱㜰㸫ி㒔㸫㛵す࡛ OKK ࡢ఍࡞ࡿࡶࡢࢆ࡛ࡗࡕ࠶ࡆ㸪㸱኱Ꮫᣢࡕᅇࡾ࡛ఱᗘࡶࡸࡗࡓ㸬Ꮫ⏕࡟ࡣࠕ࠸ࡌࡵࡿ
఍ࠖ࡟ᛮ࠼ࡓࡼ࠺࡛㸪㏻ᖖࡢᏛ఍ࡼࡾ࠿࡞ࡾ⥭ᙇࡍࡿ࡜ࡢホุࡉ࠼❧ࡗࡓ㸬ࡇࡢࡼ࠺࡞࠸ࢃࡤ◊✲ᐊ㛫ࡢ⚾ⓗ࡞఍ྜ࡟ࡶᒱ⨾ඛ⏕ࡣฟᖍࡉࢀ࡚࠸ࡓ㸬ⱝ࠸ேࡓࡕࡀ⮬⏤࡟㆟ㄽࢆࡋ㸪఍ࡀ┒ࡾୖࡀࡿࡢࢆᶓ࡛ぢ࡞ࡀࡽᴦࡋࢇ࡛࠾ࡽࢀࡓࡼ࠺࡟ᛮ࠺㸬 బ⸨㸪ᒱ⨾࡞࡝ࡢඛ⏕᪉ࡢྡ๓ࢆࡔࡋ࡚ࡶⱝ࠸
ఏ⇕ㅖẶ࡟ࡣ࡯࡜ࢇ࡝ᐇឤࡀ࡞࠸࡛ࡋࡻ࠺ࡡ㸬ⴭ⪅ࡶࡍ࡛࡟ྂᕼࢆ㐣ࡂࡓࡀ㸪ⱝ࠸ேࡓࡕࡀ⇕ᚰ࡟㆟ㄽࡋ࡚࠸ࡿࡉࡲࢆࢽࢥࢽࢥ࡜ࡋ࡚═ࡵ࡞ࡀࡽ㸪᫬࡟ᒱ⨾ඛ⏕ࡢࡼ࠺࡟ඛࢆぢ㏻ࡋࡓࢥ࣓ࣥࢺࡀฟ
ࡏࡿࡼ࠺࡟ࡣ࡞ࡗ࡚࠸࡞࠸㸬᪥ࡈࢁࡢ୙ຮᙉࡢࡏ
࠸࡞ࡢ࠿㸪⫱ࡕࡀᝏ࠿ࡗࡓࡢ࠿ࡣ࡜ࡶ࠿ࡃ㸪᝟ࡅ࡞࠸≧ἣ࡞ࡢࡔ࡜௒ᨵࡵ࡚⮬ᡄࡍࡿḟ➨࡛࠶ࡿ㸬 ᒱ⨾᱁ඛ⏕㸪ᮏᙜ࡟㛗࠸㛫࠾ୡヰ࡟࡞ࡾ㸪࠶ࡾࡀ࡜࠺ࡈࡊ࠸ࡲࡋࡓ㸬ᚰ࠿ࡽࡈෞ⚟ࢆ࠾♳ࡾ࠸ࡓࡋࡲࡍ㸬ጤဨ఍ࡀ⤌⧊ࡉࢀ㸪௨㝆㸪ΰ┦ὶࢩ࣏ࣥࢪ࣒࢘ࢆ
6 ᅇ࡯࡝㛤ദࡋࡓࡀ㸪ᒱ⨾ඛ⏕ࡣẖᅇࡢጤဨ఍࡟
ฟᖍࡉࢀ㸪஦ᴗ᥎㐍ࡢຊᙉ࠸࿡᪉࡛࠶ࡗࡓ㸬࡞࠾ጤဨ఍ࡣ㸪ᒱ⨾ඛ⏕ࡢ࡯࠿࡟ጤဨ㛗ࡢ㉥ᕝ㸪Ⓨ᱌⪅ࡢ▼㇂࠾ࡼࡧ᳜⏣㎮ὒ㸪ୡཱྀྂゝᙪ㸪ຍ⸨ὒ἞㸪ᩪ⸨Ꮥᇶ㸪すᕝවᗣ㸪ᕝᓥಇኵ㸪ᓊຊ㸪୰ᕝ༤ḟ㸪᳃ᕝᩗಙ㸪᪥㔝ᖿኵ㸪⋢஭ಙ⾜㸪㇏಴ᐩኴ㑻㸪ᮧୖගΎ㸪ᚿᮧ༤ᗣ㸪ᒣᮏග⏨㸪୰す㔜ᗣࡢྛඛ⏕᪉㸦㡰୙ྠ㸧࡟ࡼࡗ࡚ᵓᡂࡉࢀ㸪ΰ┦ὶࢩ࣏ࣥࢪ
࣒࢘㛤ദ࡟ከ኱࡞ࡈ༠ຊࢆ㡬࠸ࡓ㸬࠸ࡘࡶ࿴ࡸ࠿
࡞఍ྜ࡛㸪஦ົᒁࢆົࡵ࡚࠸࡚Ẽᣢࡕࡢ࠸࠸ጤဨ
఍࡛࠶ࡗࡓ㸬ẖᅇࡢࢩ࣏ࣥࢪ࣒࢘௻⏬࡟࠾࠸࡚㸪ጤဨࡢඛ⏕᪉࡟ࡣ✚ᴟⓗ࡟ㅮᖌࡢ㑅ᐃࢆ⾜ࡗ࡚࠸ࡓࡔࡁ㸪ሙྜ࡟ࡼࡗ࡚ࡣ⮬ࡽㅮ₇ࢆ࠸ࡓࡔ࠸ࡓ㸬ࡇࢀࡽࡢጤဨࡢඛ⏕᪉ࡢ༠ຊయไࡀΰ┦ὶᏛ఍タ❧࡟኱ࡁࡃᐤ୚ࡋࡓ࡜ᛮࡗ࡚࠸ࡿ㸬 ࡩ࡜Ẽ࡟࡞ࡗ࡚ 1977 ᖺห⾜ࡢᶵᲔᏛ఍஧┦ὶࡢࢲ࢖ࢼ࣑ࢵࢡࢫ࡟㛵ࡍࡿ◊✲ศ⛉఍⦅ࠗẼᾮ஧┦ὶࡢࢲ࢖ࢼ࣑ࢡࢫ࡟㛵ࡍࡿ◊✲࠘ࡢጤဨྡ⡙ࢆな࠸࡚ࡳࡓࡽ㸪࡞ࢇ࡜ᒱ⨾ඛ⏕ࡶጤဨ࡛࠶ࡗࡓࡋ㸪బ⸨ಇඛ⏕ࡸ༡ᒣ㱟⥴ඛ⏕㸪᪤࡟࠿࡞ࡾࡢ࠾ᖺ࡛
࠶ࡗࡓ⏣అᩗ୕ඛ⏕➼㸪ከኈ῭ࠎ࡛࠶ࡗࡓࡇ࡜ࢆ
ᨵࡵ࡚ㄆ㆑ࡋࡓ㸬 ἲே໬๓ࡢఏ⇕Ꮫ఍㛵すᨭ㒊ࡢ⥲఍࡛㸪ⴭ⪅ࡀᖖ௵ᖿ஦ࢆົࡵ࡚࠸ࡓ᫬ࡔࡗࡓ࡜ᛮ࠺㸬2 ᖺ࡟ 1ᗘࡢఏ⇕ࢭ࣑ࢼ࣮ࡢ 1 ᖺ┠㸦㛤ദࡋ࡞࠸ᖺ㸧࡛࠶ࡗࡓࡓࡵ㸪ᘬᙜ㔠ࢆྲྀࡾᔂࡋ㸪ࡑࢀࢆḟᖺᗘࡢࢭ࣑ࢼ࣮ࡢࡓࡵࡢ‽ഛ㔠࡜ࡋ࡚✚ࡳ❧࡚ࡿ࡜࠸࠺఍
ィሗ࿌ࢆࡋࡓ࡜ࡁ࡟㸪ᒱ⨾ඛ⏕ࡀᡭࢆ࠶ࡆࡽࢀ㸪ࠕせࡍࡿ࡟ࢭ࣑ࢼ࣮࡟㛵ࡋ࡚ࡣᘬᙜ㔠ࢆྲྀࡾᔂࡋ㸪ࡑࢀࢆᘬᙜ㔠࡜ࡋ࡚⤌ࡳ㎸ࡴ࡜࠸࠺஦ᴗࢆࡸࡿࡢ
࡛ࡍࡡࠖ࡜࠾ࡗࡋࡷࡗࡓ㸬ᙜ᪉㸪ࠕࡣ࠸ࠖ࡜ࡋ࠿⟅࠼ࡽࢀ࡞࠿ࡗࡓ㸬ࡲࡓᶵᲔᏛ఍㛵すᨭ㒊࡛ࡣⴭ⪅ࡀᖖົᖿ஦ࢆົࡵ࡚࠸ࡓ࡜ࡁ㸪ၟ㆟ဨ఍㸪ᨭ㒊⥲ఏ⇕ 2021 ᖺ 10 ᭶

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J. HTSJ, Vol. 60, No. 253

᪥ᮏఏ⇕Ꮫ఍๰❧ 60 ࿘ᖺグᛕ
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᪥ᮏఏ⇕Ꮫ఍๰❧  ࿘ᖺグᛕ஦ᴗHTSJ 60th Anniversaryᖹ஭⚽୍㑻㸦ᮾᕤ኱㸧
Shuichiro HIRAI (Tokyo Institute of Technology)
e-mail: hirai.s.aa@m.titech.ac.jp ≉ูㅮ₇ࡢㅮᖌࢆ㸪࡝࡞ࡓ࡟࠾㢪࠸ࡍࡿࡢ࠿㸽㔜㙠࡟࠾㢪࠸ࡍࡿࡢ࠿㸪ศ㔝ࡣ࡝࠺ࡍࡿࡢ࠿㸽ఏ⇕ࢩ࣏ࣥࡢࢭࢵࢩࣙࣥᵓᡂࡶ㸪ⱝ࠸㡭࡟ཧຍࡋ࡚
࠸ࡓ࡜ࡁ࡜ࡣ㸪㝶ศ࡜ኚࢃࡗ࡚ࡁ࡚࠸ࡿ㸬ఏ⇕ࡶ㸪ࠕ⇕⛣ືࡢᇶ♏⌧㇟ࡣఱ࡞ࡢ࠿㸽ࠖ࠿ࡽࠕ᭱᪂ࢹࣂ
࢖ࢫࡢ୰࡛⇕ࡔࡅ࡛࡞ࡃ≀㉁⛣ືࠖ࡜࠿㸪ࠕ࣐ࢡࣟ࡞ᘧࡔࡅ࡛ࡣᶆグ࡛ࡁ࡞࠸ఏ⇕ࠖ㸪ࠕ⬺Ⅳ⣲࡟㛵ࢃࡿఏ⇕ࠖ࡜࠿ࡀ㔜せ࡟࡞ࡗ࡚ࡁ࡚࠸ࡿࡼ࠺࡟ᛮ࠺㸬ࡉࡽ࡟㸪ࠕఏ⇕ศ㔝ࡢᑗ᮶ࢆᢸ࠺ⱝᡭ࡟ఱࢆ┠ᣦࡋ࡚㡬ࡁࡓ࠸࠿ࠖࢆ⪃࠼ࡿ࡟㸪⫱ࡗ࡚ࡁࡓ◊✲ᐊࡢࢸ࣮࣐ࢆ⥅⥆ࡋ࡚ᴟࡵࡿࡔࡅ࡛ࡣ࡞ࡃ㸪᪂ࡋࡃࠕ⮬ศࡢ᪝ࠖࢆࡓ࡚࡚ḧࡋ࠸࡜ᛮࡗ࡚࠸ࡿ㸬ࡑ࠺࠸࠺ព࿡࡛㸪᪂ࡋ࠸◊✲ศ㔝ࢆࡈ⮬㌟࡛㸪ࠕࢮࣟࠖ࠿ࡽ❧ࡕୖࡆ࡚ࡇࡽࢀࡓ᪉ࡀ≉ูㅮ₇ࡢㅮᖌ࡜ࡋ࡚
ᮃࡲࡋ࠸࡜ᛮࡗࡓ㸬ࡲࡓ㸪᫖௒࠸ࢁࢇ࡞࡜ࡇࢁ࡛౑⏝ࡉࢀࡿࠕከᵝᛶࠖࢆ⪃࠼ࡿ࡟㸪“እ”ࡢどⅬ࠿ࡽ㸪ࠕ⇕࡜࠿ὶయ࡟
࡝ࡢࡼ࠺࡟࠿࠿ࢃࡾ㸪࡝ࡢࡼ࠺࡞ྲྀ⤌ࢆࡉࢀ࡚࠸
ࡿࡢ࠿ࠖ㸪ࡀࣄࣥࢺ࡟࡞ࡿ࡜ᛮࡗࡓ㸬ࡑࡢࡼ࠺࡞ほⅬ࠿ࡽ㸪⇕ᕤᏛࢥࣥࣇ࢓ࣞࣥࢫ࡛⪺࠸ࡓᒣす㝧Ꮚඛ⏕ࡢㅮ₇ࡀ༳㇟࡟ṧࡗ࡚࠾ࡾ㸪2020 ᖺ 2 ᭶࡟⚟ᒸ࡟ఛ࠸㸪ㅮ₇ࢆ࠾㢪࠸ࡋࡓ㸬ࡶ࠺ࡦ࡜࠿ࡓࡣ㸪ⰼᮧᩍᤵ㸦ᮾᕤ኱㸪➨ 59 ᮇ఍㛗㸧࡟┦ㄯࡋ㸪ࠕ⤯ᑐ࡟࠾ࡶࡋࢁ࠸ࠖ࡜࠸࠺࠾ቚ௜
ࡁࢆࡶࡽࡗ࡚㸪ᮾ኱ࡢෆ⏣ᘓඛ⏕ࢆࡈ⤂௓㡬࠸ࡓ㸬
2020 ᖺ 1 ᭶࡟ᮾ኱࡟ఛ࠸㸪ࡈᛌㅙ࠸ࡓࡔ࠸ࡓ㸬࠾஧ேࡢඛ⏕࡟࠾㢪࠸ࡋࡓ࡜ࡁࡣ㸪ࡲࡔ㸪᪂ᆺࢥࣟࢼࡀࡣࡸࡿ┤๓࡛࠶ࡾ㸪ఏ⇕ࢩ࣏ࣥ 2 ᪥┠ࡢពぢ஺᥮఍࡟ࡶฟ࡚࠸ࡓࡔ࠸࡚㸪ఏ⇕ࡢ᪉࡜┤᥋࠾ヰࡋ㡬ࡁࡓ࠸࡜⏦ࡋୖࡆࡓࡀ㸪ࡑࡢᚋ㸪ࢥࣟࢼ⚝࡟ࡼࡾ࢜ࣥࣛ࢖ࣥ࡟࡞ࡾ㸪ࡇࢀࡽࡢࡇ࡜ࡀᯝࡓ
ࡏ࡞ࡃ࡞ࡗࡓࡇ࡜ࡀ኱ኚṧᛕ࡛࠶ࡿ㸬 ࡶ࠺୍᪉ࡢࠕูࡢ௻⏬ࠖࢆఱ࡟ࡍࡿࡢ࠿㸬2019ᖺ 12 ᭶ࡢ⌮஦఍⤊஢ᚋࡢពぢ஺᥮఍࡛㸬㧗⏣ᩍᤵ㸦஑኱㸪➨ 58 ᮇ఍㛗㸧࡜㸪ヰࢆࡋ࡚࠸ࡿ࡜㸪㸯㸬ࡣࡌࡲࡾ

2019 ᖺࡢ 2 ᭶㸪ఏ⇕Ꮫ఍ࡢ 57 ᮇάືࢆ⥲ᣓࡍࡿ఍㆟ࡀᮾி࡛⾜ࢃࢀ࡚࠸ࡓ㸬2 ᖺ㛫ࡢ⥲ົᢸᙜ๪఍㛗ࡢ௵ᮇࡶ࠶࡜ 3 ࠿᭶⛬ᗘṧࡗ࡚࠸ࡿࡔࡅ࡛
࠶ࡾ㸪⚾࡜ࡋ࡚ࡣࡸࢀࡸࢀ࡜࠸࠺ᛮ࠸࡛఍㆟࡟ཧຍࡋ࡚࠸ࡓ㸬
ࡑࡢ఍㆟ࡀ࠾࠾࠿ࡓ⤊ࢃࡾ࠿ࡅࡢࡇࢁ㸪ࠕ2 ᖺᚋ࡟Ꮫ఍ࡣ 60 ࿘ᖺࢆ㏄࠼ࡿ㸬ఱࡽ࠿ࡢ⾜஦ࢆࡍࡿᚲ
せࡀ࠶ࡿ㸬‽ഛࢆ⪃࠼ࡿ࡜㸪௒࠿ࡽᢸᙜࢆỴࡵ࡚࠾࠸ࡓ᪉ࡀ࠸࠸ࠖ࡜࠸࠺Ⓨゝࡀ࠶ࡗࡓ㸬60 ࿘ᖺ࠿㸪ࡼࡃࡑࢇ࡞ࢫࢣࢪ࣮ࣗࣝࡀ㢌࡟ධࡗ࡚࠸ࡿ࡞㸟࡜ឤᚰࡋࡘࡘ㸪௻⏬㒊఍㛗࠶ࡓࡾࡀࡋࡁࡗ࡚ࡍࡿࡢ
࡛࠶ࢁ࠺…࡜ᛮࡗ࡚࠸ࡿ࡜㸪ࡉࡁ࡯࡝ࡢⓎゝࢆࡉࢀࡓྠே࠿ࡽࠕ㏻ᖖࡢ⌮஦௨እ࡟㸪≉࿨⌮஦࡜࠸࠺ࡢࢆ௵࿨ࡍࡿࡇ࡜ࡀ࡛ࡁࡿ㸪࡜ᐃḰ࡟࠶ࡿࠖ㸬ࡑࢇ࡞ไᗘ࠶ࡗࡓࡗࡅ㸽࡜ᛮࡗ࡚࠸ࡿ࡜㸪ࠕ50 ࿘ᖺ
࡯࡝ὴᡭ࡟ࡍࡿᚲせࡣ࡞࠸ࡀ㸪≉࿨⌮஦ࡣ⥲ົᢸᙜ๪఍㛗⤒㦂⪅ࡀ࠸࠸ࠖ㸬࠶ࢀࡼ࠶ࢀࡼ࡜㸪ᖹ஭㸪࠾ࡲ࠼ࡀࡸࢀ㸪࡛Ỵࡲࡗ࡚ࡋࡲࡗࡓ[1]㸬
ᮏ✏ࡣ㸪60 ࿘ᖺグᛕ஦ᴗࢆᢸᙜࡋࡓ㢭ᮎࢆ᫬⣔ิ࡛グ㘓࡜ࡋ࡚ṧࡍࡶࡢ࡛࠶ࡿ㸬⚾⮬㌟㸪ᢸᙜࡍࡿ࡟࠶ࡓࡗ࡚㸪40 ࿘ᖺ㸪50 ࿘ᖺࡢࠕఏ⇕ࠖࡢグ஦ࢆㄞࢇࡔ㸬ḟࡢ 70 ࿘ᖺࢆᢸᙜࡍࡿ᪉ࡢᑡࡋ࡛ࡶཧ
⪃࡟࡞ࢀࡤᖾ࠸࡛࠶ࡿ㸬㸰㸬ఱࢆࡍࡿࡢ࠿㸽
10 ᖺ๓ࡢ 50 ࿘ᖺグᛕ஦ᴗࡣ㸪᫓ࡢఏ⇕ࢩ࣏ࣥ࡜ࡣู࡟㸪⛅࡟┒኱࡟ᇳࡾ⾜ࢃࢀࡓ[2]㸬40 ࿘ᖺࡣ㸪ఏ⇕ࢩ࣏ࣥ๓᪥࡟㸪⳻἟ᩍᤵ㸦໭኱㸧ࡢ⇞ᩱ㟁ụ㸪▮㒊Ặ㸦⏘⥲◊㸧ࡢࢼࣀ࣭࣐࢖ࢡࣟఏ⇕ࡢ 2 ௳ࡢ
≉ูㅮ₇఍[3]࡜㸪㐣ཤ 40 ேࡢ఍㛗ࡀ㸪ఏ⇕Ꮫ఍
ㄅ࡟ 1 ࣮࣌ࢪࡎࡘ≉ูᐤ✏ࡍࡿ௻⏬࡛࠶ࡗࡓ㸬ࡇ࠺ࡋ࡚ࡳࡿ࡜㸪㹙≉ูㅮ₇㹛㸩㹙ఱ࠿ูࡢ௻⏬㹛࡜࠸࠺ᙧ࡟࡞ࡿࡢ࠿࡞࡜ᛮࡗࡓ㸬ఏ⇕ 2021 ᖺ 10 ᭶

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J. HTSJ, Vol. 60, No. 253

᪥ᮏఏ⇕Ꮫ఍๰❧ 60 ࿘ᖺグᛕᅗ 1 ᪥ᮏఏ⇕Ꮫ఍ࡢ᪂ࡋ࠸ࣟࢦ㸪㔠ᏊᩄᏹẶࠕᏛ఍ࡢࣟࢦࢆ᪂ࡋࡃࡍࡿ࠿ࠖ㸪ࠕᏛ఍ࡢ࣐ࢫࢥࢵࢺ
࢟ࣕࣛࢆ᪂ࡋࡃࡘࡃࡿ࠿…ࠖ࡞࡝ࡢពぢࡀ࡛࡚ࡁࡓ㸬2020 ᖺ 2 ᭶⚟ᒸ࡛㸪ࡉࡽ࡟ヰࢆࡋࡓ࡜ࡁ㸪࣐ࢫࢥࢵࢺ࢟ࣕࣛࡣ㞴ࡋ࠸࠿ࡽࡸࡵࡼ࠺㸪ࣟࢦࡣࢿࢵࢺ࠿ࡽࢥࣆ࣮ࡋ࡚ࡁࡓࡶࡢ࡜࢜ࣜࢪࢼࣝ࡞ࡶࡢ
ࢆ࡝࠺༊ูࡍࡿࡢ࠿㸽࡜࠸࠺ࡇ࡜࡟࡞ࡾ㸪ࠕHࠖ
ࠕTࠖࠕSࠖ
ࠕJࠖࡢᩥᏐࢆᚲࡎ࠸ࢀࡿ᪉ྥ࡛࠸ࡇ࠺࡜Ỵࡲࡗࡓ㸬㸱㸬᪂ࡋ࠸ࠕࣟࢦࠖ
 ᪂ࡋ࠸ࣟࢦࢆເ㞟ࡍࡿࡇ࡜࡟ࡘ࠸࡚㸪఍ဨྛ఩࡟᱌ෆࢆฟࡋࡓ࡜ࡁ࡟㸪ᛂເࡋ࡚ࡃࢀࡿࡢ࠿㸽࡜࠸࠺୙Ᏻࡀ࠶ࡗࡓ㸬㈹㔠ࢆ 10 ୓෇࡟ࡋࡓࡽ㸪ࡓࡃࡉࢇᛂເࡀ࠶ࡿ࠿ࡶ࡜ᛮ࠸௻⏬㒊఍࡜⌮஦఍࡟㸪ࠕࣟࢦࢆ᪂ࡋࡃࡍࡿ௻⏬㸪㈹㔠 10 ୓෇ࠖ࡜࠾ࡑࡿ
࠾ࡑࡿฟࡋࡓ࡜ࡇࢁ㸪࠶ࡗࡉࡾㄆࡵ࡚ࡃࢀࡓ㸬 㜰኱ࡢὠᓥᩍᤵ࡟㸪60 ࿘ᖺグᛕ஦ᴗጤဨ఍ࡢᖿ
஦࡟࡞ࡗ࡚࠸ࡓࡔ࠸࡚㸪2020 ᖺ 10 ᭶࠿ࡽබເ㛤ጞ㸪12 ᭶⥾ࡵษࡾ࡟ࡋࡓ㸬12 ᭶୰᪪ࡃࡽ࠸࡟ᩘ༑
௳ࡣ㞟ࡲࡿ࠿࡜ᛮ࠸ࡁࡸ㸪ࡲࡔ㸪1 ᱆㸬ࡑࡇ࡛㸪඲ᅜࡢఏ⇕Ꮫ఍ᨭ㒊㛗࡟㸪ྛᨭ㒊ࡢ఍ဨ࡟ᛂເࡢ
່ㄏࢆฟࡋ࡚࠸ࡓࡔࡃࡼ࠺࡟࠾㢪࠸ࢆࡋࡓ㸬ࡋ࠿ࡋ㸪⥾ࡵษࡾࡢ 12 ᭶ᮎ࡟㞟ࡲࡗࡓࡢࡣ 8 ௳ࡢࡳ㸬⥾ࡵษࡾࢆ 2021 ᖺ 1 ᭶ 18 ᪥ࡲ࡛ᘏࡤࡋ㸪1 ᭶࡟࡞ࡗ࡚࠿ࡽ఍ဨᩘࡢከ࠸኱Ꮫࡢ௦⾲ࡢ᪉࡟㸪ࡑࡢ኱Ꮫෆ࡛ᛂເ࠸ࡓࡔࡃ࠾㢪࠸ࢆࡋࡓ㸬ࡇࢀ࡟ࡼࡾ
㞟ࡲࡗࡓࡢࡀ 33 ௳㸬࡞ࢇ࡜࠿య㠃ࢆࡓࡶࡗࡓࡀ㸪ࡇࡢࡼ࠺࡞௻⏬ࡢ㞴ࡋࡉࢆ③ឤࡋࡓ㸬 ఏ⇕ࢩ࣏ࣥࡢ࡜ࡁࡢ఍ဨᢞ⚊࡛᭱ඃ⚽㈹ࡢ 1 ௳ࢆ㑅ࡪ๓࡟㸪ೃ⿵ࢆ 3 ௳࡟⤠ࡿᚲせࡀ࠶ࡗࡓ㸬ᑂᰝ๓࡟ࡣබ㛤ࡋ࡚࠸࡞࠿ࡗࡓࡀ㸪ᐇࡣᑂᰝဨࡣⱝ
ᡭࡢዪᛶ఍ဨ 3 ྡ࡛㸪㟷ᒣᏛ㝔኱ࡢ▼஭៞ᏊẶ㸪ி኱ࡢᰩᒣ᛭ᏊẶ㸪஑኱ࡢር㝧ᏊẶ࡛࠶ࡿ㸬᪂ᆺࢥࣟࢼࡢ⥭ᛴ஦ែᐉゝࡀ 2021 ᖺࡢᖺጞࡵ࡟ 2 ᅇ┠㸪᫓ࡢ㐃ఇ࡟ 3 ᅇ┠ࡀⓎฟࡉࢀࡓ୰࡛㸪ࡑࡢ㝽㛫ࡢఏ⇕ 2021 ᖺ 10 ᭶

ᅗ 2 ≉ูㅮ₇㸯 ෆ⏣ᘓᩍᤵࠕ♫఍ㄢ㢟ゎỴࢆ┠ᣦࡋࡓࢼࣀ㟁Ꮚᮦᩱ࣭ࢹࣂ࢖ࢫ࡟࠾ࡅࡿ⇕ࡢㄢ㢟࡜฼⏝ࠖ
4 ᭶୰᪪࡟ᮾி࡟㞟ࡗ࡚㡬ࡁ㸪᪂ࡋ࠸᪂㩭࡞どⅬ࡛ࡢ㑅⪃ࢆぢ஦࡟ࡋ࡚㡬࠸ࡓ㸬 ఏ⇕ࢩ࣏ࣥࡢ⥲఍ࡢ࡜ࡁࡢ఍ဨࡢ┤᥋ᢞ⚊࠿ࡽ㸪
1 㐌㛫ࡢᮇ㛫ࢆタࡅࡓࢿࢵࢺᢞ⚊࡟ษࡾ᭰࠼㸪⥲ィ 586 ⚊࡛᭱⤊ⓗ࡟ᅗ㸯࡟♧ࡉࢀࡿᮾ኱ࡢ㔠ᏊᩄᏹẶࡢࡶࡢࡀ᭱ඃ⚽㈹࡟㑅ࡤࢀࡓ㸬㸲㸬≉ูㅮ₇఍᪥ᮏఏ⇕Ꮫ఍๰❧ 60 ࿘ᖺࢆグᛕࡍࡿ≉ูㅮ₇఍ࡀఏ⇕ࢩ࣏ࣥ஧᪥┠㸪5 ᭶ 26 ᪥࡟⾜ࢃࢀࡓ㸬Ꮫ఍ࡀ㑏ᬺࢆ㏄࠼ࡿࡇ࡜ࢆព㆑ࡋ㸪ఏ⤫ࡢ࠶ࡿศ㔝ࢆᑛ㔜ࡋࡘࡘࡶ᪂ࡋ࠸ศ㔝࡟࡝ࡢࡼ࠺࡟ࢳࣕࣞࣥ
ࢪࡍࡿࡢ࠿㸪≉࡟ⱝᡭࡢ◊✲⪅࡟่⃭࡟࡞ࡿࡼ࠺
࡟㸪ㅮ₇఍඲యࡢࢱ࢖ࢺࣝࢆࠕ᪂ࡋ࠸◊✲ࡣ࡝ࡢ
ࡼ࠺࡞Ⓨ᝿࠿ࡽ⏕ࡲࢀࡿࡢ࠿㸪ʊ᪂ࡋ࠸㡿ᇦ࡬ࡢᣮᡓʊࠖ࡜ࡋࡓ㸬Ꮫ఍ࡑࡢࡶࡢࡀ࢜ࣥࣛ࢖࡛ࣥ࠶
ࡿࡇ࡜࠿ࡽ㸪ᮏㅮ₇఍ࡶ࢜ࣥࣛ࢖࡛ࣥ࠶ࡾ㸪㏫࡟
ࡑࡢࡇ࡜ࢆ฼⏝ࡋ࡚㸪ఏ⇕Ꮫ఍ဨ࡟ࡣㅮ₇఍࡟࠾
࠸࡚㉁ၥࡀྍ⬟࡞ Zoom ࡟ࡼࡿ㓄ಙࢆ㸪ࡲࡓ㸪୍⯡ࡢ᪉࡟ࡶ YouTube ࡟ࡼࡾ↓ᩱ࡛බ㛤ࡋࡓ㸬஦๓࡟᪥ᮏᶵᲔᏛ఍ࡢ 7 ࡘࡢ㒊㛛㸪໬ᏛᕤᏛ఍ࡢ 2 ࡘࡢ㒊఍࡟ㅮ₇఍ࡢ⣙୍㐌㛫๓࡟࣓࣮ࣝࢧ࣮ࣅࢫࢆ
฼⏝ࡋ࡚㸪ఏ⇕ࢩ࣏ࣥ࡟Ⓩ㘓ࡋ࡚࠸࡞ࡃ࡚ࡶ
YouTube ࡢ฼⏝࡟ࡼࡾ↓ᩱ࡛ㅮ₇ࢆど⫈࡛ࡁࡿ᝟
ሗⓎಙࢆࡋࡓ㸬බ┈♫ᅋἲே࡛࠶ࡿ᪥ᮏఏ⇕Ꮫ఍࡜ࡋ࡚㸪Ꮫ఍ဨࡢࡓࡵࡔࡅ࡛࡞ࡃ㸪♫఍ࡢࡓࡵࡢ
Ꮫ఍࡜ࡋ࡚ࡢάືࢆព㆑ࡋࡓ㸬2020 ᖺࡲ࡛ࡢ⇕ᕤᏛࢥࣥࣇ࢓ࣞࣥࢫ࡛㸪Zoom ࡜ YouTube ࢆ㥑౑ࡋࡓࡈ⤒㦂ࢆ࠾ᣢࡕࡢ᳜ᮧ෸ᩍᤵ㸦໭኱㸧࡟ 60 ࿘ᖺࡢጤဨ఍࡟ຍࢃࡗ࡚ࡶࡽ࠸㸪ࡇࢀࡽࡢࡍ࡭࡚ࢆᕪ
㓄ࡋ࡚㡬࠸ࡓ㸬-9-

J. HTSJ, Vol. 60, No. 253

᪥ᮏఏ⇕Ꮫ఍๰❧ 60 ࿘ᖺグᛕ⸆๣ࢆὀධࡍࡿᢏ⾡࡞࡝࡟Ⓨᒎࡉࡏࡓࡇ࡜࡟ࡘ࠸
࡚Ⓨ⾲ࡀ࡞ࡉࢀࡓ㸬ྡ኱ࡢ㛗㔝Ặ㸪ᮾ໭኱ࡢᑠᐑẶ࠿ࡽ㸪ࠕ㐪ࡗࡓษࡾཱྀࡢᒎ㛤࡜ࡣ㸽ࠖࠕ␗ศ㔝⼥ྜ࡜ࡣ㸽ࠖ࡟ࡘ࠸࡚㉁ၥࡀ࡞ࡉࢀ㸪ࠕ⮬ศࡢᢏ⾡㸪ᇶ♏ࡢ❧ࡕ఩⨨ࢆࡩࡾ࠿࠼ࡾࡘࡘ㸪␗ศ㔝ࡢே࡜✚ᴟⓗ࡟㆟ㄽࡍࡿࡇ࡜࡜㸪እ㒊ࡢࢽ࣮ࢬ࡟ࡘ࠸࡚ᕼồࡍࡿࡇ࡜ࡀࡑࡢ
ษࡾཱྀ࡟࡞ࡿࠖ࡜ࡢ⟅࠼ࡀ࡞ࡉࢀࡓ㸬
Zoom ࡜ YouTube ࡛㸪⣙ 400 ྡᙅࡢど⫈ࡀ࠶ࡾ㸪ࡑࡢᚋࡢᏛ఍ࡢពぢ஺᥮఍࡛ࡶ㸪60 ࿘ᖺ࡟ࡩࡉࢃ
ࡋ࠸ᐇ࡟࠾ࡶࡋࢁ࠸ㅮ₇࡛࠶ࡗࡓ࡜ከࡃࡢே࠿ࡽ
ゝࢃࢀࡓ㸬ዲホ࡛࠶ࡗࡓࡼ࠺࡟ᛮ࠺㸬㸳㸬᭱ᚋ࡟
≉ูㅮ₇఍ࢆ௻⏬ࡋ࡚ࡳ࡚㸪᪥㡭㸪Ꮫ఍࡛⪺ࡃ㸪◊✲“ࡑࡢࡶࡢ”ࡢෆᐜ࡛ࡣ࡞ࡃ㸪ࠕ࡝ࡢࡼ࠺࡟ࡋ
࡚ࡑࡢ◊✲ෆᐜ࡟⮳ࡗࡓࡢ࠿ࠖ࡜࠸࠺ෆᐜࡢㅮ₇ࡣ࡞࠿࡞࠿⪺ࡃᶵ఍ࡀ࡞࠸ࡇ࡜ࢆᨵࡵ࡚ᛮࡗࡓ㸬ෆᐜࡼࡾࡶ⤒⦋࡟ࡘ࠸࡚ࡣ㸪ㄽᩥࢆㄞࢇ࡛ࡶ࠺࠿
ࡀ࠸▱ࡿࡇ࡜ࡣ࡛ࡁ࡞࠸㸬ఱ༑࿘ᖺグᛕ࡜࠸࠺≉ู࡞஦ᴗ࡛࡞ࡃ࡚ࡶ㸪ࡶࡗ࡜㏻ᖖࡢఏ⇕ࢩ࣏࡛ࣥࡶࡇࡢࡼ࠺࡞ᶵ఍ࢆタࡅ࡚ࡣ…࡜ᛮࡗࡓ㸬 60 ࿘ᖺࢆグᛕࡍࡿᮏ஦ᴗࡣ㸪㸦1㸧‽ഛᮇ㛫ࡢ 2ᖺ㛫࡟఍㛗ࢆṔ௵㡬࠸ࡓ㧗⏣ಖஅẶ㸦஑኱㸧࡜ⰼᮧඞᝅẶ㸦ᮾᕤ኱㸧࡟ࡣ㈗㔜࡞࢔ࢻࣂ࢖ࢫࢆ㡬࠸ࡓ㸬㸦2㸧60 ࿘ᖺグᛕ஦ᴗጤဨ఍ࡢᖿ஦ࡢὠᓥᑗྖ
Ặ㸦㜰኱㸧࡜᳜ᮧ㇦Ặ㸦໭኱㸧࡟ࡣᚰ⾑ࢆὀ࠸࡛ࡈ༠ຊࢆ㡬࠸ࡓ㸬㸦3㸧▼஭៞ᏊẶ㸦㟷ᒣᏛ㝔኱㸧㸪ᰩᒣ᛭ᏊẶ㸦ி኱㸧㸪ር㝧ᏊẶ㸦஑኱㸧࡟ࡣ㸪ࣟࢦࡢ㑅ᐃసᴗࢆ௒ࡲ࡛࡟࡞࠸᪂ࡋ࠸ឤぬ࡛ࡋ࡚㡬࠸ࡓ㸬ࡇࡇ࡟グࡋ㸪῝ࡃឤㅰ⏦ࡋୖࡆࡿḟ➨࡛ࡍ㸬
10 ᖺᚋࡢ 70 ࿘ᖺ࡟㸪ୖグࡢ᪉ࠎࡣ࡝ࡢࡼ࠺࡞
ࡇ࡜ࢆࡉࢀ࡚࠸ࡿࡢ࠿㸪Ꮫ఍ࡣ࡝ࡢࡼ࠺࡟Ⓨᒎࡋ࡚࠸ࡿࡢ࠿㸪࡞࡝ࢆ᝿࠸ࡘࡘ㸪➹ࢆ࠾ࡁࡲࡍ㸬ᅗ 3 ≉ูㅮ₇ 2 ᒣす㝧Ꮚᩍᤵࠕ㟁⏺ㄏ㉳ẼἻ࡟ࡼࡿᶵ⬟๰Ⓨ࡜␗ศ㔝◊✲࡬ࡢⓎ᝿ࠖ≉ูㅮ₇ࡣ㸪ⰼᮧ఍㛗࡟ྖ఍㐍⾜ࢆ㐍ࡵ࡚࠸ࡓࡔ
࠸ࡓ㸬ᮾ኱ࡢෆ⏣ᘓᩍᤵࡣࠕ♫఍ㄢ㢟ゎỴࢆ┠ᣦࡋࡓࢼࣀ㟁Ꮚᮦᩱ࣭ࢹࣂ࢖ࢫ࡟࠾ࡅࡿ⇕ࡢㄢ㢟࡜฼⏝ࠖ࡜࠸࠺ࢱ࢖ࢺ࡛ࣝㅮ₇ࢆࡋ࡚㡬࠸ࡓ㸬ࢺࣛࣥࢪࢫࢱࡢ◊✲࠿ࡽጞࡲࡾ㸪ࢼࣀࢫࢣ࣮ࣝࡢ㟁Ꮚࡢࡩࡿࡲ࠸࡟ࡘ࠸࡚㸪ᇶ♏࡜ࡋ࡚ࡢ⌧㇟ࡢ⌮ゎࡢࣞ࣋ࣝࢆୖࡆ࡚᮶ࡽࢀࡓ⤒⦋ࢆ㏙࡭ࡽࢀࡓ㸬ࡑࡢ୰࡛㸪◊✲ࡢࢽ࣮ࢬ࡜♫఍ࡢࢽ࣮ࢬ࡜↷ࡽࡋྜࢃࡏ㸪IoT ࡛ᚲせ࡜ࡉࢀࡿపᾘ㈝㟁ຊࡢ㉸ᑠᆺࢭࣥࢧ࣮࡟㸪ࢼࣀࢫࢣ࣮ࣝࡢࢪ࣮ࣗࣝ⇕ࢆ฼⏝ࡍࡿ᪂ࡋ࠸ࢭࣥࢧ࣮ࡢ㛤Ⓨ࡟ᡂຌࡋࡓヰࢆ࡞ࡉࢀࡓ㸬౛࠼ࡤ㸪ே㛫ࡢ࿧྾୰ࡢᡂศࡀ㸪ࢼࣀࢩ࣮ࢺ࡟௜╔ࡍࡿࡇ࡜࡟ࡼࡾ㸪㟁Ẽ᢬ᢠࡀኚ໬ࡍࡿࡇ࡜ࢆ㸪Ⓨ⏕ࡍࡿ⇕࡟ࡼࡾ㧗ឤᗘ࡟ࢭࣥࢩࣥࢢ࡛ࡁࡿ◊✲࡬᪂ࡓ࡞ᒎ㛤ࢆᅗࡽࢀࡓࡇ࡜ࡢㄝ᫂ࡀ࡞ࡉࢀࡓ㸬஑኱ࡢርẶ㸪ᮾ኱ࡢᚿ㈡Ặ㸪୸ᒣẶ࠿ࡽ㸪ࠕ࡝ࡢࡼ࠺࡟ࡋ࡚ࡇࡢࡼ࠺࡞Ⓨ᝿࡟࠸ࡓࡗࡓࡢ࠿㸽ࠖ࡜࠿ࠕࣈ࣮ࣞࢡࢫ࣮ࣝ࡜ࡣ㸽ࠖ࡟ࡘ࠸࡚㉁ၥࡀ࡞ࡉ
ࢀ㸪ࠕ⮬ศࡢᢏ⾡࣭▱㆑࡜♫఍ࡢࢽ࣮ࢬࡢ࢔ࣥࢻࢆ
࠸࠿࡟࡜ࡿࡢ࠿㸪࡜࠸࠺Ⓨ᝿ࡀ㔜せ࡛࠶ࡿࠖࡇ࡜
ࡀ㏙࡭ࡽࢀࡓ㸬 ḟ࡟㸪஑኱ࡢᒣす㝧Ꮚᩍᤵࡼࡾ㸪ࠕ㟁⏺ㄏ㉳ẼἻ࡟ࡼࡿᶵ⬟๰Ⓨ࡜␗ศ㔝◊✲࡬ࡢⓎ᝿ࠖ࡜࠸࠺ࢱ
࢖ࢺ࡛ࣝㅮ₇ࢆࡋ࡚㡬࠸ࡓ㸬࢖ࢠࣜࢫࡢ࢖ࣥ࣌ࣜ
࢔ࣝ࢝ࣞࢵࢪ࡛▼Ⅳ⇞↝࣭࣮ࣞࢨィ ࡛Ꮫ఩ࢆ࡜
ࡽࢀࡓᚋ㸪ᮾ໭኱Ꮫ࡛඲ࡃ㐪࠺ศ㔝࡛ࡢ⣽⬊࡟ࡘ࠸࡚Ꮫࡧ㸪ࡉࡽ࡟㸪㟁Ẽ࣓ࢫࡢ㉸ᑠᆺ໬࡟ࡘ࠸࡚
◊✲ࡋ࡚࠸ࡓ࡜ࡇࢁ㸪࣐࢖ࢡࣟẼἻࢆ㐃⥆ⓗ࡟ᑕฟࡍࡿࡇ࡜࡟ᡂຌࡋ㸪ẼἻࡀᅽቯࡍࡿ࡜ࡁ࡟㸪⏕≀ࡢ⭷ࢆ↔ࡀࡉࡎ࡟✰ࢆ㛤ࡅࡽࢀࡿࡇ࡜ࢆⓎぢࡋࡓࡇ࡜㸪ࡉࡽ࡟ࡣ㸪ࡇࢀࢆ฼⏝ࡋ࡚እ⛉ᡭ⾡࡜࠸࠺࢝ࢸࢦ࣮࡛ࣜ࡞ࡃ࡚⾑ᰦࢆ࡜ࡿᢏ⾡㸪㑇ఏᏊ㸪ఏ⇕ 2021 ᖺ 10 ᭶ཧ⪃ᩥ⊩[1] 㧗⏣ಖஅ㸪➨ 58 ᮇ఍㛗ᑵ௵࡟࠶ࡓࡗ࡚㸪ఏ⇕㸪
58-244 (2019) 1㸬
[2] Ᏹ㧗⩏㑻㸪኱ஂಖⱥᩄ㸪Ⲩᮌᣅே㸪㓇஭Ύ࿃㸪ὸᒸ㱟ᚨ㸪ὠᓥᑗྖ㸪᪥ᮏఏ⇕Ꮫ఍๰❧ 50 ࿘ᖺグᛕఏ⇕ࢭ࣑ࢼ࣮ࡢሗ࿌㸪ఏ⇕㸪51-214(2012)16.
[3] ᑠ⃝Ᏺ㸪᪥ᮏఏ⇕Ꮫ఍ 40 ࿘ᖺグᛕࢭ࣑ࢼ࣮ࡢ
ሗ࿌㸪ఏ⇕㸪41-169(2003)3.

- 10 -J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ

≉㞟ࠕࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛࠖ࡟࠶ࡓࡗ࡚
Preface to the Special Issue on “Data-Driven Science for Thermal and Fluids Engineering”

ᑠ⏣ ㇏㸦㛵す኱Ꮫ㸧
Yutaka ODA (Kansai University)e-mail: oda.y@kansai-u.ac.jpࡍ㸬ᮾிᕤᴗ኱Ꮫࡢ኱すẶ㸪Ᏻ⏣Ặ࡟ࡣ඲⌫࠿ࡽ㒔ᕷ⾤༊ࡢࢫࢣ࣮ࣝࡲ࡛ࢩ࣮࣒ࣞࢫ࡟ᐇ⾜ྍ⬟࡞኱Ẽᾏὒࢩ࣑࣮ࣗࣞࢩࣙࣥࢆᴫㄝࡋ࡚㡬ࡃ࡜࡜ࡶ࡟㸪῝ᒙᏛ⩦࡟ࡼࡿ㉸ゎീᢏ⾡ࢆᛂ⏝ࡍࡿࡇ࡜࡟
ࡼࡾ⾤༊ᚤẼ㇟ࢩ࣑࣮ࣗࣞࢩࣙࣥࡢ㉸㧗㏿໬㸦ࣜ࢔ࣝࢱ࢖࣒໬㸧ࢆᐇ⌧ࡋࡓ౛ࢆ⤂௓㡬ࡁࡲࡋࡓ㸬㉸ゎീᢏ⾡ࡢ≀⌮⪃៖ࣞ࣋ࣝࢆୖࡆࡿࡇ࡜࡟ࡼࡿ
⢭ᗘࡢࡉࡽ࡞ࡿྥୖࡀ㸪㒔ᕷ㒊࡟࠾ࡅࡿ⇕୰⑕ࣜࢫࢡࢆ᭱ᑠ໬ࡍࡿேὶไᚚࢧ࣮ࣅࢫࡢᐇ⌧࡟ࡘ࡞ࡀࡿࡇ࡜ࡀᮇᚅࡉࢀ࡚࠸ࡲࡍ㸬ᮾி኱Ꮫࡢ୕㍯Ặ࡟ࡣᶵᲔᏛ⩦ࢆ⏝࠸ࡓẼᾮ஧┦ὶ࡟࠾ࡅࡿὶືᵝᘧ㆑ู࡟ࡘ࠸࡚ࡈ⤂௓㡬ࡁࡲࡋࡓ㸬ィ ࡋࡓẼἻᘻ㛗ࡉࡢ⣼✚ศᕸ㛵ᩘࢆ≉ᚩ㔞࡜ࡋ࡚⎔≧ὶ㊰ࡢὶືᵝᘧࢆุᐃࡋࡓ౛࡛ࡣ㸪ὶືᵝᘧ⥺ᅗࡢቃ⏺
⥺ࡣࠕ⥺࡛ࠖࡣ࡞ࡃࠕ㑄⛣༊ᇦ࡛ࠖ࠶ࡾ㸪ࡼࡾ⣽࠿࡞」ᩘࡢࢡࣛࢫ࡟ศ㢮ࡉࢀࡓὶືᵝᘧࢆ⤒࡞ࡀࡽᚎࠎ࡟ὶື≧ែࡀ㑄⛣ࡍࡿࡇ࡜ࡀぢฟࡉࢀ࡚࠸
ࡲࡍ㸬ࡲࡓ㸪๓༙㒊࡛ࡣ᪥⡿ࡢ኱Ꮫ IT ᩍ⫱ࡢ㐪࠸ࢆᐇయ㦂࡟ᇶ࡙࠸࡚⤂௓㡬ࡃ࡜࡜ࡶ࡟㸪ᛴ㏿࡟Ⓨᒎࡍࡿ AI ᢏ⾡࡬ࡢᑐᛂ࡛㐜ࢀࢆ࡜ࡿ᪥ᮏࡢ኱Ꮫ
ᩍ⫱࡟ᑐࡋ࡚㔜せ࡞どⅬࢆᥦ౪㡬ࡁࡲࡋࡓ㸬᪥❧㐀⯪ᰴᘧ఍♫ࡢ࿴⏣Ặࡽ࡟ࡣ⏘ᴗ⏺࡟࠾ࡅࡿ AI
ᢏ⾡ࡢᐇᛂ⏝౛࡜ࡋ࡚㸪⇕஺᥮ჾࡢ⟶➃⁐᥋㒊࡟࠾ࡅࡿḞ㝗ุᐃࢩࢫࢸ࣒ࢆࡈ⤂௓㡬ࡁࡲࡋࡓ㸬᳨ᰝဨ࡟ࡼࡿ┠ど࡛⾜ࡗ࡚࠸ࡓ᥈യ⏬ീෆࡢ⁐᥋Ḟ㝗᭷↓ࡢุᐃࢆ㸪ᚑ᮶ࡢ⏬ീฎ⌮㸪CNN ࡟ࡼࡿ⏬
ീศ㢮㸪AE㸦Auto Encoder㸧࡟ࡼࡿ⏬ീ᚟ඖ࡜࠸
࠺ 3 ✀㢮ࡢᡭἲࢆ⏝࠸࡚ಶู࡟ᐇ᪋ࡋ㸪ྛᡭἲࡢಙ㢗ᗘ࡟ᇶ࡙࠸࡚⥲ྜⓗ࡟ุᐃࡍࡿࡇ࡜࡟ࡼࡾ㸪ᐇ⏝࡟⪏࠼ᚓࡿุᐃ⢭ᗘ㸦99%㸧ࡀ㐩ᡂࡉࢀ࡚࠸
ࡲࡍ㸬ࡇࡢᢏ⾡࡟ࡼࡾ᳨ᰝ᫬㛫࡜᳨ᰝဨࡢ㈇ᢸࡣ
኱ᖜ࡟పῶࡉࢀ࡚࠾ࡾ㸪⏘ᴗᛂ⏝࡟࠾ࡅࡿ AI ᢏ⾡ࡢጾຊࢆ❚࠸▱ࡿࡇ࡜ࡀ࡛ࡁࡲࡍ㸬᭱ᚋ࡟࡞ࡾࡲࡋࡓࡀᇳ➹⪅ࡢⓙᵝ࡟ࡣ኱ኚࡈከ
ᛁࡢ࡜ࡇࢁ㸪ᮏ≉㞟࡟ࡈᐤ✏㡬ࡁࡲࡋࡓࡇ࡜ࢆᚰ
ࡼࡾឤㅰ࠸ࡓࡋࡲࡍ㸬㏆ᖺࡼࡃ⪥࡟ࡍࡿࢹ࣮ࢱ㥑ື⛉Ꮫ࡜࠸࠺ゝⴥࡣࠕData-Driven Scienceࠖࡢヂㄒ࡛࠶ࡾ㸪ࢹ࣮ࢱ࡟ࡼ
ࡗ࡚᥎㐍ࡉࢀࡿ⛉Ꮫࢆព࿡ࡋࡲࡍ㸬㏻ᖖ㸪ࡇࡇ࡛࠸࠺ࢹ࣮ࢱ࡜ࡣィ⟬ᶵࡸィ ᶵჾࡢ㣕㌍ⓗ࡞ᛶ⬟ྥୖࡀࡶࡓࡽࡋࡓ㧗ḟඖࡢࢹ࣮ࢱࢆព࿡ࡋࡲࡍ㸬᪤Ꮡࡢゎᯒᡭἲ࡛ࡣ」㞧࡞㧗ḟඖࢹ࣮ࢱ࡟₯ࡴ≀⌮⌧㇟ࡢ⌮ゎࡀᅔ㞴࡛࠶ࡿ୍᪉㸪ᶵᲔᏛ⩦࡟௦⾲ࡉࢀࡿ AI ᢏ⾡ࡢⓎᒎࡣࡇ࠺ࡋࡓ㧗ḟඖࢹ࣮ࢱ࡟
ᇶ࡙ࡃࣔࢹࣝ໬ࡸつ๎ࡢⓎぢࢆྍ⬟࡟ࡋࡘࡘ࠶ࡾ
ࡲࡍ㸬ᶵᲔᕤᏛ࡛ࡣ≉࡟⇕࣭ὶయᕤᏛศ㔝࡛ᶵᲔᏛ⩦ࡢᛂ⏝ࡀᛴ㏿࡟㐍ᒎࡋࡘࡘ࠶ࡾ㸪௒ᚋࡢⓎᒎࡀ኱ࡁࡃᮇᚅࡉࢀࡲࡍ㸬ᮏ≉㞟ࢆ㏻ࡌ࡚఍ဨㅖẶࡢⓙᵝ࡟ᙜヱศ㔝ࢆ࣮ࣜࢻࡍࡿඛ➃◊✲࡟ゐࢀ࡚㡬ࡁ㸪◊✲ࡸᩍ⫱ࡢཧ⪃࡟ࡋ࡚㡬ࡅࢀࡤᖾ࠸࡛ࡍ㸬៞᠕⩏ሿ኱Ꮫࡢ῝₲Ặ㸪UCLA ࡢ῝ぢẶ࡟ࡣ෇ᰕ࿘ࡾࡢ㠀ᐃᖖᒙὶࢆ㢟ᮦ࡟㸪ᶵᲔᏛ⩦ᡭἲ࡟ࡼࡿὶࢀሙࡢపḟඖ໬࡟ጞࡲࡾ㸪ࢫࣃ࣮ࢫᅇᖐ࡟ࡼ
ࡿ⦰⣙ࣔࢹࣝࡢᑟฟࢆ⤒࡚㸪ไᚚ⌮ㄽ࡜⤌ࡳྜࢃࡏࡓࢹ࣮ࢱ㥑ືᆺࡢὶࢀไᚚ࡬࡜⮳ࡿ㐨➽ࢆ㇏ᐩ࡞ᩥ⊩࡜࡜ࡶ࡟ศ࠿ࡾࡸࡍࡃ⤂௓㡬ࡁࡲࡋࡓ㸬ᮾி኱ᏛࡢሷぢẶ࡟ࡣ㌿⛣Ꮫ⩦ࢆ⏝࠸ࡓ㧗⇕ఏᑟ⤖ᬗࡢ᥈⣴㸪࠾ࡼࡧ࣋࢖ࢬ᭱㐺໬ࢆ⏝࠸ࡓ⇕ఏᑟᮦᩱࡢࢼࣀᵓ㐀᭱㐺໬࡟ࡘ࠸࡚⤂௓㡬ࡁࡲࡋࡓ㸬๓⪅࡛ࡣᮦᩱࢹ࣮ࢱ࣮࣋ࢫࡢ㝈ࡽࢀࡓ᝟ሗ࠿ࡽ≀⌮ⓗὝᐹ࡟ᇶ࡙࠸࡚㑅ᐃࡋࡓ≉ᚩ㔞ࢆࡶ࡜࡟஦๓Ꮫ
⩦ࡀ⾜ࢃࢀ࡚࠾ࡾ㸪ㄢ㢟࡟ᑐࡍࡿ㐺ษ࡞࢔ࣉ࣮ࣟ
ࢳࢆ⪃࠼ࡿ┠฼ࡁⓗ⬟ຊ࡜⥲ྜⓗ࡞▱㆑ࡢᚲせᛶࡀᣦ᦬ࡉࢀ࡚࠸ࡲࡍ㸬ᮾி⌮⛉኱Ꮫࡢᚋ⸨⏣Ặࡽ࡟ࡣ⯟✵ᶵ࢚ࣥࢪࣥࡢࢫࢸ࣮ࢪࣥࢢ⇞↝ჾ࡛ၥ㢟࡜࡞ࡿ⇞↝᣺ືࡢண඙᳨▱࡟ࡘ࠸࡚⤂௓㡬ࡁࡲࡋࡓ㸬୍ぢࡍࡿ࡜」㞧࡛つ๎ᛶࡀ࡞࠸ࡼ࠺࡟ぢ࠼ࡿᅽຊኚືࡢ᫬⣔ิࢹ࣮ࢱ࡟ᑐࡋ࡚㸪」㞧⣔⛉Ꮫ࡜᝟ሗ⌮ㄽ࡟ᇶ࡙ࡃ㧗ᗘ࡞᫬⣔ิゎᯒᡭἲࢆ㐺⏝ࡍࡿࡇ࡜࡛㸪⫼ᚋ࡟₯ࡴ㠀⥺ᙧࢲ࢖ࢼ࣑ࢡࢫࡢ≉ᚩ㔞ࡀ㐺ษ࡟ホ౯ࡉࢀ㸪ࢧ࣏࣮ࢺ࣋ࢡࢱ࣮࣐ࢩ࣮ࣥ
࡟ࡼࡿ⇞↝≧ែࡢศ㢮࡜ண඙᳨▱࡟ᡂຌࡋ࡚࠸ࡲ

ఏ⇕ 2021 ᖺ 10 ᭶

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≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ

ᶵᲔᏛ⩦⦰⣙ࣔࢹࣝࢆ⏝࠸ࡓ㠉᪂ⓗὶࢀไᚚ࡟ྥࡅ࡚
Towards an Innovative Flow Control with Machine Learning-Based Reduced-Order Modeling῝₲ ᗣ஧㸦៞᠕⩏ሿ኱Ꮫ㸧㸪῝ぢ 㛤 (࢝ࣜࣇ࢛ࣝࢽ࢔኱Ꮫࣟࢧࣥࢮࣝࢫᰯ)Koji FUKAGATA (Keio University), Kai FUKAMI (University of California, Los Angeles)
e-mail: fukagata@mech.keio.ac.jp㸯㸬ࡣࡌࡵ࡟
㏆ᖺࡢ➨ 3 ḟேᕤ▱⬟ࣈ࣮࣒࡟క࠸㸪ࡇࡇᩘᖺ㸪ὶయຊᏛࡢㅖၥ㢟࡟ᑐࡍࡿᶵᲔᏛ⩦ࡢᛂ⏝࡟㛵ࡍࡿ◊✲ࡀୡ⏺୰࡛⢭ຊⓗ࡟࡞ࡉࢀ࡚࠸ࡿ㸬➹⪅ࡢࢢ࣮ࣝࣉ࡟࠾࠸࡚ࡶ㸪⛉◊㈝ᇶ┙ AࠕᶵᲔᏛ⩦࡟ࡼࡿ஘ὶࣅࢵࢢࢹ࣮ࢱࡢ≉ᚩᢳฟᡭἲࡢᵓ⠏ࠖ㸦2018~2020 ᖺᗘ㸪ㄢ㢟␒ྕ 18H03758㸧࠾ࡼࡧ㸪⛉◊㈝ᇶ┙ SࠕᶵᲔᏛ⩦ࢆά⏝ࡋࡓ㠉᪂ⓗὶࢀไᚚࣃ
ࣛࢲ࢖࣒ࡢ๰ฟ࡜ᐇ㊶ࠖ㸦2021~2025 ᖺᗘ㸪ㄢ㢟␒ྕ 21H05007㸧ࡢ⿵ຓࢆཷࡅ㸪෇ᰕ࿘ࡾὶࢀࡸࢳࣕ
ࢿࣝ஘ὶ࡜࠸ࡗࡓ࢝ࣀࢽ࢝ࣝ࡞ὶࢀࡸࡑࡢไᚚ࡟
ᑐࡍࡿᶵᲔᏛ⩦ࡢᛂ⏝ྍ⬟ᛶ࡟㛵ࡍࡿㄪᰝࢆ⾜ࡗ࡚࠸ࡿ[1-4]㸬ᮏ✏࡛ࡣࡇࡢ࠺ࡕ㸪᪂ࡓ࡞ὶࢀࡢไᚚ
ᡭἲᵓ⠏࡟ྥࡅࡓ◊✲࡛࠶ࡿ㸪␚ࡳ㎸ࡳࢽ࣮ࣗࣛࣝ
ࢿࢵࢺ࣮࣡ࢡ䠄Convolutional neural network, CNN㸧[5]ࢆ⏝࠸ࡓ࣮࢜ࢺ࢚ࣥࢥ࣮ࢲ㸦Autoencoder, AE㸧[6] ࡟ࡼࡿὶࢀሙࡢపḟඖ໬࠾ࡼࡧࡑࡢ≉ᚩᢳฟ࡟㛵ࡍࡿ◊✲ࢆ⤂௓ࡍࡿ㸬࡞࠾㸪ᶵᲔᏛ⩦ࡢ஘ὶ࡬ࡢྛ✀ᛂ⏝࡟㛵ࡋ࡚ࡣูᏛ఍ࡢ≉㞟グ஦[4]ࢆཧ↷ࡉࢀࡓ࠸㸬㸰㸬␚ࡳ㎸ࡳࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࢆ⏝࠸ࡓ࣮࢜ࢺ࢚ࣥࢥ࣮ࢲ CNN-AE  ᮏ✏࡛⤂௓ࡍࡿ୍㐃ࡢ◊✲࡛ࡣ㸪ᅗ 1 ࡟♧ࡍࡼ࠺࡞␚ࡳ㎸ࡳࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ CNN-AE ࢆ⏝࠸࡚ὶࢀሙࡢపḟඖ໬ࢆ⾜ࡗ࡚࠸ࡿ㸬࣮࢜ࢺ࢚ࣥ

ࢥ࣮ࢲ AE ࡣࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࢆ⏝࠸ࡓࢹ࣮ࢱࡢపḟඖ໬ᡭἲ࡛࠶ࡿ㸬పḟඖ໬ࢆࡋࡓ࠸ࢱ࣮
ࢤࢵࢺ࡜࡞ࡿࢹ࣮ࢱࢆ q ࡜ࡍࡿ࡜㸪AE ࣔࢹࣝF ࢆ⏝࠸࡚ q F(q)࡜ၥ㢟ࡣᐃᘧ໬ࡉࢀࡿ㸬ࡇࡢᘧ࡟♧ࡉࢀࡿ㏻ࡾ㸪AE ࡛ࡣධฟຊ࡟ྠࡌࢹ࣮ࢱ q ࢆ⏝ពࡍࡿ㸬ຍ࠼࡚㸪AE ࡣᅗ 1 ࡟♧ࡍࡼ࠺࡟ࢹ࣮ࢱࢆᅽ
⦰ࡍࡿࡼ࠺࡞࣎ࢺࣝࢿࢵࢡᵓ㐀ࢆᣢࡗ࡚࠸ࡿࡓࡵ㸪ฟຊᒙ࡛ධຊ࡜ྠᵝࡢࢹ࣮ࢱࢆᚓࡿࡇ࡜ࡀฟ᮶ࡓ
ሙྜ࡟ࡣ㸪ࣔࢹࣝࡢ᭱῝㒊㸦ᅗ 1 ࡢ㉥୸ࡢ㒊ศ㸧࡟࠶ࡿ₯ᅾ࣋ࢡࢺࣝ㸦Latent vector㸧ࡣ㸪㧗ḟඖࢹ࣮ࢱq ࡢపḟඖ෗ീ࡜࡞ࡗ࡚࠸ࡿ㸬➹⪅ࡢࢢ࣮ࣝࣉ࡛ࡣ㸪㠀ᐃᖖᒙὶ[8,9]࠾ࡼࡧ஘ὶሙ[10]࡟ᑐࡋ㸪CNN-AEࢆ㐺⏝ࡋࡓὶࢀሙࡢపḟඖ໬ࢆヨࡳ࡚࠸ࡿ㸬௨ୗ࡛ࡣ㸪ὶࢀሙࢹ࣮ࢱ࡟ᑐࡍࡿ CNN-AE ࡢᅽ⦰ᛶ⬟ࡢㄪᰝ࠾ࡼࡧ₯ᅾ࣋ࢡࢺࣝࡢᣢࡘព࿡ࡢ⌮ゎ[11]㸪ࢫࣃ࣮ࢫᅇᖐࢆ⏝࠸ࡓ₯ᅾ࣋ࢡࢺࣝࡢࢲ࢖ࢼ࣑ࢡࢫ
ࡢグ㏙[12]㸪ࡲࡓᚓࡽࢀࡓࢲ࢖ࢼ࣑ࢡࢫࡢグ㏙࡟ᇶ࡙ࡃὶࢀሙไᚚࡢணഛⓗ᳨ウ[13]ࡢ౛ࢆ⤂௓ࡍࡿ㸬㸱㸬㠀ᐃᖖᒙὶ࡟ᑐࡍࡿ CNN-AE ࡢ㐺⏝࡜ࡑࡢ⌮ゎࡲࡎ CNN-AE ࢆ⏝࠸ࡓὶࢀሙࢹ࣮ࢱࡢపḟඖ໬ࡢᡭጞࡵ࡜ࡋ࡚㸪୺ὶ㏿ᗘ࡜෇ᰕ┤ᚄ࡟ᇶ࡙ࡃࣞ࢖
ࣀࣝࢬᩘ ReD = 100 ࡢ෇ᰕ࿘ࡾὶࢀࢆ⪃࠼ࡿ㸬ୖ㏙
ࡢ㏻ࡾᮏ◊✲࡛ࡣ᭱⤊ⓗ࡟ࡣὶࢀไᚚ࡬ࡢᛂ⏝ࢆ┠ᣦࡋ࡚࠸ࡿࡓࡵ㸪ࢹ࣮ࢱࡢᅽ⦰࡟ຍ࠼㸪CNN-AEᅗ 1 CNN-AE ࡢᴫ␎[7]㸬
㸦CC BY 4.0㸧ఏ⇕ 2021 ᖺ 10 ᭶

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ᅗ 2 ࣞ࢖ࣀࣝࢬᩘ ReD = 100 ࡢ෇ᰕ࿘ࡾὶࢀ࡟࠾ࡅࡿ㸪CNN-AE ࢆ⏝࠸࡚ᢳฟࡉࢀࡓ 2 ࡘࡢ㠀⥺ᙧ࣮ࣔࢻ࡟ᑐࡍࡿᅛ᭷┤஺ศゎ㸦POD㸧[11]㸬
㸦T. Murata, K. Fukami, and K. Fukagata, J. Fluid Mech. 882, A13 (2020).
Copyright © 2019 by Cambridge University Press. With permission.㸧ࡀ㸪஘ὶࢆྵࡵࡓࡼࡾ」㞧࡞ὶࢀሙ࡟ࡶᑐᛂྍ⬟࡞㝵ᒙᆺ CNN-AE ࡢ㛤Ⓨࡶ⾜ࡗ࡚࠸ࡿ[14]㸬

࡛ᚓࡽࢀࡓపḟඖ⾲⌧ࡢ⌮ゎ࡟ࡶὀ┠ࡍࡿ㸬ࡇࢀࡽࡢ┠ⓗࢆ㐩ᡂࡍࡿࡓࡵ㸪࣮ࣔࢻศゎ CNN-AE㸦Mode
decomposing CNN-AE, MD-CNN-AE㸧࡜࿧ࡤࢀࡿ㸪పḟඖ࣋ࢡࢺࣝࢆྍど໬ࡍࡿ㠀⥺ᙧ࣮ࣔࢻศゎἲࢆᥦ᱌ࡋࡓ[11]㸬ලయⓗ࡟ࡣ㸪ࡲࡎ CNN-AE ࡢᕥഃ㒊ศ㸦CNN ࢚ࣥࢥ࣮ࢲ㸧ࢆ⏝࠸࡚෇ᰕ࿘ࡾὶࢀࢆ
₯ᅾ✵㛫࡟࠾ࡅࡿ 2 ࡘࡢ㠀⥺ᙧ࣮ࣔࢻ࡟పḟඖ໬ࡋ㸪ࡇࢀࡽ 2 ࡘࡢ㠀⥺ᙧ࣮ࣔࢻࡑࢀࡒࢀ࡟ᑐࡋࢹ࣮
ࢱࢆ࢜ࣜࢪࢼࣝࡢḟඖ࡟෌᚟ඖࡍࡿ CNN ࢹࢥ࣮ࢲࢆ‽ഛࡍࡿࡇ࡜࡛㸪ྛ࣮ࣔࢻ࡟ᑐᛂࡍࡿὶࢀሙࢆ≀⌮✵㛫࡛ྍど໬ࡍࡿ㸬ࡲࡎ㸪MD-CNN-AE ࡟ྵࡲࢀࡿάᛶ໬㛵ᩘࢆ඲࡚⥺ᙧ࡞ࡶࡢ࡜ࡋ㸪ᚑ᮶ࡢ⥺ᙧ⌮ㄽ࡟ᇶ࡙ࡃ⦰⣙ᡭἲ࡛࠶ࡿᅛ᭷┤஺ศゎ㸦Proper orthogonal decomposition,
POD㸧࡜ࡢẚ㍑ࢆ⾜ࡗࡓ࡜ࡇࢁ㸪CNN-AE ࡣᇶᮏⓗ࡟ࡣ POD ࡜➼౯ࡢ᧯సࢆ⾜ࡗ࡚࠸ࡿࡇ࡜ࡀ♧၀ࡉࢀࡓ㸬ຍ࠼࡚㸪㠀⥺ᙧάᛶ໬㛵ᩘࢆ MD-CNN-AE ࡟౑⏝ࡍࡿࡇ࡜࡛㸪POD ࡼࡾࡶప࠸෌ᵓᡂㄗᕪࢆ♧ࡋ㸪㠀⥺ᙧάᛶ໬㛵ᩘࡀᅽ⦰ᛶ⬟ࢆྥୖࡉࡏ࡚࠸ࡿࡇ࡜ࡀほᐹࡉࢀࡓ㸬ᮏ◊✲࡛ࡢ MD-CNN-AE ࡛ࡣᚓࡽࢀࡓ㠀⥺ᙧ࣮ࣔࢻࢆྍど໬ࡍࡿࡇ࡜ࡀྍ⬟࡛࠶ࡾ㸪ᚓࡽࢀࡓ 2 ࡘࡢ㠀⥺ᙧ࣮ࣔࢻ࠿ࡽ෌ᵓ⠏ࡉࢀࡓሙ࡟ᑐࡋ POD ࢆ⾜࠺࡜㸪ᅗ 2 ࡟♧ࡍ㏻ࡾ㠀⥺ᙧ࣮ࣔࢻ࡟ࡣ」ᩘࡢ⥺ᙧ POD ࣮ࣔࢻࡀෆໟࡉࢀ࡚࠸
ࡿࡇ࡜ࡀ☜ㄆ࡛ࡁࡓ㸬ࡇࢀࡽࡢ⤖ᯝࡼࡾ㸪CNN-AEࢆ⏝࠸ࡿࡇ࡜࡛㸪ὶࢀሙࡢపḟඖ໬ཬࡧ≉ᚩᢳฟࡀྍ⬟࡛࠶ࡿࡢࡳ࡞ࡽࡎ㸪ᚑ᮶ࡢ⥺ᙧ POD ࣮ࣔࢻ࡜ࡢゎ㔘ྍ⬟࡞㛵ಀࢆ⥔ᣢࡍࡿࡇ࡜ࡀྍ⬟࡛࠶ࡿࡇ࡜ࡀ♧ࡉࢀࡓ[11]㸬
࡞࠾㸪ᮏ◊✲࡛ࡣ㠀ᐃᖖᒙὶࡢࡳࢆᑐ㇟࡜ࡋࡓ

ఏ⇕ 2021 ᖺ 10 ᭶㸲㸬ࢫࣃ࣮ࢫᅇᖐࢆ⏝࠸ࡓపḟඖὶࢀሙ⾲⌧࡟ᑐࡍࡿᨭ㓄᪉⛬ᘧࡢᑟฟ
CNN-AE ࢆ⏝࠸ࡿࡇ࡜࡛㧗⮬⏤ᗘࡢὶࢀሙࢹ࣮
ࢱࢆᩘಶࡢ࣮ࣔࢻ࡛ຠ⋡ⓗ࡟⾲⌧ྍ⬟࡛࠶ࡿࡇ࡜
ࡀࢃ࠿ࡗࡓࡓࡵ㸪ḟ࡟ࡑࢀࡽࡢ᫬㛫Ⓨᒎࢆ㸪ࢫࣃ࣮ࢫᅇᖐᡭἲࢆ⏝࠸ࡿࡇ࡜࡟ࡼࡾ㸪ᖖᚤศ᪉⛬ᘧࡢᙧ࡛ᚓࡿࡇ࡜ࢆ⪃࠼ࡿ[12]㸬ὶࢀሙࡢࢲ࢖ࢼ࣑ࢡࢫࡀ
పḟඖ㸪࠿ࡘࢩࣥࣉࣝ࡞ᨭ㓄᪉⛬ᘧࡢᙧ࡛ᚓࡽࢀࡿ
ࡇ࡜ࡣ㸪ᚑ᮶ࡢไᚚ⌮ㄽ࡜ࡢ⤌ࡳྜࢃࡏࢆྍ⬟࡜ࡍࡿࡓࡵ㸪ࡇࡢᖖᚤศ᪉⛬ᘧࡢᑟฟࡣ㸪ࢹ࣮ࢱ㥑ືᆺࡢὶࢀไᚚࡢᐇ⌧࡟ྥࡅࡓᴟࡵ࡚㔜せ࡞ࢫࢸࢵࣉ

ᅗ 3 CNN-AE ཬࡧ SINDy ࢆ⏝࠸ࡓ㠀⥺ᙧ࣮ࣔࢻࡢᨭ㓄᪉⛬ᘧࡢグ㏙ [12]. ᨭ㓄᪉⛬ᘧ࠿ࡽᚓࡽࢀࡿ࣮ࣔࢻಀᩘࡢ㌶㊧ཬࡧ CNN ࢹࢥ࣮ࢲ࡜
⤌ࡳྜࢃࡏࡓ㝿࡟෌ᵓ⠏ࡉࢀࡓὶࢀሙࡶ♧ࡍ㸬㸦CC BY 4.0㸧- 13 -J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ

ᅗ 4 CNN-AE/SINDy ࢆ⏝࠸ࡓ⦰⣙ࣔࢹࣝ࡟ࡼࡿ₯ᅾ✵㛫࡛ࡢὶࢀไᚚ๎タィࡢᴫ␎[13].
࡛࠶ࡿ࡜ゝ࠼ࡿ㸬
ୖ㏙ࡢ෇ᰕ࿘ࡾὶࢀ࠿ࡽᚓࡽࢀࡓ 2 ࡘࡢ࣮ࣔࢻ
ಀᩘ࡟ᑐࡋ㸪Sparse identification of nonlinear dynamics
㸦SINDy㸧[15]࡜࿧ࡤࢀࡿࢫࣃ࣮ࢫᅇᖐࢆ᪋ࡍࡇ࡜࡛㸪ᅗ 3 ࡟♧ࡍࡼ࠺࡞ࢩࣥࣉࣝ࡞ᖖᚤศ᪉⛬ᘧࢆᑟฟࡍࡿࡇ࡜ࡀྍ⬟࡛࠶ࡿ㸬ᚓࡽࢀࡓ᪉⛬ᘧࢆ෌ᗘᩘ್
✚ศࡋ㸪CNN ࢹࢥ࣮ࢲࢆ⏝࠸࡚≀⌮✵㛫࡟࠾ࡅࡿὶࢀሙࢆ෌ᵓ⠏ࡍࡿࡇ࡜ࡶྍ⬟࡛࠶ࡿࡓࡵ㸪ࡇࢀࡣᚑ᮶ࡢ㧗ゎീࢩ࣑࣮ࣗࣞࢩࣙࣥࡢ௦᭰࡜࡞ࡿ⦰⣙ࣔࢹࣝ࡜ࡋ࡚ࡶ฼⏝࡛ࡁࡿ㸬ᐇ㝿࡟෌ᵓ⠏ࡉࢀࡓὶࢀሙ㸦ᅗ୰ࡢ CNN-SINDy㸧ࡀ┤᥋ᩘ್ࢩ࣑࣮ࣗࣞ
ࢩࣙࣥ࠿ࡽᚓࡽࢀࡓ⤖ᯝ ᅗ୰ࡢ DNS ࡜ᐃᛶⓗ࡟Ⰻ࠸୍⮴ࢆ♧ࡋ࡚࠸ࡿࡇ࡜࠿ࡽࡶ㸪㠀⥺ᙧ CNN-AE࣮ࣔࢻ࠿ࡽᚓࡽࢀࡓࢃࡎ࠿ 2 ኚᩘࡢ᪉⛬ᘧࡀ㸪㧗ḟඖࡢࢲ࢖ࢼ࣑ࢡࢫࢆຠ⋡ࡼࡃ⾲⌧ࡋ࡚࠸ࡿࡇ࡜ࡀ
♧၀ࡉࢀࡿ㸬࡞࠾㸪ᮏ✏࡛ࡣ๭ឡࡍࡿࡀ㸪෇ᰕ࿘ࡾࡢ㑄⛣ὶࡢࡼ࠺࡞ ࡢᡂ㛗㐣⛬ࢆྵࡴሙྜ࡛ࡶ㸪ᮏᡭἲࢆ⏝࠸ࡿࡇ࡜࡛ࢫࣃ࣮ࢫ࡞グ㏙ࢆᚓࡽࢀࡿࡇ࡜ࢆ☜ㄆࡋ࡚࠾ࡾ㸪ࡲࡓ஘ὶ࡛࠶ࡗ࡚ࡶ㸪᪤࡟ᑡᩘࡢ㠀⥺ᙧ࣮ࣔࢻ࡟ศゎࡉࢀࡓ 9 ᪉⛬ᘧࡏࢇ᩿ὶࣔࢹࣝࡢࡼ࠺
࡞ࣔࢹࣝ஘ὶሙ࡟ᑐࡋ࡚ࡣ㸪ᨭ㓄᪉⛬ᘧࡀ෌⌧࡛ࡁࡿࡇ࡜ࢆ☜࠿ࡵ࡚࠸ࡿ[12]
㸳㸬₯ᅾ✵㛫࡟ᇶ࡙ࡃὶࢀไᚚࡢྍ⬟ᛶ௨ୖࡢ⤖ᯝࡼࡾ㸪CNN-AE ࢆ⏝࠸࡚ᚓࡽࢀࡓὶࢀ
ሙࡢపḟඖ⾲⌧࡟㛵ࡍࡿᨭ㓄᪉⛬ᘧࡀᚓࡽࢀࡿࡇ
࡜ࡀࢃ࠿ࡗࡓࡓࡵ㸪᭱ᚋ࡟ࡑࡢᨭ㓄᪉⛬ᘧ࡜ไᚚ⌮ఏ⇕ 2021 ᖺ 10 ᭶

- 14 -

ㄽࢆ⤌ࡳྜࢃࡏࡓ㸪ࢹ࣮ࢱ㥑ືᆺὶࢀไᚚ࡬ࡢᛂ⏝౛[13]ࢆ⤂௓ࡍࡿ㸬๓⠇࡜ྠᵝ࡟ ReD = 100 ࡢ෇ᰕ࿘ࡾὶࢀࢆᑐ㇟࡜
ࡍࡿࡀ㸪ࡇࡇ࡛ࡣᅗ 4 ࡢ୰ኸ㒊࡟♧ࡍࡼ࠺࡟㸪෇ᰕ⾲㠃࡛ࡢ྿ฟࡋ㸭྾㎸ࡳไᚚࢆ⏝࠸ࡿࡇ࡜࡛ ᨺฟࢆᢚไࡍࡿࡇ࡜ࢆ⪃࠼ࡿ㸬ࡲࡎ CNN-AE ࡢカ⦎ࢹ࣮ࢱ࡜ࡋ࡚㸪ᵝࠎ࡞྿ฟࡋ㸭྾㎸ࡳᙉᗘ m ࡟ࡼࡾไᚚࡉࢀࡓ DNS ࢹ࣮ࢱࢆ⏝ពࡋ㸪ᵝࠎ࡞ไᚚሙ
࡟㐺ᛂࡋࡓ CNN-AE ࢆసᡂࡍࡿ㸬ὶࢀሙࢆୖ㏙ࡢ
㆟ㄽ࡜ྠᵝ࡟㸪2 ࡘࡢኚᩘ࡟෗ീࡋࡓᚋ㸪ไᚚኚᩘm ࢆຍ࠼࡚ࢫࣃ࣮ࢫᅇᖐࢆ⾜࠺ࡇ࡜࡛㸪ไᚚኚᩘࡢ
ຍࢃࡗࡓ₯ᅾ✵㛫࡟࠾ࡅࡿᨭ㓄᪉⛬ᘧࢆᑟฟࡍࡿ
ࡇ࡜ࡀྍ⬟࡛࠶ࡿ㸬ᮏ◊✲࡛ࡣ㸪ࡇࡇ࡛ᚓࡽࢀࡓᖖᚤศ᪉⛬ᘧ࡟ᑐࡋ㸪ᗙᶆኚ᥮ࢆ⏝࠸ࡓ⥺ᙧ໬ࢆ᪋ࡋ㸪᭱㐺ไᚚ⌮ㄽࢆ㐺⏝ࡋࡓ㸬ᅗ 5 ࡟♧ࡍ㏻ࡾ㸪₯ᅾ✵㛫࡟࠾ࡅࡿ㌶㊧ࢆ
ཎⅬ࡟཰᮰ࡉࡏࡿࡼ࠺࡞ไᚚࢆ⾜࠺ࡇ࡜࡛㸪 ᨺฟࡀᢚไࡉࢀࡿࡇ࡜ࢆ☜ㄆࡋ࡚࠸ࡿ㸬⌧ᅾ㸪≀⌮✵㛫࡟࠾ࡅࡿไᚚᡭἲࡢጇᙜᛶࡢ᳨ドࡸ㸪ࡼࡾ」㞧࡞ὶࢀ࡬ࡢ㐺⏝࡜ὶࢀไᚚ࡟㐺ࡋࡓ CNN-AE ࡢᨵⰋࢆ⾜ࡗ࡚࠸ࡿ㸬㸴㸬⤖ゝᮏ✏࡛ࡣ➹⪅ࡢࢢ࣮ࣝࣉ࡛⾜ࡗ࡚ࡁࡓᶵᲔᏛ⩦ࡢὶయຊᏛ࡬ࡢᛂ⏝ࡢ࠺ࡕ㸪ὶࢀไᚚ࡟ྥࡅࡓ
CNN-AE ࡟ࡼࡿὶࢀሙࡢపḟඖ໬࠾ࡼࡧࡑࡢ≉ᚩᢳฟ࡟㛵ࡍࡿ◊✲ࡢ୍㒊ࢆ⤂௓ࡋࡓ㸬ࡇࡇ࡛ࡣ㠀ᐃᖖᒙὶ࡟ᑐࡍࡿ⤖ᯝࢆ⤂௓ࡋࡓࡀ㸪≧ែ᥎ᐃࡸ⦰⣙J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ
[7] Fukami, K. et al., Model order reduction with neuralnetworks: Application to laminar and turbulent
flows, SN Comput. Sci., 2 (2021) 467.
[8] Hasegawa, K. et al., Machine-learning-based
reduced-order modeling for unsteady flows aroundbluff bodies of various shapes, Theor. Comput. Fluid
Dyn., 34 (2020) 367-383.
[9] Hasegawa, K. et al., CNN-LSTM based reducedorder modeling of two-dimensional unsteady flows
around a circular cylinder at different Reynolds
ᅗ 5 ₯ᅾ✵㛫࡛ࡢ≧ែࣇ࢕࣮ࢻࣂࢵࢡไᚚ[13].
ࣔࢹࣝ࡟㛵ࡋ࡚ࡣ஘ὶ࡬ࡢᛂ⏝࡟ᑐࡋ࡚ࡶ◊✲ࢆ㐍ࡵ࡚࠾ࡾ[16-18]㸪ࡑࢀࡽ࡜⤌ࡳྜࢃࡏࡿࡇ࡜࡛㸪㠉᪂ⓗ࡞ὶࢀไᚚࡢᵓ⠏ࢆ┠ᣦࡋ࡚࠸ࡿ㸬௒ᚋࡢࡉࡽ࡞ࡿ◊✲ࡢⓎᒎ࡟ᮇᚅࡋ࡚㡬ࡁࡓ࠸.
ㅰ㎡ᮏ✏࡛⤂௓ࡋࡓὶࢀሙࡢపḟඖ໬࠾ࡼࡧࡑࡢὶ
ࢀไᚚ࡬ࡢᛂ⏝࡟㛵ࡍࡿ◊✲ࡣ㸪⛉◊㈝ᇶ┙ AࠕᶵᲔᏛ⩦࡟ࡼࡿ஘ὶࣅࢵࢢࢹ࣮ࢱࡢ≉ᚩᢳฟᡭἲࡢ
ᵓ⠏ࠖ㸦2018~2020 ᖺᗘ㸪ㄢ㢟␒ྕ 18H03758㸧࠾ࡼࡧ㸪⛉◊㈝ᇶ┙ SࠕᶵᲔᏛ⩦ࢆά⏝ࡋࡓ㠉᪂ⓗὶࢀไᚚࣃࣛࢲ࢖࣒ࡢ๰ฟ࡜ᐇ㊶ࠖ㸦2021~2025 ᖺᗘ㸪ㄢ㢟␒ྕ 21H05007㸧ࡢ⿵ຓࢆཷࡅࡓࡶࡢ࡛࠶ࡿ㸬ຍ࠼࡚㸪◊✲ศᢸ⪅࣭◊✲༠ຊ⪅ࡢඛ⏕᪉㸪ཬࡧ◊✲ᐊᏛ⏕࣭༞ᴗ⏕࡟῝ࡃឤㅰࡋࡲࡍ㸬ཧ⪃ᩥ⊩[1] ᶵᲔᏛ⩦ࡢ࣮࣌ࢪ㸪៞᠕⩏ሿ኱Ꮫ⌮ᕤᏛ㒊࣭῝₲ ◊ ✲ ᐊ , https://kflab.jp/ja/index.php?21H05007
㸦᭱⤊㜀ぴ᪥: 2021 ᖺ 7 ᭶ 31 ᪥㸧.
[2] ῝₲ ᗣ஧ ࡯࠿㸪ᶵᲔᏛ⩦ࢆ⏝࠸ࡓ஘ὶࡢ≉ᚩᢳฟᡭἲࡢᵓ⠏࡟ྥࡅ࡚㸪࡞ࡀࢀ㸪37 (2018) 524-527.
[3] ῝₲ᗣ஧㸪῝ぢ㛤㸪ᶵᲔᏛ⩦ࢆ⏝࠸ࡓ஘ὶࣅࢵ ࢢ ࢹ ࣮ ࢱ ゎ ᯒ ࡟ ྥ ࡅ ࡚ 㸪 ィ ࡜ ไ ᚚ 㸪 59,(2020) 571-576.
[4] ῝₲ᗣ஧㸪ᶵᲔᏛ⩦ࡢ஘ὶ࡬ࡢᛂ⏝㸪᪥ᮏᶵᲔᏛ఍ㄅ㸪124-1232 (2021) 10-13.
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[11] Murata, T. et al., Nonlinear mode decomposition
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[12]Fukami, K. et al., Sparse identification of nonlinear
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313 (2004) 504-507.

ఏ⇕ 2021 ᖺ 10 ᭶

- 15 -J. HTSJ, Vol. 60, No. 253

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ఏ⇕࣐ࢸࣜ࢔ࣝࢬ࣭࢖ࣥࣇ࢛࣐ࢸ࢕ࢡࢫࡢ㐍ᒎProgress in Materials Informatics for Heat Transfer

ሷぢ ῟୍㑻㸦ᮾி኱Ꮫ㸧
Junichiro SHIOMI (The University of Tokyo)
 e-mail: shiomi@photon.t.u-tokyo.ac.jp㸯㸬ࡣࡌࡵ࡟
ఏ⇕ࢩࢫࢸ࣒ࡢᛶ⬟ࡣᮦᩱࡢᛶ⬟࡟ᙉࡃ౫Ꮡࡋ㸪ࡲࡓᮦᩱࡀ㠉᪂ࡉࢀࡿ࡜ࡑࢀ࡟ྜࢃࡏ࡚᭱㐺࡞ࢩࢫࢸ࣒ࡢᙧែࡀኚࢃࡾᚓࡿࡇ࡜࠿ࡽ㸪ᮦᩱ࠿ࡽࢩࢫ
ࢸ࣒ࡲ࡛ࢆ୍㈏ࡋ࡚◊✲ࡍࡿ࢔ࣉ࣮ࣟࢳࡀ୍⯡ⓗ࡟࡞ࡗ࡚ஂࡋ࠸㸬ᮦᩱ㛤Ⓨࡣᚑ᮶㸪⤒㦂๎࡟ࡶ࡜࡙
࠸࡚⾜ࢃࢀࡿࡇ࡜ࡀከ࠿ࡗࡓࡀ㸪㏆ᖺ㸪ࢼࣀࢸࢡࣀ
ࣟࢪ࣮࡟ࡼࡗ࡚ࢼࣀᵓ㐀ࡢస〇㸪ゎᯒ㸪≀ᛶホ౯ᢏ⾡ࡀⓎᒎࡋ㸪ᣦᑟཎ⌮࡟ࡶ࡜࡙࠸ࡓᮦᩱタィࡀ࡛ࡁࡿࡼ࠺࡟࡞ࡗ࡚ࡁ࡚࠾ࡾ㸪ཎ⌮࠿ࡽ✚ࡳୖࡆ࡚࠸ࡃ
࣐࢖ࣥࢻࢆ᭷ࡍࡿᶵᲔᕤᏛࡢ◊✲⪅ࡶᗈࡃ㈉⊩ࡋ࡚࠸ࡿ㸬ࡋ࠿ࡋ㸪ࣃ࣓࣮ࣛࢱࡢከࡉ࠿ࡽࡑࢀ࡛ࡶᮍ
ࡔ࡟ヨ⾜㘒ㄗࢆ୰ᚰ࡟㐍ࡵࡽࢀ࡚࠸ࡿࡢࡀ⌧≧࡛࠶ࡾ㸪ከࡃࡢᢏ⾡࡟࠾࠸࡚ᮦᩱ㛤Ⓨࡀᚊ㏿࡟࡞ࡗ࡚࠸ࡿࡇ࡜ࡣྰࡵ࡞࠸㸬ᚑࡗ࡚㸪ࡑࢀࢆຍ㏿ࡉࡏࡿᡭἲࡢ㛤ⓎࡣᕤᏛࡢࡉࡽ࡞ࡿⓎᒎ࡬ࡢ᰿ᖿⓗ࡞ㄢ㢟࡛࠶ࡿ࡜ゝ࠼ࡿ㸬ࡑࡢࡼ࠺࡞୰࡛㸪㏆ᖺ㸪ᮦᩱ㛤Ⓨࢆ㧗㏿໬ࡍࡿࡓࡵ࡟㸪ᮦᩱࢹ࣮ࢱࢆ᝟ሗ⛉Ꮫⓗᡭἲ࡟ࡼࡗ࡚ྲྀᢅ࠺
ࡇ࡜࡛㸪ຠ⋡ⓗ࡟ᮦᩱ㛤Ⓨࢆ⾜࠺࣐ࢸࣜ࢔ࣝࢬ࣭࢖
ࣥࣇ࢛࣐ࢸ࢕ࢡࢫ㸦MI㸧ࡀ┒ࢇ࡟⾜ࢃࢀࡿࡼ࠺࡟࡞
ࡗࡓ㸬ඛ⾜ࡋ࡚࠸ࡿࣂ࢖࣭࢜࢖ࣥࣇ࢛࣐ࢸ࢕ࢡࢫ࡛
ᐇ㊶ࡉࢀ࡚ࡁࡓᡭἲࢆᮦᩱ࡟㐺⏝ࡋࡓࡶࡢࡀከ࠸
ࡀ㸪MI ࡀ㏆ᖺᛴ㏿࡟Ⓨᒎࡋ࡚࠸ࡿ⫼ᬒ࡟ࡣ㸪ᶆ‽ⓗ࡞➨୍ཎ⌮ィ⟬ࢶ࣮ࣝࡸ⮬ືᐇ㦂ࡢⓎᒎ࡞࡝࡟ࡼࡗ࡚㸪ᮦᩱࡢࢹ࣮ࢱ࣮࣋ࢫࡀ㔞ⓗ࡟ࡶ㉁ⓗ࡟ࡶྥୖࡋ࡚ࡁࡓࡇ࡜ࡀ࠶ࡿ㸬ᮦᩱࢹ࣮ࢱ࣮࣋ࢫ࡟ࡘ࠸࡚
ࡣ MI ◊✲ࡢ኱ᆺࣉࣟࢪ࢙ࢡࢺ㸦Materials Genome
Initiative㸧࡟࠸ࡕ᪩ࡃྲྀࡾ⤌ࢇࡔ⡿ᅜࡀ࣮ࣜࢻࡋ࡚
࠾ࡾ Material Project㸪 AFLOW㸪ICSD㸪OQMD ࡞࡝࣓ࢪ࣮ࣕ࡞ࡶࡢࡀከ࠸ࡀ㸪ᅜෆ࡛ࡶ≀㉁࣭ᮦᩱ◊✲ᶵᵓࡢ AtomWorks-Adv ࢆࡣࡌࡵࢹ࣮ࢱ࣮࣋ࢫࡀ
඘ᐇࡋ࡚ࡁ࡚࠸ࡿ㸬ࡇࢀ࡟ࡼࡗ࡚㸪ㄡࡶࡀ⮬⏤࡟ィ⟬࣭ᐇ㦂ࢹ࣮ࢱࢆά⏝ࡍࡿ⎔ቃࡀᩚ࠼ࡽࢀ࡚ࡁ࡚࠾ࡾ㸪ࢹ࣮ࢱ࣮࣋ࢫ
ࢆά⏝ࡋ࡚ᶵᲔᏛ⩦ࢆ㐺⏝ࡋ㸪㧗㏿࡞┦ᅗࡢỴᐃ㸪ఏ⇕ 2021 ᖺ 10 ᭶ᮦᩱ≀ᛶࡢண 㸪ຠ⋡ⓗ࡞ࣉࣟࢭࢫไᚚ࡞࡝ࡢ MI◊✲ࡀ㐍ࡵࡽࢀ࡚࠸ࡿ㸬MI ࡣ㸪ᮦᩱ㛤Ⓨ࡟࠾࠸࡚
せồࡉࢀࡿከᵝ࡞ᶵ⬟ࡢᐇ⌧࡟ᑐࡋ࡚ᗈࡃά⏝࡛ࡁࡿྍ⬟ᛶࡀ࠶ࡾ㸪ᖜᗈ࠸ศ㔝࡛㔜せᛶࢆᣢࡘ㸬ᮾி኱Ꮫ࣭⇕࢚ࢿࣝࢠ࣮ᕤᏛ◊✲ᐊ࡛ࡣ㸪ඹྠ◊✲⪅ࡽ࡜࡜ࡶ࡟㸪6 ᖺ⛬๓࠿ࡽఏ⇕ᮦᩱ࡟ MI ࢆ㐺⏝ࡍࡿ◊✲ࢆ㐍ࡵ࡚ࡁࡓ㸬ࡁࡗ࠿ࡅࡣ㸪᝟ሗ⤫ྜᆺ≀㉁࣭ᮦᩱ㛤Ⓨ࢖ࢽࢩ࢔ࢸ࢕ࣈ(Mi2i)࡜࠸࠺ JST ࡢࣉࣟࢪ࢙ࢡࢺ㸦2015~2020㸧࡛࠶ࡾ㸪㟁ụᮦᩱ㸪☢
ᛶᮦᩱ㸪ఏ⇕ᮦᩱࡢ 3 ࡘࡢฟཱྀ࡟ᑐࡋ࡚ MI ◊✲ࢆ᥎㐍ࡍࡿேᮦࣁࣈⓗ࡞ࣉࣟࢪ࢙ࢡࢺ࡛࠶ࡗࡓࡀ㸪ఏ⇕ᮦᩱࡣᛮ࠸ࡢእ MI ࡜ࡢぶ࿴ᛶࡀⰋࡃ㸪ᙜ᫬ୡ⏺
ⓗ࡟ࡶ௚ࡢ≀ᛶ࡜ẚ㍑ࡍࡿ࡜ᐇ᪋౛ࡀᑡ࡞࠿ࡗࡓ
ࡇ࡜ࡶ࠶ࡾ㸪
ᙜヱࣉࣟࢪ࢙ࢡࢺ࡛ᵝࠎᡂᯝࡀୖࡀࡗࡓ㸬ᑐ㇟࡜ࡋ࡚ࡁࡓࡢࡣ㸪㧗/ప⇕ఏᑟ⋡ࡢ⇕㍺㏦㸪㧗
ᛶ⬟ࡢ⇕㟁ኚ᥮㸪Ἴ㛗㑅ᢥᆺࡢ⇕㍽ᑕ࡞࡝࡛࠶ࡿࡀ㸪ࡑࢀࡒࢀ㸪㟁Ꮚᶵჾࡸගࢭࣥࢧࡢ⇕࣐ࢿ࣮ࢪ࣓ࣥࢺ㸪
IoT ࡢࢭࣥࢧ࣭㏻ಙࢹࣂ࢖ࢫࡢ⮬❧㟁※㸪⇕㍽ᑕ෭༷࡟ࡼࡿ✵ㄪࡢ┬࢚ࢿ࡞࡝ࡢ♫఍ⓗ࡞ࢽ࣮ࢬ࡟࿧
ᛂࡋࡓࡶࡢ࡛ࡶ࠶ࡿ㸬ᐇ᪋ࡋࡓ MI ◊✲ࡢ࢔ࣉ࣮ࣟࢳࢆ኱ูࡍࡿ࡜㸪ࢹ࣮ࢱ࣮࣋ࢫࢆ฼⏝ࡋ࡚᪤Ꮡࡢࣂࣝࢡᮦᩱ࠿ࡽࢱ࣮
ࢤࢵࢺ≀ᛶ࡟ඃࢀࡓࡶࡢࢆ᥈⣴ࡍࡿࣁ࢖ࢫ࣮ࣝࣉ
ࢵࢺࢫࢡ࣮ࣜࢽࣥࢢ࡜㸪᭱㐺໬ᡭἲ࡟ࡼࡾࢱ࣮ࢤࢵ
ࢺ≀ᛶࢆ᭱㐺࡟ࡍࡿᮍ▱ࡢࢼࣀᵓ㐀ࢆタィࡍࡿ᭱㐺ࢼࣀᵓ㐀タィࡀ࠶ࡾ㸪ᮏ✏࡛ࡣࡑࢀࡽ 2 ࡘ࡟ࡘ࠸࡚㸪஦౛ࢆ⤂௓ࡍࡿ㸬㸰㸬ప㧗⇕ఏᑟ⋡⤖ᬗࡢ᥈⣴ ప⇕ఏᑟ⋡⤖ᬗࡢࢫࢡ࣮ࣜࢽࣥࢢ
ࡲࡎ᭱ࡶ࣮࢜ࢯࢻࢵࢡࢫ࡞ MI ࡢ࢔ࣉ࣮ࣟࢳ࡜ࡋ
࡚ࡣ㸪ࣁ࢖ࢫ࣮ࣝࣉࢵࢺࢫࢡ࣮ࣜࢽࣥࢢࡀ࠶ࡿ㸬ࡇࢀࡣࣂ࢖࣭࢜࢖ࣥࣇ࢛࣐ࢸ࢕ࢡࢫ࡛ከ⏝ࡉࢀ࡚ࡁࡓ
ᡭἲ࡛࠶ࡿࡀ㸪ᮦᩱࡢࢹ࣮ࢱ࣮࣋ࢫࡀ඘ᐇࡋ࡚ࡁࡓ
㸦≉࡟ィ⟬⛉Ꮫ࡟ࡼࡿࡶࡢ㸧ࡇ࡜ࢆࡁࡗ࠿ࡅ࡟㸪ゐ፹స⏝㸪㟁ụᢏ⾡㸪⇕㟁ᮦᩱ㸪໬Ꮫࣉ࣮ࣟࣈ㸪࣏ࣜ- 16 -J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ
࣐࣮㸪☢ᛶᮦᩱ࡞࡝ࡢከࡃࡢศ㔝࡛ᐇ㊶ࡉࢀ࡚ࡁࡓ㸬ఏ⇕ᮦᩱ࡟ࡘ࠸࡚ࡣ㸪⇕㟁ኚ᥮ࢆᛕ㢌࡟ప⇕ఏᑟ⤖ᬗ໬ྜ≀ࡢ᥈⣴࡟㛵ࡍࡿ◊✲ࡀࡼࡃ⾜ࢃࢀ࡚࠾ࡾ㸪ඛ㥑ⓗ࡞◊✲࡜ࡋ࡚ࡣ㸪&DUUHWH ࡽࡀࣛࣥࢲ࣒ࣇ࢛
ࣞࢫࢺᅇᖐ࡟ࡼࡗ࡚  ✀㢮ࡢࣁ࣮ࣇ࣍࢖ࢫࣛ
࣮໬ྜ≀ࢆࢫࢡ࣮ࣜࢽࣥࢢࡋ㸪ཎᏊ༙ᚄせ⣲ࡀ኱ࡁ࠸ᮦᩱࡢ⇕ఏᑟ⋡ࡀప࠸ࡇ࡜ࢆぢฟࡋ࡚࠸ࡿ >@ 㸬ࡲࡓ㸪6HNR ࡽࡣ㸪࢞࢘ࢫ㐣⛬ᅇᖐࢆ⏝࠸࡚ 
✀㢮ࡢ໬ྜ≀ࢆࢫࢡ࣮ࣜࢽࣥࢢࡋ㸪⇕ఏᑟ⋡ࡀ :P. ࢆୗᅇࡿ⤖ᬗ໬ྜ≀ࢆண ࡋ࡚࠸ࡿ>@㸬 ㌿⛣Ꮫ⩦ࢆ⏝࠸ࡓ㧗⇕ఏᑟ⤖ᬗࡢ᥈⣴⇕ఏᑟ⋡ࢆࢱ࣮ࢤࢵࢺ࡟⤖ᬗࢆࢫࢡ࣮ࣜࢽࣥࢢ
ࡍࡿ㝿ࡢ  ࡘࡢㄢ㢟ࡣ㸪༢⤖ᬗ࡛࠶ࡗ࡚ࡶ⇕ఏᑟ⋡ࡢィ⟬࡟ࡣ⤖ᬗ᱁Ꮚ᣺ືࡢ㠀ㄪ࿴ᛶࢆ⪃៖ࡍࡿᚲせࡀ࠶ࡿࡇ࡜࠿ࡽ㸪ࡑࡢィ⟬㈇Ⲵࡀ㠀ᖖ࡟኱ࡁࡃ㸪฼⏝ྍ⬟࡞ࢹ࣮ࢱࡀᑡ࡞࠸ࡇ࡜࡛࠶ࡿ㸬࡞࠾㸪ᮏ✏ࡢㄞ⪅ࡣࡈᏑࡌࡢࡼ࠺࡟㸪ᐇ㦂࡟ࡼࡿ⇕ఏᑟ⋡ィࡶࡑࢀ┦ᙜ࡟኱ኚ࡛࠶ࡾ㸪฼⏝࡛ࡁࡿ༢⤖ᬗࡢࢹ࣮ࢱࡣィ⟬ࡢࡑࢀࡼࡾࡶࡉࡽ࡟ᑡ࡞࠸㸬ᶵᲔᏛ⩦ࡣඖ᮶ࠕࣅࢵࢢࢹ࣮ࢱࠖ࡟ᑐࡋ࡚≉࡟ጾຊࢆⓎ᥹ࡍࡿᡭἲ࡛࠶ࡿࡓࡵ㸪ᶵᲔᏛ⩦࡟ᚲせ࡞ࠕࣅࢵࢢࢹ࣮ࢱࠖ
࡜⌧≧࡛฼⏝ྍ⬟࡞ࠕࢫ࣮ࣔࣝࢹ࣮ࢱࠖ࡜ࡢ㛫ࡢࢠࣕࢵࣉࢆᇙࡵࡿࡇ࡜ࡀ㔜せ࡜࡞ࡿ㸬ࡑࡇ࡛㸪ᡃࠎࡣ⇕ఏᑟ⋡ࢆィ⟬ࡍࡿ㐣⛬࡛ồࡵࡿ୰㛫≀ᛶ࡟╔┠ࡋ㸪ࡑࢀࢆ⏝࠸࡚㌿⛣Ꮫ⩦ࢆ㐺⏝ࡍࡿࡇ࡜࡛ࡑࡢࢠࣕࢵࣉࢆᇙࡵࡿヨࡳࢆ⾜ࡗࡓ㸬⤖ᬗࡢ⇕ఏᑟ⋡ࡢィ⟬ࢆࣇ࢛ࣀࣥẼయࣔࢹࣝࡢ⥺ᙧ໬࣎ࣝࢶ࣐ࣥ㍺㏦᪉⛬ᘧ࡟ࡼࡗ࡚ồࡵࡿ࡜㸪⇕ఏᑟ⋡ࡣ࠾࠾ࡼࡑẚ⇕㸪⩌㏿ᗘ㸪⦆࿴᫬㛫ࡢ᥃ࡅ⟬࡛ồࡲࡿ㸬ࡉࡽ࡟㸪⦆࿴᫬㛫ࡣࠕ㠀ㄪ࿴ᛶࡢᙉࡉࠖ࡜㐠ື㔞࡜࢚ࢿࣝࢠ࣮ࡢಖᏑ๎ࢆ‶ࡓࡋ࡞ࡀࡽࣇ࢛ࣀ࣭ࣥᅗ  ໬ྜ≀⤖ᬗࡢ㌿⛣Ꮫ⩦ࡢᶍᘧᅗ>@ఏ⇕  ᖺ  ᭶

ࣇ࢛ࣀࣥᩓ஘ࡀ⏕ࡌᚓࡿࠕᩓ஘఩┦✵㛫ࠖ࠿ࡽ࡞ࡿ㸬ᩓ஘఩┦✵㛫ࡣ㸪ᩓ஘ࡋᚓࡿࣇ࢛ࣀ࣮ࣥࣔࢻࡢ⤌ࡳྜࢃࡏࡢᩘ࡛࠶ࡾ㸪್ࡀᑠࡉ࠸࡯࡝ᩓ஘ࡀ⏕ࡌ࡟ࡃࡃ࡞ࡾ㸪⦆࿴᫬㛫ࡀ኱ࡁࡃ࡞ࡿ㸬ࡇࢀࡽࡢ≀ᛶࡢ࠺ࡕ㸪ẚ⇕㸪⩌㏿ᗘ㸪ᩓ஘఩┦✵㛫ࡣࣇ࢛ࣀࣥࡢ≧ែ㸦ศᩓ㛵ಀ㸧ࡔࡅ࠿ࡽồࡵࡽࢀࡿㄪ࿴≀ᛶ࡛࠶ࡿࡇ࡜࠿ࡽィ⟬㈇Ⲵࡀᑠࡉࡃ㸪ẚ㍑ⓗ኱ࡁ࡞ࢹ࣮ࢱࢆ฼⏝࡛ࡁࡿ㸬ࡑࡇ࡛ᩓ஘఩┦✵㛫ࢆࣅࢵࢢࢹ࣮ࢱ࡜ࡋ࡚⏝࠸࡚㸪㌿⛣Ꮫ⩦࡟ࡼࡗ࡚ࢫ
࣮ࣔࣝࢹ࣮ࢱࡋ࠿࡞࠸⇕ఏᑟ⋡ࡢᏛ⩦ࢆ⾜ࡗࡓ㸬ᅗ ࡟ࡑࡢᶍᘧᅗࢆ♧ࡍ㸬ࡇࡢ㝿㸪㟁Ꮚࢹࣂ࢖ࢫࡢᨺ
⇕ᇶᯈࡢ㛤Ⓨࢆᛕ㢌࡟⇕ఏᑟ⋡ࡀ㧗࠸ᮦᩱࢆࢱ࣮
ࢤࢵࢺ࡟ࡋࡓ>@㸬㌿⛣Ꮫ⩦࡟ࡣ㸪⤫ィᩘ⌮◊✲ᡤࡢྜྷ⏣ᩍᤵࡽࡀ㛤Ⓨࡋࡓ ;HQRQ3\>@ࢆ⏝࠸ࡓ㸬ྛ⤖ᬗ໬ྜ≀࡟ᑐࡋ࡚㸪ᵓᡂඖ⣲࡟௜㝶ࡍࡿ  ✀㢮ࡢ≉ᚩ㔞㸦ཎᏊ㉁㔞㸪
㟁Ẽ㝜ᛶᗘ㸪࣡ࣥࢹ࣮ࣝ࣡ࣝࢫ༙ᚄ࡞࡝㸧ࢆ⏝࠸࡚ ࡢ⤖ᬗ໬ྜ≀ࡢᵓ㐀ࡸ⤌ᡂ࡟⏤᮶ࡍࡿᇶ♏ⓗ࡞グ㏙Ꮚࢆᢳฟࡋࡓ㸬࡞࠾㸪ᮏグ㏙Ꮚࡣ௵ពࡢ໬ྜ
≀࡟ࡘ࠸࡚ᢳฟྍ⬟࡛࠶ࡿ㸬ࡇࡢ  ḟඖࡢグ㏙Ꮚ࣋ࢡࢺࣝ࡜㸪ㄪ࿴᱁ᏊືຊᏛ࠿ࡽィ⟬ࡋࡓ  ✀㢮ࡢ⤖ᬗ໬ྜ≀ࡢᩓ஘఩┦✵㛫࡟ࡘ࠸࡚ࣆ࣑ࣛࢵࢻ
ᆺࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ࡟ࡼࡗ࡚஦๓ࢺ࣮ࣞࢽ
ࣥࢢࡋ㸪ᚓࡽࢀࡓฟຊᒙ௨እࡢࢧࣈࢿࢵࢺ࣮࣡ࢡࢆ
㌿⛣㸦≉ᚩᢳฟࡸධຊグ㏙Ꮚࡢఏ㐩㸧ࡋ࡚㸪⇕ఏᑟ⋡ࡢண ࣔࢹࣝࢆࢺ࣮ࣞࢽࣥࢢࡋࡓ㸬⇕ఏᑟ⋡ࡢࢹ࣮ࢱࡣ  ಶࡋ࠿࡞࠸ࡀ㸪ࡼࡾࢹ࣮ࢱࡢከ࠸ᩓ஘఩
┦✵㛫࡛஦๓ࢺ࣮ࣞࢽࣥࢢࡍࡿࡇ࡜࡛㸪ࡼࡾ⢭ᗘࡢ㧗࠸ண ࣔࢹࣝࢆᵓ⠏ࡍࡿࡇ࡜ࡀ࡛ࡁࡿ㸬ᐇ㝿࡟ࡣ ಶࡢࢹ࣮ࢱࡣࣅࢵࢢࢹ࣮ࢱ࡜ࡣ࿧࡭ࡎ㸪ᮏ᮶ࡣࡶࡗ࡜ᩘࢆ኱ࡁࡃࡍࡿ࡭ࡁ࡛࠶ࡿࡀ㸪ࡑࢀ࡟ࡣࡑࢀ
࡞ࡾࡢィ⟬᫬㛫ࡀ࠿࠿ࡿࡓࡵ㸪௒ᅇࡣཎ⌮ᐇド࡜ࡋ࡚ࡇࡢ⛬ᗘ࡟␃ࡵࡓ㸬᭱ᚋ࡟㸪ࡇࡢࣔࢹࣝࢆ⏝࠸࡚
0DWHULDO 3URMHFW ࢹ࣮ࢱ࣮࣋ࢫ࡟࠶ࡿ  ✀㢮ࢆ㉸࠼ࡿ⤖ᬗ໬ྜ≀ࡢᵓ㐀࣭⤌ᡂ᝟ሗࢆࡶ࡜࡟ࢫࢡࣜ
࣮ࢽࣥࢢࡍࡿࡇ࡜࡛㸪㧗⇕ఏᑟ⋡ࡢ⤖ᬗ໬ྜ≀ࢆ᥈⣴ࡋࡓ㸬᭱⤊ⓗ࡟ᚓࡽࢀࡓ⇕ఏᑟ⋡ࡀ㧗࠸࡜ண ࡉࢀࡓࢺࢵࣉ  ࡢ໬ྜ≀ࡢࣜࢫࢺࢆᅗ  ࡟♧ࡍ㸬ᐇ㝿࡟➨୍ཎ⌮ィ⟬࡛☜ㄆࡋࡓ࡜ࡇࢁ㸪%H&㸪&1㸦 ✀ 㢮 ࡢ ᵓ 㐀 㸧㸪 %H&1 ௨ እ ࡢ  ✀ 㢮 ࡣ ᴫ ࡡa:P. ࡢ㠀ᖖ࡟㧗࠸⇕ఏᑟ⋡ࢆ♧ࡋࡓ㸬ࡑࡢከࡃࡀ㉸◳ᮦᩱ࡛࠶ࡾ㸪◳࠸ᮦᩱࡣཎᏊ㛫ࡢ⤖ྜࡀᙉࡃࣇ࢛ࣀࣥ⩌㏿ᗘࡀ኱ࡁ࠸ࡓࡵ㸪୍ぢ⮬࡛᫂࠶ࡿࡼ࠺࡟ࡶᛮࢃࢀࡿ㸬ࡋ࠿ࡋ㸪⩌㏿ᗘࡀ኱ࡁ࠸࡜

-+76-9RO1R

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ
ᅗ    ✀㢮௨ୖࡢೃ⿵࠿ࡽࢫࢡ࣮ࣜࢽࣥࢢ
ࡋࡓ⇕ఏᑟ⋡ࡀ㧗࠸໬ྜ≀⤖ᬗࡢᵓ㐀㸪ࣇ࢛ࣀࣥศᩓ㛵ಀ㸪⦆࿴᫬㛫>@㸬ࣇ࢛ࣀࣥࡢ࿘Ἴᩘᖏࡀᗈࡃ࡞ࡾ㸪ᩓ஘఩┦✵㛫ࡀ኱ࡁࡃ࡞ࡿࡇ࡜ࡀከࡃ㸪◳࠸࠿ࡽ࡜ゝࡗ࡚:P. ࣮࢜ࢲ࣮ࡢ⇕ఏᑟ⋡ࢆ᭷ࡍࡿ࡜ࡣ㝈ࡽࡎ㸪⌧࡟ࡑ࠺࡛࡞࠸ᮦᩱࡀከᩘ࠶ࡿ㸬ࡲࡓ㸪%&1 ࡞࡝⇕ఏᑟ⋡ࡢᩥ⬦࡛ࡲࡔ◊✲ࡉࢀ࡚࠸࡞࠸ᮦᩱࡶ
≉ᐃࡉࢀࡓ㸬ࡉࡽ࡟㸪%$V ࡢࡼ࠺࡟◳ࡃ࡞࠸ᮦᩱࡶ
ࣜࢫࢺ࡟ධࡗ࡚࠸ࡿ㸬%$V ࡣ㏆ᖺ㸪㧗⇕ఏᑟᮦᩱ࡜
ࡋ࡚⤒㦂ⓗ࡟ぢฟࡉࢀ࡚࠾ࡾ>@㸪௒ᅇࡣ᪂ࡋ࠸Ⓨぢ࡜ࡣ࡞ࡽ࡞࠿ࡗࡓࡀ㸪ࡇࡢࡼ࠺࡞≉Ṧ࡞ᮦᩱࡶぢࡘ࠿ࡗࡓࡇ࡜ࡣ 0, ᡭἲࡢ᭷⏝ᛶࢆ♧ࡍࡶࡢ࡛࠶ࡿ㸬࡞࠾㸪%$V ࡣࣇ࢛ࣀࣥࣂࣥࢻ࡟ࢠࣕࢵࣉࢆ᭷ࡋ㸪ࡑࢀ࡟ࡼࡗ࡚ᩓ஘఩┦✵㛫ࡀᑠࡉࡃ࡞ࡿࡇ࡜࡛⇕ఏᑟ⋡ࡀ㧗ࡃ࡞ࡿࡇ࡜ࡀ▱ࡽࢀ࡚࠸ࡿ㸬㸱㸬⇕ఏᑟᮦᩱࡢࢼࣀᵓ㐀᭱㐺໬ ࣋࢖ࢬ᭱㐺໬ࢆ⏝࠸ࡓ᭱㐺タィᡭἲࡢ㛤Ⓨᮏ❶࡛ࡣࢼࣀᵓ㐀ࡢ᭱㐺໬࡟ࡘ࠸࡚⤂௓ࡍࡿ㸬ᮦᩱ⣔࡜ࡋ࡚ࡣ㸪⇕࢟ࣕࣜ࢔ࡢἼ㛗ࡸ఩┦⦆࿴㛗ࡉࡼࡾࡶᑠࡉ࠸ෆ㒊ᵓ㐀ࢆ᭷ࡍࡿࡶࡢࢆᑐ㇟࡜ࡋࡓ㸬ࡘࡲࡾ㸪ࣇ࢛ࣀ࡛ࣥ࠶ࢀࡤ QP ௨ୗ㸦ᐇ㝿ࡣᮦᩱࡸ⎔ቃ࡟ࡼࡿࡢ࡛ཝᐦⓗ࡞㆟ㄽ࡛ࡣ࡞࠸㸧ࡢࢼࣀᵓ㐀ࢆ᭷ࡍࡿᮦᩱ࡛࠶ࡿ㸬ࡑ࠺ࡍࡿࡇ࡜࡛㸪⇕࢟ࣕࣜ࢔ఏ⇕  ᖺ  ᭶

ࡢἼືⓗ࡞≉ᛶࢆ฼⏝ࡍࡿࡇ࡜ࡀ࡛ࡁ㸪⇕㍺㏦ࡢไ
ᚚᛶࡀ㧗ࡲࡿ㸬࣋࢖ࢬ᭱㐺໬ࢆ⏝࠸࡚」ᩘ✀㢮ࡢᮦᩱ㸦ᮦᩱ㸿࡜ᮦᩱ㹀㸧࠿ࡽᡂࡿࢼࣀᵓ㐀ࡢ඲య᭱㐺タィࢆྍ⬟࡟ࡍࡿᡭἲࡢᴫせࢆᅗ  ࡟♧ࡍ>@㸬ࡇࡇ࡛ࡣ㸪ࢼࣀᵓ㐀ࡀ࣮ࣜࢻ࡜࿧ࡤࢀࡿ༙↓㝈㛗ࡢ⇕ᾎ࡟᥋ྜࡉࢀ
ࡓ⣔ࢆ⪃࠼㸪࣮ࣜࢻ㛫ࡢ⇕㍺㏦ࢆཎᏊࢢ࣮ࣜࣥ㛵ᩘἲ࡟ࡼࡗ࡚ィ⟬ࡋ࡚࠸ࡿ㸦࢔ࣉ࣮ࣟࢳࡣỗ⏝ⓗ࡛࠶ࡾ㸪௚ࡢ⣔ࡸ≀ᛶィ⟬ᡭἲ࡛ࡶᵓࢃ࡞࠸㸧㸬ཎᏊࢢ࣮ࣜࣥ㛵ᩘἲ࡛ࡣᕥ࣮ࣜࢻ࠿ࡽྑ࣮ࣜࢻ࡬ࡢࣇ࢛
ࣀࣥࡢ㏱㐣㛵ᩘ㸦ࣇ࢛ࣀࣥࡢྛ࣮ࣔࢻࡀ㏱㐣ࡍࡿ๭ྜࡢྜィ㸧ࢆ୚࠼࡚⇕ఏᑟᗘࢆィ⟬ࡍࡿ㸬ཎᏊࢢ࣮ࣜࣥ㛵ᩘἲ࡜࣋࢖ࢬ᭱㐺໬ࢆ⤌ࡳྜࢃࡏ㸪ண ࣔࢹࣝ࡟ࡼࡾೃ⿵ᵓ㐀ࡢ୰࠿ࡽ㑅ࡤࢀࡓ N ಶ㸦ࡇࡇ࡛ࡣ⤒㦂ⓗ࡟ N  ࡜ࡍࡿ㸧ࡢᵓ㐀ࡢ⇕ఏᑟᗘࢆィ⟬ࡋ㸪ண ࣔࢹࣝࡢᨵၿ࡜ࢹ࣮ࢱ࣮࣋ࢫࡢᵓ⠏ࢆྠ᫬࡟⾜࠺ࡇ࡜࡛㸪᭱㐺ᵓ㐀ࢆྠᐃࡍࡿ㸬࡞࠾㸪ึᮇカ⦎ࢹ࣮ࢱ࡜ࡋ࡚ࡣ㸪ࣛࣥࢲ࣒࡟㑅ࢇࡔ N ಶࡢᵓ㐀ࡢィ⟬ࢹ࣮ࢱࢆ⏝࠸࡚ண ࣔࢹࣝࢆᏛ⩦ࡉࡏࡿ㸬ࡇࡇ࡛㸪࣋࢖ࢬ᭱㐺໬࡟ࡣỗ⏝࣋࢖ࢬ᭱㐺໬ࣛ࢖ࣈࣛ
࡛ࣜ࠶ࡿ &20%2>@ࢆ⏝࠸ࡓ㸬&20%2 ࡛ࡣ 5DQGRPIHDWXUH PDSV ࡜࣋࢖ࢬ⥺ᙧᅇᖐࣔࢹࣝࢆ⤌ࡳྜࢃࡏࡓண ࣔࢹࣝࢆ᥇⏝ࡋ࡚࠾ࡾ㸪࢞࢘ࢫ㐣⛬ࡢ㏆ఝ࡜࡞ࡿண ᛶ⬟ࢆᣢࡘ࡜ྠ᫬࡟㸪ィ⟬㔞ࡣカ⦎ࢹ࣮ࢱᩘ࡟ᑐࡋ࡚⥺ᙧ࡛࠶ࡿ࡞࡝㸪㧗⢭ᗘ࠿ࡘ㧗㏿࡞ணࢆྍ⬟࡟ࡋ࡚࠸ࡿ㸬ࡲࡓ㸪ண ࣔࢹࣝࡢࣁ࢖ࣃ࣮ࣃ
࣓࣮ࣛࢱࡣ⮬ືⓗ࡟ࢳ࣮ࣗࢽࣥࢢࡉࢀࡿࡓࡵ㸪㠀ᑓ㛛ᐙ࡛ࡶᐜ᫆࡟ᢅ࠺ࡇ࡜ࡀฟ᮶ࡿ㸬ࡲࡎ㸪ᮏᡭἲࡢ᭷⏝ᛶࢆ♧ࡍ࡭ࡃ㸪ࢩࣜࢥࣥ㸦6L㸧
ࡢ࣮ࣜࢻ࡟ᣳࡲࢀࡓᴟⷧ⭷ࡢ༙ศࢆ 6L㸪ࡶ࠺༙ศࢆ
ࢤ࣐ࣝࢽ࣒࢘㸦*H㸧࡜ࡍࡿሙྜ࡟㸪⇕ఏᑟᗘࡀ᭱኱
࠶ࡿ࠸ࡣ᭱ᑠ࡟࡞ࡿᵓ㐀ࢆྠᐃࡍࡿၥ㢟࡟ྲྀࡾ⤌ᅗ  ⇕㍺㏦≀ᛶィ⟬࡜ᶵᲔᏛ⩦ࢆ⤌ࡳྜࢃࡏ࡚
⇕ఏᑟᗘࢆ᭱ᑠ໬࠶ࡿ࠸ࡣ᭱኱໬ࡍࡿᡭἲࡢࣇࣟ
࣮ࢳ࣮ࣕࢺ>@㸬-+76-9RO1R

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ
ࢇࡔ㸬᩿㠃᪉ྥ࡟࿘ᮇቃ⏺᮲௳ࢆ㐺⏝ࡋ㸪 ಶࡢཎᏊ࠿ࡽᵓᡂࡉࢀࡿ࣑ࢽ࣐ࣝ࡞⣔࡜ࡍࡿࡇ࡜࡛㸪඲ೃ⿵ᵓ㐀ᩘࡣ  ಶ࡜࡞ࡿࡀ㸪⣔ࡀᑠࡉࡃィ⟬ࢥࢫࢺࡀప࠸ࡇ࡜࠿ࡽ඲ᵓ㐀࡟ࡘ࠸࡚ィ⟬ࢆ⾜࠺ࡇ࡜ࡀ࡛ࡁ㸪࣋࢖ࢬ᭱㐺໬ࡢᛶ⬟ࢆ᳨ドࡍࡿࡇ࡜ࡀ
࡛ࡁࡿ㸬ᵓ㐀ࡢグ㏙ᏊࡣྛཎᏊࡢ✀㢮ࢆ⾲ࡍࣅࢵࢺิ㸦*H ³´6L ³´㸧࡟ࡼࡗ࡚୚࠼ࡓ㸬ᅗ  D ࡟⇕ఏᑟᗘࡀ᭱኱࡟࡞ࡿሙྜ㸪E ࡟᭱ᑠ࡜࡞ࡿሙྜࡢᵓ㐀ࢆ♧ࡍ㸬ࡲࡓ㸪ᅗ  F ࡟㸪ィ⟬ࡋࡓᵓ㐀ᩘ࡟ᑐࡋ࡚㸪ࡑࢀࡲ࡛࡟ᚓࡽࢀࡓ᭱㐺್ࡢ᥎⛣ࢆ♧ࡍ㸬␗࡞ࡿカ⦎ࢹ࣮ࢱࢆ⏝࠸ࡓሙྜ࡛᭱㐺໬ຠ⋡ࡀ␗࡞ࡿࡀ㸪࠸ࡎࢀࡢ᭱㐺໬࡟࠾࠸࡚ࡶⰋ࠸ຠ⋡ࢆ♧ࡋ࡚࠾ࡾ㸪᭱㐺ᵓ㐀ࢆぢࡘࡅࡿࡲ࡛࡟ィ⟬ࡀᚲせ࡞ᵓ㐀ᩘࡣ᭱኱࡛ࡶ  ಶ㸦඲యࡢ 㸧࡛࠶ࡗࡓ㸬᭱኱ࡢ⇕ఏᑟᗘࢆᣢࡘᵓ㐀ࡣ㸪6L ࣮ࣜࢻࡀⷧ
⭷㡿ᇦࡢ 6L ཎᏊࢆ㏻ࡌ࡚㐃⤖ࡉࢀ࡚࠸ࡿ㸬ࡑࡢ㡿
ᇦࢆ㏻ࡌ࡚ࣇ࢛ࣀࣥࡣ཯ᑕࡉࢀࡿࡇ࡜࡞ࡃ㍺㏦ࡉ
ࢀࡿࡓࡵ㸪ࡇࡢᵓ㐀ࡀ᭱኱⇕ࢥࣥࢲࢡࢱࣥࢫࢆᣢࡘ
ࡇ࡜ࡣ┤ឤⓗ࡟⌮ゎࡋ᫆࠸㸬୍᪉㸪᭱ᑠ⇕ఏᑟᗘࡢᵓ㐀ࡣ 6L ࡜ *H ࡢཎᏊᒙࡀ㠀࿘ᮇⓗ࡟✚ᒙࡉࢀࡓ㉸᱁Ꮚᵓ㐀࡜࡞ࡗࡓ㸬ࡇࢀࡣᮦᩱࡢప⇕ఏᑟ໬ࡢࡓ
ࡵ࡟ᗈࡃ◊✲ࡉࢀ࡚࠸ࡿ࿘ᮇⓗ࡞㉸᱁Ꮚᵓ㐀࡜ࡣ␗࡞ࡿ㠀┤ឤⓗ࡞ᵓ㐀࡛࠶ࡿ㸬ࡇࡢࡼ࠺࡟㸪඲యࡢೃ⿵ᵓ㐀ᩘࡢᩘࡢᵓ㐀ࢆィ⟬ࡍࡿࡔࡅ࡛᭱㐺ᵓ㐀ࡀྠᐃ࡛ࡁ㸪ᮦᩱࡢ㧗⇕ఏᑟ໬ࡸప⇕ఏᑟ໬ࡢࡓ
ࡵࡢᵓ㐀タィ࡜࠸࠺㏫ၥ㢟࡟ᑐࡋ࡚㸪࣋࢖ࢬ᭱㐺໬ࡀ᭷ຠ࡟ᶵ⬟ࡍࡿࡇ࡜ࡀࢃ࠿ࡗࡓ㸬 ⌧ᐇࡢᐇ㦂⣔࡬ࡢ㐺⏝ ๓⠇ࡢᡭἲࡢ᭷⏝ᛶࡢᐇドࢆཷࡅ࡚㸪ࡼࡾ⌧ᐇⓗ࡛኱ࡁ࡞⣔ࡢᵓ㐀᭱㐺໬࡟ྲྀࡾ⤌ࢇࡔ㸬ලయⓗ࡟ࡣ㸪⇕ఏᑟ⋡ࢆ᭱ᑠ࡟ࡍࡿࣄ໬࣒࢞ࣜ࢘㸦*D$V㸧࡜ࣄ໬࢔࣑ࣝࢽ࣒࢘㸦$O$V㸧ࡢ㉸᱁Ꮚᵓ㐀ࡢ᭱㐺໬࡟ྲྀࡾ⤌ࢇࡔ>@㸬*D$V$O$V ㉸᱁Ꮚࡣ㔞Ꮚ஭ᡞ࡜ࡋ࡚ᗈࡃ
◊✲ࡉࢀ࡚࠾ࡾ㸪ศᏊ⥺࢚ࣆࢱ࢟ࢩ࣮ἲ࡟ࡼࡗ࡚༢
ཎᏊࣞ࣋ࣝࡢ⢒ࡉࡢ⥡㯇࡞⏺㠃࡛ሁ✚ࡍࡿࡇ࡜ࡀ
࡛ࡁࡿ㸬ࡓࡔࡋ㸪๓⠇ࡢၥ㢟ࡢࡼ࠺࡟㸪ཎᏊ఩⨨ࡢ᭱㐺໬࡜ࡋ࡚ၥ㢟ࢆᣑ኱ࡍࡿ࡜㸪ೃ⿵ᵓ㐀ᩘࡀⳘ኱࡜࡞ࡾ࣋࢖ࢬ᭱㐺໬ࢆ⏝࠸ࡓᡭἲࢆ㐺⏝ࡍࡿࡇ࡜ࡀᅔ㞴࡜࡞ࡿ㸦ゎỴ᪉ἲࡣᚋ㏙ࡍࡿ㸧㸬ࡲࡓ㸪ࡑࡶᅗ  D ⇕ఏᑟᗘࢆ᭱኱࠾ࡼࡧ E ᭱ᑠ࡟ࡍࡿ᭱
㐺ᵓ㐀㸬㯤Ⰽ࡜⥳ࡢཎᏊࡀ 6L ࡜ *H ࢆ⾲ࡍ㸬࡞࠾㸪᩿㠃᪉ྥ㸦⇕ὶ࡜ᆶ┤ࡢ᪉ྥ㸧࡟ࡣ࿘ᮇቃ⏺
᮲௳ࢆ㐺⏝ࡋ࡚࠸ࡿ㸬 F ␗࡞ࡿึᮇカ⦎ࢹ࣮ࢱ࡟ᑐࡍࡿ  ᅇࡢ᭱㐺໬㸬ᤄᅗࡣ඲ೃ⿵ᵓ㐀ࡢ⇕ఏᑟᗘࡢࣄࢫࢺࢢ࣒ࣛ>@㸬ᅗ  ᭱㐺໬ࡉࢀࡓ㠀࿘ᮇ㉸᱁Ꮚ࡜ࣜࣇ࢓ࣞࣥ
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ࡢ࿘ᮇⓗ㉸᱁Ꮚᵓ㐀ࢆᐇ㝿࡟స〇ࡋ㸦ᮾி኱Ꮫࡢᖹ
ᕝᩍᤵࡢࢢ࣮ࣝࣉࡀస〇㸧㸪᫬㛫㡿ᇦࢧ࣮ࣔࣜࣇࣞ
ࢡࢱࣥࢫἲ࡟ࡼࡗ࡚⇕ఏᑟ⋡ࢆィ ࡋࡓ㸬ᅗ  ࡟♧ࡍࡼ࠺࡟㸪ィ⟬⤖ᯝࡣᐇ㦂࡜ࡼࡃ୍⮴ࡋ㸪᭱㐺タィ࡟ࡼࡗ࡚⇕ఏᑟ⋡ࢆຠᯝⓗ࡟ไᚚ࡛ࡁࡿࡇ࡜ࡀࢃ࠿ࡗࡓ㸬
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࡟ࡼࡗ࡚ 48%2 ࡢಀᩘࢆᏛ⩦ࡍࡿᡭἲ࡛ゎỴࡋࡓ㸦ᅗ 㸧㸬ࢫ࢝࢖ࣛࢪ࢚࣮ࢱࢆ┠ⓗ࡜ࡋࡓ⇕㍽ᑕ࣓ࢱ࣐ࢸࣜ࢔ࣝ࡟ࡇࢀࢆ㐺⏝ࡋࡓ࡜ࡇࢁ㸪ྂ඾ィ⟬ᶵࢆ౑ࡗࡓሙྜ࡜ẚ㍑ࡋ࡚㸪᥈⣴᫬㛫ࡀ๻ⓗ࡟▷ࡃ࡞ࡗ
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ᮏ✏࡛ࡣ㸪ఏ⇕ᮦᩱࡢ 0, ࡟ࡘ࠸࡚㸪ᮾி኱Ꮫ⇕࢚ࢿࣝࢠ࣮ᕤᏛ◊✲ᐊ࡜ࡑࡢඹྠ◊✲⪅ࡢ㏆ᖺࡢ◊✲ᡂᯝࢆ࠸ࡃࡘ࠿⤂௓ࡋࡓ㸬ࡇࡢࡼ࠺࡟㸪ఏ⇕ᮦᩱ࡜ 0, ࡢ┦ᛶࡣⰋࡃ㸪⇕≀ᛶィ⟬࡜ᶵᲔᏛ⩦ࢆ⤌ࡳྜࢃࡏࡿࡇ࡜࡟ࡼࡗ࡚㸪᭱㐺ᵓ㐀ࢆタィࡋ㸪ᐇ㝿࡟ᐇ㦂࡛㧗ᛶ⬟ࢆᐇ⌧ࡍࡿ౛ࡀቑ࠼࡚࠸ࡿ㸬୰つᶍࡢ᥈⣴✵㛫࡛࠶ࢀࡤ࣋࢖ࢬ᭱㐺໬ࡣ᥈⣴ຠ⋡ࡀ㠀ᖖ࡟Ⰻࡃ㸪ᐇ㦂࡜ᶵᲔᏛ⩦ࢆ஺஫࡟⾜࠺࢔ࣉ࣮ࣟࢳ
ࡶྵࡵ࡚㸪ࢫࢱࣥࢲ࣮ࢻ࡟࡞ࡾࡘࡘ࠶ࡿ㸬࣋࢖ࢬ᭱㐺໬ࡣ⇕㟁ኚ᥮࡛ࡢ⇕ఏᑟ⋡ࡢపῶ࡜ࣃ࣮࣡ࣇ࢓
ࢡࢱ࣮ࡢቑ኱࡞࡝ࡢ୍⯡࡟┦཯ࡍࡿ┠ⓗࡢࣂࣛࣥࢫࢆ᭱㐺໬ࡍࡿࡢ࡟ࡶ᭷⏝࡛࠶ࡿ>@㸬୍᪉㸪ᕧ኱࡞᥈⣴✵㛫ࢆྲྀࡾᢅ࠺࡟ࡣ௚ࡢᡭἲࢆ⪃࠼ࡿᚲせࡀ࠶ࡾ㸪ࡑࢀ࡟ࡣ㔞Ꮚ࢔ࢽ࣮ࣛࢆά⏝ࡋࡓᡭἲࡀ᭷⏝࡛࠶ࡿ࡜⪃࠼࡚࠸ࡿ㸬ࡓࡔࡋ㸪᥈⣴✵㛫ࡀ኱ࡁࡃ࡞
ࡿ࡜㸪ᚲせ࡞ࢹ࣮ࢱᩘࡶከࡃ࡞ࡿࡓࡵ㸪ࡼࡾ㧗㏿࡟≀ᛶࢹ࣮ࢱࢆᚓࡿᡭἲࡀᚲせ࡜࡞ࡿ㸬≀ᛶィ⟬ࡢ㧗㏿໬ࡸィ⟬ࡢ୪ิ໬࡜࡜ࡶ࡟㸪⮬ືᐇ㦂⣔ࡢ㛤Ⓨࡶ㐍ࢇ࡛࠾ࡾ㸪᥈⣴✵㛫࡜୍㈏ᛶࡢ࠶ࡿࢹ࣮ࢱᩘࡢ࣐
ࢵࢳࣥࢢࢆྲྀࡾ࡞ࡀࡽ኱つᶍ໬࡛ࡁࢀࡤ㸪ᮦᩱ㛤Ⓨࡀ㣕㌍ⓗ࡟㧗ຠ⋡໬ࡍࡿࡢ࡛ࡣ࡜ᮇᚅࡋ࡚࠸ࡿ㸬ࡇࡢࡼ࠺࡟㸪ࣈࣛࢵࢡ࣎ࢵࢡࢫࣔࢹࣝ࡟ࡼࡿ 0,
ࡀⓎᒎࡍࡿ୍᪉࡛㸪ྍㄞᛶࡢ࠶ࡿࣔࢹࣝࡸࢹ࣮ࢱ

ఏ⇕  ᖺ  ᭶

-+76-9RO1R

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ
>@ 6DNXUDL $ <DGD . 6LPRPXUD 7 -X 6.DVKLZDJL 0 2NDGD + 1DJDR 7 7VXGD .
6KLRPL-ACS Central Science  >@.LWDL . *XR - -X 6 7DQDND 6 7VXGD .ఏ⇕  ᖺ  ᭶

6KLRPL-7DPXUD5Physical Review Research   >@<DPDZDNL 0 2KQLVKL 0 -X 6 6KLRPL -Science AdvancesHDDU  -+76-9RO1R

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ
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⯟✵ᶵ࢚ࣥࢪࣥ⏝ࢫࢸ࣮ࢪࣥࢢ⇞↝ჾෆ࡟ᙧᡂࡉࢀࡿ⇞↝᣺ືࡢண඙᳨▱
Early Detection of Combustion Oscillations in a Staged Aircraft Engine Model Combustorᚋ⸨⏣ ᾈ ᪂ᆅ ᝆᖹ㸦ᮾி⌮⛉኱Ꮫ㸧
Hiroshi GOTODAYuhei SHINCHI (Tokyo University of Science)ᗉྖ Ⅿ ྜྷ⏣ ᚁ஧㸦Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ㸧
Takeshi SHOJI, Seiji YOSHIDA (Japan Aerospace Exploration Agency)
E-mail: gotoda@rs.tus.ac.jp
E-mail: shoji.takeshi@jaxa.jp
E-mail: yoshida.seiji@jaxa.jp

㸯㸬ࡣࡌࡵ࡟
⇞↝ჾࡢ⮴࿨ⓗ࡞◚ᦆࡸࣛ࢖ࣇࢧ࢖ࢡࣝࡢపୗ
࡟⧅ࡀࡿ⇞↝᣺ືࡣ ໬Ꮫ཯ᛂ࡟ࡼࡿᛴ⃭࡞Ⓨ⇕ሙ 㡢㡪ሙ࡜஘ὶሙࡀ┦஫࡟స⏝ࡋྜ࠺㠀⥺ᙧᩓ㐓⌧㇟࡛࠶ࡿ>@ ࡑࡢࡓࡵ ⇞↝᣺ືࡢ㠀⥺ᙧࢲ࢖ࢼ࣑ࢡࢫࢆྲྀࡾᢅ࠺ࡓࡵࡢ」㞧⣔⛉Ꮫࡢᇶ♏⌮ㄽ࡜ࡑࡢᩘ⌮ゎᯒᢏ⾡࡟ᐤࡏࡿᮇᚅࡀ㧗ࡲࡾࡘࡘ
࠶ࡿ>@ ⴭ⪅ࡢ୍ேࡣ グྕຊᏛ 」㞧ࢿࢵࢺ࣮࣡ࢡ 㞟ᅋྠᮇ࡜ຊᏛ⣔⌮ㄽࢆ⼥ྜࡉࡏࡓඛ㐍ⓗ࡞ᩘ⌮ゎᯒᡭἲࢆ⏝࠸࡚ ᪕ᅇ஘ὶ⇞↝ჾ࡛Ⓨ⏕ࡍࡿ⇞↝᣺ືࡢ㠀⥺ᙧࢲ࢖ࢼ࣑ࢡࢫ࡜ண඙᳨▱࡟㛵ࡍࡿ୍㐃ࡢ◊✲ࢆ㐍ࡵ࡚࠸ࡿ>@⯟✵ᶵ࢚ࣥࢪࣥ⏝ࡢ⇞↝ჾ㛤Ⓨ࡟࠾࠸࡚ ULFKEXUQTXLFNPL[OHDQEXUQ㸦54/㸧࡜ᕼⷧணΰྜ⇞↝ࡣ ప 12[ ᤼ฟ㔞ࢆྍ⬟࡟ࡍࡿ⇞↝᪉ᘧ࡜ࡋ࡚᭷ᮃどࡉࢀ࡚࠸ࡿ>@ ࡋ࠿ࡋ࡞ࡀࡽ 54/ ࡛ࡣ⇞ᩱ࡜㓟໬๣ࡢΰྜẚࡀ୍᫬ⓗ࡟⌮ㄽᙜ㔞ẚ࡟㏆࡙ࡃ࡜ 12[ ᤼ฟ㔞ࡀቑຍࡍࡿ ᕼⷧணΰྜ⇞↝ࡣᣑᩓ⇞↝࡜ẚ㍑ࡋ࡚Ᏻᐃࡋࡓ⇞↝≧ែࢆಖᣢ࡛ࡁ
ࡿᙜ㔞ẚࡢ⠊ᅖࡀ⊃ࡃ ࡑࡢ⠊ᅖእ࡛ࡣ⇞↝᣺ືࡸ྿ࡁᾘ࠼࡞࡝ࡢ୙Ᏻᐃ࡞⇞↝≧ែࡀ⏕ࡌࡿ Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ㸦-$;$㸧⯟✵ᢏ⾡㒊㛛᥎㐍ᢏ⾡◊✲ࣘࢽࢵࢺ࡛ࡣ 㧗࠸⇞↝ຠ⋡࡜ప 12[ ࡢ୧❧ࢆᅗࡿࡓࡵ࡟ ୍ࡘࡢ⇞↝ჾෆ࡛ᣑᩓ⇞↝࡜ᕼⷧணΰྜ⇞↝ࡢ୧᪉ࢆ⏝࠸ࡓ⯟✵ᶵ࢚ࣥࢪࣥ⏝ࢫࢸ࣮ࢪࣥࢢ⇞↝ჾࡢ◊✲㛤Ⓨࡀ㐍ࡵࡽࢀ࡚࠸ࡿ
> @ ࡋ࠿ࡋ࡞ࡀࡽ ࢫࢸ࣮ࢪࣥࢢ⇞↝ჾ࡟࠾࠸࡚ࡶ⇞↝᣺ືࡢⓎ⏕ࡀᠱᛕࡉࢀࡿ ࡑࡇ࡛ ྠᶵᵓ᥎㐍ᢏ⾡◊✲ࣘࢽࢵࢺ࡜ࡢඹྠ◊✲ࡢ୍ࡘ࡜ࡋ࡚ 」㞧⣔⛉ᏛࡢどⅬ࠿ࡽ ࢩࣥࢢࣝࢭࢡࢱࡢ
ࢫࢸ࣮ࢪࣥࢢ⇞↝ჾ࡛Ⓨ⏕ࡍࡿ⇞↝᣺ືࡢண඙᳨
▱ࢆ⾜ࡗ࡚ࡁࡓ>@ ࡑࡋ࡚⌧ᅾ ࡼࡾᐇᶵ࡟㏆ఏ⇕  ᖺ  ᭶࠸⇞↝≧ែࢆᶍᨃࡋࡓ࣐ࣝࢳࢭࢡࢱࡢࢫࢸ࣮ࢪࣥ
ࢢ⇞↝ჾෆ࡛Ⓨ⏕ࡍࡿ⇞↝᣺ືࡢண඙᳨▱ࢆヨࡳ࡚࠸ࡿ㏆ᖺ ேᕤ▱⬟ᢏ⾡ࡢ┠ぬࡋ࠸㐍ᒎ࡟క࠸ ᶵᲔᏛ⩦ࡢ⇞↝ศ㔝࡬ࡢᛂ⏝ࡀᮃࡲࢀ࡚࠸ࡿ ⴭ⪅ࡢ୍ேࡣ ᥎⛣ࢿࢵࢺ࣮࣡ࢡ>@ -HQVHQ6KDQQRQ」㞧ࡉゎᯒ>@࡜ࢧ࣏࣮ࢺ࣋ࢡࢺ࣐ࣝࢩ࣮ࣥ>@ࢆ⤌ࡳྜࢃࡏࡓ᪉ἲㄽࢆᥦ᱌ࡋ ᪕ᅇ஘ὶ⇞↝ჾ
࡛Ⓨ⏕ࡍࡿ⇞↝᣺ືࡢண඙᳨▱ࢆ⾜ࡗ࡚࠸ࡿ>
@ ᮏ✏࡛ࡣ ࣐ࣝࢳࢭࢡࢱࡢࢫࢸ࣮ࢪࣥࢢ⇞↝ჾࢆᑐ㇟࡟ ࣜ࢝ࣞࣥࢫᐃ㔞໬ゎᯒ>@࡜ࢧ࣏࣮ࢺ࣋ࢡࢺ࣐ࣝࢩ࣮ࣥࢆ⏝࠸ࡓ⇞↝᣺ືࡢண඙᳨▱࡟㛵ࡍࡿ◊✲ෆᐜ>@ࢆ⤂௓ࡍࡿ
㸰㸬ᐇ㦂⿦⨨࡜᪉ἲᮏ◊✲࡛ࡣ -$;$ ࢢ࣮࢚ࣜࣥࣥࢪࣥࣉࣟࢪ࢙
ࢡࢺ࡟࠾࠸࡚〇సࡉࢀࡓࢫࢸ࣮ࢪࣥࢢ⇞↝ჾࢆ⏝࠸ࡿ ⇞↝ヨ㦂ࡣྠᶵᵓ᥎㐍ᢏ⾡◊✲ࣘࢽࢵࢺࡀ
ಖ᭷ࡍࡿ㧗 㧗ᅽ⇞↝ヨ㦂タഛ>@࡛⾜ࢃࢀ ࢡ࣮ࣝࢬ᮲௳ࡸ⯟✵ᶵࡢ㞳╔㝣ࢧ࢖ࢡࣝ᮲௳࡜ࡣ␗
࡞ࡿᐇ㦂᮲௳ୗ࡛ேⅭⓗ࡟⇞↝᣺ືࢆⓎ⏕ࡉࡏࡿᅗ  䛻䝇䝔䞊䝆䞁䜾⇞↝ჾ>@䜢♧䛩 ⇞↝ჾ䛿㍈᪉ྥ䝇䝔䞊䝆䞁䜾䜢᥇⏝䛧䛯  ẁ⇞↝ჾ䛷䛒䜚 ᕼⷧணΰྜ⇞ᩱ䝜䝈䝹䠄OHDQVWDJHGIXHOQR]]OH/6)䠅䛸䜶
䝭䝑䝅䝵䞁ไᚚ䝜䝈䝹䠄HPLVVLRQ FRQWURO IXHO QR]]OH(&)䠅䛛䜙ᵓᡂ䛥䜜䜛 /6) 䛿୺⇞ᩱ䝜䝈䝹䛸䝟䜲䝻䝑䝖⇞ᩱ䝜䝈䝹䛛䜙ᵓᡂ䛥䜜 䛭䜜䛮䜜䛾䝜䝈䝹䛻౪⤥䛥䜜䜛⇞ᩱὶ㔞䛿⇞↝ჾ䛾㐠㌿᮲௳䛻䜘䛳䛶␗䛺䜛ヨ㦂౪ヨయ䛿  ⤌䛾 /6) 䛸 (&) 䜢᭷䛧 ⇞↝ჾ䝷䜲䝘䛾࿘᪉ྥ䛾ゅᗘ䛜  ᗘ䛾䝇䝔䞊䝆䞁䜾⇞↝ჾ䜢౑⏝䛩䜛 ᮏ◊✲࡛ࡣ 㧗ᅽ䜿䞊䝅䞁䜾䛾እഃ䛻タ

-+76-9RO1R

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ
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⨨࡛ᅽຊኚື p'ࢆィ ࡍࡿ 䛯䛰䛧 p'䛾䝃䞁䝥䝸䞁䜾࿘Ἴᩘ䜢 N+] 䛸䛧37 䛷 ᐃ䛥䜜䛯 p'䜢ゎᯒᑐ㇟䛸䛩䜛
ᮏ◊✲࡛ࡣ ⇞↝ჾ䛾ධཱྀᅽຊ䜢  N3D ධཱྀ ᗘ䜢  . ✵Ẽὶ㔞䜢  NJV 䛸䛩䜛 ⇞ᩱ䛻䛿ⅉἜ䜢⏝䛔 /6) 䛾䝟䜲䝻䝑䝖⇞ᩱ䝜䝈䝹䛻౪⤥䛩䜛⇞ᩱὶ㔞 Wfp   JV 䛻ಖ䛱 䝯䜲䞁⇞ᩱ䝜䝈䝹䛻౪⤥䛩䜛⇞ᩱὶ㔞 Wfm 䜢 aJV 䛾⠊ᅖ䛷 JV 䛤䛸䛻ኚ໬䛥䛫䜛 䛣䜜䜙䛾᮲௳ୗ䛷 Ᏻᐃ⇞↝䛛䜙⇞↝᣺ື䜈⇞↝≧ែ䜢㑄⛣䛥䛫䜛 䛭䜜䛮䜜䛾 Wfm 䛻ᑐ䛧䛶ྲྀᚓ䛥䜜䛯  ⛊㛫䛾 p'䜢䝃䝫䞊䝖䝧䜽䝖䝹䝬䝅䞊䞁䛾ᩍᖌ䝕䞊䝍䛻⏝䛔䜛 ࡑࡋ࡚
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 ᅗ  ࣐ࣝࢳࢭࢡࢱࡢࢫࢸ࣮ࢪࣥࢢ⇞↝ჾ>@㸱㸬」㞧⣔⛉Ꮫࡢᇶ♏⌮ㄽ࡟ᇶ࡙ࡃゎᯒᡭἲ࡜ᶵᲔᏛ⩦
 ࣜ࢝ࣞࣥࢫᐃ㔞໬ゎᯒຊᏛ⣔⌮ㄽ࡟ᇶ࡙ࡃ᫬⣔ิゎᯒࡣ 7DNHQV ࡢᇙࡵ㎸ࡳᐃ⌮>@ࢆ⏝࠸࡚୙Ᏻᐃ⌧㇟ࡢ᫬㛫ኚືࢆ㐜ᘏᗙᶆ⣔࡟ኚ᥮ࡋ ᵓ⠏ࡉࢀࡓ఩┦✵㛫ෆࡢ㌶
㐨୙Ᏻᐃᛶࢆᐃ㔞໬ࡍࡿࡇ࡜ࡀྍ⬟࡛࠶ࡿ>@ᮏ◊✲࡛ࡣ ㌶㐨ྠኈࡢ㊥㞳ࡢ⛛ᗎ࣭㠀⛛ᗎᵓ㐀ࢆᢳฟࡍࡿࡇ࡜ࡀྍ⬟࡞ࣜ࢝ࣞࣥࢫࣉࣟࢵࢺ>@࡟╔┠ࡍࡿ ࣜ࢝ࣞࣥࢫࣉࣟࢵࢺࡣ d ḟඖ఩┦✵㛫ෆࡢ  Ⅼ㛫㊥㞳ࢆ i j ࡢᗙᶆ㍈࠿ࡽᵓᡂࡉࢀࡿ
஧ḟඖᖹ㠃ୖ࡟ ELQDU\ SORW ࡜ࡋ࡚⾲♧ࡉࡏࡓࡶࡢ
࡛࠶ࡾ ᅇᖐ⾜ิࡢᡂศ Rij ࢆ⏝࠸࡚⾲⌧ࡉࢀࡿ ఏ⇕  ᖺ  ᭶

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ᩍᖌ࠶ࡾᶵᲔᏛ⩦ࡢ୍ࡘ࡛࠶ࡿࢧ࣏࣮ࢺ࣋ࢡࢺ
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p'UPV ࡜ࣃ࣮࣡ࢫ࣌ࢡࢺࣝᐦᗘ 36' ࡢ᫬㛫ኚ໬ࢆᅗ ࡟♧ࡍ ⇞↝᣺ືࡢ๓඙࡟ᑐᛂࡍࡿ t|V ࢆ㉸࠼ࡿ࡜ p'UPV ࡣቑຍࡋጞࡵ࡚࠸ࡿ ༑ศⓎ㐩ࡋࡓ⇞↝᣺ືࡀᙧᡂࡉࢀࡿ࡜p'UPV ࡣ࡯ࡰ୍ᐃ࡜࡞ࡿ36' ࡟╔┠ࡍࡿ࡜f|+] ࡛༟㉺ࡋࡓࣆ࣮ࢡࡀ⌧ࢀ࡚࠾ࡾ ᶓ᪉ྥࡢ୍ḟ㡢㡪ඹ㬆࣮ࣔࢻ࡟ᑐᛂࡍࡿ ༑ศⓎ㐩ࡋࡓ⇞↝᣺ືࡀᙧᡂࡉࢀࡿ࡜ࡁ ஧ḟ࣮ࣔࢻࡀ⌧ࢀࡿ ᅽຊኚືࡢ᣺ᖜࡀቑຍࡍࡿ࡟ࡘࢀ୍࡚ḟ࣮ࣔࢻࡀᨭ㓄ⓗ࡜࡞ࡿࡀ 36' ࡣ⇞↝᣺ືࡢ๓඙᫬
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ࡓ Jd De ᖹ㠃ࡢ≉ᚩ✵㛫ࡣ ᅽຊኚືࡢ஧஌ᖹᆒᖹ
᪉᰿࡜ࣃ࣮࣡ࢫ࣌ࢡࢺࣝᐦᗘࡼࡾࡶඃࢀࡓ⇞↝᣺ືࡢ᳨▱ჾ࡛࠶ࡿ࡜ゝ࠼ࡿ ☜⋡ศᕸࡢỗ㛵ᩘ࡜ࡋ࡚ᐃ⩏ࡉࢀࡿ᝟ሗ࢚ࣥࢺ
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CNN-Based Super-Resolution Simulation for Realtime Prediction of Urban Heat Environment኱す 㡿, Ᏻ⏣ ຬ㍤㸦ᮾிᕤᴗ኱Ꮫ㸧
Ryo ONISHI, Yuki YASUDA (Tokyo Institute of Technology)
e-mail: onishi.ryo@gsic.titech.ac.jp࠺㸬ࡑࡢࡼ࠺࡞ᮍ᮶♫఍ࢧ࣮ࣅࢫࡢᐇ⌧ࡢࡓࡵ࡟ࡣ㸪⌧ᅾࡢኳẼணሗࡀᑐ㇟࡜ࡍࡿẼ㇟ࡼࡾࡶ㸪ࡉࡽ࡟ேࡢ⏕ά࡟㏆࠸“ᚤẼ㇟”࡟ᑐࡍࡿண ᝟ሗࡀᚲせ࡜࡞ࡿ㸬࡞࠾㸪ᚤẼ㇟࡜ࡣ㸪ᅵᆅ฼⏝࣭ᘓ≀࣭᳜⏕࠾ࡼࡧே㛫άື࡞࡝ࡢᙳ㡪ࢆᙉࡃཷࡅࡿᆅ⾲࠿ࡽ㧗
ᗘ 100m ⛬ᗘࡲ࡛ࡢẼ㇟⌧㇟ࡢࡇ࡜࡛࠶ࡿ㸬ࡇࡢᚤẼ㇟ࢆண ࡛ࡁࡿࡼ࠺࡟࡞ࡾ㸪ᅗ 1 ࡟♧ࡍࡼ࠺࡞ᚤẼ㇟ண ᝟ሗࢆໟྵࡋࡓẼ㇟᝟ሗᇶ┙㸦࢖ࣥࣇࣛ㸧ࡀᩚഛࡉࢀࢀࡤ㸪ୖグࡢࡼ࠺࡞⇕୰⑕ࣜࢫࢡపῶࢧ
࣮ࣅࢫࡔࡅ࡛࡞ࡃ㸪⾤༊࡛ࡢᏳ඲࡞ࢻ࣮ࣟࣥ≀ὶ㸪ࢫ࣐࣮ࢺ࢚ࢿࣝࢠ࣮࣐ࢿࢪ࣓ࣥࢺࡸࣉࣛࣥࢺࡢࢫ
࣐࣮ࢺ㐠⏝࡞࡝ࡢᵝࠎ࡞ᮍ᮶♫఍ࢧ࣮ࣅࢫࡀᐇ⌧ࡉࢀࡿࡔࢁ࠺㸬ࡋ࠿ࡋ㸪⌧≧࡛ࡣ㸪ᚤẼ㇟ண ࢩ࣑࣮ࣗࣞࢩࣙࣥࡢィ⟬ࢥࢫࢺࡀ኱ࡁ࡞࣎ࢺࣝࢿࢵࢡ
ࡢ୍ࡘ࡜࡞ࡗ࡚࠸ࡿ㸬౛࠼ࡤ㸪2km ᅄ᪉ࡢ㡿ᇦࢆ 5m
ゎീᗘ࡛㸪30 ศඛࡲ࡛ࢆண ࡍࡿࡢ࡟㸪ࢫࣃࢥࣥࢆ౑ࡗ࡚ࡶᩘ᫬㛫࠿࠿ࡗ࡚ࡋࡲ࠺㸬ண ࡟࠿࠿ࡿ᫬
㛫ࢆ 1,000 ศࡢ 1 ⛬ᗘ࡟๻ⓗ࡟పῶࡋ࡞࠸࡜ࣜ࢔ࣝ
ࢱ࢖࣒ࢧ࣮ࣅࢫࢆᐇ⌧ࡍࡿࡇ࡜ࡣ࡛ࡁ࡞࠸㸬㏆ᖺ㸪ⴭ⪅ࡽࡢ◊✲ࢢ࣮ࣝࣉ࡛ࡣ㸪῝ᒙᏛ⩦ࢆ᥼⏝ࡋࡓ AI ࢩ࣑࣮ࣗࣞࢩࣙࣥᢏ⾡ࢆ㛤Ⓨࡋ㸪⾤༊ᚤẼ㇟ࡘࡲࡾ⾤༊⇕⎔ቃ࡟㛵ࡍࡿ㧗ゎീᗘண ᝟ሗࢆࣜ࢔ࣝࢱ࢖࣒࡟ྲྀᚓࡍࡿࡇ࡜ࢆྍ⬟࡟ࡋࡓ[2]㸬
ලయⓗ࡟ࡣ㸪㉸ゎീ࡜࿧ࡤࢀࡿపゎീᗘ⏬ീ࠿ࡽ㧗ゎീᗘ⏬ീࢆసᡂࡍࡿᢏ⾡ࢆά⏝ࡋࡓ㉸ゎീࢩ࣑࣮ࣗࣞࢩࣙࣥἲࢆ㛤Ⓨࡋࡓ㸬ᮏ✏࡛ࡣ㸪ࡇࡢᡭἲ࡟
ᇶ࡙࠸ࡓ⾤༊⇕⎔ቃࡢ㧗ゎീᗘண ᝟ሗ๰ฟ࡟㛵ࡍࡿ᭱᪂ࡢྲྀࡾ⤌ࡳࢆ⤂௓ࡍࡿ㸬㸯㸬ࡣࡌࡵ࡟
Ᏻ඲࣭Ᏻᚰ࡞♫఍ࢆᐇ⌧ࡍࡿࡓࡵ࡟ࡣ㸪⇕୰⑕ࣜࢫࢡࡢపῶࡀᛴົࡢㄢ㢟࡛࠶ࡿ㸬౛࠼ࡤ᪥ᮏ࡟࠾ࡅ
ࡿ⇕୰⑕࡟ࡼࡿṚஸ⪅ࡣᖺᖹᆒ⣙ 900 ྡ㸦2007 ᖺ㹼2011 ᖺࡢᖹᆒ್[1]㸧࡟ࡶཬࡪ㸬ࡇࢀࡣ㸪ྎ㢼࣭኱㞵࡟ࡼࡿṚ⪅୙᫂⪅ᖺᖹᆒ⣙ 60 ྡ㸦2004 ᖺ㹼
2009 ᖺࡢᖹᆒ್㸧࡟ẚ࡭᱆㐪࠸࡟኱ࡁࡃ㸪ᆅ㟈࣭ὠἼ࡟ࡼࡿṚ⪅୙᫂⪅ᖺᖹᆒ⣙ 1,000 ྡ㸦1995 ᖺ㹼
2016 ᖺࡢᖹᆒ್㸧࡟༉ᩛࡍࡿ㸬 ᬮ໬㸪ࣄ࣮ࢺ࢔࢖
ࣛࣥࢻ㸪㧗㱋໬ࡢ㐍⾜࡟క࠸㸪௒ᚋࡉࡽ࡟῝้໬ࡋ࡚࠸ࡃ࡜⪃࠼ࡽࢀࡿ୰࡛㸪⇕୰⑕ࣜࢫࢡࢆపῶࡍࡿ
ࡓࡵ࡟ࡣྛேࡢ⾜ືኚᐜࡔࡅ࡛࡞ࡃ♫఍ࡢࢫ࣐࣮
ࢺ໬ࡶᚲせ࡟࡞ࡿ࡜⪃࠼ࡽࢀࡿ㸬ྛேࡀ⇕୰⑕ࢆṇࡋࡃ⌮ゎࡋࡓୖุ࡛᩿ࡋ⾜ືࡍࡿࡇ࡜ࡣࡶࡕࢁࢇ㔜せ࡛࠶ࡿ㸬ࡋ࠿ࡋ㸪ุ᩿ࢆ㛫㐪࠼࡚ࡋࡲࡗࡓ᫬࡟⇕୰⑕ࣜࢫࢡࡀᛴୖ᪼ࡍࡿ㸬ྛேࡀุ᩿࣑ࢫࢆࡋ࡞࠸ࡼ࠺࡟㸪ࡑࡶࡑࡶྛேࡀ⮬↛࡜⇕୰⑕ࣜࢫࢡࡀప࠸⾜ືࢆྲྀࢀࡿࡼ࠺࡞ࢫ࣐࣮
ࢺ࡞♫఍ࡢᐇ⌧ࡀᚲせ࡛࠶ࢁ࠺㸬ࡶࡋ㸪ேὶࡔࡅ࡛
࡞ࡃ㒔ᕷ⾤༊ࡢ⇕⎔ቃࡲ࡛ࢆࢧ࢖ࣂ࣮✵㛫ୖ࡛෌⌧ࡋண ࡛ࡁࢀࡤ㸪ྛேࡢᖺ㱋㸪ᛶู㸪యᆺࡸ೺ᗣ
≧ែࢆ⪃៖ࡋࡓୖ࡛㸪⩌⾗඲యࡢ⇕୰⑕ࣜࢫࢡࢆప
ῶࡍࡿࡼ࠺࡞ேὶไᚚࢧ࣮ࣅࢫࡀྍ⬟࡟࡞ࡿࡔࢁ

㻌ᅗ 1 ᚤẼ㇟ணࣅࢫ᝟ሗࢆά⏝ࡋࡓᮍ᮶♫఍ࢧ࣮ఏ⇕ 2021 ᖺ 10 ᭶㸰㸬⾤༊ᚤẼ㇟ࢩ࣑࣮ࣗࣞࢩࣙࣥ
 0XOWL6FDOH6LPXODWRUIRUWKH
*HRHQYLURQPHQW 066* ᾏὒ◊✲㛤Ⓨᶵᵓ࠾ࡼࡧᮾிᕤᴗ኱Ꮫࡀ୰ᚰ࡜
࡞ࡗ࡚ Multi-Scale Simulator for the Geoenvironment㸦MSSG㸧࡜࿧ࡤࢀࡿ࣐ࣝࢳࢫࢣ࣮ࣝ኱Ẽᾏὒ⤖ྜ

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≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ
ഃ㸦ᕥഃ㸧ࡢẼ ࡀ㧗࠸ᵝᏊࡀࢃ࠿ࡿ㸬㧗ࠎᖜ 30m
ࡋ࠿࡞࠸㏻ࡾ࡛࠶ࡗ࡚ࡶ㸪ࡑࡢ୧➃࡛⇕⎔ቃࡀ኱ࡁࡃ␗࡞ࡿࡇ࡜ࡀࢃ࠿ࡿ㸬MSSG ࢆ⏝࠸ࡓ㒔ᕷ⾤༊ࡢ⇕⎔ቃࢩ࣑࣮ࣗࣞࢩ
ࣙࣥ࡟ࡼࡾᚓࡽࢀࡓື⏬ࡣ᪥ᮏ⛉Ꮫᮍ᮶㤋ࡢ
youtube ࢳࣕࣥࢿࣝ࠿ࡽど⫈࡛ࡁࡿ[7]㸬
 ୕ḟඖ⇕ᨺᑕࣔࢹࣝ
⾤༊⇕⎔ቃࢆᐃ㔞໬ࡍࡿ㝿࡟ࡣ㸪ᘓ≀࡟ࡼࡿ᪥ᑕ
ࡢ㐽ࡾࡸ㸪᪥ᑕ࡟ࡼࡗ࡚ᬮࡵࡽࢀࡓ⾲㠃࠿ࡽࡢ⇕ᨺᑕ࡞࡝ࡢ 3 ḟඖ⇕ᨺᑕ㐣⛬ࢆィ⟬ࡍࡿᚲせࡀ࠶ࡿ㸬MSSG ࡣ㸪ࣛࢪ࢜ࢩࢸ࢕ἲ࡜࿧ࡤࢀࡿ㸪ᙧែಀᩘࢹ
࣮ࢱࢆ⏝࠸ࡓ 3 ḟඖᨺᑕィ⟬ࢆ⾜࠺[6]㸬ࡑࡢ㝿㸪ᆅ⾲㠃ࡸᘓ≀⾲㠃࡟ࡘ࠸࡚ࡣィ⟬᱁Ꮚ࡟ἢࡗ࡚㠃✚せ⣲࡟ศ๭ࡍࡿ୍᪉㸪ᶞෙ࡟ࡘ࠸࡚ࡣయ✚せ⣲࡟ศ๭ࡋ㸪ᶞෙෆ㒊࡛ࡢከ㔜ᩓ஘ࡶ⪃៖ࡋࡓᨺᑕ⇕ࣇࣛࢵࢡࢫࢆ⟬ฟࡍࡿ㸬MSSG ࡣ㸪ᑐὶࡔࡅ࡛࡞ࡃ㸪ᆅୗࡸᘓ≀࡛ࡢ⇕ఏᑟ㸪ࡉࡽ࡟ࡣ 3 ḟඖ⇕ᨺᑕ㐣⛬ࡲ࡛ࢆ┤᥋ィ⟬࡛ࡁࡿ㸬ࡘࡲࡾᑐὶ㸪ఏᑟ࠾ࡼࡧᨺᑕࡢ 3 ࡘࡢఏ⇕㐣⛬ࡍ࡭࡚ࢆ┤᥋ィ⟬࡛ࡁࡿ㸬୍⯡ⓗ࡞Ẽ㇟ࣔࢹࣝࡣᆅᙧ࡟ἢࡗࡓᗙᶆ⣔ࢆ⏝࠸ࡿࡓࡵ㸪ᆅ㠃ࡢ㉳అࡣ⪃៖࡛ࡁࡿࡶࡢࡢ㸪ᘓ≀࡞࡝ࡢᆅ㠃࠿ࡽᆶ┤࡟ษࡾ❧ࡗࡓேᕤᵓ㐀≀ࡢ࿘ࡾࡢὶࢀࢆィ⟬ࡍࡿࡇ࡜ࡣ࡛ࡁ࡞࠸㸬ࡲࡓ㸪⪃៖ࡉࢀࡿ⇕ᨺᑕ㐣⛬ࡶ㖄┤㸯ḟඖ᪉ྥࡢࡳ࡛࠶ࡾ㸪ගࡀᩳࡵ࡟࠶ࡓࡿࡇ࡜࡛࡛ࡁࡿࣅࣝࡢ᪥㝜࡞࡝ࡢ 3 ḟඖ㐣⛬ࡣ⪃៖ࡉࢀ࡞࠸㸬୍⯡ⓗ࡞ᕤᏛࣔࢹࣝࡣ㸪ேᕤᵓ㐀≀࿘ࡾࡢὶࢀࢆ⪃៖࡛ࡁࡿࡶࡢࡢ㸪Ẽ ࡸ‵ᗘ࡞࡝ࡢẼ㇟せ⣲ࢆ⪃៖ࡏࡎ㸪ࡲࡓ⇕ᨺᑕ㐣⛬ࡢィ⟬ᶵ⬟ࢆ᭷ࡋ࡞࠸ࡇ࡜ࡀከ࠸㸬㏆ᖺࡣᶵ⬟ᣑᙇࡀ⾜ࢃࢀ㸪city-LES[8]ࡸ PALM[9]࡜࿧ࡤࢀࡿࣔࢹࣝࡣ㸪Ẽ㇟せ⣲ࡸ 3 ḟඖ⇕ᨺᑕ㐣⛬ࡢィ⟬ࡶྍ⬟࡜࡞ࡗ࡚࠸ࡿ㸬ࡋ࠿ࡋ㸪ࡑࢀࡽࡢࣔࢹ࡛ࣝ࠶ࡗ࡚ࡶ㸪᱁Ꮚ⣔ࡢไ⣙࠿ࡽ㡿ᇦẼ㇟ィ⟬ࡸ඲⌫Ẽ㇟ィ⟬ࢆᐇ᪋ࡍࡿࡇ࡜ࡣ࡛ࡁ࡞࠸㸬MSSG ࣔࢹࣝࡣୖグ඲࡚ࢆᐇ᪋
࡛ࡁࡿୖ࡟㸪ᾏὒࣔࢹࣝࡶ᭷ࡍࡿ࡜࠸࠺ᙉຊ࡞ࣔࢹ
࡛ࣝ࠶ࡿ㸬 ᶞෙࣔࢹࣝ
๓⠇࡛⇕ᨺᑕ㐣⛬ィ⟬࡟࠾ࡅࡿᶞෙࡢᙳ㡪࡟㛵ࡋ࡚ゐࢀࡓ㸬୍᪉㸪ᶞෙࡣ⇕ᨺᑕࡔࡅ࡛࡞ࡃ㸪㢼ࡸẼ ࡟ࡶᙳ㡪ࢆ୚࠼ࡿ㸬ᶞෙࡀ኱Ẽࡢὶࢀ࡟ཬࡰࡍ
᢬ᢠࡣⴥ㠃✚ᐦᗘ࡟ẚ౛ࡍࡿ㸬MSSG ࡢᶞᮌࣔࢹࣝ
[6]࡛ࡣ㸪ⴥ࡟ࡼࡿ ⏕ᡂຠᯝ࡜ᩓ㐓ຠᯝࢆ⪃៖ࡍࡿ㸬ᶞෙ࠿ࡽ኱Ẽ࡬ࡢ㢧⇕ࣇࣛࢵࢡࢫ࠾ࡼࡧ₯⇕ࣇ

ᅗ 2 Multi-Scale Simulator for the Geoenvironment㸦MSSG㸧ࡀᑐ㇟࡜ࡍࡿẼ㇟ࢫࢣ࣮ࣝ㸬MSSG ࡣ඲ᆅ⌫ࢫࢣ࣮ࣝ࠿ࡽ㒔ᕷ⾤༊ࡢᚤẼ㇟ࡲ࡛ࢆᢅ
࠺ࡇ࡜ࡀ࡛ࡁࡿୡ⏺၏୍ࡢ࣐ࣝࢳࢫࢣ࣮ࣝࣔࢹ࡛ࣝ࠶ࡿ㸬ᅗ 3 2015 ᖺ 8 ᭶ 7 ᪥ 14:30 ࡢᮾி㥐௜㏆ࡢẼ
ศᕸࡢ 3 ḟඖྍど໬⏬ീࣔࢹࣝࡢ㛤Ⓨࡀ㐍ࡵࡽࢀ࡚࠸ࡿ㸬ࡇࡢ MSSG ࡣᅗ 2࡟♧ࡍࡼ࠺࡟඲⌫㸦ࢢ࣮ࣟࣂࣝ㸧㸪㡿ᇦ㸦࣓ࢯ㸧㸪࠾ࡼࡧ㒔ᕷ㸦࣐࢖ࢡࣟ㸧ࢫࢣ࣮ࣝࡢ኱Ẽᾏὒࢩ࣑ࣗࣞ
࣮ࢩࣙࣥࢆࢩ࣮࣒ࣞࢫ࡟ᐇ⾜࡛ࡁࡿࡼ࠺࡟タィࡉࢀ࡚࠸ࡿ[3-6]㸬㒔ᕷ⾤༊ࢫࢣ࣮ࣝࢆᑐ㇟࡜ࡋࡓࢩ࣑
࣮ࣗࣞࢩࣙࣥࡢ㝿࡟ࡣ㸪ቃ⏺ᒙࣔࢹࣝࢆ⏝࠸ࡎ㸪࠸ࢃࡺࡿ LES(Large-eddy simulation)ࣔࢹࣝ࡜ࡋ࡚ᐇ⾜ࡉࢀࡿ㸬LES ࡜ࡣ㸪ィ⟬᱁Ꮚ௨ୗࡢ஘ὶ⌧㇟ࢆࣔࢹࣝ໬ࡋࡓ஘ὶࣔࢹࣝࢆ⏝࠸ࡿࡇ࡜࡛㸪஘ὶ࡟ࡼࡿΰ
ྜ࡜ᣑᩓࢆ㐺ษ࡟⪃៖࡛ࡁࡿィ⟬ᡭἲ࡛࠶ࡿ㸬MSSG ࡢ኱Ẽࢥ࣏࣮ࣥࢿࣥࢺࡢຊᏛ㐣⛬ࡣ㠀㟼ຊᏛ᪉⛬ᘧ⣔࡟ᇶ࡙࠸࡚࠾ࡾ㸪ᨭ㓄᪉⛬ᘧࡣ㸪ᐦᗘࡢ㍺㏦᪉⛬ᘧ㸪㐠ື㔞ࡢ㍺㏦᪉⛬ᘧ㸦Navier-Stokes ᪉⛬ᘧ㸧㸪ᅽຊࡢ㍺㏦᪉⛬ᘧ㸪࠾ࡼࡧỈ≀㉁ࡢ㍺㏦᪉
⛬ᘧ࡛࠶ࡿ㸬
ᅗ 3 ࡟㸪MSSG ࢆ⏝࠸࡚ᚓࡽࢀࡓᮾி㥐௜㏆ࡢẼ
ࡢ 3 ḟඖศᕸࢆ♧ࡍ㸬ࡇࡢᅗྑୗ෇࡟ࡣ㸪㖟ᗙ㏻ࡾ࡟❧ࡗࡓேࡢ┠⥺࡛ࡢẼ ศᕸࡢྍど໬⏬ീࡀ♧ࡉࢀ࡚࠸ࡿ㸬ࣅࣝࡢ᪥㝜ഃ㸦ྑഃ㸧࡟ẚ࡭㸪᪥ྥఏ⇕ 2021 ᖺ 10 ᭶

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≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ

ᅗ 5 ㉸ゎീࢩ࣑࣮ࣗࣞࢩࣙࣥࢩࢫࢸ࣒㸬㧗ゎീᗘ㸦high-resolution, HR㸧ィ⟬⤖ᯝࢆ⏝࠸࡚῝ᒙᏛ⩦ࡉࡏ࡚࠾࠸ࡓ㉸ゎീ㸦SR㸧ჾ࡟㸪పゎീᗘ㸦lowresolution, LR㸧ィ⟬⤖ᯝࢆΏࡋ㸪HR ண ⤖ᯝࢆ㉸㧗㏿࡟⏕ᡂࡍࡿ㸬ᅗ 4 ᮾி㖟ᗙ㏻ࡾࢆᑐ㇟࡜ࡋ࡚㸪ᆅᇦࡸሙᡤࡢ
Ẽ㇟≉ᛶࢆᘓ㐀≀ࡸ㐨㊰㸪ᶞᮌ࡞࡝ࡢᙳ㡪ࡶ⪃៖ࡋࡓୖ࡛ண ࡋ㸪ࡉࡽ࡟ヲ⣽࡞ேయ ⇕ᛂ⟅ࣔࢹࣝ࡟ࡼࡗ࡚ಶே༢఩ࡢ⇕ࢫࢺࣞࢫࢆᐃ㔞ホ౯ࡍࡿࡇ࡜࡟ᡂຌࡋࡓ㸬ࣛࢵࢡࢫࡢィ⟬࡛ࡣ㸪ẼᏍ㛤ᗘࡀ⵨ᩓ㔞࡟ཬࡰࡍ᳜
≀⏕⌮Ꮫⓗస⏝ࢆ⪃៖ࡋࡓẼᏍࢥࣥࢲࢡࢱࣥࢫࣔ
ࢹࣝࢆ⏝࠸ࡿ㸬ࡑࡢ㝿㸪⇕཰ᨭᘧ࠿ࡽⴥ⾲㠃 ᗘࢆィ⟬ࡍࡿ㸬 ᚤẼ㇟࡜ேయ ⇕ᛂ⟅┤㏆࡛ࡣ㸪ᚤẼ㇟ண ࢩ࣑࣮ࣗࣞࢩࣙࣥ࡜ேయ
⇕ᛂ⟅ࢩ࣑࣮ࣗࣞࢩࣙࣥ㸦ྡྂᒇᕤᴗ኱Ꮫ ᖹ⏣᫭ṇᩍᤵ㸧ࢆ⼥ྜࡍࡿࡇ࡜࡟ᡂຌࡋࡓ㸬ᚤẼ㇟᝟ሗࢆேయ ⇕ᛂ⟅ࣔࢹࣝࡢධຊ್࡟ࡍࡿࡇ࡜࡟ࡼࡾ㸪ྛேࡢ῝㒊య ࡢ᫬㛫ኚ໬ࢆண ࡋࡓ[10, 11]㸬ࡑࡇ࡛ࡣ㸪ேయࢆ୍㎶ 2mm ࡢ❧᪉య࣓ࢵࢩࣗ࡟༊ษࡾྛ
࣓ࢵࢩࣗࡢ ᗘ࠾ࡼࡧ⾑ὶ ᗘࡢኚ໬ࢆ⟬ฟࡋࡓ㸬ࡑࡢ㝿㸪እ㒊⎔ቃ࡜ࡢఏ⇕࡜ᨺᑕࢆ㏻ࡌࡓ⇕ࣇࣛࢵࢡࢫࡔࡅ࡛࡞ࡃ㸪3.6km/h ࡢṌ⾜࡟ࡼࡿ㐠ືᙉᗘ࡟ᛂࡌࡓయෆⓎ⇕㸪╔⾰࡜ࡋ࡚ࡣⓑ࠸⥥⣲ᮦࡢ༙⿇࠾ࡼࡧ㛗ࢬ࣎ࣥࢆ᝿ᐃࡋࡓୖ࡛㸪య⾲㠃࠿ࡽࡢⓎờࡶ⪃៖ࡋࡓ㸬ࡇࡢ⼥ྜᢏ⾡࡟ࡼࡾ㸪㒔ᕷ⾤༊ෆࡢ⇕୰⑕ࣜࢫࢡࢆᐃ㔞ண ࡍࡿࡇ࡜࡟ᡂຌࡋࡓ㸬࡞࠾㸪῝㒊య ࡣయෆዟ῝ࡃࡢయ ࡛࠶ࡾ㸪1 ᗘ⛬ᗘୖ᪼ࡍࡿ࡜⇕୰⑕ࡢ⑕≧ࡀ⌧ࢀጞࡵࡿ࡜ゝࢃࢀ࡚࠸ࡿ㸬㖟
ᗙ㏻ࡾࢆṌࡃṌ⾜⪅ࢆᑐ㇟࡜ࡋ࡚㸪῝㒊య ࡢኚ໬ࢆィ⟬ࡋࡓ⤖ᯝ㸪⊛ᬬࡢ୰ 20 ศ⛬ᗘṌࡃࡔࡅ࡛῝㒊య ࡀ 0.8 ᗘ㏆ࡃୖ᪼ࡋ㸪ࡲࡓ㸪ྠࡌ㏻ࡾ࡛࠶ࡗ
࡚ࡶ᪥ྥഃࢆṌࡃ࠿᪥㝜ഃࢆṌࡃ࠿࡛ 0.2 ᗘ␗࡞ࡾ㸪኱ே࠿Ꮚ౪࠿࡛ࡶ 0.2 ᗘ␗࡞ࡿࡇ࡜ࡀࢃ࠿ࡗࡓ㸬ࡇࢀࡣ⇕୰⑕ࣜࢫࢡపῶࢧ࣮ࣅࢫࡢ➃⥴ࢆ㛤࠸ࡓࡇ࡜࡟࡞ࡿ㸬

ఏ⇕ 2021 ᖺ 10 ᭶㸱㸬㉸ゎീࢩ࣑࣮ࣗࣞࢩࣙࣥἲ࡟ࡼࡿ⾤༊⇕⎔ቃࡢࣜ࢔ࣝࢱ࢖࣒ண  ㉸ゎീࢩ࣑࣮ࣗࣞࢩࣙࣥἲ
ᩘ࣓࣮ࢺࣝゎീᗘ࡛ࡢᚤẼ㇟ࢩ࣑࣮ࣗࣞࢩࣙࣥ
࡟ࡣ㸪ࢫ࣮ࣃࢥࣥࣆ࣮ࣗࢱࢆ౑ࡗࡓ⭾኱࡞ィ⟬ࡀᚲせ࡛࠶ࡿ㸬ᐇ㝿ࡢ♫఍ࢧ࣮ࣅࢫ࡬ࡢ㐺⏝ࢆ⪃࠼ࡿ㝿࡟ࡣ㸪ィ⟬㔞ࡢ㍍ῶ㸪ィ⟬᫬㛫ࡢ๐ῶࡀᚲせ࡜࡞ࡿ㸬㏆ᖺ㸪ⴭ⪅ࡽࡢࢢ࣮ࣝࣉ࡛ࡣ῝ᒙᏛ⩦ࢆά⏝ࡋࡓ
AI ⼥ྜࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡿィ⟬᫬㛫ࡢ๻ⓗ࡞๐ῶ࡟ᡂຌࡋࡓ[2]㸬ලయⓗ࡟ࡣ῝ᒙࢽ࣮ࣗࣛࣝࢿ
ࢵࢺ࣮࣡ࢡࢆ⏝࠸ࡓ㉸ゎീ㸦Super Resolution, SR㸧ᢏ⾡[12]ࢆά⏝ࡋࡓ㸬࡞࠾㸪㉸ゎീ࡜ࡣ㸪పゎീᗘ㸦 low resolution, LR 㸧 ⏬ ീ ࠿ ࡽ 㧗 ゎ ീ ᗘ 㸦 highresolution, HR㸧⏬ീࢆ⏕ᡂࡍࡿᢏ⾡࡛࠶ࡿ㸬ᮏ⠇࡛ࡣ㸪ᡃࠎࡢ㉸ゎീࢩ࣑࣮ࣗࣞࢩࣙࣥἲࡢᴫ
ㄝ࡜㸪ࡑࡢᛶ⬟ྥୖ࡟ྥࡅࡓ┤㏆ࡢྲྀࡾ⤌ࡳ[13]ࢆ⤂௓ࡍࡿ㸬ᅗ 5 ࡟㸪㛤Ⓨࡋࡓ㉸ゎീࢩ࣑࣮ࣗࣞࢩࣙࣥἲࢆᅗ
ゎࡍࡿ㸬ணࡵ኱㔞ࡢ HR ࢩ࣑࣮ࣗࣞࢩࣙࣥ⤖ᯝ࡜LR ࢩ࣑࣮ࣗࣞࢩࣙࣥ⤖ᯝ࠿ࡽᡂࡿᏛ⩦ࢹ࣮ࢱࢭࢵ
ࢺࢆసᡂࡋ㸪ࡑࡢࢹ࣮ࢱࢭࢵࢺࢆᏛ⩦ࡉࡏࡓ㉸ゎീჾࢆ⏝ពࡍࡿ㸬 LR ࢩ࣑࣮ࣗࣞࢩࣙࣥࡣ HR ࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ẚ࡭࡚ィ⟬ࢥࢫࢺࡀ㠀ᖖ࡟ᑠࡉࡃ㸪౛
࠼ࡤ 30 ศඛࡲ࡛ࡢ⾤༊ᚤẼ㇟ࡢண ࢆ 1 ศ⛬ᗘ࡛᭦᪂࡛ࡁࡿ࡜௬ᐃࡍࡿ㸬LR ࢩ࣑࣮ࣗࣞࢩࣙࣥ࠿ࡽ
ᚓࡽࢀࡿ LR ண ⤖ᯝࢆ㉸ゎീჾ࡟ࡼࡗ࡚ HR ண⤖ᯝ࡟ኚ᥮ࡍࡿࡇ࡜࡛㸪HR ண ⤖ᯝࢆࣜ࢔ࣝࢱ࢖
࣒࡟᭦᪂ࡍࡿࡇ࡜ࡀྍ⬟࡜࡞ࡿ㸬- 32 -J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ

㻌
ᅗ 6 SE-SRCNN㸦Squeeze-and-Excitation Super-Resolution Convolutional Neural Network㸧ࡢࢿࢵࢺ࣮࣡
ࢡ㸬"Conv2D"࡜᭩࠿ࢀࡓᅄゅᙧࡢୖࡢᩥᏐิࡣ࣮࢝ࢿࣝࢧ࢖ࢬ㸪ࣇ࢕ࣝࢱᩘ㸪ࢫࢺࣛ࢖ࢻࢧ࢖ࢬࢆ♧ࡍ㸬౛࠼ࡤ㸪"k9n64s1"ࡣ࣮࢝ࢿࣝࢧ࢖ࢬࡀ 99㸪64 ࣇ࢕ࣝࢱ㸪ࢫࢺࣛ࢖ࢻࢧ࢖ࢬ 11 ࢆ⾲ࡍ㸬㻌
ᅗ 7 2m 㧗ࡉ࡟࠾ࡅࡿẼ ศᕸࡢ㉸ゎീ⤖ᯝ౛㸬ୖẁࡀẼ ศᕸࢆ♧ࡋ㸪ᕥୖࡀཧ↷ゎ࡜ࡋ࡚ࡢ 5m ゎീᗘ⤖ᯝࢆ♧ࡍ㸬LR_Temperature ࡀ 20m ゎീᗘ⤖ᯝ㸦Low-Resolution㸧࡛࠶ࡾ㸪Bicubic ⿵㛫࠾ࡼࡧ࢖࣓࣮ࢪ
㉸ゎീ㸪≀⌮㉸ゎീ⤖ᯝࡀࡑࡢᶓ࡟♧ࡉࢀ࡚࠸ࡿ㸬ୗẁࡣ㸪ྑୗࡢᘓ≀㧗ࡉศᕸࢆ㝖࠸࡚㸪㉸ゎീ⤖ᯝ࡜ཧ↷ゎ࡜ࡢㄗᕪࢆ♧ࡍ㸬

informed SR, ࡶࡋࡃࡣ㸪༢࡟ Physics SR㸧ࢆୗࡢࡼ࠺࡟ࣞ࣋ࣝ 0㹼3 ࡲ࡛ᐃ⩏ࡋࡓ㸬㉸ゎീჾࢆᏛ⩦ࡉࡏࡿ࡟ࡣ᫬㛫ࡀ࠿࠿ࡿࡀ㸪Ꮫ⩦῭ࡳ㉸ゎീჾࢆ⏝࠸࡚ LR ⤖ᯝࢆ HR ᝟ሗ࡟⿵㛫ࡍࡿࡢ࡟ࡣ᫬㛫ࢆせࡋ࡞࠸ࡇ࡜ࢆ฼⏝ࡋ࡚㸪ࣜ࢔ࣝࢱ࢖࣒ᛶࢆ☜ಖࡍࡿ㸬ᐇ㝿㸪HR ࢆ 5m ゎീᗘ㸪LR ࢆ
20m ゎീᗘ࡜ࡋࡓሙྜ㸪2km ᅄ᪉ࡢ⾤༊࡟ᑐࡍࡿ
30 ศඛࡲ࡛ࡢ HR ண ⤖ᯝࢆࣜ࢔ࣝࢱ࢖࣒࡟᭦᪂
࡛ࡁࡿ㸦1 ศ⛬ᗘ࡛᭦᪂࡛ࡁࡿ㸧ࡇ࡜ࡀ☜ㄆࡉࢀ࡚࠸ࡿ [2]㸬

㉸ゎീჾࡢ≀⌮⪃៖ࣞ࣋ࣝ
Level 0: Image SR method
Level 1: Physics SR that utilizes supplemental HR
information
Level 2: Physics SR that utilizes statistical theory formapping between LR and HR images ≀⌮㉸ゎീ㏆ᖺ㸪῝ᒙࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ࡟≀⌮ἲ๎ࢆᏛ⩦ࡉࡏࡿྲྀࡾ⤌ࡳࡀ┒ࢇ࡟⾜ࢃࢀ࡚࠸ࡿ㸬Onishi
et al. (2019)[2]ࡣ㸪≀⌮ࢆᏛ⩦ࡋࡓ㉸ゎീ㸦Physics-ఏ⇕ 2021 ᖺ 10 ᭶

Level 3: Physics SR that directly utilizes governing
equations≀⌮ἲ๎ࢆᏛ⩦ࡉࡏࡎ㸪⏬ീࡢࡳࢆᏛ⩦ࡉࡏࡓࡶ- 33 -J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ
ࡢࡣ࢖࣓࣮ࢪ㉸ゎീ࡜࿧ࡤࢀ㸪≀⌮⪃៖ࣞ࣋ࣝ 0 ࡢ㉸ゎീ࡟ศ㢮ࡉࢀࡿ㸬Onishi et al.㸦2019㸧[2]ࡣ࢖࣓
࣮ࢪ㉸ゎീ࡟࡜࡝ࡲࡗ࡚࠸ࡓ㸬ᮏ✏࡛ࡣ㸪≀⌮⪃៖
ࣞ࣋ࣝ 1 ࡢ㉸ゎീჾࡢ㛤Ⓨ[13]࡟ࡘ࠸࡚ᴫㄝࡍࡿ㸬㒔ᕷ⾤༊ෆࡢẼ ศᕸࢆண ࡍࡿࡇ࡜ࢆ᝿ᐃࡋ㸪⾤༊ᚤẼ㇟ࢩ࣑࣮ࣗࣞࢩࣙࣥ࠿ࡽᚓࡽࢀࡓ㧗ࡉ 2m
࡟࠾ࡅࡿ 1 ศᖹᆒẼ ࡢỈᖹศᕸ⏬ീࢆ᝿ᐃࡍࡿ㸬ᅗ 6 ࡟㸪㛤Ⓨࡋࡓ῝ᒙࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࢆ♧ࡍ㸬Ẽ ศᕸࡢ LR ⏬ീ࠿ࡽ HR ⏬ീࢆ⏕ᡂࡍࡿࡢࡀࡇࡢࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࡢᶵ⬟࡛࠶ࡿ㸬ࡑࡢ㝿㸪Ẽ ศᕸࡔࡅ࡛࡞ࡃ㸪ࡑࡢ௚ࡢ≀⌮㔞ࡢศᕸࡶ⪃៖ࡍࡿࡇ࡜࡛㞃ࢀ࡚࠸ࡿ≀⌮ἲ๎ࢆᏛ⩦ࡉࡏࡿ㸬⪃៖ࡍࡿ」ᩘࡢศᕸ⏬ീࢆࢳࣕࢿࣝẖ࡟ධຊࡋ㸪ᢳฟࡉࢀࡓ≉ᚩ㔞ࡢ㔜せᛶࢆ࢔ࢸࣥࢩࣙࣥᶵᵓࡢ 1ࡘ࡛࠶ࡿ SE㸦Squeeze-and-Excitation㸧ࣈࣟࢵࢡࢆ㏻
ࡌ࡚ືⓗ࡟Ỵᐃࡍࡿ㸬
ᅗ 7 ࡟ᮾி㥐࿘㎶ࡢ 320m ᅄ᪉㸦5m ゎീᗘ㸪64×64
᱁Ꮚ㸧࡟࠾ࡅࡿ 2m 㧗ࡉ࡟࠾ࡅࡿẼ ศᕸࡢ㉸ゎീ⤖ᯝ౛ࢆ♧ࡍ㸬ࡇࡇ࡟♧ࡍ≀⌮㉸ゎീ࡛ࡣ㸪ධຊ࡜ࡋ࡚Ẽ ศᕸࡢ௚࡟㸪ᘓ≀㧗ࡉศᕸ㸪ᆅ⾲㠃࡟࠾ࡅࡿୗྥࡁ▷Ἴᨺᑕ㸦᪥ᑕ㸧ศᕸ㸪ᮾす᪉ྥ࠾ࡼࡧ༡
໭᪉ྥ㢼㏿ࡢศᕸࢆ⏝࠸ࡓ㸬࡞࠾㸪Ỉᖹ᪉ྥࡢィ⟬㡿ᇦࡣ 2km ᅄ᪉࡛࠶ࡾ㸪ࡑࡢ㡿ᇦࢆ 320m ᅄ᪉ࡢࢱ࢖ࣝ࡟ศ๭ࡋࡓୖ࡛㸪ࢱ࢖ࣝ༢఩࡛Ꮫ⩦ࢆ⾜ࡗࡓ㸬ᅗ࡟♧ࡉࢀ࡚࠸ࡿࡢࡣࡑࡢ୍ࡘࡢࢱ࢖࡛ࣝ࠶ࡾ㸪ᕥഃ࡟ࡣᮾி㥐ࡢ㧗ᯫ㸪ྑഃ࡟ࡣ㧗ᒙࣅࣝࡀ࠶ࡿ㸬
20m ゎീᗘẼ ศᕸ࠿ࡽ 5m ゎീᗘẼ ศᕸࢆᚓࡿ
ࡢࡀ௒ᅇࡢ㉸ゎീࡢ┠ⓗ࡜࡞ࡿ㸬࢖࣓࣮ࢪ㉸ゎീࢆ⏝࠸ࡓሙྜ㸪Bicubic ⿵㛫ࢆ⏝࠸ࡓ⤖ᯝ࡟ẚ࡭࡚㸪ࡼࡾࢥࣥࢺࣛࢫࢺࡀࡣࡗࡁࡾࡋࡓ⏬ീࡀᚓࡽࢀࡿ㸬ࡋ࠿ࡋ㸪⥺㊰㧗ᯫ࡟ࡼࡿᑠࢫࢣ࣮ࣝࡢศᕸᵓ㐀ࡣ෌⌧ࡉࢀ࡞࠸㸬୍᪉࡛㸪≀⌮㉸ゎീࢆ⏝࠸ࡓሙྜ࡟ࡣ㸪ࡑࡢᑠࢫࢣ࣮ࣝࡢศᕸᵓ㐀ࡲ࡛෌⌧ࡉࢀ࡚࠸ࡿ㸬⿵㛫ࡢ஧஌ᖹᆒᖹ᪉᰿ㄗᕪ RMSE ࡛ࡳࡿ࡜㸪Bicubic
࡛ࡣ 0.35 ᗘ࡛࠶ࡗࡓࡶࡢࡀ㸪≀⌮㉸ゎീࢆ⏝࠸ࡓሙྜ࡟ࡣ 0.18 ᗘ࡟ࡲ࡛పῶࡉࢀࡓ㸬ヲ㏙ࡣ┬ࡃࡀ㸪ࡇࡢㄗᕪ༙ῶ࡟ࡣᘓ≀㧗ࡉ᝟ሗࡀ኱ࡁࡃ㈉⊩ࡋࡓࡇ࡜ࡀࢃ࠿ࡗࡓ㸬ᅗ 7 ୗẁ࡟⿵㛫ㄗᕪࡢỈᖹศᕸࢆ♧ࡍ㸬Bicubic ࡸ࢖࣓࣮ࢪ㉸ゎീ࡛ࡣ㸪ᘓ≀ቨ㠃㏆ഐ࡛኱ࡁ࡞ㄗᕪࡀぢࡽࢀࡿ㸬୍᪉㸪≀⌮㉸ゎീ࡛ࡣ㸪ࡑࡢࡼ࠺࡞኱ࡁ࡞ㄗᕪࡀ࡞࠸㸬ࡇࢀࡣ㸪≀⌮㉸ゎീჾࡀᘓ≀࿘㎶࡛ࡣ≉Ṧ࡞ࡇ࡜ࡀ㉳ࡇࡿࡇ࡜ࢆᏛ⩦ࡋࡓ⤖ᯝ࡛࠶ࡿ㸬≀⌮ࢆᏛ⩦ࡉࡏࡿࡇ࡜࡛᱁ẁࡢ⿵㛫ᛶ⬟ྥୖࢆఏ⇕ 2021 ᖺ 10 ᭶

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ᚓࡽࢀࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓ㸬୍᪉࡛㸪ࣞ࣋ࣝ
0~3 ࡲ࡛࠶ࡿ≀⌮⪃៖࡛ࣞ࣋ࣝ࠸࠺࡜㸪ࡲࡔࣞ࣋ࣝ
1 ࡢẁ㝵࡛࠶ࡿ㸬௒ᚋࣞ࣋ࣝࢆୖࡆࡿࡇ࡜࡛㸪࡝ࡇࡲ࡛ࡢ⿵㛫⢭ᗘࡢྥୖࢆᚓࡽࢀࡿ࠿ࢆ᫂ࡽ࠿࡟ࡍ
ࡿ㸬㸲㸬࠾ࢃࡾ࡟
⇕୰⑕ࣜࢫࢡࢆ✚ᴟⓗ࡟పῶࡍࡿࡓࡵ࡟㸪౛࠼ࡤ㒔ᕷ⾤༊࡟࠾ࡅࡿ⇕୰⑕ࣜࢫࢡࢆ᭱ᑠ໬ࡍࡿேὶ
ไᚚࢧ࣮ࣅࢫࡢᐇ⌧ࡀᮃࡲࢀࡿ㸬ࡑࡢࡼ࠺࡞㏆ᮍ᮶♫఍ࢧ࣮ࣅࢫࡢᐇ⌧࡟ࡣ㸪⾤༊⇕⎔ቃࡢࣜ࢔ࣝࢱ࢖࣒ண ᝟ሗࡀᚲせ࡜࡞ࡿ㸬ࡋ࠿ࡋ㸪⾤༊ᚤẼ㇟ࢩ࣑࣮ࣗࣞࢩࣙࣥࡢィ⟬ࢥࢫࢺࡣ⏒኱࡛࠶ࡾ㸪ࢩ࣑࣮ࣗࣞࢩࣙࣥ⛉Ꮫࡢຊࡔࡅ࡟㢗ࡗ࡚࠸ࡓࡢ࡛ࡣ㸪ࡑࡢࣜ࢔ࣝࢱ࢖࣒ண ࡢᐇ⌧࡟ࡣᩘ༑ᖺ࠿࠿ࡿ㸬ࡑࡇ࡛㸪ⴭ⪅ࡽࡣ㸪῝ᒙᏛ⩦ࢆ⏝࠸ࡓ㉸ゎീᢏ⾡࡜ண ࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⼥ྜά⏝ࡍࡿ㸪㉸ゎീࢩ࣑࣮ࣗࣞࢩ
ࣙࣥἲ࡜࿧ࡤࢀࡿ AI ⼥ྜࢩ࣑࣮ࣗࣞࢩࣙࣥᢏ⾡ࢆ㛤Ⓨࡋࡓ[2]㸬ᙜึࡣ≀⌮ࢆ⪃៖ࡏࡎ࡟⏬ീ᝟ሗࡢࡳࢆᏛ⩦ࡉࡏࡿ࢖࣓࣮ࢪ㉸ゎീჾࢆ㛤Ⓨࡋࡓࡀ㸪ᮏ✏࡛⤂௓ࡋࡓࡼ࠺࡟㸪≀⌮ࢆ⪃៖ࡋࡓ㉸ゎീჾࢆ㛤Ⓨࡋ㸪኱ᖜ࡞⿵㛫ᛶ⬟ྥୖࢆ㐩ᡂࡋࡓ[13]㸬୍᪉࡛㸪
ࣞ࣋ࣝ 0㹼3 ࡲ࡛࠶ࡿ≀⌮⪃៖ࣞ࣋ࣝ[2]࡛࠸࠺࡜㸪ࡲࡔࣞ࣋ࣝ 1 ࡢẁ㝵࡛࠶ࡿ㸬௒ᚋࣞ࣋ࣝࢆୖࡆ࡚࠸
ࡃࡇ࡜࡛㸪⿵㛫⢭ᗘ࡜ỗ⏝ᛶࡢྥୖࢆᅗࡿ㸬ㅰ㎡
኱つᶍᩘ್ࢩ࣑࣮ࣗࣞࢩࣙࣥࡣᾏὒ◊✲㛤Ⓨᶵᵓࡢᆅ⌫ࢩ࣑࣮ࣗࣞࢱࢆ⏝࠸࡚⾜ࢃࢀ㸪ᶵᲔᏛ⩦ࡣᾏὒ◊✲㛤Ⓨᶵᵓࡢ DA ࢩࢫࢸ࣒࠾ࡼࡧᮾிᕤᴗ
኱Ꮫࡢ TSUBAME3.0 ࢆ⏝࠸࡚⾜ࢃࢀࡓ㸬⛉◊㈝Ꮫ
⾡ኚ㠉㡿ᇦ(B)ࠕᚤẼ㇟ไᚚᏛࠖ㡿ᇦ㸦ㄢ㢟␒ྕ㸸
20B207㸧ࡢᨭ᥼ࢆཷࡅࡓ㸬᭱ᚋ࡟㸪ᇳ➹ࡢᶵ఍ࢆ୚
࠼࡚ࡃࡔࡉࡗࡓ⦅㞟ጤဨ఍࡟ឤㅰ࠸ࡓࡋࡲࡍ㸬ཧ⪃ᩥ⊩[1] ⸨㒊ᩥ᫛, ᬬ⇕(⇕୰⑕)࡟ࡼࡿᅜෆṚ⪅ᩘ࡜ኟᏘẼ ࡢ㛗ᮇኚື, ኳẼ, 408 (2013), pp.371-381.
[2] Onishi, R., Sugiyama, D. and Matsuda, K., SuperResolution Simulation for Real-Time Prediction of
Urban Micrometeorology”, SOLA, 15 (2019) 178182.
[3] Takahashi, K., Onishi, R., Baba, Y., Kida, S.,
Matsuda, K., Goto, K., and Fuchigami, H.,

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Simulation Model (PALM) version 4.0 for
atmospheric and oceanic flows: model formulation,
recent developments, and future perspectives,
Geosci. Model Dev., 8 (2015), pp.2515-2551.
[10]Kamiya, T., Onishi, R., Kodera, S. and Hirata, A.,
Estimation of Time-Course Core Temperature andWater Loss in Realistic Adult and Child Models with
Urban Micrometeorology Prediction, Int. J. Environ.
Res. Public Health, 16, 5097 (2019)

Challenge toward the prediction of typhoon
behaviour and down pour, J. Phys.: Conf. Ser., 454(2013) 012072.
[4] Onishi, R., and Takahashi, K., A Warm-Bin–ColdBulk Hybrid Cloud Microphysical Model, Journal of
the Atmospheric Sciences, 69 (2012) 1474-1497[5] Sasaki, W., Onishi, R., Fuchigami, H., Goto, K.,
Nishikawa, S., Ishikawa, Y., and Takahashi, K., MJO
simulation in a cloud-system-resolving global
ocean-atmosphere coupled model, GeophysicalResearch Letters, 43 (2016) 9352–9360.
[6] Matsuda, K., Onishi, R. and Takahashi, K., Treecrown-resolving large-eddy simulation coupled withthree-dimensional radiative transfer model, J. Wind
Eng. Indust. Aerodyn. 173 (2018) 53-66.

[11]㒔ᕷ✵㛫࡛ࡢヲ⣽࡞⇕୰⑕ࣜࢫࢡホ౯ᢏ⾡ࡢ㛤Ⓨ࡟ᡂຌࠥࡼࡾᏳᚰ࣭Ᏻ඲࡞⾜ື㑅ᢥ࡟ྥࡅ࡚ ࠥ 㸦 ࣉ ࣞ ࢫ ࣜ ࣜ ࣮ ࢫ 㸧 ,www.jst.go.jp/pr/announce/20190723-2/index.html[12]Dong, C., Loy, C.C, He, K., and Tang, X., Learninga deep convolutional network for image superresolution, In European Conference on Computer
Vision, (2014) 184-199.
[13]Yasuda, Y., Onishi, R., Hirokawa, Y., Kolomenskiy,
D. and Sugiyama, D., Physics-Informed SuperResolution for Real-Time Prediction of Urban
Micrometeorology, arXiv:2108.00806.

[7] MiraikanChannel, ᮾ ி ࣄ ࣮ ࢺ ࢔ ࢖ ࣛ ࣥ ࢻ :youtu.be/EMm9La3riNA[8] Ikeda, R., Kusaka, H., Iizuka, S., Boku, T. andAkimoto, Y., Development of Parallelized Urban
Meteorological Model, Proceedings of 8thInternational Conference on Urban Climates (2012),
pp.587-589.
[9] B. Maronga et al., The Parallelized Large-Eddyఏ⇕ 2021 ᖺ 10 ᭶

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ᶵᲔᏛ⩦ࢆ⏝࠸ࡓẼᾮ஧┦ὶࡢὶືᵝᘧ㆑ู
Gas-Liquid Two-Phase Flow Regime Identification using Machine Learning Techniques

୕㍯ ಟ୍㑻㸦ᮾி኱Ꮫ㸧
Shuichiro MIWA (The University of Tokyo)
e-mail: miwa@vis.t.u-tokyo.ac.jp
Keras ➼ࡢࣇ࣮࣒࣮ࣞ࣡ࢡࢆ୍ᗘࡣ⪥࡟ࡉࢀࡓఏ
⇕Ꮫ఍఍ဨࡢ᪉ࡶከ࠸ࡢ࡛ࡣ࡞࠸࡛࠶ࢁ࠺࠿㸬ࡇࢀࡽࡢࣇ࣮࣒࣮ࣞ࣡ࢡ⎔ቃࡣࢥ࣐ࣥࢻᩘ⾜࡛ PCୖ࡟ᐇ⿦ྍ⬟࡛࠶ࡾ㸪ᐙ㟁㔞㈍ᗑ࡛㈍኎ࡉࢀ࡚࠸
ࡿࢤ࣮࣒⏝ࡢ GPU ࢆ⏝࠸ࢀࡤ㸪୍᫇๓࡛ࡣࣛ࣎ࣞ
࡛࣋ࣝ㛤Ⓨࡋ࡚࠸ࡓ㟼Ṇ⏬ࡸື⏬୰ࡢ⏬ീ㆑ูࡸ≀య᳨ฟ࡜࠸ࡗࡓࣁ࢖ࢥࢫࢺ࡞㧗㏿⏬ീฎ⌮ࡶྍ⬟࡛࠶ࡿ㸬ࡘࡲࡾ㸪῝ᒙᏛ⩦➼ࡢ᭱᪂࢔ࣝࢦࣜࢬ
࣒ࢆ⏝࠸ࡓ⏬ീ㆑ู➼ࡢࢶ࣮ࣝࢆಶே࡛ᐜ᫆࡟㛤Ⓨ࣭ࢳ࣮ࣗࢽࣥࢢ࡛ࡁࡿࡼ࠺࡟࡞ࡗࡓ࡜࠸࠺ࡇ࡜
ࢆព࿡ࡍࡿ㸬ࡇࢀࡣ㸪ィ⟬ὶయຊᏛ࡟࠾ࡅࡿỗ⏝
CFD ࡢࡼ࠺࡟㸪ᶵᲔᏛ⩦ࡣ㧗ḟඖ࣭኱つᶍࢹ࣮ࢱ࠿ࡽࡢ┦㛵ࢆぢࡘࡅฟࡍỗ⏝ࢶ࣮ࣝ࡜ࡋ࡚ᬑཬࡋ
࡚࠸ࡃࡢࡣ࡯ࡰ☜ᐇ࡛࠶ࡿ࡜⪃࠼࡚㛫㐪࠸ࡣ↓ࡃ㸪ᡃࠎࡣ኱ኚ Exciting ࡞᫬௦ࡢ ୰࡟❧ࡗ࡚࠸ࡿࡢ
࡛ࡣ࡞࠸࡛࠶ࢁ࠺࠿㸬ᮏ✏࡟࠾࠸࡚ࡣ㸪➹⪅ࡢ⮬ᕫ⤂௓ࡶවࡡࡓ㞧➹࡟࠾௜ࡁྜ࠸㡬࠸ࡓᚋ㸪Ẽᾮ஧┦ὶࡢ⤂௓࡜㸪AI
ᢏ⾡ᛂ⏝౛ࢆ⤂௓ࡉࡏ࡚㡬ࡁࡓ࠸࡜ᛮ࠺㸬㸯㸬ࡣࡌࡵ࡟
ᮏ✏ࢆᇳ➹ࡋ࡚࠸ࡿ 2021 ᖺኟ⌧ᅾ㸪᪥ᮏ࡟࠾ࡅ
ࡿ➨୕ḟ AI ࣈ࣮࣒࡟ࡶᑡࡋࡎࡘⴠࡕ╔ࡁࡀぢࡽࢀ㸪ᵝࠎ࡞⏝㏵࡟ᛂࡌ࡚ AI ᢏ⾡ࢆࠕᐇ⿦ࠖࡍࡿ
ẁ㝵࡟⛣⾜ࡋ࡚࠸ࡿࡼ࠺࡟➹⪅ࡣឤࡌ࡚࠸ࡿ㸬᭩ᗑ࡟୪ࡪ AI 㛵㐃ࡢᢏ⾡᭩ࡶ㸪ࢥ࣮ࢻ࡟ࡼࡿᛂ⏝౛ࡸᐇ⿦ࢆࣇ࢛࣮࢝ࢫࡋࡓࡶࡢࡀ┠❧ࡕ㸪⣽ศ໬ࡀ㐍ࢇ࡛࠸ࡿ༳㇟ࢆཷࡅࡿ㸬YouTube ➼࡟ୖࡀࡗ࡚࠸ࡿᶵᲔᏛ⩦㛵㐃ື⏬ࡶ㧗෌⏕ᩘࢆᙎࡁฟࡋ࡚
࠸ࡿࡶࡢࡶከࡃ㸪AI㸦ᅗ 1㸸ᶵᲔᏛ⩦ࡸ῝ᒙᏛ⩦ࢆྵࡴ㸧ᛂ⏝࡬ࡢ㛵ᚰࡀ౫↛㧗࠸ࡇ࡜ࡀఛ࠼ࡿ㸬ᅗ 1 AI㸪ᶵᲔᏛ⩦㸪῝ᒙᏛ⩦ࡢᴫᛕ
㸰㸬3XUGXH ኱ᏛᕤᏛ㒊࡛ࡢ $,
 ➹⪅ࡣ⡿ᅜ Purdue ኱Ꮫ࡟࡚⎔ቃᕤᏛ㸦Civil/
Environmental Engineering㸧ᑓᨷ࡜ࡋ࡚Ꮫ㒊ࢆ༞ᴗࡋ㸪2006 ᖺࡼࡾ⇞ᩱ㟁ụ࡟࠾ࡅࡿ⇕ὶయࣔࢹࣝࡢ
◊✲ࢆ⾜࠺ࡓࡵཎᏊຊᕤᏛ⛉ࡢಟኈㄢ⛬࡟㐍ࢇࡔ㸬ࡇࡢ㐍㊰ኚ᭦㸦㸽㸧ࡀࠕAIࠖࢆ⪥࡟ࡍࡿࡁࡗ࠿ࡅ
࡜࡞ࡿ㸬኱Ꮫ㝔ධᏛᙜ᫬ࡢᏛ⛉㛗ࡀ Computer
Science㸦CS㸧ࡢᏛ఩ࢆᣢࡘ Lefteri Tsoukalas ᩍᤵ࡛࠶ࡾ㸪ࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࡸࣇ࢓ࢪ࣮⌮ㄽ࡜࠸ࡗࡓேᕤ▱⬟ᢏ⾡ࢆཎᏊຊࢩࢫࢸ࣒Ᏻ඲࡬ᛂ
⏝ࡍࡿ◊✲ࢆᑓ㛛࡜ࡍࡿඛ⏕࡛࠶ࡗࡓ㸬ࡘࡲࡾ㸪ཎᏊຊᕤᏛ⛉ࡢᏛ⛉㛗ࡀ AI ◊✲⪅࡛࠶ࡗࡓ࡜࠸
࠺ヂ࡛࠶ࡿ㸬ᙜ᫬ࡢ AI ࡣ㸪➨஧ḟࡢࣈ࣮࣒࠿ࡽ
㛗࠸ṓ᭶ࡀ⤒㐣ࡋࡓୗⅆ࣒࣮ࢻ࡛࠶ࡾ㸪AI ◊✲⪅ࡣ⢔ࠎ࡜◊✲㛤Ⓨࢆ⥅⥆ࡋ࡚࠸ࡓ᫬௦࡛࠶ࡿ㸬ࠕࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࠖ࡜ゝ࠼ࡤ࢖ࣥࢳ࢟⮯࠸༳ᅜෆእࡢᕤᏛ⣔Ꮫ఍࡟࠾࠸࡚ࡶ㸪AI ᛂ⏝ࢆᛕ㢌࡟࠾࠸ࡓᵝࠎ࡞ศ⛉఍ࡀ❧ࡕୖࡀࡾ㸪ᛂ⏝࡜ࡋ࡚⏝࠸ࡿᶵᲔᏛ⩦ࡢྍ⬟ᛶ࡜㝈⏺ࡀᑡࡋࡎࡘྍど໬ࡉࢀࡘࡘ࠶ࡿࡼ࠺࡟ឤࡌࡿ㸬῝ᒙᏛ⩦ࡢࡼ࠺࡞ᶵᲔ
ᕤᏛ⣔࠿ࡽࡣẚ㍑ⓗࠕ㐲࠸ࠖᢏ⾡ࢆ⏝࠸࡚ࢥ࣮ࢻ
ࢆ᭩ࡁୖࡆࡿ㝿㸪୍᫇๓ࡲ࡛ࡣᐇ⿦࡟క࠺᝟ሗྲྀ
ᚓ࡟ᴟࡵ࡚㧗࠸ࣁ࣮ࢻࣝࡀᏑᅾࡋ㸪Ꮫ఍➼ࡢሙ࡛ࡢ᝟ሗ཰㞟ࡀᚲせ୙ྍḞ࡛࠶ࡗࡓ㸬῝ᒙࢽ࣮ࣗࣛ
ࣝࢿࢵࢺ࣮࣡ࢡ➼ࢆࢮࣟ࠿ࡽᐇ⿦ࡍࡿ࡟ࡣ㸪ࡑࡢ㐨࡟ヲࡋ࠸◊✲ᐊ࡟ᡤᒓࡍࡿ➼㸪㑅ᢥ⫥ࡀ㝈ࡽࢀ࡚࠸ࡓ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪᝟ሗࡸࢯࣇࢺ࢙࢘࢔ࡑࡢ
ࡶࡢ࡟౯್ࡀ࠶ࡗࡓ᫬௦࠿ࡽ㸪࢖ࣥࢱ࣮ࢿࢵࢺ⤒⏤࡛ඹ᭷ࡉࢀࡓࢥ࣮ࢻࢆ࣮ࣘࢨ࣮ྠኈࡀ᭦᪂ࡋྜ
࠸㸪ⱥ▱ࢆ⤖㞟ࡋ࡚ࡼࡾⰋ࠸≀ࢆసࡾୖࡆࡿ᫬௦
࡟⛣⾜ࡋࡘࡘ࠶ࡿࡼ࠺࡟ᛮ࠼ࡿ㸬TensorFlow ࡸఏ⇕ 2021 ᖺ 10 ᭶

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㇟ࢆᢪ࠿ࢀࡓ᫬௦࡛࠶ࡾ㸪Support Vector Machine➼ࡢᶵᲔᏛ⩦࢔ࣝࢦࣜࢬ࣒ࡀ௦ࢃࡾ࡟⬮ගࢆᾎࡧ࡚࠸ࡓ㸬➹⪅ࡶ㸪AI ࡣ SF ᑠㄝ➼࡛ࡋ࠿⪥࡟ࡋࡓࡇ࡜ࡀ↓ࡃ㸪AI ࡑࡢࡶࡢࡀලయⓗ࡟࡝ࡢࡼ࠺࡞▱㆑ࢆᣦࡍࡢ࠿ぢᙜࡀ௜࠿࡞࠿ࡗࡓ㸦▱㆑ࡢᐃ⩏ࡀ᭕᫕࡞ࡢࡣ⌧ᅾࡶኚࢃࡽ࡞࠸ࡼ࠺࡛ࡣ࠶ࡿࡀ͐㸧㸬⌧ ᅾ ࡟ ࠾ ࠸ ࡚ ࡶ 㸪 AI ࡸ ᶵ Ე Ꮫ ⩦ 㸦 Machine
Learning㸧ࡢᐃ⩏ࡣᵝࠎ࡛࠶ࡿࡀ㸪୍⯡ⓗ࡟ࡣ A.L.
Samuel ࡟ࡼࡿࠕ᫂♧ⓗ࡟ࣉࣟࢢ࣑ࣛࣥࢢࡍࡿࡇ࡜
࡞ࡃ㸪ࢥࣥࣆ࣮ࣗࢱ࣮࡟Ꮫࡪ⬟ຊࢆ୚࠼ࡼ࠺࡜ࡍ
ࡿ◊✲ศ㔝ࠖࡀ୍⯡໬ࡉࢀࡓࡶࡢࡢࡼ࠺ࡔ㸬ࡇࢀࡀཎᏊຊᕤᏛ࡜࡝ࡢࡼ࠺࡟ࣜࣥࢡࡍࡿࡢ࠿ᙜ᫬ࡣ
඲ࡃศ࠿ࡽ࡞࠿ࡗࡓࡀ㸪ࠕ⡿ᅜ┠⥺࡛ࠖࡢཎᏊຊࡢ
ṔྐࢆᏛࡪࡇ࡜࡛ࣄࣥࢺࢆᚓࡿࡼ࠺࡟࡞ࡿ㸬ࡇࢀ
ࡲ࡛࡟Ⓨ⏕ࡋࡓཎᏊຊ㐣㓞஦ᨾࡢ࠺ࡕ㸪⡿ᅜࡣࢫ࣮࣐ࣜ࢖ࣝᓥ㸦TMI㸧஦ᨾࢆ 1979 ᖺ࡟⤒㦂ࡋ࡚࠸ࡿ㸬ヲࡋࡃࡣ㸪Wikipedia ➼ࢆཧ↷ࡉࢀࡓ࠸ࡀ㸪ࡇࡢ஦ᨾࡢᩍカࡣ㸪᝿ᐃእࡢ␗ᖖ࡟㐼㐝ࡍࡿ࡜ேࡣ
ࣃࢽࢵࢡ࡟㝗ࡾ㸪࣐ࢽࣗ࢔ࣝ㏻ࡾࡢཝ᱁࡞カ⦎ࢆ✚ࢇࡔࡣࡎࡢ㐠㌿ဨ࡛࠶ࡗ࡚ࡶุ᩿ࢆㄗࡾ㸪ㄗ᧯సࢆ㉳ࡇࡍ࡜࠸࠺Ⅼ࡛࠶ࡿ㸬ࡇࡢ஦ᨾ௨㝆㸪ࠕカ⦎ࢆ✚ࢇࡔ㐠㌿ဨࡶࣄ࣮࣐࢚࣮ࣗࣥࣛࢆ㉳ࡇࡍࠖㄆ㆑ࡀᐃ╔ࡋ㸪Ꮫ⩦ࢹ࣮ࢱࡢ≉ᛶ࡟ᚑࡗ࡚ಙྕࢆฟ
ຊࡍࡿࢹ࣮ࢱ㥑ືᆺࡢࣉࣛࣥࢺ≧ἣデ᩿ࡀᑟධࡉ
ࢀࡿࡁࡗ࠿ࡅ࡜࡞ࡾ㸪ཎᏊຊศ㔝࡟࠾ࡅࡿ AI ᛂ⏝ࡀᮏ᱁໬ࡍࡿࡇ࡜࡟࡞ࡿ㸬໚ㄽ㸪᭱⤊ⓗ࡞ุ᩿ࢆᶵᲔ࡟ጤࡡࡿ࠿㸪ே㛫ࡢุ᩿ࢆඃඛࡉࡏࡿ࠿ࡣ
㞴ࡋ࠸ࢸ࣮࣐࡛࠶ࡾ㸪ᕤᏛศ㔝࡟࠾࠸࡚⤯ᑐⓗ࡞ṇゎࡣᏑᅾࡋ࡞࠸㸬⌧࡟㸪᭱᪂ࡢࢥࢡࣆࢵࢺタィ࡛᧯⦪ࣁࣥࢻࣝࢆ↓ࡃࡋ࡚ࡋࡲࡗࡓ࢚࢔ࣂࢫ♫࡜㸪ࣁࣥࢻࣝࢆ⥔ᣢࡍࡿ࣮࣎࢖ࣥࢢ♫ࡢ㐪࠸࡟ぢࡽࢀࡿࡼ࠺࡟㸪タィᛮ᝿࡟࠾ࡅࡿᏳ඲ࡢ⪃࠼᪉ࡶᅜࡸ
ᩥ໬࡟ࡼࡗ࡚␗࡞ࡿഴྥ࡟࠶ࡿ㸬ࡋ࠿ࡋ㸪ၥ㢟ゎỴ⟇ࢆ୍้ࡶ᪩ࡃ᳨ウࡋ㸪㐙⾜ࡍࡿᐇ⾜ຊ࡜ࢩࢫࢸ࣒ᵓ⠏ࡢ㏿ࡉࡣ⡿ᅜࡢ෶ࡳ࡛࠶ࡾ㸪㉸኱ᅜ࡟ྩ⮫ࡋ⥆ࡅ࡚࠸ࡿ⌮⏤ࡢ୍ࡘ࡜⪃࠼ࡽࢀࡿ㸬ࡇࡇࡒ࡜࠸࠺᫬ࡢຊࡣ㸪Operation Warp Speed ࡛ Covid-19
࣡ࢡࢳࣥࢆసࡾୖࡆ᭷ゝᐇ⾜ࡋ࡚ࡋࡲࡗࡓ⌧ᅾࡶ೺ᅾ࡛࠶ࡿࡼ࠺࡟ᛮ࠼ࡿ㸬ࢿ࢞ࢸ࢕ࣈ࡞ពぢ࡛ᜍ⦰࡛ࡣ࠶ࡿࡀ㸪᪥ᮏ࡛࠶ࢀࡤ㸪ࠕ㐠㌿ဨࡢカ⦎࣐ࢽࣗ࢔ࣝᣑ඘ࠖ
ࠕ஦ᨾㄪᰝጤဨ఍࡟ࡼࡿሗ࿌᭩ࠖ➼㸪᪤Ꮡࡢࢩࢫࢸ࣒ࡢ✚ࡳୖࡆ࡟ືࡁ㸪ጤဨ఍ࡸ఍㆟ࢆ㐃Ⓨࡋ࡞ࡀࡽ㸪ࡶࡸࡶࡸ࡜ࡋࡓࡲࡲඛ㏦ࡾࡉࢀ
ࡿ࠿ᛀࢀཤࡽࢀ࡚ࡋࡲ࠺ࡢ࡛ࡣ↓࠸࡛࠶ࢁ࠺࠿͐㸬ఏ⇕ 2021 ᖺ 10 ᭶ Tsoukalas ᩍᤵࡢᤵᴗ࡟ຍ࠼㸪➹⪅ࡀᶵᲔᏛ⩦࡟⯆࿡ࢆᢪࡃࡁࡗ࠿ࡅ࡜࡞ࡗࡓࡶ࠺୍ࡘࡢฟ఍࠸࡟
ࡘ࠸࡚ࡶ㏙࡭ࡓ࠸㸬➹⪅ࡀᙜ᫬ୡヰᙺࢆࡋ࡚࠸ࡓ
Purdue ኱Ꮫ᪥ᮏே኱Ꮫ㝔⏕ࢢ࣮ࣝࣉ୺ദࡢᗙㄯ఍
࡟⚟Ọᆂஅ௓㸦Keinosuke Fukunaga㸧ྡ㄃ᩍᤵࢆᣍ
ᚅࡋ㸪⡿ᅜ࡟᮶ࡽࢀࡓ⤒⦋ࡸࡈ⮬㌟ࡢ◊✲⌮ᛕ➼ࢆ࠾ヰ㡬࠸ࡓ㸬⚟Ọඛ⏕ࡢࡈᑓ㛛ࡣࠕ⤫ィⓗࣃࢱ࣮ࣥㄆ㆑࡛ࠖ㸪ᅜෆ᯾㟁ᶵ࣓࣮࣮࡛࣮࢝ࣞࢲ࣮ࡢ
◊✲࡟ᚑ஦ࡋ࡚࠸ࡓ㡭࡟ᅜ㝿఍㆟࡛Ⓨ⾲ࡋࡓ◊✲ᡂᯝࡀ Purdue ኱ࡢ┠࡟␃ࡲࡾ㸪ຓᩍᤵ࣏ࢫࢺࡢ࢜
ࣇ࢓࣮ࡀ࠶ࡗࡓ࡜ࡢࡇ࡜࡛࠶ࡗࡓ㸬1 ࢻࣝ㸻360
෇ࡢᅛᐃⅭ᭰ࡢ᫬௦࡛㸪ୡ⏺᝟ໃࡣ⡿ࢯ෭ᡓࡢ┿ࡗࡓࡔ୰㸬ᙜ᫬ࡢ⡿ᅜࡣ᰾ᡓத࡟ഛ࠼㸪࣑ࢧ࢖ࣝ㜵⾨ࡢ◊✲࡟ຊࢆධࢀ࡚࠸ࡓࡀ㸪ከᙎ㢌໬ࡉࢀࡓᙎ㐨࣑ࢧ࢖ࣝ࡟ྵࡲࢀࡓࢹࢥ࢖㸦ഇࡢ᰾ᙎ㢌㸧ࢆ࣮ࣞࢲ࣮ࡸ㉥እ⥺➼ࡢಙྕ࠿ࡽ▐᫬࡟ุูࡋ㸪ᮏ≀ࡢ᰾ᙎ㢌ࢆ㏄ᧁࡍࡿᢏ⾡ࢆࣃࢱ࣮ࣥㄆ㆑࡟ࡼࡾ
☜❧ࡋࡼ࠺࡜ࡋ࡚࠸ࡓࡼ࠺ࡔ㸬SF ᑠㄝ࡟࡛ࡶฟ࡚
ࡁࡑ࠺࡞ヰ࡟⾪ᧁࢆཷࡅࡓグ᠈ࡀ࠶ࡿ㸬㸦⯆࿡ᮏ఩᳨࡛⣴ࡋ࡚ࡳࡓ࡜ࡇࢁ㸪㏆ᖺ࡛ࡣࢹࢥ࢖ᑐ⟇࡜ࡋ࡚ࣃࢱ࣮ࣥㄆ㆑ࡑࡢࡶࡢࡢᙉ໬࡛ࡣ↓ࡃ㸪㏄ᧁഃࡶከᙎ㢌໬ࡋ࡚ࡋࡲ࠺Ⓨ᝿ࡀ୺ὶࡢࡼ࠺࡛࠶ࡿ
㸦ᅗ 2㸧㸬ࡇࡢ᝿ീຊࢆே㢮ࡀ┤㠃ࡍࡿẼೃኚືࡸ㈋ᅔ࣭㣗ᩱၥ㢟➼࡟ᛂ⏝࡛ࡁ࡞࠸ࡶࡢ࠿㸬ᝒࡋࡃࡶ㸪⛉Ꮫᢏ⾡ࡢࣈ࣮ࣞࢡࢫ࣮ࣝࡢከࡃࡀ㌷஦฼⏝ࢆᛂ⏝࡜ࡋࡓᇶ♏◊✲࠿ࡽὴ⏕ࡍࡿሙྜࡀከ࠸ࡼ
࠺࡛࠶ࡿ㸬
㸧

- 37 -

ᅗ 2 Ᏹᐂ✵㛫㏄ᧁᙎ㢌ࡢ≉チ᱌ [1] ᑡࡋヰࡀ⬺⥺ࡋࡓࡀ㸪௨ୖࡢ࢚ࣆࢯ࣮ࢻ࠿ࡽࡢ
࣏࢖ࣥࢺࡣ 2 Ⅼ࡛࠶ࡿ㸬ࡲࡎࡣ㸪⡿ᅜ኱ᏛᕤᏛ㒊࡛ࡣ඲ศ㔝࡟࠾࠸࡚Ꮫ㒊୍ᖺḟ࠿ࡽ IT/ࣉࣟࢢ࣑ࣛࣥࢢᩍ⫱࡟ຊࢆධࢀ࡚࠸ࡿⅬ࡛࠶ࡿ㸬Purdue ኱Ꮫࡢሙྜ㸪 ᖺ┠ࡢ Freshman Engineering ࡢ࢝ࣜ࢟J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ
࣒࡛ࣗࣛ MATLAB ࡜ C ゝㄒ㸪Fortran㸦➹⪅ᅾ⡠᫬ࡣ㸧UNIX ࡢ౑࠸᪉ࢆ྇ࡁ㎸ࡲࢀࡿ㸬Python➼ࡢ᪂ࡓ࡞ゝㄒࢆᏛࡪୖ࡛㸪ࡇࡢ࣒࢝ࣜ࢟ࣗࣛࡼ
ࡾᚓࡓ⤒㦂ࡀ➹⪅࡟࡜ࡗ࡚ࡣ௒࡛ࡶᙺ࡟❧ࡗ࡚࠸ࡿ㸬ࣉࣟࢢ࣑ࣛࣥࢢࢆጞࡵࡿ㝿㸪࡝ࡢゝㄒࢆ㑅ࡪࡢࡀⰋ࠸࠿࡜ࡢ㉁ၥࡀ㢖⦾࡟࠶ࡿࡀ㸪➹⪅ࡢឤぬ࡜ࡋ࡚ࡣ R ࡛࠶ࢀ Python ࡛࠶ࢀ㸪࡝ࢀ࠿୍ࡘ࡟⤠ࡾ㸪⥅⥆ࡋ࡚ㄢ㢟ࡸ◊✲࡟౑࠸⥆ࡅࡿࡇ࡜ࡀ኱஦
࡛࠶ࡿ࡜⪃࠼ࡿ㸬࠸ࢃࡺࡿ IT ࡸࣉࣟࢢ࣑ࣛࣥࢢࢫ
࢟ࣝ࡜ࡣ㸪debug ➼ࡢࢺࣛࣈࣝࢩ࣮ࣗࢸ࢕ࣥࢢࢆ
୍ࡘ࡛ࡶከࡃ⤒㦂ࡍࡿࡇ࡜࡛ᚓࡽࢀࡿࠕ㎿㏿࡞ᑐ
ᛂຊࠖࡀ኱ࡁ࡞๭ྜࢆ༨ࡵࡿ࡜⪃࠼ࡿ㸬ࡇࢀࡣ⇕ὶືศ㔝࡟ࡶヱᙜࡍࡿࡇ࡜࡛࠶ࡾ㸪ᐇ㦂ᐊࡸゎᯒ࣐ࢩࣥ๓࡛ࡢࢺࣛࣈࣝࢩ࣮ࣗࢸ࢕ࣥࢢຊࡀ㸪◊✲⪅࡜ࡋ࡚ࡢᡂ㛗࡟┤⤖ࡍࡿⅬࡣ኱ࡁࡃ㸪Ꮫ⏕᫬௦࡟㸦ࠕㄽᩥ༤ኈ࡛ࠖࡣ⤒㦂࡛ࡁ࡞࠸㸧◊✲ᐊ࡛ࡢ⏕ࡁࡓ⤒㦂ࢆ୍᪥࡛ࡶከࡃᚓࡿࡇ࡜ࡀ㔜せ࡛࠶ࡿ࡜ឤࡌࡿ㸬⡿ᅜࡢ࣒࢝ࣜ࢟ࣗࣛ࡟ᑐࡋ㸪ᅜෆ኱Ꮫࡣ࠸࠿ࡀ
࡛࠶ࢁ࠺࠿㸬➹⪅ࡀᡤᒓࡍࡿ໭኱࡛ࡣࣉࣟࢢ࣑ࣛ
ࣥࢢࡢ⤒㦂ࡣ࠾ࢁ࠿㸪㏆ᖺ࡛ࡣᶵᲔ⣔࡟࠾࠸࡚ࡶ
ࣃࢯࢥࣥࢆᡤ᭷ࡋ࡚࠸࡞࠸Ꮫ⏕ࡀቑ࠼ࡘࡘ࠶ࡾ㸪࣏࣮ࣞࢺㄢ㢟ࢆ LINE ឤぬ࡛ࢫ࣐࣍㏦ಙࡍࡿ⪅ࡲ࡛ฟ⌧ࡋጞࡵ࡚࠾ࡾ㸪⤒㦂್ࡢ᱁ᕪࡀᗈࡀࡾࡘࡘ
࠶ࡿࡼ࠺࡟ឤࡌࡿ㸬ḟ࡟㸪࣒࢝ࣜ࢟ࣗࣛࡢࣇࣞ࢟ࢩࣅࣜࢸ࢕࡟ࡘ࠸
࡚࡛࠶ࡿ㸬Purdue ኱࡟࠾࠸࡚ࡣ Prerequisite㸦๓ᥦ⛉┠㸧ࡀᚭᗏࡉࢀ࡚࠾ࡾ㸪Freshman Engineering ࡢㄢ⛬࡛ C ゝㄒࡢᤵᴗࢆࣃࢫࡋ࡞ࡅࢀࡤ㸪᝟ሗᕤᏛ⣔ࡢᤵᴗࡢᒚಟࡣㄆࡵࡽࢀࡎ㸪෌ᒚಟࡀỴࡲࡿ࡜ྠ᫬࡟༞ᴗࡀ㐜ࢀ࡚ࡋࡲ࠺ཝࡋࡉࡀ࠶ࡿ㸬ࡓࡔࡋ㸪ᒚಟ࡟ᚲせ࡞ Prerequisite ࡉ࠼ࢡࣜ࢔ࡋ࡚ࡋࡲ࠼
ࡤ㸪௚Ꮫ⛉ࡢᤵᴗࢆᒚಟࡍࡿࡇ࡜ࡣྍ⬟࡛࠶ࡾ㸪➹⪅ࡶ༤ኈㄢ⛬ᅾ⡠᫬࡟㟁ᏊᕤᏛ⛉ࡢࣃࢱ࣮ࣥㄆ
㆑ࡢᤵᴗࢆᒚಟࡋࡓ㸬➹⪅ࡀཷㅮࡋࡓᤵᴗ࡛ࡢᣦ
ᐃᩍ⛉᭩ࢆᅗ 3 ࡟♧ࡍࡀ㸪⡿ᅜࡢᩍ⛉᭩࡟ඹ㏻ࡍ
ࡿⅬ࡜ࡋ࡚㸪࡝ࢀࡶᅗ㚷ࡢࡼ࠺࡟ศཌ࠸㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪ヲ⣽࡞ㄝ᫂࡟ຍ࠼㸪ᅗ⾲ࡸ౛㢟ࡀ㇏ᐩ࡛㸪୍ே࡛ࡶㄞࡳ㐍ࡵࡿࡇ࡜ࡀྍ⬟࡛࠶ࡿ㸬᪥ᮏࡢ኱Ꮫࡢᩍ⛉᭩ࡣ㸪㸦ᑡ࡞ࡃ࡜ࡶ➹⪅࡟ࡣ㸧ᩍဨࡢㄝ᫂
ࡸཧ⪃᭩࡟ࡼࡿ⿵㊊ࢆ๓ᥦ࡟᭩࠿ࢀ࡚࠸ࡿࡼ࠺࡟
ᫎࡿ㸬AI ศ㔝࡟㝈ࡽࡎ㸪➹⪅ࡢᑓ㛛ศ㔝࡛࠶ࡿὶయຊᏛ㸪ఏ⇕ᕤᏛࡢศ㔝࡟࠾࠸࡚ࡶ㸪ཧ⪃᭩ࡸ㸪ᅗゎ㞧Ꮫⓗ࡞ࠕⷧ࠸ࠖධ㛛᭩ࡀ኱Ꮫ⏕༠ࢆࡣࡌࡵ

ఏ⇕ 2021 ᖺ 10 ᭶࡜ࡋࡓ᭩ᗑ࡟ẖᖺᒣ✚ࡳࡉࢀ࡚࠸ࡿࡢࡀࡑࡢ᰿ᣐ
࡛࠶ࡿ㸬ࡇࢀ࡟ᑐࡋ㸪ࠕᅗ㚷ࠖࠕⓒ⛉஦඾ࠖࡢࡼ࠺
࡞⡿ᅜࡢᩍ⛉᭩ࡣ㸪࣒࢝ࣜ࢟ࣗࣛ࡟ྜࢃࡏ࡚ᩍဨ
ࡀྲྀᤞ㑅ᢥࡋ㸪ࢡࣛࢫእ࡛ࡢ⮬⩦ࡸㄢ㢟࡟ຍ࠼㸪ᩍဨ࡟ࡼࡿㅮ⩏ࢆࣃ࡛ࣛࣞࣝࡇ࡞ࡍࢫࢱ࢖ࣝࡀ୍
⯡࡛࠶ࡾ㸪୍ࢡࣛࢫࡢ᝟ሗ㔞ࡀ⃰ཌ࡜࡞ࡿഴྥ࡟
࠶ࡿ㸬ࡲࡓ㸪⡿ᅜࡢᤵᴗ࡛ࡣᐟ㢟࡜ࢸࢫࢺ࡟ຍ࠼㸪ᚲࡎࠕࣉࣟࢪ࢙ࢡࢺࠖࡀㄢࡏࡽࢀ㸪ྛ⮬ࡀ㑅ᢥࡋࡓࢺࣆࢵࢡ࡟ࡘ࠸࡚ᩥ⊩ㄪᰝࢆ⾜࠸㸪࣏࣮ࣞࢺࢆ
᭩ࡁୖࡆ㸪ࢡࣛࢫෆ࡛ࡢⓎ⾲ㄢ㢟ࢆࡇ࡞ࡍᚲせࡀ࠶ࡿ㸬ࡇࢀࢆᏛ㒊᫬௦࡟ఱᗘࡶ⤒㦂ࡍࡿࡇ࡜࡛㸪◊✲ࢆ⾜࠺ୖ࡛ࡢᇶ♏ຊࡀ㣴ࢃࢀ㸪኱Ꮫ㝔࡟㐍ᏛࡋࡓᏛ⏕ࡀࠕ༶ᡓຊࠖ࡜ࡋ࡚◊✲ㄢ㢟࡟ཧ⏬࡛ࡁࡿせᅉ࡟ࡶ࡞ࡗ࡚࠸ࡿ࠿࡜⪃࠼ࡿ㸬ࡇࡢࡼ࠺࡞⡿ᅜᘧ࣒࢝ࣜ࢟ࣗࣛࢆ 80㹼90 ᖺ௦࡟␃Ꮫ⏕࡜ࡋ࡚⤒㦂ࡋࡓᾏእ⤌ࡀᩍ⫋࡜ࡋ࡚ฟ㌟ᅜ࡬ᡠࡾ㸪ẕᅜࡢ኱Ꮫᩍ⫱ᨵ㠉࡟╔ᡭࡋ࡚࠸ࡿⅬࡶ㸪୰ᅜࡸ㡑ᅜ➼ࡢᅜࡀୡ⏺኱Ꮫࣛࣥ࢟ࣥࢢ➼࡛㌍㐍ࢆ⥆ࡅ࡚࠸ࡿ⌮⏤ࡢ୍ࡘ࠿࡜ࡶ⪃࠼ࡽࢀࡿ㸬ᅗ 3 Purdue ኱Ꮫ኱Ꮫ㝔ᶵᲔᏛ⩦⣔ࡢࢡࣛࢫ࡛౑
⏝ࡉࢀࡿࢸ࢟ࢫࢺ㸦ᕥ㸧ཎᏊຊᕤᏛ⛉㸸Tsoukalas
ⴭ“Fuzzy and Neural Approaches in Engineering”
㸦୰㸧㸦ྑ㸧㟁ᏊᕤᏛ⛉㸸Fukunaga ⴭ “Intro. to
Statistical Pattern Recognition”㸪 Duda et al.ⴭ“Pattern Classification㸬”඲࡚ Amazon ࡼࡾ㉎ධྍ㸬㸱㸬Ẽᾮ஧┦ὶࡢὶືᵝᘧᮏ❶࡛ࡣ㸪⇕ὶື⌧㇟ࡢ୍ࡘ࡛࠶ࡿ㸪Ẽᾮ஧┦ὶࡢὶື≉ᛶ࡟↷‽ࢆ඘࡚㸪ᶵᲔᏛ⩦ࢆ⏝࠸ࡓὶ
ືᵝᘧ㆑ู࡟ࡘ࠸࡚㏙࡭ࡿ㸬␗࡞ࡿ≀ᛶࢆ᭷ࡍࡿ
≀యࡀΰᅾࡋ࡞ࡀࡽὶࢀࡿ⌧㇟ࢆࠕΰ┦ὶࠖ࡜࿧ࡪࡀ㸪Ẽ┦࡜ᾮ┦ࡀΰྜࡍࡿࡇ࡜࡛ᙧᡂࡉࢀࡿẼᾮ஧┦ὶࡣఏ⇕ᶵჾࢆࡣࡌࡵ࡜ࡋࡓᵝࠎ࡞ᕤᴗ⏝࢔ࣉࣜࢣ࣮ࢩࣙࣥ࡟࡚ぢࡽࢀࡿ⌧㇟࡛࠶ࡿ㸬ࡇࡢ⌧㇟ࡢ༑ศ࡞⌮ゎࡣ㸪ཎᏊຊⓎ㟁ᡤࡸ㸪⇕஺᥮ᶵ

- 38 -J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ

ჾ㸪໬▼⇞ᩱ㍺㏦⣔➼࡜࠸ࡗࡓ࢚ࢿࣝࢠ࣮࣭໬Ꮫ
ࢩࢫࢸ࣒⣔⤫ࢆᏳ඲ୟࡘຠ⋡ⓗ࡟タィࡍࡿୖ࡛㔜せ࡜࡞ࡿ㸬ࡇࢀࡣ㸪ᚋ㏙ࡍࡿẼᾮ஧┦ὶࡢࠕὶື
ᵝᘧࠖࡢኚ໬࡟క࠺Ẽᾮ⏺㠃ᵓ㐀ࡀ㸪ὶయࡢ㐠ື㔞㸪࢚ࢿࣝࢠ࣮㍺㏦࡟ᙳ㡪ࢆཬࡰࡍࡓࡵ࡛࠶ࡿ㸬Ẽᾮ஧┦ὶࡢ◊✲ࡣ㸪࣎࢖࣮ࣛࡸཎᏊຊᢏ⾡ࡢ㐍Ṍ࡜ඹ࡟Ⓨᒎࡋ࡚ࡁࡓ⤒⦋ࡀ࠶ࡾ㸪Ᏻ඲ゎᯒࢥ࣮ࢻ࡟㐺⏝ྍ⬟࡞ᆒ㉁ὶࣔࢹࣝࡸࢫࣜࢵࣉࣔࢹࣝ㸪ࢻࣜࣇࢺࣇࣛࢵࢡࢫࣔࢹࣝ➼ࡢ㛤Ⓨࡀ⡿ᅜࢆ୰ᚰ࡟㐍ࡵࡽࢀ࡚ࡁࡓ㸬᭱ࡶヲ⣽࡞Ẽᾮ஧┦ὶࡢᇶ♏
᪉⛬ᘧ࡛࠶ࡿ஧ὶయࣔࢹࣝࢆ౛࡜ࡋ࡚ぢࡿ࡜㸪▐᫬࣭ᒁᡤࡢᇶ♏᪉⛬ᘧࢆ᫬㛫ᖹᆒࡍࡿࡇ࡜࡟ࡼࡾ㸪ᖹᆒ໬ࡉࢀࡓᇶ♏᪉⛬ᘧࡣ௨ୗࡢ㏻ࡾ⾲ࡉࢀࡿ㸬
㹙㉁㔞㹛wD k Uk& . D k Uk vk
*k
(1)
wt

㹙㐠ື㔞㹛
&wD k U k vk&&
   (D k U k vk vk )wt(2)&
  D k pk    D k (W k  W kT )  D k U k g &&vki * k  M ik  pki D k  D k W i⏺㠃㍺㏦㡯 ~ ai u (㥑ືຊ) ai ࡣ஧┦ὶ୰ࡢẼᾮ⏺㠃✚ࡢ࿴ࢆ඲య✚࡛㝖ࡋࡓ್࡛࠶ࡿ㸬ai ࡢ್ࡣẼᾮ⏺㠃ࡢᙧ≧࡟౫Ꮡࡍࡿࡓ
ࡵ㸪ὶືᵝᘧࡢṇ☜࡞㆑ูࡣ஧ὶయࣔࢹࣝࡢゎᯒ⢭ᗘ࡟ᙳ㡪ࢆཬࡰࡍࡇ࡜ࡀศ࠿ࡿ㸬ᆶ┤ୖ᪼Ẽᾮ஧┦ὶ࡟࠾࠸࡚ぢࡽࢀࡿ௦⾲ⓗ࡞ὶືᵝᘧࢆᅗ 4 ࡟♧ࡍ㸬Ẽ┦ὶ㔞ࡢቑຍ࡟క࠸㸪ὶືᵝᘧࡣ(a)ẼἻὶ㸪(b)࢟ࣕࢵࣉẼἻὶ㸪(c)ࢫࣛ
ࢢὶ㸪(d)ࢳ࣮ࣕࣥὶ㸪(e)⎔≧ᄇ㟝ὶ㸭⎔≧ὶ࡬࡜㑄⛣ࡍࡿࡇ࡜ࡀ▱ࡽࢀࡿ㸬Ἓ㦐⣔ࡢሙྜ࡟࠾࠸࡚
ࡣ㸪ቨ㠃ຍ⇕࡟కࡗࡓ⵨Ẽ⏕ᡂ㔞ࡢቑຍࡀࡇࢀ࡟
┦ᙜࡍࡿ㸬ቨ㠃ຍ⇕ࡢୖ᪼࡟క࠸㸪ᾮ⭷ࡀ⵨Ⓨࡍࡿ࡜ࢻࣛ࢖࢔࢘ࢺࡀ⏕ࡌ㸪ᾮ┦ࡢࡳࡀᾮ⁲࡜ࡋ࡚Ꮡᅾࡍࡿᄇ㟝ὶ࡜࡞ࡿ㸬ࡇࢀࡽࡢὶືᵝᘧࢆ༊ูࡍࡿࡓࡵ㸪୍⯡ⓗ࡟ὶືᵝᘧ⥺ᅗࡀ⏝࠸ࡽࢀࡿࡀ㸪␗࡞ࡿ௬ᐃ࡟ᇶ࡙࠸
ࡓ⌮ㄽ࡟ࡼࡿࡶࡢࡸ㸪ほ ᪉ἲ࡟ࡼࡾᥦ᱌ࡉࢀࡓ
㑄⛣᮲௳➼ࡀ」ᩘᥦ᱌ࡉࢀ࡚࠸ࡿ㸬㹙࢚ࢿࣝࢠ࣮㹛
wD k Uk hk&   (D k Uk hk vk )

wt
(3)
D p
  D k (q k  qkT )  D k k k  hki * k  ai qkicc  ) kDt༢┦ὶ࡟࠾ࡅࡿࣔࢹࣝ࡜␗࡞ࡿⅬ࡜ࡋ࡚㸪┦㛵㍺㏦㡯ࡢᏑᅾࡀᣲࡆࡽࢀࡿ㸬Ẽᾮ஧┦㛫࡟࠾ࡅࡿ㉁㔞㸪㐠ື㔞㸪࢚ࢿࣝࢠ࣮㍺㏦ࡣ㸪ḟᘧࡢࡼ࠺࡟⾲ࡍࡇ࡜ࡀྍ⬟࡛࠶ࡿ㸬㸦┦㛵㐠ື㔞ᘧࡣ⡆༢໬ࡋ࡚࠸ࡿࡀ㸪ᢠຊ࡟ຍ࠼㸪ᥭຊ㸪஘ὶᣑᩓ㸪௜ຍ㉁㔞㸪
ࣂࢭࢵࢺຊ➼ࡀࡇࢀ࡟ຍࢃࡿ㸬㸧
(4)* k ai mkᅗ 4 Ẽᾮ஧┦ὶ࡟࠾ࡅࡿὶືᵝᘧ [2]D d FD / Bdai [CD rsm UcXrXr 
( )
]
4 rD
2

(5)

ai (mk hki  qki" )(6)* k hki  ai qki"௨ୖࡢ㛵ಀᘧࢆせ⣙ࡍࡿ࡜㸪⏺㠃㍺㏦㡯ࡣẼᾮ⏺
㠃ࢆ⾲ࡍᗄఱᏛⓗࣃ࣓࣮ࣛࢱ࡛࠶ࡿ⏺㠃✚⃰ᗘ㸦ai㸧࡜㥑ືຊࡢ✚࡜ࡋ࡚⾲ࡉࢀࡿ㸬ఏ⇕ 2021 ᖺ 10 ᭶

(7)ᆶ┤ୖ᪼ὶࡢሙྜ㸪Taitel ⥺ᅗࡸ㸪Mishima-Ishii⥺ᅗ➼ࡀᣲࡆࡽࢀ㸪ẼἻ࡟ാࡃᾋຊࡢᙳ㡪ࡀⴭࡋ࠸Ỉᖹὶࡢሙྜࡣ Mandhane ⥺ᅗࡀཧ↷ࡉࢀࡿሙྜࡀከ࠸[3]㸬ࡇࡢ௚㸪ୗ㝆ὶ㸪ഴᩳ㓄⟶➼࡟࠾࠸࡚ࡣ␗࡞ࡿὶືᵝᘧࡀ⏕ࡌࡿࡢ࡟ຍ࠼㸪ࢫࣛࢢẼἻࡢ௦ࢃࡾ࡟࢟ࣕࢵࣉẼἻࡀ⏕ᡂࡉࢀࡿ኱ཱྀᚄ㸦ᐊ ኱Ẽᅽ᮲௳࡛ࡣ㓄⟶ᚄ⣙ 10cm㸧࡟࠾࠸࡚ࡶ
␗࡞ࡿὶືᵝᘧ⥺ᅗࡀ⏝࠸ࡽࢀࡿ㸬ࡇࢀ࡟ຍ࠼㸪- 39 -J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ

ẼἻὀධ᪉ἲࡸほ 㒊ୖὶ࡟࠾ࡅࡿ㓄⟶ᙧ≧㸪ࢩࢫࢸ࣒᮲௳㸦 ᗘ㸪ᅽຊ㸧㸪ὶయ≀ᛶ್➼࡟ࡼࡿẼᾮ⏺㠃࡬ࡢᙳ㡪ࡶ↓ど࡛ࡁ࡞࠸࡛࠶ࢁ࠺㸬ࡇࡢࡼ࠺࡟㸪ࣘࢽࣂ࣮ࢧࣝ࡞ὶືᵝᘧ㑄⛣ุᐃࡣᏑᅾࡋ
࡞࠸ࡢࡀ⌧ᐇ࡛࠶ࡾ㸪᪤Ꮡࡢὶືᵝᘧ⥺ᅗࡣ࠶ࡃࡲ࡛ࠕ┠Ᏻࠖࡢᣦᶆ࡜ࡋ࡚ᤊ࠼ࡿࡢࡀᮃࡲࡋ࠸㸬㸲㸬ᶵᲔᏛ⩦ࢆ⏝࠸ࡓὶືᵝᘧ㆑ูࡇࡇ࡛㸪Ẽᾮ⏺㠃ᙧ≧ࢆ⾲ࡍࣃ࣓࣮ࣛࢱࡢ୍ࡘ
࡛࠶ࡿ࣎࢖ࢻ⋡㸦Ș㸧࡟ࡘ࠸࡚⪃࠼ࡿ㸬ᅗ  ࡟⟶ෆ࡟࠾ࡅࡿᆶ┤ୖ᪼ẼἻὶࡢᴫ␎ᅗࢆ♧ࡍࡀ㸪࣎࢖ࢻ⋡ࡣ⟶ෆ᩿㠃㸪ཪࡣ㸪య✚୰࡟༨ࡵࡿẼ┦ࡢ๭ྜࢆ⾲ࡋ㸪᩿㠃ᖹᆒ࣎࢖ࢻ⋡㸦Ș!㸧ࡣᘧ(8)ࡢ
ࡼ࠺࡟ᐃ⩏ࡉࢀࡿ㸬


D

1

³³ dA

ATotal AgAG
ATotalᅗ 6 ࢖ࣥࣆ࣮ࢲࣥࢫࢭࣥࢧ࣮ࡢ࢖࣓࣮ࢪᅗ [4]⣬㠃ࡢ㒔ྜୖ㸪࢖ࣥࣆ࣮ࢲࣥࢫࢭࣥࢧ࣮ࡢసືཎ
⌮ࡸᵓᡂ᪉ἲ࡟ࡘ࠸࡚ࡣᩥ⊩㹙6㹛ࢆཧ↷ࡋ࡚㡬ࡁࡓ࠸㸬ᅗ 7 ࡟࢖ࣥࣆ࣮ࢲࣥࢫࢭࣥࢧ࣮ࢆ⏝࠸࡚ෆᚄ 5 cm ࡢᆶ┤ୖ᪼Ẽᾮ஧┦ὶ࡟࡚ィ ࡋࡓ࣎࢖ࢻ⋡ࢹ࣮ࢱࢆ♧ࡍ㸬ὶືᵝᘧࡢ㑄⛣࡜࡜ࡶ࡟࣎࢖
ࢻ⋡ኚືࡀ኱ࡁࡃ␗࡞ࡿࡇ࡜ࡀศ࠿ࡿ㸬☜⋡ᐦᗘ
ศᕸ㸦PDF㸧࠿ࡽࡣ㸪ᨭ㓄ⓗ࡞࣎࢖ࢻ⋡್ࡀ♧ࡉࢀ࡚࠾ࡾ㸪ࢸ࢖࣮ࣛẼἻ࡜ᑠẼἻࡀΰᅾࡍࡿࢫࣛ
ࢢẼἻ࡟࠾࠸࡚ࡣ㸪ࢲࣈࣝࣆ࣮ࢡࡀ☜ㄆ࡛ࡁ㸪ࢳ࣮ࣕࣥὶ࡬ࡢ㑄⛣࡜࡜ࡶ࡟ᑠẼἻᡂศࡀῶᑡࡍࡿ
ഴྥ࡜࡞ࡗ࡚࠸ࡿ㸬ࡇࡢ㑄⛣ഴྥࡣ㸪⣼✚ศᕸ㛵ᩘ㸦CDF, ཪࡣ CPDF㸧࡜ࡋ࡚ࣉࣟࢵࢺࡍࡿࡇ࡜࡛
ศ࠿ࡾࡸࡍࡃ⾲⌧ࡉࢀ㸪ࣃ࣮࣡ࢫ࣌ࢡࢺࣝᐦᗘ➼ࡢ࿘Ἴᩘ㡿ᇦᅗࡼࡾࡶ㸪ὶືᵝᘧࢆ⾲ࡍ≉ᚩ㔞࡜࡞ࡾᚓࡿࡇ࡜ࡀศ࠿ࡿ㸬(8)
ᅗ 5 ᩿㠃ᖹᆒ࣎࢖ࢻ⋡

๓㏙ࡋࡓ஧ὶయࣔࢹࣝ࡟ࡶ⾲ࢀࡿࣃ࣓࣮ࣛࢱ࡛
࠶ࡿࡓࡵ㸪஧┦ὶࡢ≧ែࢆホ౯ࡍࡿୖ࡛᭱ࡶ㔜せ࡞㡯࡜࡞ࡿ㸬Ẽᾮࡢ๭ྜࢆィ ࡍࡿࡇ࡜࡛ồࡵࡽࢀࡿࡓࡵ㸪ᒁᡤࣉ࣮ࣟࣈ࡟ࡼࡿィ ࡀᚲせ࡜࡞ࡿ⏺㠃✚⃰ᗘ㸦ai㸧࡜ẚ㍑ࡋ㸪ࢹ࣮ࢱྲྀᚓࡀᐜ᫆࡞
Ⅼࡶᣲࡆࡽࢀࡿ㸬Ș!ࡢィ ᪉ἲࡢ୍ࡘ࡜ࡋ࡚㸪Ẽᾮࡢ㟁Ẽఏᑟ⋡ࡢᕪࢆ฼⏝ࡋࡓ࢖ࣥࣆ࣮ࢲࣥࢫ
ࢭࣥࢧ࣮ࡀ⏝࠸ࡽࢀࡿ㸦ᅗ 6㸧㸬ᆶ┤ୖ᪼஧┦ὶࡢሙྜ㸪㓄⟶᩿㠃࡟࢔࣮ࢳᆺࡢ㟁ᴟࢆᑐ࡟ᇙࡵ㎸ࡳ㸪㟁ᴟ㛫ࡢ㟁ᅽࢆィ ࡍࡿ㸬ࡇࡢཎ⌮ࡢᛂ⏝࡜ࡋ࡚㸪」ᩘࡢ㟁ᴟࢆ౑⏝ࡋ㸪ከࢳࣕࣥࢿࣝಙྕࢆ࣐ࣝࢳ
ࣉࣞࢡࢧ࣮ࢆ⏝࠸࡚ィ ࡍࡿࡇ࡜࡛Ẽ┦ศᕸᅗࢆྲྀᚓࡍࡿࢺࣔࢢࣛࣇ࢕࣮࡬ࡢᛂ⏝ࡶྍ⬟࡜࡞ࡿ㸬ᅗ 7 ὶືᵝᘧẖࡢ࣎࢖ࢻ⋡㸦ୖ㸧᫬⣔ࢹ࣮ࢱ㸪㸦୰ୖ㸧☜⋡ᐦᗘศᕸ㸪㸦୰ୗ㸧⣼✚ศᕸ㛵ᩘ㸪㸦ୗ㸧ࣃ࣮࣡ࢫ࣌ࢡࢺࣝᐦᗘ

ఏ⇕ 2021 ᖺ 10 ᭶

- 40 -J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ
2000 ᖺ௦ึᮇ࠿ࡽྲྀࡾ⤌ࡳࡀ⾜ࢃࢀ࡚࠸ࡿ㸬ࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࡣᶵᲔᏛ⩦ࡢ୍✀࡛࠶ࡾ㸪ே㛫ࡢ⚄⤒⣽⬊㸦ࢽ࣮ࣗࣟࣥ㸧ࢆᩘᏛⓗࣔࢹࣝ࡜ࡋ
࡚ᶍᨃࡋࡓࡶࡢ࡛࠶ࡿ㸬࣎࢖ࢻ⋡࡜ྠᵝ㸪ከⅬᑟ㟁ᛶࣉ࣮ࣟࣈ㸦ᅗ 8㸧࡟ࡼࡿὶࢀሙᒁᡤⅬ࡟࠾࠸࡚ィ ࡋࡓẼἻᘻ㛗ࡉࡢࢹ࣮ࢱ࠿ࡽࡶ㸪⣼✚ศᕸ㛵ᩘࢆồࡵࡿࡇ࡜࡛ὶື
ᵝᘧࡢ༊ศࡅࡀྍ⬟࡛࠶ࡿࡇ࡜ࡀሗ࿌ࡉࢀ࡚࠸ࡿ
[5]㸬ࡇࢀࡣ AI ࣔࢹࣝࢆᵓ⠏ࡍࡿୖ࡛㔜せ࡞Ⅼ࡛࠶ࡿࡀ㸪≀⌮⌧㇟ࡢㄝ᫂ࡀྍ⬟࡞ࠕ≉ᚩ㔞ࠖࡢ㑅ᐃࡀࣔࢹࣝࡢ⢭ᗘࢆ኱ࡁࡃᕥྑࡍࡿせᅉ࡜࡞ࡿ㸬ᩍᖌࢹ࣮ࢱࡀᚲせ࡜࡞ࡿᶵᲔᏛ⩦ࣔࢹࣝࢆ⏝࠸࡚ࠕ㆑ูࠖࠕㄆ㆑ࠖࡢࢱࢫࢡࢆ⾜࠺㝿㸪CDF㸦ᅗ 9㸧ࡢࡼ࠺࡟㸪ே㛫ࡢ┠࡛࠶ࡿ⛬ᗘࡢศ㢮ࡀྍ⬟࡛࡞ࡅࢀࡤ㸪㧗⢭ᗘ࡞ࣔࢹࣝᵓ⠏ࡣぢ㎸ࡵ࡞࠸㸬ᅗ 10 ࢽ࣮ࣗࣛࣝࢿࢵࢺࡢ༢୍ࣀ࣮ࢻ࡜άᛶ໬㛵ᩘ
ᅗ 10 ࡟♧ࡍ㏻ࡾ㸪ධຊࡉࢀࡓࣃ࣓࣮ࣛࢱ㸦x㸧ࢆ㔜ࡳಀᩘ㸦w㸧࡜ࣂ࢖࢔ࢫ㸦b㸧ࡢ㛵ᩘ࡜ࡋ࡚ࢭࣝ
ෆ࡟᱁⣡ࡋ㸪άᛶ໬㛵ᩘ㸦Activation Function㸧࡛㹼ᡈ࠸ࡣ㸪㸫㹼 ࡢ್࡬࡜ฟຊࡉࢀࡿ㸬ࡇࢀ
ࡽࢆ」ᩘ⤌ࡳྜࢃࡏࡿࡇ࡜࡛㸪ࡼࡾ」㞧࡞ከᒙࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࡢᵓ⠏ࡀྍ⬟࡜࡞ࡿ㸦ᅗ11㸧㸬ᵝࠎ࡞άᛶ໬㛵ᩘࡀᐃ⩏ࡉࢀ࡚࠸ࡿࡀ㸪ᇶᮏ㸪ධຊ್࡟ᑐࡋఱࡽ࠿ࡢᙧ࡛ฟຊ್ࢆኚ໬ࡉࡏࡿࡇ
࡜ࡀ࡛ࡁࢀࡤⰋ࠸㸬ᅗ 8 ᑟ㟁ᛶࢲࣈࣝࢭࣥࢧ࣮ࣉ࣮ࣟࣈ [5]ᅗ 9 ẼἻᘻ㛗ࡉࡢ⣼✚ศᕸ㛵ᩘ [5]ᶵᲔᏛ⩦ࣔࢹࣝࡢᵓ⠏࡟࠶ࡓࡗ࡚ࡣ㸪ࠕᩍᖌ࠶ࡾ㸦Supervised㸧ࠖࠕᩍᖌ࡞ࡋ㸦Unsupervised㸧ࠖᏛ⩦࡟ศ㢮ࡉࢀࡿ㸬ᩍᖌ࠶ࡾᏛ⩦࡟࠾࠸࡚ࡣ㸪ᐇ㦂࡟ࡼࡾྲྀᚓࡋࡓࢹ࣮ࢱࡢ୍㒊ࢆࠕᩍᖌࢹ࣮ࢱࠖ࡜ࡋ࡚
Ꮫ⩦ࡉࡏࡿࡇ࡜࠿ࡽጞࡲࡿ㸬➨୕ḟ AI ࣈ࣮࣒ࢆᖍᕳࡋࡓ῝ᒙᏛ⩦㸦Deep Learning㸧ࡀ⏬ീㄆ㆑ࡢศ㔝࡛ࡣヰ㢟࡜࡞ࡗ࡚࠸ࡿࡀ㸪࣎࢖ࢻ⋡ィ ್➼ࡢ୍ḟඖࢹ࣮ࢱ࡟ࡼࡿ㆑ูࡣ GPU ↓ࡋࡢࢽ࣮ࣗ
ࣛࣝࢿࢵࢺ࣮࣡ࢡ࡛ࡶ༑ศ࡟ྍ⬟࡛࠶ࡾ㸪⇕ὶື࡬ࡢᛂ⏝ࡣᮏ✏࡛⤂௓ࡍࡿ஦౛࠿ࡽࡶศ࠿ࡿ㏻ࡾ

ఏ⇕ 2021 ᖺ 10 ᭶
ᅗ 11 㞃ࢀᒙ࡟」ᩘࡢࣀ࣮ࢻࢆᦚ㍕ࡋࡓࢽ࣮ࣗ
ࣛࣝࢿࢵࢺ⬻⚄⤒ࢆᶍೌࡋࡓࢩࢢࣔ࢖ࢻ㛵ᩘ㸪ࣁ࣮ࢻ tanh㛵ᩘ hard tanh 㸪ṇつ໬⥺ᙧ㛵ᩘ㸦ReLU㸧➼ࡢᵝࠎ࡞άᛶ໬㛵ᩘࡀᥦ᱌ࡉࢀ࡚࠸ࡿࡀ㸪ࡇࢀࡽࡢ᫂☜- 41 -J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ

ᵝᘧ⥺ᅗࡀᏑᅾࡋ࡞࠸ࡓࡵ㸪Ꮫ⩦ࢆ୙せ࡜ࡋࡓࠕᩍ
ᖌ࡞ࡋᏛ⩦ࠖ࡟ࡼࡿࢹ࣮ࢱࡢࢡࣛࢫࢱࣜࣥࢢ࠿ࡽ
ὶືᵝᘧࢆุᐃࡋࡓ㸦ᅗ 13㸧㸬࡞㑅ᢥᇶ‽ࡣ࠸ࡲࡔᏑᅾࡏࡎ㸪ᑐ㇟࡜ࡍࡿၥ㢟࡟ᛂࡌ࡚㸪⤒㦂๎ࡸࢺࣛ࢖࢔ࣝ࢔ࣥࢻ࢚࣮ࣛ࡟࡚ࢳ
࣮ࣗࢽࣥࢢࡍࡿᙧࡀ୍⯡࡛࠶ࡿ㸬ධຊ್࡜ࡋ࡚ᢳฟࡋࡓࢹ࣮ࢱ⩌㸪ᡈ࠸ࡣ≉ᚩ㔞ࡣ㸪カ⦎⏝㸦Training㸧㸪᳨ド⏝㸦Validating㸧㸪ࢸࢫࢺ㸦Testing㸧⏝࡟ศ㢮ࡉࢀࡿ㸬ṇゎࣞ࣋ࣝ㸦ࡇࡢሙྜࡣὶືᵝᘧྡ㸧࡜ධຊࢹ࣮ࢱࡀࢭࢵࢺ࡜࡞ࡗࡓカ⦎ࢹ࣮ࢱࢆ⏝࠸㸪ࣔࢹࣝࡢᏛ⩦㸦㔜ࡳಀᩘࡸࣂ࢖࢔ࢫࣃ࣓࣮ࣛࢱࡢㄪᩚ㸧ࢆ⾜࠸㸪᳨ドࢹ࣮ࢱ࡟ࡼࡾカ⦎῭ࡳࡢࣔࢹࣝࢆホ౯ࡍࡿ㸪࡜࠸࠺ὶࢀ࡛࠶ࡿ㸬AI ࡜ࡣゝ࠺ࡶࡢࡢ㸪࣐ࢪࢵࢡ࡛ࡶఱ࡛
ࡶ↓ࡃ㸪༢⣧࡟⾲⌧ࡍࢀࡤࠕ㧗ḟඖ㸪㧗࣮࢜ࢲ࣮ࡢࣇ࢕ࢵࢸ࢕ࣥࢢࠖ࡜ኚࢃࡽ࡞࠸㸬࢖ࣥࣆ࣮ࢲࣥࢫࢭࣥࢧ࣮࡟ࡼࡾᚓࡽࢀࡓ≉ᚩ㔞࡟ࡼࡾࢽ࣮ࣗࣛࣝࢿࢵࢺࢆᏛ⩦ࡉࡏ㸪ࢸࢫࢺ⏝ࢹ࣮ࢱࢆ⏝࠸࡚ฟຊࡋࡓ್ࢆὶືᵝᘧ⥺ᅗ࡟♧ࡋࡓࡶࡢࡀᅗ 12 ࡜࡞ࡿ㸬๓㏙ࡋࡓ㏻ࡾ㸪≉ᚩ㔞ࡣ᩿㠃ᖹᆒ࣎࢖ࢻ⋡ࡢ CDF ࡛࠶ࡿ㸬㑄⛣㡿ᇦ௜㏆࡟࠾࠸࡚ࡣቃ⏺⥺㸦Transition Boundary㸧࡜ẚ㍑ࡋⱝᖸࡢࡤࡽࡘࡁࡀぢࡽࢀࡿࡀ㸪ᴫࡡⰋ࠸ഴྥ࡛ 4 ࡘࡢὶືᵝᘧ࡟ศ㢮࡛ࡁ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿ㸬ᅗ 13 ᩍᖌ࡞ࡋᏛ⩦ࢆ⏝࠸ࡓ⎔≧ὶ㊰࡟࠾ࡅࡿἛ㦐஧┦ὶὶືᵝᘧ㆑ู [6]ฟຊࡋࡓὶືᵝᘧ⤖ᯝࢆẚ㍑ࡢࡓࡵ㸪ᆶ┤ୖ᪼ὶࡢὶືᵝᘧ⥺ᅗୖ࡟ Plot ࡋ࡚ࡳࡿ࡜㸪㑄⛣ቃ⏺
ࣛ࢖ࣥ࡟࠾ࡅࡿὶືᵝᘧࡀ」ᩘࡢࢡࣛࢫ࡜ࡋ࡚ࢡ
ࣛࢫࢱࣜࣥࢢࡉࢀ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿ㸬ᅗ 12 ࡜ྠࡌࡃ㸪ὶືᵝᘧ⥺ᅗࡢቃ⏺⥺ࡣ࠶ࡃࡲ࡛ࠕ┠Ᏻ࡛ࠖ࠶ࡾ㸪ὶືᵝᘧࡢ㑄⛣ࡣࠕ㑄⛣༊ᇦࠖ࡜ࡋ࡚ᚎࠎ
࡟ኚ໬ࡋ࡚࠸ࡃ࡜ゝ࠼ࡿ㸬ࢽ࣮ࣗࣛࣝࢿࢵࢺࢆࡣ
ࡌࡵ࡜ࡋࡓᶵᲔᏛ⩦ࢆ⏝࠸ࡿࡇ࡜࡛㸪ࡇࡢࠕ㑄⛣༊ᇦࠖࡢᐃ㔞໬ࡀྍ⬟࡜࡞ࡾ㸪㑄⛣௜㏆࡟࠾ࡅࡿᵓᡂ᪉⛬ᘧࡢ౑⏝ࡀᮇᚅࡉࢀࡿ㸬ᅗ 12 ὶືᵝᘧ⥺ᅗୖ࡟ฟຊࡉࢀࡓࢽ࣮ࣗࣛࣝ
ࢿࢵࢺ࡟ࡼࡿὶືᵝᘧุᐃ⤖ᯝ [6] ᑟ㟁ᛶࢲࣈࣝࢭࣥࢧ࣮ࣉ࣮ࣟࣈ࡟ࡼࡾᚓࡽࢀࡓ
ẼἻᘻ㛗ࡉ࡟ࡼࡿὶືᵝᘧ㆑ู࡜ࡋ࡚㸪Purdue ኱Ꮫ࡟࡚⾜ࢃࢀࡓ◊✲ᡂᯝࢆᅗ 13㸪14 ࡟♧ࡍ㸬ヨ㦂㒊ࡢ୰ᚰ࡟ఏ⇕ࣄ࣮ࢱࢆタ⨨ࡋࡓ⎔≧ὶ㊰ࢆ⏝࠸ࡓἛ㦐Ẽᾮ஧┦ὶ࣮ࣝࣉ࡜࡞ࡿࡀ㸪ẼἻᘻ㛗ࡉศ
ᕸ࠿ࡽ CDF ್ࢆ⟬ฟࡋ㸪≉ᚩ㔞࡜ࡋ࡚ࢽ࣮ࣗࣛࣝ
ࢿࢵࢺ࡟⤌ࡳ㎸ࢇ࡛࠸ࡿ㸬෇⟶࡜␗࡞ࡾ㸪⎔≧ὶ㊰࡟ࡣᏛ⩦ࢹ࣮ࢱࢆ⏕ᡂࡍࡿୖ࡛ᚲせ࡜࡞ࡿὶື

ఏ⇕ 2021 ᖺ 10 ᭶
ᅗ 14 ⎔≧ὶ㊰࡟࠾ࡅࡿὶືᵝᘧ㆑ู⤖ᯝ [7]௨ୖࡢࡼ࠺࡞ྲྀࡾ⤌ࡳࢆᇶ♏▱㆑࡜ࡋ㸪㏆ᖺὶ

- 42 -J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ

ᢏ⾡⪅࡟኱㔠ࢆ྇࠸࡚ᴗົጤクࢆࡍࡿ᫬௦࡟࡞ࡽ
࡞࠸ࡼ࠺㸪᪩࠸ẁ㝵࡛ᐇ㊶ࣉࣟࢢ࣒ࣛᩍ⫱ࡢᙉ໬࡜ AI ᢏ⾡ࡢ⌮ゎ㸪◊✲ㄢ㢟࡬ࡢ✚ᴟⓗ࡞ྲྀࡾධࢀ➼ࡢ᳨ウࡀᚲせ࠿࡜⪃࠼ࡿ㸬ཧ⪃ᩥ⊩[1] Lloyd, R.M., Kinetic energy rod warhead
deployment
system,U.S.
Patent,US
2006/0021538 A1, Feb.2, 2006.
[2] Ishii, M. and Hibiki T., Thermo-fluid dynamics
theory of two-phase flow, Springer, 2011.

ຊ᣺ືࢹ࣮ࢱ࠿ࡽࡢ஧┦ὶ㆑ู[8]ࡸ㸪㧗㏿ᗘ⏬ീ࡟ࡼࡾᚓࡽࢀࡓὶືᵝᘧ⏬ീࢆ῝ᒙᏛ⩦࡟ࡼࡾ༊ศࡅࡍࡿ◊✲[9]➼࡟ࡶᒎ㛤ࡉࢀ࡚࠾ࡾ㸪⇕ὶື࡜ᶵᲔᏛ⩦ࢆ⼥ྜࡉࡏࡓ◊✲ࡢⓎᒎ࡟௒ᚋࡲࡍࡲࡍ
ᮇᚅࡀ㧗ࡲࡿ࡜ண᝿ࡉࢀࡿ㸬㸳㸬࠾ࢃࡾ࡟
ᮏ✏࡛ࡣὶືᵝᘧ࡟ࡘ࠸࡚ྲྀࡾᢅࡗࡓࡀ㸪ᶵᲔᏛ⩦ࡢά⏝ࡣࡼࡾヲ⣽࡞⇕ὶື⌧㇟⌮ゎ࡟☜ᐇ࡟⧅ࡀࡗ࡚࠸ࡃࡶࡢ࡜⪃࠼ࡿ㸬㏆ᖺ㸪ᶵᲔᏛ⩦ࡸࢹ࣮ࢱ㥑ື◊✲ࢆ㢟ᮦ࡜ࡋࡓㄽᩥࡸᏛ఍Ⓨ⾲ࡀከࡃぢࡽࢀࡿࡼ࠺࡟࡞ࡗࡓࡀ㸪⇕ὶືࡢศ㔝࡟࠾࠸࡚ࡶ୍ࡘࡢࠕィ⟬ࢶ࣮ࣝࠖ࡜ࡋ࡚ᬑཬࡋ࡚࠸ࡃࡇ࡜
ࡣ࡯ࡰ㛫㐪࠸࡞࠸࡛࠶ࢁ࠺㸬┠どุูࡸࢥ࣮ࢹ࢕
ࣥࢢ࡟౫Ꮡࡍࡿࡇ࡜ࡀᮍࡔ࡟ከ࠸⏬ീฎ⌮➼ࡢศ㔝࡟࠾࠸࡚ࡣ㸪῝ᒙᏛ⩦ࢆ⏝࠸ࡓ⮬ື໬ࡀ☜ᐇ࡟㐍ࡴࡶࡢ࡜ᛮࢃࢀࡿ㸬ࡓࡔ㸪ࢽ࣮ࣗࣛࣝࢿࢵࢺࡢࣔࢹࣝࢆぢ࡚ࡶศ࠿ࡿ㏻ࡾ㸪ෆ㒊ࡣྍど໬ࡉࢀ࡞࠸ࣃ࣓࣮ࣛࢱࡢሢ࡛࠶ࡾ㸪ࣈࣛࢵࢡ࣎ࢵࢡࢫⓗ࡟౑⏝ࡋ࡚ࡋࡲ࠺ၥ㢟ࡀᏑᅾࡍࡿࡢࡶ஦ᐇ࡛࠶ࡾ㸪AI ࡟ࡼࡿุᐃࡢ᰿ᣐࢆㄝ᫂ྍ⬟࡜ࡍࡿ◊✲ㄢ㢟ࡶ㏆ᖺὀ┠ࡉࢀ࡚࠸ࡿ㸬ࡲࡓ㸪ᡃࡀᅜࡀ┤㠃ࡍࡿㄢ㢟ࡢ୍ࡘ࡜ࡋ࡚㸪ḟୡ௦ேᮦ⫱ᡂࡢᙉ໬ࡀᣲࡆࡽࢀࡿ㸬⇕ὶືࢆྲྀࡾ
ᢅ࠺ᶵᲔᕤᏛ⛉㸪ཎᏊຊᕤᏛ⛉㸪໬ᏛᕤᏛ⛉࡟࠾࠸࡚ࡶ㸪⡿ᅜࡢࡼ࠺࡟୍้ࡶ᪩ࡃཷㅮྍ⬟࡞㑅ᢥ⛉┠࡜ࡋ࡚࣒࢝ࣜ࢟ࣗࣛ࡟ྲྀࡾධࢀࡿࡇ࡜ࡀᮃࡲ
ࢀࡿ㸬᪤࡟⏕ࡌ࡚࠸ࡿ⌧㇟࡛࠶ࡿࡀ㸪ᅜෆ኱Ꮫ࡟
๭ࡾᙜ࡚ࡽࢀࡓ◊✲㈝ࡸእ㒊㈨㔠➼ࡢᅜᐩࡀ㸪Ⳙ኱࡞ࣛ࢖ࢭࣥࢫᩱ࡜ࡋ࡚እ㈨⣔௻ᴗ࡬ὶࢀ㸪CFDࡢศ㔝࡛ࡣ㸦ከࡃࡢ᪥ᮏே◊✲⪅࡟ࡼࡿᵓᡂᘧࡀ
౑ࢃࢀ࡚࠸ࡿ࡟ࡶ㛵ࢃࡽࡎ㸧ࡶࡣࡸྲྀࡾ㏉ࡋࡢࡘ࠿࡞࠸≧ἣ࡟㝗ࡗ࡚ࡋࡲࡗ࡚࠸ࡿ㸬ࠕඃ⚽࡞⣲ᮦࡸ㒊ရࡣ㐀ࢀࡿࡀ㸪iPhone ࡣ㐀ࢀ࡞࠸ࠖ᪥ᮏࡢࠕ࢞
ࣛࣃࢦࢫ⫋ேࠖⓗ࡞ᩥ໬ࡶᑡ࡞࠿ࡽࡎᙳ㡪ࡋ࡚࠸ࡿࡼ࠺࡟ᛮ࠺ࡀ㸪⇕ὶືࡸ≀⌮ࢆ⌮ゎࡋ࡞࠸ AI

ఏ⇕ 2021 ᖺ 10 ᭶

[3] ᪥ᮏᶵᲔᏛ఍ࠕẼᾮ஧┦ὶࣁࣥࢻࣈࢵࢡࠖࢥ
ࣟࢼ♫ (1995)[4] Schlegel, J.P. et al., Development of impedancevoid meter for evaluation of flow symmetry,
Annals of Nuclear Energy, 63 (2014), 525-532.
[5] Julia, J.E. et al., Upward vertical two-phase flow
local flow regime identification using neuralnetwork techniques, Nuclear Engineering and
Design, 238 (2008), 156-169.
[6] Julia, J.E. et al., Flow regime development
analysis in adiabatic upward two-phase flow in a
vertical annulus, International Journal of Heat andFluid Flow, 32 (2011), 164-175.
[7] Mi, Y., Two-phase flow characterization based on
advanced instrumentation, neural networks, andmathematical modeling, Ph.D. Thesis, Purdue
University, May 1998
[8] Miwa, S. et al., Two-phase flow induced vibrationin piping systems, Progress in Nuclear Energy, 78(2015), 270-284.
[9] ᰘ⏣ᑦே et al., ῝ᒙᏛ⩦ࢆ⏝࠸ࡓ㧗ᅽẼᾮ஧┦ὶ㑄⛣㡿ᇦ࡟࠾ࡅࡿὶືᵝᘧ㆑ู㸪ΰ┦ὶ㸪
35 (2021), 93-100㸬

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≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ

⇕஺᥮ჾࡢ⟶➃⁐᥋㒊࡟࠾ࡅࡿ AI ࢆά⏝ࡋࡓ⁐᥋Ḟ㝗ุᐃࢩࢫࢸ࣒
Welding Defects Detection System Utilizing AI
in Tube-to-Tubesheet Weld Joints of Heat Exchangers

࿴⏣ ㈗⿱㸪஭ᒸ Ⰻኴ㸪⠛⏣ ⸅㸪Ᏻ㒊 ṇග㸦᪥❧㐀⯪ᰴᘧ఍♫㸧 ᭹㒊 ὒ㸦ᰴᘧ఍♫ࢽࢳࢰ࢘ࢸࢵࢡ㸧
Takahiro WADA, Ryota IOKA, Kaoru SHINODA, Masamitsu ABE (Hitachi Zosen Corporation)
Hiroshi HATTORI (NICHIZO TECH INC.)
e-mail: wada.t@hitachizosen.co.jp㸯㸬ࡣࡌࡵ࡟
⏘ᴗࣉࣛࣥࢺ࡞࡝࡛౑⏝ࡉࢀࡿከ⟶ᘧ⇕஺᥮ჾࡣ㸪෇ᰕ≧ࡢ⬗య࡟ከᩘࡢ⣽㛗࠸෇⟶ࢆ㓄ิࡋࡓᵓ㐀ࢆࡋ࡚࠾ࡾ㸪⬗యഃࡢὶయ࡜෇⟶ഃࡢ␗࡞ࡿ஧ࡘ
ࡢὶయ㛫࡛⇕ࡢ஺᥮ࢆ⾜࠺㸬ࡇࡢ⇕஺᥮ჾ࡟࠾࠸࡚
㔜せ࡞⁐᥋⥅ᡭࡢ୍ࡘ࡛࠶ࡿ⟶࡜⟶ᯈࡢ᥋ྜ㒊㸦௨ୗ㸪⟶➃⁐᥋㒊㸧ࡣ㸪౑⏝᮲௳࡟ᛂࡌࡓ㧗࠸ရ㉁ࡀ
ồࡵࡽࢀࡿ㸬
⟶➃⁐᥋㒊ࡢ᳨ᰝᡭẁ࡜ࡋ࡚ࡣ㸪୍⯡ⓗ࡟┠どヨ㦂ࡸᾐ㏱᥈യヨ㦂ࡀ⏝࠸ࡽࢀࡿࡀ㸪⁐᥋ෆ㒊ࡢ᳨ฟᛶ⬟ࡀ༑ศ࡛࡞࠸ࡇ࡜ࡀㄢ㢟࡛࠶ࡗࡓ㸬ࡍ࡛࡟ᡃࠎ
ࡣ㸪ᅗ 1 ࡟♧ࡍ⟶➃⁐᥋㒊⏝ࣇ࢙࣮ࢬࢻ࢔ࣞ࢖㉸㡢Ἴ᥈യヨ㦂㸦Phased Array Ultrasonic Testing㸧⿦⨨㸦௨ୗ㸪⟶➃ PAUT ⿦⨨㸧ࢆ㛤Ⓨࡋ࡚࠸ࡿ[1-5]㸬ᮏ⿦⨨ࡣ㸪ከᩘࡢ᣺ືᏊ࡟ࡼࡾᵓᡂࡉࢀࡿ࢔ࣞ࢖᥈ゐᏊࡀ㉸㡢Ἴࣅ࣮࣒ࢆ㏦ಙࡍࡿࢱ࢖࣑ࣥࢢࢆไᚚࡋ㸪ಶࠎࡢ᣺ືᏊ࠿ࡽฟຊࡉࢀࡓ㉸㡢Ἴࣅ࣮࣒ࢆྜᡂࡋࡓ
Ἴ㠃ࢆᙧᡂࡍࡿࡇ࡜࡛⟶➃⁐᥋ෆ㒊࡟࠾ࡅࡿ⁐᥋Ḟ㝗ࡢሙᡤ࡜ࡑࡢ⠊ᅖࢆ㧗⢭ᗘ࡟᳨ฟࡍࡿࡇ࡜ࡀྍ
⬟࡛࠶ࡿ㸬ࡇࡢᢏ⾡࡟ࡼࡾ㸪⟶➃⁐᥋ෆ㒊࡟࠾ࡅࡿ᳨
ฟ⢭ᗘྥୖ࡜᳨ᰝ᫬㛫ࡢ኱ᖜ࡞▷⦰ࢆᐇ⌧ࡋ࡚࠸ࡿ㸬ᅗ 1 ⟶➃⁐᥋㒊 PAUT ⿦⨨ఏ⇕ 2021 ᖺ 10 ᭶

- 44 -

ᮏ⿦⨨ࡼࡾྲྀᚓࡋࡓ᥈യ⏬ീ࡟࠾ࡅࡿ⁐᥋Ḟ㝗ࡢ᭷↓ࡣ㸪᳨ᰝဨࡀ┠ど࡛ 1 ᯛࡎࡘุᐃࡍࡿ㸬ࡋ࠿ࡋ㸪ከ⟶ᘧ⇕஺᥮ჾࡣᩘ༓࠿ࡽᩘ୓ᮏࡢ⟶ࢆ᭷ࡍࡿሙྜࡀ࠶ࡾ㸪ከ࠸ሙྜ࡛ 100 ୓ᯛࢆ㉸࠼ࡿ⭾኱࡞᥈യ⏬ീࢆ┠ど☜ㄆࡍࡿࡇ࡜࡟࡞ࡿ㸬ࡑࡢࡓࡵ㸪᳨ᰝࡢ㛗᫬㛫໬࡟ࡼࡿࢥࢫࢺቑຍࡸ᳨ᰝဨࡢ㈇ᢸࡀㄢ
㢟࡛࠶ࡗࡓ㸬ࡑࡇ࡛㸪᳨ᰝ᫬㛫ࡢ▷⦰࠾ࡼࡧ᳨ᰝဨ
ࡢ㈇ᢸ㍍ῶ࡟ྥࡅ࡚㸪AI ᢏ⾡ࢆά⏝ࡍࡿࡇ࡜࡛㸪᥈യ⏬ീ୰ࡢ⁐᥋Ḟ㝗ࡢ᭷↓ࢆ⮬ືุᐃࡍࡿࢩࢫ
ࢸ࣒ࢆ㛤Ⓨࡋࡓ㸬ᮏ✏࡛ࡣ㸪AI ᢏ⾡ࢆ⏝࠸ࡓ⁐᥋Ḟ㝗᭷↓⮬ືุᐃࢩࢫࢸ࣒ࡢᴫせ࡜ᐇᶵ᳨ᰝ࡟㐺⏝ࡋࡓᡂᯝ࡟ࡘ࠸࡚㏙࡭ࡿ㸬㸰㸬⁐᥋Ḟ㝗᭷↓⮬ືุᐃࢩࢫࢸ࣒
 ᴫせ㛤Ⓨࡋࡓ⁐᥋Ḟ㝗᭷↓⮬ືุᐃࢩࢫࢸ࣒ࡣ㸪
YOLO㸦You Only Look Once㸧[6, 7]㸪␚ࡳ㎸ࡳࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ㸦௨ୗ㸪CNN㸧[8]㸪⮬ᕫ➢ྕ໬ჾ㸦௨ୗ㸪AE㸧[9]ࡢ 3 ࡘࡢ AI ᢏ⾡ࢆ᥇⏝ࡋ࡚࠾ࡾ㸪୺࡞≉㛗ࡣḟࡢ࡜࠾ࡾ࡛࠶ࡿ㸬1. ≀య᳨ฟᡭἲࢆ౑⏝ࡍࡿࡇ࡜࡛㸪ᚑ᮶ࡢ⏬ീฎ⌮࡛ࡣᅔ㞴࡛࠶ࡗࡓ᥈യ⠊ᅖࡢᢳฟࢆྍ⬟࡜ࡋࡓ㸬
2. AI ᢏ⾡ࢆྵࡴ 3 ࡘࡢุᐃᡭἲࢆ⏝࠸࡚⁐᥋Ḟ㝗ࡢ᭷↓ࢆุᐃࡋ㸪ㄗุᐃࢆపῶࡋࡓ㸬3. ྛุᐃᡭἲࡢಙ㢗ᗘࢆ౑⏝ࡋࡓ࢔ࣥࢧࣥࣈ
ࣝ࡟ࡼࡾ㸪ุᐃ⢭ᗘࡢྥୖࢆᐇ⌧ࡋࡓ㸬 ฎ⌮ࣇ࣮ࣟᮏࢩࢫࢸ࣒ࡢฎ⌮ࣇ࣮ࣟࢆᅗ 2 ࡟♧ࡍ㸬ࡣࡌࡵ࡟㸪⟶➃ PAUT ⿦⨨ࡼࡾྲྀᚓࡋࡓ᥈യ⏬ീࢆධຊࡍ
ࡿ㸬ࡘࡂ࡟㸪≀య᳨ฟᡭἲ࡛࠶ࡿ YOLO ࢆ⏝࠸࡚᥈യ⏬ീࡼࡾ᥈യ⠊ᅖࡢᢳฟࢆ⾜࠺㸦ᅗ 2 ࡢձ㸧㸬⥆࠸࡚㸪᥈യ⠊ᅖࢆᢳฟࡋࡓ⏬ീ࡟ᑐࡋ࡚㸪ᚑ᮶ࡢ

J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ
⏬ീฎ⌮࡟ࡼࡿ⁐᥋Ḟ㝗᭷↓ุᐃ㸦ᅗ 2 ࡢղ㸧㸪CNNࢆ⏝࠸ࡓ⏬ീศ㢮࡟ࡼࡿ⁐᥋Ḟ㝗᭷↓ุᐃ㸦ᅗ 2 ࡢճ㸧㸪AE ࢆ⏝࠸ࡓ⏬ീ᚟ඖ࡟ࡼࡿ⁐᥋Ḟ㝗᭷↓ุᐃ㸦ᅗ 2 ࡢմ㸧ࢆ⾜࠺㸬ࡇࢀࡽ࡜ྠ᫬࡟㸪ྛุᐃᡭἲ
࡟࠾ࡅࡿᢳฟ⏬ീ࡟ᑐࡍࡿಙ㢗ᗘࢆィ⟬ࡍࡿ㸦ᅗ 2ࡢյ㸧㸬᭱ᚋ࡟㸪ྛุᐃᡭἲࡢุᐃ⤖ᯝ࡜ಙ㢗ᗘࢆࡶ࡜࡟࢔ࣥࢧࣥࣈࣝࢆ⾜࠸㸪᭱⤊ⓗ࡞ุᐃ⤖ᯝࢆฟຊࡍࡿ㸦ᅗ 2 ࡢն㸧㸬ᮏࢩࢫࢸ࣒ࡢྛฎ⌮࡟ࡘ࠸࡚ࡣ㸪௨㝆ࡢ❶࡛ㄝ᫂ࡍࡿ㸬 ᥈യ⠊ᅖᢳฟ⟶➃ PAUT ⿦⨨ࡼࡾྲྀᚓࡉࢀࡿ᥈യ⏬ീࡣ㸪⟶ࡢཌࡉࡸᚄ㸪⁐᥋᮲௳㸪࢔ࣞ࢖᥈ゐᏊࡢ᥋ゐ≧ែ࡞࡝࡟ࡼࡾ㸪⁐᥋Ḟ㝗ࡢ఩⨨㸪⁐᥋㒊ࡢ㧗ࡉ㸪࢚ࢥ࣮ࡢᙧ≧࡞࡝ࡀኚ໬ࡍࡿࡓࡵ㸪᥈യ⏬ീࡈ࡜࡟ᵓᅗࡀ
ᵝࠎ࡛࠶ࡿ㸬ࡲࡓ㸪㟁Ẽࣀ࢖ࢬ࡞࡝ࡢ⁐᥋Ḟ㝗࡛ࡣ࡞࠸࢚ࢥ࣮ࡀ⌧ࢀࡿሙྜࡶ࠶ࡿ㸬ࡑࡢࡓࡵ㸪⁐᥋Ḟ㝗ࡀ⏕ࡌࡿ㡿ᇦࡣ᥈യ⏬ീࡈ࡜࡟୍ᐃ࡛ࡣ࡞ࡃ㸪ᚑ᮶ࡢ⏬ീฎ⌮࡛ࡣ≉ᐃࡀᅔ㞴࡛࠶ࡗࡓ㸬ࡑࡇ࡛㸪≀య᳨ฟᡭἲ࡛࠶ࡿ YOLO ࢆ⏝࠸࡚⁐᥋Ḟ㝗ࡀ⏕ࡌࡿ㡿ᇦࢆ᳨ฟࡋ㸪᥈യ⠊ᅖࢆᢳฟࡋࡓ㸬
YOLO ࡟ࡼࡾ᳨ฟࡍࡿ㡿ᇦࢆᅗ 3 ࡟♧ࡍ㸬᳨ฟࡍࡿ㡿ᇦࡣ㸪⟶➃⁐᥋㒊ࡢ࿘⦕㒊㸦⟶➃ഃࡢ⟶⾲㠃࠾ࡼࡧ⟶ዟഃࡢ⟶⾲㠃㸧࠿ࡽ཯ᑕࡋࡓ࢚ࢥ࣮㸦௨ୗ㸪ᗏ㠃࢚ࢥ࣮㸧࡛࠶ࡿᅗ 3 ࡢ㸦1㸧࠿ࡽ㸦4㸧࠿ࡽ࡞ࡿ㯮◚⥺࡛ᅖࢇࡔ⠊ᅖ࡜ࡋࡓ㸬Ꮫ⩦ࢹ࣮ࢱ࡟ᑐࡋ᳨࡚
ฟࡋࡓ࠸㡿ᇦࡢ࢔ࣀࢸ࣮ࢩࣙࣥ㸦ᅄゅᙧࡢᯟ࡛ᅖࡴ
సᴗ㸧ࢆ⾜࠺㝿㸪ᅗ 3 ࡟♧ࡍࡼ࠺࡟᳨ฟ㡿ᇦࡢᅄ㝮࡟ᗏ㠃࢚ࢥ࣮ࡢ୍㒊ࢆྵࡵࡿࡇ࡜࡛㸪᥈യ⏬ീ୰ࡢᗏ㠃࢚ࢥ࣮ࡢ≉ᚩ࡟ᛂࡌࡓ᳨ฟࡀ࡛ࡁࡿࡼ࠺࡟ᕤ
ኵࡋࡓ㸬ࡇࡢ࢔ࣀࢸ࣮ࢩࣙࣥࡋࡓᗙᶆ᝟ሗࢆᩍᖌࢹ
࣮ࢱ࡜ࡋ࡚Ꮫ⩦ࢹ࣮ࢱ࡟௜୚ࡋ㸪Ꮫ⩦ࢆ⾜࠺ࡇ࡜࡛㸱㸬<2/2 ࡟ࡼࡿ᥈യ⠊ᅖᢳฟ <2/2
YOLO ࡣ㸪࣡ࢩࣥࢺࣥ኱Ꮫࡢ Joseph Redmon Ặࡀ㛤Ⓨࡋࡓ≀య᳨ฟ⏝ࢿࢵࢺ࣮࣡ࢡ࡛࠶ࡿ㸬ᚑ᮶ࡢ≀య᳨ฟᡭἲ࡛ࡣ㸪ࡣࡌࡵ࡟࢜ࣈࢪ࢙ࢡࢺࡢ㡿ᇦࢆ᥎ᐃࡋ㸪ࡑࡢᚋࢡࣛࢫ☜⋡ࡢィ⟬ࢆ⾜࠸㆑ูࡋ࡚࠸ࡓ
ࡓࡵฎ⌮ࡀ」㞧࡛࠶ࡾ㸪ฎ⌮᫬㛫ࡀ㛗ࡃ࡞ࡿ࡜࠸࠺
ḞⅬࡀ࠶ࡗࡓ㸬YOLO ࡣ㸪༢୍ࡢ CNN ࢿࢵࢺ࣮࣡
ࢡᵓ㐀࡟ࡼࡾ㸪⏬ീ඲య࠿ࡽࠕ㡿ᇦ᥎ᐃࠖ࡜ࠕ㆑ูࠖ
ࢆྠ᫬࡟⾜࠺ࡓࡵ㸪ᚑ᮶ࡢᡭἲ࡟ẚ࡭࡚ࣜ࢔ࣝࢱ࢖
࣒࡞ฎ⌮ࡀྍ⬟࡛࠶ࡿ㸬

ᅗ 2 ⁐᥋Ḟ㝗᭷↓⮬ືุᐃࢩࢫࢸ࣒ࡢฎ⌮ࣇ࣮ࣟఏ⇕ 2021 ᖺ 10 ᭶

- 45 -J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ

ࡑࡢࡓࡵ㸪⏬ീฎ⌮࡟ࡼࡿ⁐᥋Ḟ㝗᭷↓ุᐃ࡛ࡣ㸪⁐᥋Ḟ㝗ࡢぢⴠ࡜ࡋࡀ⏕ࡌࡿᠱᛕࡀ࠶ࡗࡓ㸬ࡲࡓ㸪ࡇ࠺ࡋࡓ⏬ീࡢ୍㒊ࡣ㸪ே࡟ࡼࡿ┠ど࡛࠶ࢀࡤᐜ᫆
࡟ุ᩿࡛ࡁࡿࡶࡢ࡛࠶ࡗࡓ㸬ࡑࡇ࡛㸪AI ᢏ⾡࡛࠶
ࡿ CNN ࠾ࡼࡧ AE ࢆ⏝࠸ࡓ⁐᥋Ḟ㝗ࡢ᭷↓ุᐃࢆヨࡳࡓ㸬
㸳㸬&11 ࢆ⏝࠸ࡓ⏬ീศ㢮࡟ࡼࡿุᐃ
 &11 &RQYROXWLRQDO1HXUDO1HWZRUN ࢹ࢕࣮ࣉ࣮ࣛࢽࣥࢢࡣ㸪ᶵᲔᏛ⩦ࡢ୍✀࡛࠶ࡾ㸪ࡑࡢ୰࡛ࡶ CNN ࡣどぬ㔝ࡢ≉ᚩᢳฟࡢ௙⤌ࡳࢆࣔࢹࣝ໬ࡋ࡚࠾ࡾ㸪≉࡟⏬ീㄆ㆑ࡢศ㔝࡟࡚⏝࠸ࡽࢀ
ࡿ㸬CNN ࡣ㸪ᅗ 5 ࡟♧ࡍࡼ࠺࡟␚ࡳ㎸ࡳᒙ㸪ࣉ࣮ࣜࣥࢢᒙ㸪඲⤖ྜᒙ࡞࡝࠿ࡽᵓᡂࡉࢀࡓࢽ࣮ࣗࣛࣝ
ࢿࢵࢺ࣮࣡ࢡ࡛࠶ࡿ㸬␚ࡳ㎸ࡳᒙ࡛ࡣ㸪ධຊࡉࢀࡓ
⏬ീ࡟ᑐࡋ࡚」ᩘࡢࣇ࢕ࣝࢱฎ⌮ࢆ⾜࠸㸪⏬ീࡢ≉ᚩ㔞ࢆᢳฟࡍࡿ㸬ࡑࡋ࡚㸪ࣉ࣮ࣜࣥࢢᒙ࡛ࡣ㸪≉ᚩࢆᦆ࡞ࢃ࡞࠸ࡼ࠺࡟⏬ീࢧ࢖ࢬࡢኚ᥮ࡀ⾜ࢃࢀࡿ㸬ࡇࡢฎ⌮ࡀఱᗘ࠿⧞ࡾ㏉ࡉࢀࡓᚋ㸪඲⤖ྜᒙ࡛ࡣ㸪ᢳฟࡉࢀࡓ࢚ࢵࢪࡸࢸࢡࢫࢳࣕ࡞࡝ࡢ≉ᚩ㔞࡟ᇶ࡙࠸࡚₇⟬ࢆ⾜࠸㸪ධຊࡋࡓ⏬ീࡢࢡࣛࢫศ㢮⤖ᯝࢆฟຊࡍࡿ㸬

ᅗ 3 YOLO ࡟ࡼࡾ᳨ฟࡍࡿ㡿ᇦ

ᅗ 4 YOLO ࡟ࡼࡿ᥈യ⠊ᅖࡢᢳฟ⤖ᯝ౛㡿ᇦ᳨ฟࣔࢹࣝࢆసᡂࡋࡓ㸬
YOLO ࡟ࡼࡿ᥈യ⠊ᅖࡢᢳฟ⤖ᯝ౛ࢆᅗ 4 ࡟♧ࡍ㸬⤖ᯝࡼࡾ㸪᝿ᐃࡋࡓ㡿ᇦࢆ᳨ฟࡋ㸪᥈യ⠊ᅖࢆᢳฟ࡛ࡁࡿࡇ࡜ࡀ☜ㄆ࡛ࡁࡓ㸬ࡲࡓ㸪YOLO ࡟ࡼࡿ᥈യ⠊ᅖࡢᢳฟ⢭ᗘࡣ⣙ 99%࡜࡞ࡗࡓ㸬㸲㸬⏬ീฎ⌮࡟ࡼࡿุᐃ
⏬ീฎ⌮࡟ࡼࡿ⁐᥋Ḟ㝗᭷↓ุᐃ࡛ࡣ㸪YOLO ࢆ⏝࠸࡚᥈യ⠊ᅖࢆᢳฟࡋࡓ⏬ീ࡟ᑐࡋ࡚㸪ᗏ㠃࢚ࢥ࣮㒊ࢆ㝖࠸ࡓ㡿ᇦෆࡢ࢚ࢥ࣮㧗ࡉ࡟ᑐᛂࡋࡓ඲ࣆ
ࢡࢭࣝࢆ୍ࡘࡎࡘ᥈⣴ࡋ㸪ᇶ‽್௨ୖࡢ࢚ࢥ࣮㧗ࡉࢆࡶࡘࣆࢡࢭࣝࡀ୍ᐃ௨ୖ࠶ࡿሙྜ࡟⁐᥋Ḟ㝗᭷ࡾ࡜ุᐃࡍࡿ㸬ࡇࡢุᐃᡭἲ࡛ࡣ㸪ᇶ‽್ࢆ㉸࠼ࡓࣆࢡࢭࣝᩘࢆ࢝࢘ࣥࢺࡍࡿࡓࡵ㸪⁐᥋Ḟ㝗࡛࠶ࡿ࡜ุᐃࡍࡿᑍἲ࡟↷ࡽࡋ࡚ᢳฟࡍࡿࡇ࡜ࡀྍ⬟࡛࠶ࡿ㸬ࡋ࠿ࡋ㸪௨ୗࡢၥ㢟Ⅼࡀ࠶ࡗࡓ㸬1. ᶵᲔⓗ࡟඲ࣆࢡࢭࣝࢆ☜ㄆࡍࡿࡓࡵ㸪ࣀ࢖ࢬ࡞࡝࡛ேࡀぢࢀࡤ⁐᥋Ḟ㝗࡛ࡣ࡞࠸࡜ุูྍ
⬟࡞ࡶࡢ࡛ࡶ㸪㜈್ࢆ㉸࠼࡚࠸ࢀࡤᢳฟࡉࢀ࡚
ࡋࡲ࠺㸬
2. ᗏ㠃࢚ࢥ࣮࡜⁐᥋Ḟ㝗ࡀࡘ࡞ࡀࡗ࡚࠸ࡿሙ
ྜ㸪⁐᥋Ḟ㝗ࢆ᳨ฟ࡛ࡁ࡞࠸ࡇ࡜ࡀ࠶ࡿ㸬ఏ⇕ 2021 ᖺ 10 ᭶

ᅗ 5 CNN ᴫせᅗ &11 ࡟ࡼࡿ⁐᥋Ḟ㝗᭷↓ุᐃ
YOLO ࢆ⏝࠸࡚᥈യ⠊ᅖࢆᢳฟࡋࡓ⏬ീࡢ࠺ࡕ㸪⁐᥋Ḟ㝗᭷ࡾࡢ⏬ീ࠾ࡼࡧ⁐᥋Ḟ㝗↓ࡋࡢ⏬ീࢆᏛ⩦ࢹ࣮ࢱ࡜ࡋ࡚౑⏝ࡋࡓ㸬ࡇࡢᏛ⩦ࢹ࣮ࢱࢆࡶ࡜
࡟㸪CNN ࡟ࡼࡿ 2 ࢡࣛࢫ㸦⁐᥋Ḟ㝗᭷ࡾ/↓ࡋ㸧ࡢศ㢮ࣔࢹࣝࢆసᡂࡋࡓ㸬Ꮫ⩦῭ࡢศ㢮ࣔࢹࣝ࡟⏬ീࢆධຊࡍࡿ࡜㸪⁐᥋Ḟ㝗᭷ࡾ/↓ࡋูࡢ☜ಙᗘ㸦⁐᥋Ḟ㝗᭷↓ࡢ☜⋡㸧ࡀฟຊࡉࢀࡿ㸬☜ಙᗘࡣ 0㹼1 ࡢᐇᩘ್ࢆ࡜ࡾ㸪ྜィࡍࡿ࡜ 1 ࡟࡞ࡿ㸬ࡇࡇ࡛ࡣ㸪⁐᥋Ḟ㝗᭷ࡾࡢ☜ಙᗘࡀ 0.5 ௨ୖࡢሙྜ࡟ࠕ⁐᥋Ḟ㝗᭷ࡾࠖ
㸪0.5 ࡼࡾᑠࡉ࠸ሙྜ࡟ࠕ⁐᥋Ḟ㝗↓ࡋࠖ࡜ุ- 46 -J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ

ᐃࡍࡿࡇ࡜࡟ࡋࡓ㸬ࢸࢫࢺ⏝ࢹ࣮ࢱ࡟ᑐࡍࡿ CNN ࢆ⏝࠸ࡓ⏬ീศ㢮࡟ࡼࡿ⁐᥋Ḟ㝗ࡢ᭷↓ุᐃ⢭ᗘࡣ⣙ 80%࡜࡞ࡗࡓ㸬ࡓࡔࡋ㸪ࡇࡢุᐃᡭἲ࡛ࡣ㸪⁐᥋Ḟ㝗᭷ࡾࡢ⏬ീ࡟ᑐࡍࡿุᐃ⢭ᗘࡀ⣙ 94%࡜࡞ࡾ㸪⁐᥋Ḟ㝗ࡢぢⴠ࡜ࡋࡀᑡ࡞࠸⤖ᯝ࡜࡞ࡗࡓ㸬
㸴㸬$( ࢆ⏝࠸ࡓ⏬ീ᚟ඖ࡟ࡼࡿุᐃ
 $( $XWR(QFRGHU  AE ࡣ㸪ᶵᲔᏛ⩦࡟࠾࠸࡚ࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡
ࢡࢆ౑⏝ࡋࡓḟඖ๐ῶࡢࡓࡵࡢ࢔ࣝࢦࣜࢬ࣒࡛࠶
ࡾ㸪ᅗ 6 ࡟♧ࡍࡼ࠺࡟ධຊࢹ࣮ࢱࢆᅽ⦰ࡍࡿ
Encoder ࡜ᅽ⦰ࡋࡓࢹ࣮ࢱࢆ᚟ඖࡍࡿ Decoder ࠿ࡽᵓ⠏ࡉࢀࡿ㸬AE ࡛ࡣ㸪ධຊᒙ࡜ฟຊᒙࡢḟඖࡀྠࡌ࡟࡞ࡿࡼ࠺Ꮫ⩦ࡀ⾜ࢃࢀ㸪୰㛫ᒙ࡛ࡣ㸪ධຊࢹ࣮ࢱࡀᅽ⦰ࡉࢀࡿࡓࡵධຊᒙࡼࡾḟඖࡀᑠࡉࡃ࡞ࡗ
ࡓ≉ᚩ⾲⌧ࢆᚓࡿࡇ࡜ࡀ࡛ࡁࡿ㸬ฟຊᒙ࡛ࡣ㸪ᅽ⦰ࡉࢀࡓ≉ᚩⓗ࡞ࢹ࣮ࢱࢆࡶ࡜࡟ධຊࢹ࣮ࢱࡢ᚟ඖ
ࡀ⾜ࢃࢀࡿ㸬AE ࡟࠾ࡅࡿᏛ⩦࡛ࡣ㸪ṇᖖࢹ࣮ࢱࡢ
ࡳࢆᏛ⩦ࡋ࡚㸪ṇᖖ࡞ࢹ࣮ࢱࢆᅽ⦰ࡋ㸪᚟ඖࡍࡿࣔ
ࢹࣝࢆᵓ⠏ࡍࡿ㸬Ꮫ⩦ࡋ࡚࠸࡞࠸␗ᖖ࡞ࢹ࣮ࢱࢆධ
ຊࡋࡓሙྜࡣ㸪␗ᖖ⟠ᡤࢆ࠺ࡲࡃᅽ⦰㸪᚟ඖ࡛ࡁ࡞
࠸ࡓࡵ㸪᚟ඖࢹ࣮ࢱࡣධຊࢹ࣮ࢱ࡜ࡣ␗࡞ࡿࡶࡢ࡜
࡞ࡿ㸬ࡑࡢࡓࡵ㸪ධຊࢹ࣮ࢱ࡜᚟ඖࢹ࣮ࢱࢆẚ㍑ࡍ
ࡿ࡜㸪ࡑࢀࡽࡢᕪࡀ኱ࡁࡃ࡞ࡿ㸬ࡇࡢᕪࢆ␗ᖖᗘ࡜
ࡍࡿࡇ࡜࡛㸪ṇᖖ࠾ࡼࡧ␗ᖖࡢุᐃࢆ⾜࠺ࡇ࡜ࡀ࡛
ࡁࡿ㸬ࡲࡓ㸪⏬ീ୰ࡢᕪศࡀ኱ࡁ࠸⟠ᡤࢆᢳฟࡍࡿ
ࡇ࡜࡛㸪␗ᖖಶᡤࡢ≉ᐃࡀྍ⬟࡜࡞ࡿ㸬AE ࡛ࡣ㸪ṇᖖ࡞ࢹ࣮ࢱࡢࡳࢆᏛ⩦࡟౑⏝ࡍࡿࡓࡵ㸪␗ᖖ࡞ࢹ࣮ࢱࡀᑡ࡞࠸ሙྜ࡟࠾࠸࡚ࡶ᭷ຠ࡞ᢏ⾡࡛࠶ࡿ㸬ᅗ 6 AE ᴫせᅗ $( ࡟ࡼࡿ⁐᥋Ḟ㝗᭷↓ุᐃ
YOLO ࢆ⏝࠸࡚᥈യ⠊ᅖࢆᢳฟࡋࡓ⏬ീࡢ࠺ࡕ㸪ఏ⇕ 2021 ᖺ 10 ᭶

- 47 -⁐᥋Ḟ㝗↓ࡋࡢ⏬ീࡢࡳࢆᏛ⩦ࢹ࣮ࢱ࡜ࡋ࡚౑⏝ࡋࡓ㸬ࡇࡢᏛ⩦ࢹ࣮ࢱࢆࡶ࡜࡟㸪AE ࡟ࡼࡿ⏬ീ᚟ඖࣔࢹࣝࢆసᡂࡋࡓ㸬Ꮫ⩦῭ࡢ᚟ඖࣔࢹࣝ࡟⁐᥋Ḟ㝗᭷ࡾࡢ⏬ീࢆධຊࡋࡓሙྜ㸪⁐᥋Ḟ㝗㒊ศࡢࡳࡀ࠺ࡲࡃ᚟ඖࡉࢀࡎ㸪ධຊࡋࡓ⁐᥋Ḟ㝗᭷ࡾࡢ⏬ീ࡜ࡣ␗࡞ࡿ⏬ീࡀ᚟ඖࡉࢀࡿ㸬ࡑࡢࡓࡵ㸪ධຊ⏬ീ࡜᚟ඖ⏬ീ࡟࠾ࡅࡿྛ⏬⣲್ࡢᕪࢆィ⟬ࡍࡿࡇ࡜࡛㸪⁐᥋Ḟ㝗᭷↓ࡢุูࡀྍ⬟࡜࡞ࡿ㸬ࡋ࠿ࡋ㸪ධຊ⏬
ീ࠾ࡼࡧ᚟ඖ⏬ീ࡟ࡣ㸪YOLO ࡟ࡼࡾᢳฟࡋࡓᗏ㠃࢚ࢥ࣮ࡢ୍㒊ࡀྵࡲࢀ࡚࠾ࡾ㸪ᗏ㠃࢚ࢥ࣮ࡢᙧ≧ࡣ⏬ീࡈ࡜࡟␗࡞ࡿࡓࡵ㸪AE ࡟ࡼࡿ᏶඲࡞᚟ඖࡀᅔ
㞴࡛࠶ࡗࡓ㸬ࡑࡢࡓࡵ㸪ධຊ⏬ീ࡜᚟ඖ⏬ീ࡟࠾ࡅࡿྛ⏬⣲್ࡢᕪࡣ㸪⁐᥋Ḟ㝗㒊ศ࡜ྠᵝ࡟ᗏ㠃࢚ࢥ࣮㒊࡟࠾࠸࡚ࡶ኱ࡁࡃ࡞ࡗࡓ㸬ࡑࡇ࡛㸪ධຊ⏬ീ࡜᚟ඖ⏬ീࡢ⁐᥋Ḟ㝗㒊ศ࡛ࡢᕪࢆ㢧ⴭ࡟ࡍࡿࡓࡵ㸪ධຊ⏬ീ࡜᚟ඖ⏬ീࡢᕪࢆィ⟬ࡍࡿ๓࡟㸪ᗏ㠃࢚ࢥ࣮㒊ࢆ㝖ཤࡍࡿฎ⌮ࢆ⾜ࡗࡓ㸬ࡲࡓ㸪⁐᥋Ḟ㝗ࡀ᭷ࡿሙྜ㸪⁐᥋Ḟ㝗㒊ศ࡟࠾ࡅࡿᕪࡀࡑࢀ௨እࡢ㡿ᇦ࡜ẚ࡭࡚኱ࡁࡃ࡞ࡿࡓࡵ㸪ྛ⏬⣲್ࡢᕪࡢศᩓࡣ኱
ࡁࡃ࡞ࡿ㸬୍᪉㸪⁐᥋Ḟ㝗ࡀ↓࠸ሙྜ㸪ࣀ࢖ࢬ࡞࡝
ࡢᙳ㡪ࢆ㝖࠸࡚ᕪࡣᑠࡉࡃ࡞ࡿࡓࡵ㸪┦ᑐⓗ࡟ྛ⏬
⣲್ࡢᕪࡢศᩓࡣᑠࡉࡃ࡞ࡿ㸬ࡇࡇ࡛ࡣ㸪ホ౯ᣦᶆ࡟ྛ⏬⣲್ࡢᕪࡢศᩓࢆ౑⏝ࡋ㸪୍ᐃ್௨ୖࡢሙྜ
࡟ࠕ⁐᥋Ḟ㝗᭷ࡾࠖ㸪୍ᐃ್ࡼࡾᑠࡉ࠸ሙྜ࡟ࠕ⁐᥋Ḟ㝗↓ࡋࠖ࡜ุᐃࡍࡿࡇ࡜࡟ࡋࡓ㸬 ࢸࢫࢺ⏝ࢹ࣮ࢱ࡟ᑐࡍࡿ AE ࢆ⏝࠸ࡓ⏬ീ᚟ඖ࡟ࡼࡿ⁐᥋Ḟ㝗ࡢ᭷↓ุᐃ⢭ᗘࡣ⣙ 92%࡜࡞ࡾ㸪3ࡘࡢุᐃᡭἲࡢ࠺ࡕ᭱ࡶ㧗࠸ุᐃ⢭ᗘ࡜࡞ࡗࡓ㸬㸵㸬࢔ࣥࢧࣥࣈࣝ࡟ࡼࡿุᐃ
 ಙ㢗ᗘุᐃྛุᐃᡭἲ࡟࠾ࡅࡿ⁐᥋Ḟ㝗᭷↓ࡢุᐃ⢭ᗘ࡟ࡣ㸪ࡤࡽࡘࡁࡀ࠶ࡗࡓ㸬ࡲࡓ㸪ุᐃᡭἲ࡟ࡼࡗ࡚᥈
യ⏬ീࡈ࡜ࡢṇゎ࠾ࡼࡧ୙ṇゎࡀ␗࡞ࡗ࡚࠸ࡓ㸬౛࠼ࡤ㸪ྛุᐃᡭἲࡢ࠺ࡕ᭱ࡶ⢭ᗘࡀ㧗࠸ AE ࡟ࡼࡿุᐃࡀㄗࡗ࡚࠸ࡿ⏬ീ࡟ᑐࡋ࡚㸪CNN ࠾ࡼࡧ⏬ീฎ⌮࡛ࡣṇࡋ࠸ุᐃ⤖ᯝ࡜࡞ࡿ஦౛ࡀぢࡽࢀࡓ㸬ࡑࡇ࡛㸪ྛุᐃᡭἲࡀฟࡋࡓุᐃ⤖ᯝ࡟ᑐࡋ࡚㸪ಙ㢗ᗘࢆ᥃ࡅྜࢃࡏࡓ⁐᥋Ḟ㝗ࡢ᭷↓ุᐃ᪉ἲࢆᑟධࡋࡓ㸬ಙ㢗ᗘࡣ㸪ุᐃ⏬ീ࡟ᑐࡍࡿྛุᐃᡭἲࡢ☜࠿ࡽࡋࡉࢆ⾲ࡍ㸬஦๓࡟㸪ุᐃᡭἲู࡟ṇࡋࡃุᐃ࡛ࡁ
ࡓ⏬ീ㸪ุᐃ࡛ࡁ࡞࠿ࡗࡓ⏬ീࢆ‽ഛࡋ㸪CNN ࡟ࡼࡾ࡝ࡢࡼ࠺࡞⏬ീ࡟ᑐࡋ࡚ṇࡋ࠸ุᐃࡀ࡛ࡁࡿ

J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ
࠿ࢆᏛ⩦ࡋࡓ㸬ࡇࢀ࡟ࡼࡾ㸪YOLO ࡟ࡼࡿᢳฟ⏬ീࢆධຊࡋࡓ㝿࡟㸪ṇࡋ࠸ุᐃࡀ࡛ࡁࡿ⏬ീ࡛࠶ࡿ࠿
ࡢ☜ಙᗘࡀุᐃᡭἲࡈ࡜࡟ฟຊࡉࢀࡿ㸬ࡘࡲࡾ㸪㐣ཤ࡟ṇゎࡋࡓ⏬ീ࡟ఝ࡚࠸ࡿሙྜࡣ 1 ࡟㸪㐣ཤ࡟୙ṇゎ࡜࡞ࡗࡓ⏬ീ࡟ఝ࡚࠸ࡿሙྜࡣ 0 ࡟㏆࠸್ࡀồࡲࡿ㸬 ࢔ࣥࢧࣥࣈࣝ࡟ࡼࡿ⁐᥋Ḟ㝗᭷↓ุᐃ᭱ᚋ࡟㸪ᘧ(1)࡟♧ࡍྛᡭἲࡢุᐃ⤖ᯝ xi ࡜ୖグࡢಙ㢗ᗘ ri ࡢ⥲࿴ y ࡟ࡼࡿ࢔ࣥࢧࣥࣈࣝࢆ⾜࠺㸬࢔ࣥࢧࣥࣈࣝࡢ⤖ᯝ㸪y > 0 ࡢሙྜࡣࠕ⁐᥋Ḟ㝗᭷ࡾࠖ㸪
y < 0 ࡢሙྜࡣࠕ⁐᥋Ḟ㝗↓ࡋࠖ㸪y = 0 ࡢሙྜࡣࠕุ
ᐃ୙ྍࠖࢆ᭱⤊ⓗ࡞ุᐃ⤖ᯝ࡜ࡋ࡚ฟຊࡍࡿ㸬ࡘࡲࡾ㸪᥈യ⏬ീ࡟ᛂࡌࡓಙ㢗ᗘ࡟ࡼࡾ㸪ྛุᐃᡭἲࡢ
ุᐃ⤖ᯝࢆ㐺ษ࡟⪃៖ࡋࡓ⁐᥋Ḟ㝗᭷↓ࡢุᐃ⤖ᯝࢆᚓࡿࡇ࡜ࡀྍ⬟࡜࡞ࡿ㸬࢔ࣥࢧࣥࣈࣝ࡟ࡼࡿ⁐᥋Ḟ㝗᭷↓ࡢุᐃ⤖ᯝ౛ ⁐᥋Ḟ㝗᭷ࡾࡢሙྜ ࢆ⾲ 1 ࡟♧ࡍ㸬⾲ 1 ࡛ࡣ㸪3 ࡘࡢุᐃᡭἲࡢ࠺ࡕ CNN
ࡢࡳࡀ␗࡞ࡿุᐃ⤖ᯝ࡜࡞ࡗ࡚࠸ࡿࡀ㸪⏬ീฎ⌮࠾
ࡼࡧ AE ࡢಙ㢗ᗘࡀ㧗࠸ࡓࡵ㸪᭱⤊ⓗ࡞ุᐃ⤖ᯝࡣࠕ⁐᥋Ḟ㝗᭷ࡾࠖ࡜࡞ࡿ㸬y ൌ ෍ ‫ݔ‬௜ ‫ݎ‬௜‫ ڮ‬ሺ1ሻy㸸⥲࿴
xi㸸ྛุᐃᡭἲ࡟࠾ࡅࡿุᐃ⤖ᯝ㸦⁐᥋Ḟ㝗᭷ࡾ㸸1㸪⁐᥋Ḟ㝗↓ࡋ㸸-1㸧ri㸸ྛุᐃᡭἲ࡟࠾ࡅࡿಙ㢗ᗘ㸦0㹼1 ࡢᐇᩘ್㸧⾲ 1 ࢔ࣥࢧࣥࣈࣝ࡟ࡼࡿุᐃ౛
ุᐃᡭἲྛᡭἲࡢุᐃ⤖ᯝ

‫ݔ‬

ಙ㢗ᗘ

‫ݎ‬

⏬ീฎ⌮

1

¼

0.91 ٙ 0.91

CNN

-1

¼

0.56 ٙ -0.56

AE

1

¼

0.87 ٙ 0.87

⥲࿴

‫ݕ‬

1.22
‫ ݕق‬൐ 0‫ك‬࢔ࣥࢧࣥࣈࣝ࡟ࡼࡿ⁐᥋Ḟ㝗ࡢ᭷↓ุᐃ⢭ᗘࡣ㸪⏬ീ༢఩࡛⣙ 96%㸪⁐᥋⟶༢఩ 1ࢎẖ࡟ྲྀᚓࡋࡓ⏬
ീ 360 ᯛศࢆ 1 ࢭࢵࢺ࡜ࡋࡓࡶࡢ ࡛⣙ 99%ࡢุᐃ⢭ᗘࢆᐇ⌧ࡋࡓ㸬࢔ࣥࢧࣥࣈࣝࢆ⾜࠺ࡇ࡜ุ࡛ᐃ⢭ᗘࡀྥୖࡋ㸪ྛุᐃᡭἲ༢⊂࡛ࡢุᐃ⤖ᯝ࡜ẚ㍑ࡋ
࡚⁐᥋Ḟ㝗ࡢぢⴠ࡜ࡋࡣ㸪࡯࡜ࢇ࡝↓ࡃ࡞ࡗࡓ㸬ఏ⇕ 2021 ᖺ 10 ᭶

- 48 -

㸶㸬ᐇᶵ᳨ᰝᴗົ࡬ࡢ㐺⏝㛤Ⓨࡋࡓ⮬ືุᐃࢩࢫࢸ࣒ࢆ໬Ꮫࣉࣛࣥࢺྥࡅ
⇕஺᥮ჾࡢ⟶➃⁐᥋㒊࡟࠾ࡅࡿ᳨ᰝᴗົ࡟㐺⏝ࡋࡓ㸬ᮏࢩࢫࢸ࣒ᑟධ࡟ࡼࡿ᳨ᰝࡢὶࢀࢆᅗ 7 ࡟♧ࡍ㸬ᚑ᮶ࡣ㸪᳨ᰝဨࡀྲྀᚓࡋࡓ඲࡚ࡢ᥈യ⏬ീࢹ࣮ࢱ࡟ᑐࡋ࡚┠ど࡟ࡼࡿḞ㝗᭷↓ࡢุᐃࢆ⾜ࡗ࡚࠸ࡓࡀ㸪ุᐃࢩࢫࢸ࣒ᑟධᚋࡣ඲ࢹ࣮ࢱࡢ࠺ࡕ㸪ุᐃࢩࢫࢸ࣒ࡀࠕ⁐᥋Ḟ㝗᭷ࡾࠖ࡜ุ᩿ࡋࡓ⏬ീࡢࡳ᳨ᰝဨ࡟ࡼࡿ┠ど☜ㄆࢆ⾜ࡗࡓ㸬 ࡑࡢ⤖ᯝ㸪ุᐃࢩࢫࢸ࣒ᑟධ๓ࡢ᳨ᰝᴗົ࡜ẚ㍑
ࡋ᳨࡚ᰝ࠾ࡼࡧุᐃ࡟ಀࡿ᫬㛫ࢆ⣙ 75%๐ῶࡍࡿ
ࡇ࡜ࡀ࡛ࡁࡓ㸬ලయⓗ࡟ࡣ㸪200 ୓ࢆ㉸࠼ࡿ᥈യ⏬
ീࢹ࣮ࢱࡢุᐃ࡟⣙ 2 ࢝᭶ࢆせࡋࡓࡀ㸪ᮏࢩࢫࢸ࣒
ࢆ㐺⏝ࡍࡿࡇ࡜࡟ࡼࡗ࡚⣙ 2 㐌㛫࡛㎿㏿࠿ࡘṇ☜࡟ุᐃྍ⬟࡜࡞ࡾ㸪᳨ᰝࢥࢫࢺ࡜᳨ᰝဨࡢ㈇ᢸࢆ኱
ᖜ࡟పῶࡍࡿࡇ࡜ࡀ࡛ࡁࡓ㸬㸷㸬ࡉ࠸ࡈ࡟
㏆ᖺ㸪⇕஺᥮ჾࡢ⟶➃⁐᥋㒊࡟࠾ࡅࡿ⢭ᐦ᳨ᰝࡢࢽ࣮ࢬࡀ㧗ࡲࡗ࡚࠸ࡿ㸬᪂つ〇స᫬ࡢရ㉁ྥୖࡸึ
ᮇ≧ែࡢᢕᥱ㸪࡞ࡽࡧ࡟౪⏝୰ࡢᶵჾ࡟࠾ࡅࡿ᭷ᐖ
࡞ட⿣ࡢ᳨ฟࡸ⿵ಟ࣭᭦᪂ࢆุ᩿ࡍࡿࡓࡵࡢຎ໬デ᩿࡞࡝ࢆ┠ⓗ࡟㸪⟶➃ PAUT ⿦⨨ࡀ㐺⏝ࡉࢀ࡚࠸ࡿ㸬ᚑ᮶㸪⿦⨨ࡼࡾྲྀᚓࡋࡓ᥈യ⏬ീ୰ࡢ⁐᥋Ḟ㝗᭷↓ࡣ㸪᳨ᰝဨࡀ┠ど࡟ࡼࡾ 1 ᯛࡎࡘุᐃࡋ࡚࠸ࡓ
ࡀ㸪᳨ᰝࢥࢫࢺࡸ᳨ᰝဨࡢ㈇ᢸ㍍ῶ࡜࠸ࡗࡓㄢ㢟ࢆඞ᭹ࡍࡿᚲせᛶ࠿ࡽᮏ㛤Ⓨࢆ⾜ࡗࡓ㸬㐺⏝ࡋࡓᡭἲ࠾ࡼࡧᚓࡽࢀࡓᡂᯝࢆୗグ࡟♧ࡍ㸬
1. YOLO ࢆ⏝࠸࡚᥈യ㡿ᇦࢆ᳨ฟ࠾ࡼࡧᢳฟࡋ
ࡓ㸬
2.⏬ീฎ⌮㸪CNN㸪AE ࡢุᐃᡭἲ࡟ࡼࡾ㸪⁐᥋Ḟ㝗ࡢ᭷↓ࢆุᐃࡋࡓ㸬
3. ྛุᐃᡭἲࡢุᐃ⤖ᯝ࡜ಙ㢗ᗘࢆ⏝࠸ࡓ࢔ࣥࢧࣥࣈࣝᡭἲ࡟ࡼࡾ㸪᭱⤊ⓗ࡟⏬ീ༢఩࡛⣙96㸣㸪⁐᥋⟶༢఩࡛⣙ 99%ࡢุᐃ⢭ᗘࢆᐇ⌧ࡋࡓ㸬
4. ⁐᥋Ḟ㝗᭷↓⮬ືุᐃࢩࢫࢸ࣒ࡢ㐺⏝࡟ࡼࡾ㸪᳨ᰝ࠾ࡼࡧุᐃ࡟ಀࡿ᫬㛫ࢆᚑ᮶࡜ẚ࡭࡚⣙75%๐ῶࡍࡿࡇ࡜ࡀ࡛ࡁࡓ㸬௒ᚋ㸪໬Ꮫࣉࣛࣥࢺࡢศ㔝ࢆࡣࡌࡵ㸪ᵝࠎ࡞ศ㔝࡛౑⏝ࡉࢀࡿ⇕஺᥮ჾ࡟࠾ࡅࡿ⟶➃⁐᥋㒊ࡢḞ㝗᳨ฟࡢ࡯࠿㸪ᛂຊ⭉㣗๭ࢀࡸ⟶ෆእ㠃ࡢ⭉㣗㒊᳨ᰝ࡞࡝࡬ᮏࢩࢫࢸ࣒ࡢ㐺⏝ࢆ㐍ࡵ࡚࠸ࡃ㸬

J. HTSJ, Vol. 60, No. 253

≉㞟㸸ࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛ


ᅗ 7 ⁐᥋Ḟ㝗ࡢ᭷↓ࢆ⮬ືุ࡛ᐃࡍࡿࢩࢫࢸ࣒ࡢᑟධ࡟ࡼࡿ᳨ᰝࡢὶࢀཧ⪃ᩥ⊩[1] M.Abe, J.Murakami, N.Shinmura, Ultrasonic Testing
and Photographic Imaging System for Tube toTubesheet Weld of Heat Exchanger, ASME,
PVP2017-65569, (2017), 1-8㸬
[2] ⠛⏣⸅, Ᏻ㒊ṇග, ᮧୖ୔୍, ᪂ᮧ┤ே, ᭹㒊ὒ,ከ⟶ᘧ⇕஺᥮ჾ࡟࠾ࡅࡿ⟶➃⁐᥋㒊ࡢ PAUT ᳨ᰝᢏ⾡, ⁐᥋ᵓ㐀ࢩ࣏ࣥࢪ࣒࢘ 2019 ㅮ₇ㄽᩥ㞟,(2019), 38-43.
[3] ⠛⏣⸅, Ᏻ㒊ṇග, ᮧୖ୔୍, ᪂ᮧ┤ே, ᭹㒊ὒ,ከ⟶ᘧ⇕஺᥮ჾ࡟࠾ࡅࡿ⟶➃⁐᥋㒊ࡢ PAUT ᳨ᰝᢏ⾡, 㓄⟶ᢏ⾡, 62(6), (2020), 8-14.
[4] ⠛⏣⸅, Ᏻ㒊ṇග, ᮧୖ୔୍, ᪂ᮧ┤ே, ᭹㒊ὒ,ከ⟶ᘧ⇕஺᥮ჾ࡟࠾ࡅࡿ⟶➃⁐᥋㒊ࡢ PAUT ᳨ᰝᢏ⾡, ᳨ᰝᢏ⾡, 25(10), (2020), 67-73.
[5] ࿴⏣㈗⿱, ஭ᒸⰋኴ, ⠛⏣⸅, ∦ᒣ⊛, Ᏻ㒊ṇග, ➉୰ಇဢ, ᭹㒊ὒ, ⟶➃⁐᥋㒊ࡢ⁐᥋Ḟ㝗᭷↓⮬ືุᐃࢩࢫࢸ࣒ࡢ㛤Ⓨ, Hitz ᢏሗ, 81(1),(2020), 2-8.

ఏ⇕ 2021 ᖺ 10 ᭶

- 49 -[6] J.Redmon, S.Divvala, R.Girshick et al., You Only
Look Once: Unified, Real-Time Object Detection,
IEEE Conference on Computer Vision and Pattern
Recognition, (2016), 779-788.
[7] J.Redmona and A.Farhadi: YOLO9000: Better,
Faster, Stronger, IEEE Conference on Computer
Vision and Pattern Recognition, (2017), 7263-7271.
[8] Y.LeCun, B.Boser, J.S.Denker et al., Backpropagation
Applied to Handwritten Zip Code Recognition,
Neural Computation, 1(4), (1989), 541-551.
[9] G.E.Hinton and R.R.Salakhutdinov, Reducing theDimensionality of Data with Neural Networks,
Science, 313(5786), (2006), 504-507.

J. HTSJ, Vol. 60, No. 253

ࣄࢫࢺ࣮ࣜ㹏ே࡜⇕࡜ࡢ㛵ࢃࡾࡢ㊊㊧㸦ࡑࡢ㸶㸧㸫᪥ᮏ㏆௦〇㕲ࡢⓎ⚈ 㔩▼࠿ࡽඵᖭ࡬㸫
Footprints of the relationship between humans and heat (Part 8)-Origin of Japanese modern iron manufacture “From Kamaishi to Yahata”᳃ ୍ḯ㸦㔩▼ᕷᩥ໬ࢫ࣏࣮ࢶ㒊ୡ⏺㑇⏘ㄢ㸧㸪ᫍ ᮁ㸦ᮾ໭Ꮫ㝔኱Ꮫ㸧
Kazuyoshi MORI (World Heritage Division, Kamaishi City)
and Akira HOSHI (Tohoku Gakuin University)e-mail: mori1842@city.kamaishi.iwate.jp, ahoshi@mail.tohoku-gakuin.ac.jpࡇ࡜ࡀฟ᮶ࡎ㸪࢜ࣛࣥࢲࡢࣟ࢖ࢡᅜ❧኱◙㗪㐀ᡤ㛗ࣄࣗࢤ࣮ࢽࣥࡀⴭࡋࡓࠗࣟ࢖ࢡᅜ❧኱◙㗪㐀ᡤ࡟࠾ࡅࡿ㗪㐀ἲ࠘࡞࡝ࢆ⩻ヂࡋ㸪ࡇࢀࢆᡭᮏ࡟ᐇ≀ࢆぢࡓࡇ࡜ࡶ࡞࠸ࡲࡲ཯ᑕ⅔ᘓタ࡟஌ࡾฟࡋࡓ㸬ࡋ࠿ࡋ㸪ᙜึ㸪཯ᑕ⅔࡛౑⏝ࡍࡿ㖧㕲㸦㕲㖔▼ࢆ㑏ඖࡋ࡚ᚓࡽࢀࡿ㕲࡛Ⅳ⣲ࢆ 2.1%௨ୖྵࡴࡶࡢ
ࢆ࠸࠺㸬㸧ࡣᚑ᮶ࡢࡓࡓࡽ〇㕲ᢏἲࡢ◁㕲㖧࡛࠶ࡗࡓࡀ㸪◁㕲㖧࡛సࡗࡓ኱◙ࡣ㸪Ⓨ◙࡜ඹ࡟ட⿣ࡀ
ධࡿ࡞࡝㸪ᮦ㉁ୖࡢከࡃࡢၥ㢟ࡀ࠶ࡗࡓࡇ࡜࠿ࡽ㸪ᒾ㕲㸦☢㕲㖔㸧ࢆཎᩱ࡜ࡍࡿ㖧㕲ࡀᚲせ࡜࡞ࡗࡓ㸬 ᨝ዀὴࡢᛴඛ㗓࡛࠶ࡗࡓỈᡞ⸬࡛ࡣ㸪๓⸬୺ᚨᕝᩧ᫛ࡢ୺ᑟ࡟ࡼࡾᾏ㜵ᙉ໬ࡀ᥎ࡋ㐍ࡵࡽࢀ㸪┒
ᒸ⸬ฟ㌟ࡢ኱ᓥ㧗௵ࡸ⸃ᦶ⸬ኈ➉ୗΎྑ⾨㛛▴᪉㸪୕᫓⸬ኈ⇃⏣჆㛛᐀ᘯࢆᣍ⪸ࡋ㸪Ᏻᨻ 3㸦1856㸧ᖺ࡟㑣⌃‖཯ᑕ⅔ࡀ᏶ᡂࡋࡓ㸬࡞࠾㸪Ỉᡞ⸬ࡣࡇࡢᙜ᫬㸪㖡ࡢ౪⤥ࡀᅔ㞴࡞ࡓࡵ࡟㕲〇኱◙〇㐀࡟⯦ࢆษࡗࡓࡢ࡛࠶ࡗ࡚㸪㕲〇኱◙ࡢ᭷ຠᛶ࡟ࡘ࠸
࡚ࡣㄆ㆑ࡋ࡚࠸࡞࠸Ⅼࡣ㏆௦໬࡟ᑐࡍࡿⅭᨻ⪅࡜ᢏ⾡⪅ࡢࢠࣕࢵࣉ࡜ࡋ࡚ᤊ࠼ࡿࡇ࡜ࡀ࡛ࡁࡿ㸬㸯㸬ࡣࡌࡵ࡟
2015 ᖺ࡟ୡ⏺㑇⏘࡜࡞ࡗࡓࠕ᫂἞᪥ᮏࡢ⏘ᴗ㠉࿨㑇⏘㸫〇㕲࣭〇㗰㸪㐀⯪㸪▼Ⅳ⏘ᴗࠖࡣ㸪ᖥᮎ࠿ࡽ᫂἞࡟⣙༙ୡ⣖࡜࠸࠺▷ᮇ㛫࡛㏆௦໬ࢆᯝࡓ
ࡋࡓ㌶㊧ࢆ≀ㄒࡿ㑇⏘⩌࡛㸪8 ┴ 11 ᕷࡢ 23 ㈨⏘࡛ᵓᡂࡉࢀ࡚࠸ࡿ㸬ᶫ㔝㕲㖔ᒣ㸦㔩▼ᕷ㸧ࡣ㸪ࡇࡢࠕ᫂἞᪥ᮏࡢ⏘ᴗ㠉࿨㑇⏘ࠖࢆᵓᡂࡍࡿ㈨⏘ࡢ୍ࡘ࡛㸪Ᏻᨻ 5㸦1858㸧ᖺ࡟኱ᓥ㧗௵㸦ᅗ 1㸪ὀ 1㸧࡟ࡼࡗ࡚⠏࠿ࢀࡓ᪥ᮏ⌧Ꮡ᭱ྂࡢὒᘧ㧗⅔㊧࡜ࡋ࡚᪥ᮏࡢ㏆௦〇㕲ࡢࡣࡌࡲࡾࢆ≀ㄒࡗ࡚࠸ࡿ㸬⌧ᅾࡶṧࡿ᥇᥀ሙ㊧㸪㐠ᦙ⅔㊧㸪ㅖ᪋タࡢ࠶ࡿ㧗⅔
ሙ㊧ࡣ㸪ᙜ᫬ࡢ〇㕲ࡢ୍㐃ᕤ⛬ࢆ⌮ゎࡍࡿࡇ࡜ࡀ
࡛ࡁࡿ㈗㔜࡞㑇㊧࡜࡞ࡗ࡚࠸ࡿ[1] [2]㸬〇㕲࣭〇㗰㒊㛛࡟࠾࠸࡚ࡣ㸪ࡇࢀࡲ࡛᪥ᮏึࡢ
㏆௦〇㕲ᡤ࠶ࡿ࠸ࡣ㏆௦〇㕲ࡢⓎ⚈ᆅ࡜ࡋ࡚ඵᖭ
〇㚩ᡤࡀྲྀࡾୖࡆࡽࢀ࡚ࡁࡓࡀ㸪ࠕ᫂἞᪥ᮏࡢ⏘ᴗ㠉࿨㑇⏘࡛ࠖࡣඵᖭ〇㚩ᡤࢆ᪥ᮏࡢ⏘ᴗ㠉࿨ࡢ㐩ᡂⅬ࡜఩⨨࡙ࡅ࡚㔩▼ࢆⓎ⚈࡜ࡋ㸪ඵᖭ࡟࠾࠸
࡚㐩ᡂ࡟⮳ࡿὶࢀࢆ㩭᫂࡟ࡋ࡚࠸ࡿ㸬㔩▼ᕷ࡟࠾࠸࡚ࡣᶫ㔝㕲㖔ᒣ࢖ࣥࣇ࢛࣓࣮ࢩࣙࣥࢭࣥࢱ࣮࠾
ࡼࡧ㔩▼ᕷ❧㕲ࡢṔྐ㤋࡟㛵㐃ࡍࡿ㈨ᩱࡸゎㄝࣃࢿࣝࢆタ⨨ࡋ࡚࠸ࡿ㸦ὀ 2㸧㸬ᮏ✏࡛ࡣୡ⏺㑇⏘ࡢ୍⩼ࢆ࡞ࡍ〇㕲࣭〇㗰ศ㔝ࡢὶࢀࢆ⤂௓ࡍࡿࡇ࡜࡜ࡍࡿ㸬㸰㸬᪥ᮏ㏆௦〇㕲Ⓨ⚈ᆅ㔩▼Ụᡞ᫬௦ᮎ㸪すḢิᙉࡀ᪥ᮏ㏆ᾏ࡟᥋㏆ࡋࡓ㸬㙐ᅜࢆࡋ࡚࠸ࡓ᪥ᮏ࡛ࡣ㸪ࡑࡢᑐᛂ࡜ࡋ࡚ᾏ㜵ࡢᙉ໬ࢆ⾜ࡗ࡚࠸ࡓ㸬ࡑࡢ୰࡛㸪Ḣ⡿࡟ᑐᛂ࡛ࡁࡿ
㌷ഛ࡜ࡋ࡚㸪బ㈡⸬ࡸ⸃ᦶ⸬࡞࡝ࡀ㕲〇኱◙ࡢ⏕⏘࡟஌ࡾฟࡋࡓ㸬㕲〇኱◙⏕⏘࡟ࡣすὒᢏ⾡ࡢᑟධࡀᚲせ࡛࠶ࡗࡓࡀ㸪እᅜேᢏᖌ࠿ࡽ┤᥋ᩍࢃࡿఏ⇕ 2021 ᖺ 10 ᭶

ᅗ 1 ኱ᓥ㧗௵ 㕲ࡢṔྐ㤋ⶶ - 50 -J. HTSJ, Vol. 60, No. 253

ࣄࢫࢺ࣮ࣜ㹏 ࡉࡽ࡟኱ᓥࡣ㸪㕲〇኱◙ࡢཎᩱࡣ◁㕲㖧࡛ࡣ࡞ࡃ㸪ᒾ㕲㸦☢㕲㖔㸧㖧࡛࠶ࡿ࡭ࡁ࡜࠸࠺ぢゎ࠿ࡽ㸪཯ᑕ⅔࡟ᒾ㕲㖧ࢆ౪⤥ࡍࡿ┠ⓗ࡛㸪኱ᶫ㸦⌧㔩▼ᕷ⏥Ꮚ⏫➨ 1 ᆅ๭㸧࡟㧗⅔ᘓタࢆィ⏬ࡋ࡚㸪⮬ࡽࡢᒓࡍࡿ┒ᒸ⸬࡟ฟ㈨ࢆ౫㢗ࡋࡓ㸬ࡋ࠿ࡋ㸪┒ᒸ⸬࡟࡜ࡗ࡚㧗⅔ᘓタࡣึࡢヨࡳ࡛࠶ࡾ㸪ࡲࡓ┒ᒸ⸬ࡣ㈈ᨻ㞴࡛࠶ࡗࡓࡓࡵฟ㈨ࡏࡎ㸪኱ᓥࡣᒣ⏣㸦⌧ᒾᡭ┴ୗ㛢ఀ㒆ᒣ⏣⏫㸧ࡢᚚ⤥ே ᚚ⏝㔠⊩⣡➼࡟ࡼࡾṊኈ㝵⣭ࢆᚓࡓၟே ㈏Ὕ℩ᕥ⾨㛛࡟ฟ㈨ࢆ
౫㢗ࡋ㸪Ᏻᨻ 4 ᖺ 12 ᭶ 1 ᪥㸦すᬺ 1858 ᖺ 1 ᭶ 15᪥㸧㸪᪥ᮏ࡛ึࡵ࡚㕲㖔▼ࢆཎᩱ࡜ࡋࡓ㧗⅔࡛ࡢ㐃⥆ฟ㖧࡟ᡂຌࡋࡓ㸬ࡇࢀࡀ㏆௦〇㕲ࡢⓎ⚈࡜࡞ࡾ㸪ࡑࡢຌ⦼࡟ࡼࡾ኱ᓥ㧗௵ࡣࠕ㏆௦〇㕲ࡢ∗ࠖ࡜࿧ࡤࢀ࡚࠸ࡿ㸬࡞࠾㸪᪥ᮏ㕲㗰㐃┕࡛ࡣ᫛࿴ 34
㸦1959㸧ᖺ࡟ 12 ᭶ 1 ᪥ࢆ㺀㕲ࡢグᛕ᪥㺁࡜ไᐃࡋ࡚
࠸ࡿ㸬ࡇࡢᡂຌࢆཷࡅ㸪┒ᒸ⸬࡛ࡣᏳᨻ 5㸦1858㸧ᖺ࡟ᶫ㔝㕲㖔ᒣࢆᘓタࡋࡓ㸬㸦ᅗ 2㸧ࡋ࠿ࡋ࡞ࡀࡽ㸪Ᏻᨻࡢ኱⊹࡟ࡼࡾᩧ᫛ࡀ⽁ᒃ࡜࡞ࡾ㸪౪⤥ඛࡢ㑣⌃‖཯ᑕ⅔ࡀ㛢㙐ࡉࢀࡓࡾ㸪㛤ᅜ࡟కࡗ࡚රჾ➼ࡀすḢㅖᅜ࠿ࡽ㍺ධࡉࢀࡓࡾࡋ
ࡓࡓࡵ㸪ᮏ᮶ࡢᙺ๭ࢆᯝࡓࡉ࡞࠸ࡲࡲ᫂἞ࢆ㏄࠼ࡿࡇ࡜࡜࡞ࡿ㸬៞ᛂᖺ㛫㸪┒ᒸ⸬࡛ࡣ௝ྎ⸬࡟ೌ
࠸㕲㖹ࡢ⏕⏘ࢆィ⏬ࡋ㸪኱㏕㸦⌧ⰼᕳᕷ኱㏕㸧࡟㖹ᗙࢆ㛤タࡋࡓ㸬ࡉࡽ࡟㸪ࡑࡢศᗙࢆᰩᯘ㸦⌧㔩▼ᕷᰩᯘ⏫㸧࡟ᘓタࡋ㸪㖧㕲㟂せࢆ☜ಖࡋࡓ㸬ᠾ㎮ᡓத࡛㕲㖔ᒣࡢᡤ᭷ࡀ┒ᒸ⸬࠿ࡽẸႠ࡟⛣ࡿ࡜㸪㔩▼ᆅᇦ࡟࠾࠸࡚ࡣྛ㧗⅔ሙ࡟㖹ᗙࢆ㛤タࡋ㸪㧗
⅔㖧࠿ࡽ㗪㖹ࢆ⾜࠸㸪᫂἞ึᮇ࡟ࡣ 7 ࢝ᡤ 13 ᇶࡢ
㧗⅔ࡀ✌ാࡍࡿ࡯࡝ࡢ┒ᴗ࡜࡞ࡗ࡚࠸ࡓ㸦ὀ 3㸧㸬 ⌧ᅾ㸪㟢ฟ㑇ᵓ࡜ࡋ࡚ṧࡗ࡚࠸ࡿࡢࡣᶫ㔝㕲㖔ᒣࡢࡳ࡛㸪ࡇࡕࡽࡶ㧗⅔࡟㛵ࡋ࡚ࡣ 3 ᇶࡢୗ㒊ࡢⰼᓵᒾ▼⤌ࡀṧࡿ⛬ᗘ࡛࠶ࡿ㸬┴ᣦᐃᩥ໬㈈ࠗ⣬ᮏ୧㕲㖔ᒣᚚᒣෆ୪㧗⅔அᅗ࠘㸦㕲ࡢṔྐ㤋ⶶ㸧࡟ࡣ஧␒㧗⅔ࡢ❧㠃࠾ࡼࡧ᩿㠃ᅗࡀᥖ㍕ࡉࢀ࡚࠾ࡾ㸪ࡇࡢ⤮ᅗ࡜᫛࿴ 30㸦1955㸧ᖺ㸪31㸦1956㸧ᖺ࡟ᐇ᪋ࡉࢀࡓⓎ᥀ㄪᰝࡢᡂᯝࢆࡶ࡜࡟㸪㕲ࡢṔྐ㤋࡛ࡣ୕␒㧗⅔ࡢཎᑍᶍᆺࢆ〇సࡋ࡚㸪⥲ྜ₇ฟࢩ࢔ࢱ࣮࡜ࡋ࡚ά⏝ࡉࢀ࡚࠸ࡿ㸦ᅗ 3㸧㸬᫂἞࡟ධࡾ㸪ᨻᗓࡣࠕᐩᅜᙉරࠖࠕṪ⏘⯆ᴗࠖࢆ┠ᶆ࡜ࡋ࡚㏆௦໬ࢆ᥎ࡋ㐍ࡵ㸪ࡑࡢᇶᖿ࡜࡞ࡿ〇㕲ᴗࡢ㏆௦໬ࡢࡓࡵ㸪㔩▼࡟ᐁႠࡢ〇㕲ᡤࢆᘓタࡍࡿࡇ࡜࡜࡞ࡗࡓ㸬᫂἞ 7㸦1874㸧ᖺ㸪ᕤ㒊┬㖔ᒣᑅ㔩▼ᨭᗇࡀタ⨨ࡉࢀ㸪኱ᓥ㧗௵࡜ࢻ࢖ࢶேᢏ
ᖌࣝ࢖ࢫ࣭ࣅ࢔ࣥࣄ࣮ࡀ᮶㔩ࡋࡓ㸬ᘓタ⏝ᆅࡣᾏఏ⇕ 2021 ᖺ 10 ᭶

- 51 -

㐠ࢆά࠿ࡍࡓࡵ㸪㖔▼᥇᥀ሙࡢ㞄᥋ᆅ࡛ࡣ࡞ࡃἢ
ᓊ㒊࡟ᘓタࡍࡿィ⏬࡜࡞ࡗࡓ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪㕥Ꮚ㸦⌧㔩▼ᕷ㕥Ꮚ⏫㸧࡟ 25 t 㧗⅔ 2 ᇶ㸪ࡑࡋ࡚㖔▼➼ࡢ㍺㏦࡟㕲㐨ࢆᩜタࡍࡿ࡜࠸࠺ࣅ࢔ࣥࣄ࣮᱌
࡜኱ྈ㉺㸦⌧㔩▼ᕷ኱ྈ㉺⏫㸧࡟ 10 t 㧗⅔ 5 ᇶ㸪㍺㏦⏝࡟㤿㌴㕲㐨ࢆᩜタࡍࡿ࡜࠸࠺኱ᓥ᱌ࡀᑐ❧ࡋࡓ㸬๓⪅ࡣᅜࡢጾಙࢆ࠿ࡅ኱ࡁ࡞஦ᴗⅬࢆࡋࡼ࠺࡜ࡍࡿࡶࡢ࡛㸪ᚋ⪅ࡣࡲࡉ࡟ࠕᑠࡉࡃ⏕ࢇ࡛኱ࡁࡃ⫱࡚ࡿࠖ࡜࠸࠺ሀᐇ㊰⥺࡛࠶ࡗࡓ㸬ࡑࡢᙜ᫬ࡢᕤ㒊┬࡜ࡋ࡚ࡣ࡝ࡕࡽࡢ᱌ࡀඃࢀࡓࡶࡢ࠿࡜࠸
࠺ࡼࡾࡶ㸪ᅜᐙ஦ᴗ࡛࠶ࡿⅬࡸእᅜேᢏᖌࡢពぢ࡜࠸࠺Ⅼ࡛Ỵᐃࡋࡓ࡜ᛮࢃࢀࡿࡀ㸪ࣅ࢔ࣥࣄ࣮᱌
ࢆ᥇⏝ࡋ㸪㕥Ꮚ࡟〇㕲ᡤࡀᘓタࡉࢀࡓ㸬⌧ᅾࡶ᪥ᮏ〇㕲ᰴᘧ఍♫ᮾ᪥ᮏ〇㕲ᡤ㔩▼ᆅ༊࡜ࡋ࡚✌ാࡋ࡚࠸ࡿ㸬

ᅗ 2 ᶫ㔝㕲㖔ᒣ୕␒㧗⅔㸦ᡭ๓ࡀ‫‮‬ฟࡋཱྀ㸧ᅗ 3 ᶫ㔝㕲㖔ᒣ୕␒㧗⅔ཎᑍᶍᆺ㸦ᡭ๓ࡀ‫‮‬ฟࡋཱྀ㸧㸦㕲ࡢṔྐ㤋ⶶ䠅

J. HTSJ, Vol. 60, No. 253

ࣄࢫࢺ࣮ࣜ㹏 ᐁႠ㔩▼〇㕲ᡤ࡛ࡣ㸪25 t 㧗⅔㸦ᅗ 4㸧ࢆ 2 ᇶ
࡜ࣃࢻࣝ⅔ 12 ᇶࢆタ⨨ࡋࡓ㘐㕲ሙࢆ୺࡟㸪 ࡟ࡣᑓ⏝ᱞᶫࢆタࡅ㸪኱ᶫࡢ᥇㖔ሙ࡜ᑠᕝ㸦⌧㔩▼ᕷ⏥Ꮚ⏫㸧ࡢ〇Ⅳሙ㸪ࡉࡽ࡟㔩▼ࡢᕤሙ㛫࡟㸪ᡃࡀ
ᅜ 3 ␒┠ࡢ㕲㐨㸪ᕤ㒊┬㖔ᒣᑅ㔩▼㕲㐨ࢆᘓタࡋ㸪㕲㖔▼࠾ࡼࡧᮌⅣࢆ㐠ᦙࡋࡓ㸬ᘓタᖺᩘ 6 ᖺ㸪ᕧ㢠ࡢタഛᢞ㈨㸪20 ྡ㏆࠸እᅜேᢏᖌࢆ㞠⏝ࡋࡓᕧ኱ࣉࣟࢪ࢙ࢡࢺࡣ㸪ᐇ᪥ᩘ㸯ᖺ࡟ࡶ‶ࡓ࡞࠸ࡲࡲ㸪᫂἞ 15㸦1882㸧ᖺ 12 ᭶࡟ႠᴗᗫṆࡀỴᐃࡋࡓ㸦ὀ 4㸧[3]㸬

ᢏᖌ࡛ᖇᅜ኱Ꮫᕤ⛉኱Ꮫ᥇㖔෬㔠⛉ᩍᤵࡢ㔝࿅ᬒ⩏࡜㸪ࡑࡢᘵᏊ࡛㎰ၟົ┬ᢏᖌヨ⿵ࡢ㤶ᮧᑠ㘓࡟ࡑࡢᨵಟࢆ౫㢗ࡋ㸪᫂἞ 27㸦1894㸧ᖺ㸪30㹲⅔࡜ࡋ࡚᧯ᴗ࡟ᡂຌࡋࡓ㸬ࡇࡢ⅔ࡣᮌⅣ࡟௦ࢃࡾࢥ࣮
ࢡࢫࢆ⏝࠸࡚〇㘐ࡋࡓࡇ࡜࡛㸪ฟ㖧㔞ࡀ㣕㌍ⓗ࡟ቑຍࡋࡓ㸬ࡇࡢᖺ㸪㔩▼㖧ࡣ⏕⏘㔞࡟࠾࠸࡚ึࡵ
࡚୰ᅜᆅ᪉ࡢ◁㕲㖧ࢆ㉸࠼ࡓ㸬ࡇࡢࢥ࣮ࢡࢫ㖧ࡣ㸪ࢃࡀᅜึࡵ࡚ࡢᡂຌ࡛࠶ࡾ㸪⌧ᅾࡶࡇࡢ᪉ἲࡀ᥇
⏝ࡉࢀ࡚࠸ࡿ㸬

ᅗ 4 ᐁႠ 25 t 㧗⅔㔩▼㖔ᒣ⏣୰〇㚩ᡤ෗┿ᖂࡼࡾ㕲ࡢṔྐ㤋ⶶ 

ᅗ 5 49 ᅇ┠࡟ࡋ࡚ฟ㖧࡟ᡂຌࡋࡓ㧗⅔
㕲ࡢṔྐ㤋ⶶ ࡑࡢᚋ㸪㔩▼〇㕲ᡤࡣ⏣୰㛗ර⾨࡟ᡶ࠸ୗࡆࡽ
ࢀ㸪⏣୰ࡣᶓ㡲㈡ᨭᗑ㛗ࡢᶓᒣஂኴ㑻࡟୍ษࢆ௵
ࡏࡓ㸬ᙜึィ⏬࡛ࡣ㸪㕲㖔▼ࡸᮌⅣࢆᡶୗࡆ㸪ᮾி࡛኎ࡾࡉࡤࡃணᐃ࡛࠶ࡗࡓࡀ㸪≀౯ࡀୗⴠࡋ㸪ࡉࡽ࡟㐠㈤ࡀ㧗㦐ࡋࡓࡓࡵ࡟ୖᡭࡃ࠸࠿࡞࠿ࡗࡓ㸬ᶓᒣࡣ෌ᗘ㸪㔩▼࡛〇㕲ࢆ⾜࠺ࡇ࡜ࢆỴ᩿ࡋ㸪ᆅඖฟ㌟ࡢ㧗ᶫ஼ຓࢆ㧗⅔୺௵࡟㸪ᮧ஭※ර⾨ࢆᶵᲔ୺௵࡟᥇⏝ࡋ࡚㸪48 ᅇࡢኻᩋࢆ஌㉺࠼࡚᫂἞ 19
㸦1886㸧ᖺ࡟ฟ㖧࡟ᡂຌ㸦ᅗ 5㸧㸪⩣᫂἞ 20㸦1887㸧ᖺ࡟㔩▼㖔ᒣ⏣୰〇㚩ᡤࢆタ❧ࡋࡓ㸬ࡑࡢᚋ㸪᫂
἞ 24㸦1891㸧ᖺࡲ࡛࡟኱ᶫࡸ㕥Ꮚ࡟㧗⅔ࢆ 2 ᇶࡎࡘ᪂タࡋ㸪ࡉࡽ࡟᫂἞ 27㸦1894㸧ᖺ࡟ࡣᰩᶫศᕤሙࢆタ⨨ࡋ㸪㧗⅔ࢆ 1 ᇶ᧯ᴗࡋ㸪ྜィ࡛ 7 ᇶࡢᑠ
㧗⅔࡛᧯ᴗࢆ⾜ࡗࡓ㸬ࡇࡢ㛫㸪㔩▼࡛⏕⏘ࡉࢀࡓ㖧㕲ࡣ㸪᫂἞ 23㸦1890㸧ᖺࡢ኱㜰◙රᕤᘂࡢᐇ㦂࡟ࡼࡾ㸪ࡇࢀࡲ࡛ᾏᓊ◙ᙎ୸〇㐀⏝࡟㍺ධࡋ࡚࠸
ࡓ࢖ࢱࣜ࢔ࡢࢢࣞࢦ࣮ࣜࢽ㖧࡟ẚ࡭࡚㐯Ⰽ࡞ࡋ࡜ࡢ⤖ᯝࡀᚓࡽࢀ㸪㟂せᣑ኱࡬࡜⧅ࡀࡗࡓ㸬୍᪉㸪ᐁႠ㔩▼〇㕲ᡤ᫬௦ࡢ⅔ 2 ᇶࡣ㸪ᗫᴗᚋࡑࡢࡲࡲࡢ≧ែ࡛࠶ࡗࡓ㸬ࡑࡇ࡛㸪⏣୰ࡣ㎰ၟົ

᫂἞ 27 ᖺࡣ᪥Ύᡓதࡢ᫬ᮇ࡟࠶ࡓࡾ㸪㕲㐨࡞࡝ࡢ࢖ࣥࣇࣛࡢ඘ᐇࡀᚲせ࡜ࡉࢀࡿ୰㸪᪥ᮏே࡟ࡼ
ࡿ኱ᆺ㧗⅔ࡢ᧯ᴗ㸪ࡑࡋ࡚ࢥ࣮ࢡࢫ࡬ࡢ㌿᥮ࡢᡂຌࡣ㸪ᐁႠඵᖭ〇㚩ᡤタ⨨ࡢᚋᢲࡋ࡜࡞ࡗࡓ㸬ᐁႠඵᖭ〇㚩ᡤࡢᘓタ᫬࡟ࡣ㔩▼ࡢᢏᖌ࡜ 8 ྡࡢ⇍⦎⫋ᕤࡀὴ㐵ࡉࢀࡓ࡯࠿㸪ึ௦ᢏ┘࡟ࡣ኱ᓥ㧗௵ࡢ㛗⏨㐨ኴ㑻ࡀᑵࡁ㸪᫂἞ 34㸦1901㸧ᖺ᧯ᴗࢆ㛤ጞࡍࡿ㸬ࡋ࠿ࡋ㸪ᙜึࡣୖᡭࡃ࠸࠿࡞࠿ࡗࡓ
ࡓࡵ㸪კク㢳ၥ࡜ࡋ࡚㔝࿅ᬒ⩏ࡀᣦᑟࡋ㸪᪥ᮏ᭱኱࡟ࡋ࡚ึࡢ㖧㗰୍㈏యไࡢ〇㕲ᡤ࡜ࡋ࡚ᮏ᱁ጞ
ືࡍࡿ㸬࡞࠾㸪㔩▼〇㕲ᡤࡶ㖧㗰୍㈏యไ࡟ྲྀࡾ
᥃࠿ࡾ㸪᫂἞ 36㸦1903㸧ᖺ㸪Ẹ㛫ึࡢ㖧㗰୍㈏య
ไࢆ☜❧ࡍࡿ㸬ఏ⇕ 2021 ᖺ 10 ᭶

- 52 -㸱㸬㔩▼〇㕲ᢏ⾡ࡢኚ㑄᪥ᮏྂ᮶ࡢࡓࡓࡽ〇㕲࡛ࡣ㸪⅔ࡢ ᗘࡀ 1200Υ
๓ᚋ࡛࠶ࡗࡓࡓࡵ⁐㖧࡜࡞ࡽࡎ㸪㕲ࡢྲྀฟࡋ࡟⅔
ࡢゎయࡀᚲせ࡛࠶ࡗࡓ㸬୍᪉࡛㧗⅔ࡣ 1400Υ௨ୖ࡜࡞ࡿࡓࡵ⁐㖧࡜࡞ࡾ㸪㐃⥆ฟ㖧ࢆྍ⬟࡜ࡋࡓ㸬
⅔ࡢ㧗ࡉࡀ ᗘୖ᪼ࡢせᅉ࡟࡞ࡿࡀ㸪㧗࠸⅔ࡢ
ᘓタ࡟ࡣ⪏ⅆ↢⎰ࡢᑟධࡀᚲせ࡛࠶ࡗࡓ㸬⪏ⅆ↢J. HTSJ, Vol. 60, No. 253

ࣄࢫࢺ࣮ࣜ㹏⎰ࡣᙜ᫬ࡢ᪥ᮏ࡟ࡣ↓ࡃ㸪బ㈡ࡢ⠏ᆅ㸪ከᕸ᪋཯ᑕ⅔ᘓタ࡟క࠸㸪⹒᭩ࢆ㢗ࡾ࡟〇సࡋࡓࡢࡀጞࡲ
ࡾ࡜⪃࠼ࡽࢀࡿ㸬㔩▼࡟࠾࠸࡚ࡣ㸪኱ᓥࡢ㑣⌃‖
཯ᑕ⅔ࡢ⤒㦂ࢆࡶ࡜࡟ྎᮧ㸦⌧ⰼᕳᕷྎ㸧࡞࡝ࡢ⢓ᅵࢆ⏝࠸࡚〇㐀ࡉࢀࡓ⪏ⅆ↢⎰ࢆ౑⏝ࡋࡓ㸬
⅔ࡢ ᗘࢆୖࡆࡿࡓࡵ࡟ᚲせ࡜࡞ࡿࡢࡀ㏦㢼࡛࠶ࡿࡀ㸪ྂࡃࡣ⿄≧ࡢࡩ࠸ࡈࢆ⏝࠸࡚࠸ࡓࡀ㸪Ụᡞ᫬௦୰ᮇ࡟す᪥ᮏ࡛ࡣኳ⛗㠹㸦࡚ࢇࡧࢇࡩ࠸ࡈ㸧ࡀ㸪ᮾ᪥ᮏ࡛ࡣ኱ᆺࡢ⟽ࡩ࠸ࡈࡀⓎ㐩ࡋࡓ㸬㏦㢼
ࡣேຊ࡛⾜ࡗ࡚࠾ࡾ㸪␒Ꮚ࡜࿧ࡤࢀࡿ⫋ேࡀ௦ࢃ
ࡿ௦ࢃࡿ㏦㢼࡟ᚑ஦ࡋ㸪ࠕ᭰ࢃࡾ␒Ꮚࠖࡢㄒ※࡜ゝࢃࢀ࡚࠸ࡿ㸬ኳಖᖺ㛫࡟ࡣỈ㌴ࡩ࠸ࡈ㸦Ỉຊ㸧ࡀ
Ⓨ᫂ࡉࢀ࡚࠸ࡓ㸬ࡑࢀ࡜ྜࢃࡏࡿࡼ࠺࡟Ᏻᨻᖺ㛫࡟㧗⅔ἲࡀᑟධࡉࢀ㸪ึᮇ㧗⅔ࡣỈ㌴ࡩ࠸ࡈ࡜࡞
ࡗ࡚࠸ࡿ㸬ᒾᡭ┴ஂឿᕷṔྐẸ಑㈨ᩱᐊ࡛ࡣኳಖᖺ㛫࡟Ⓨ᫂ࡉࢀࡓ࡜ࡉࢀࡿỈ㌴ࡩ࠸ࡈࡢᶍᆺ㸦ᅗ 6㸧ࢆᡤⶶࡋ࡚࠸ࡿ㸬Ỉ㌴㍈࡟ୖୗ 2 ࢝ᡤࡢṑ㌴ࡀྲྀࡾ௜ࡅࡽࢀ㸪ࡑࢀࢆそ࠺ࡼ࠺࡟〼≧ ࡩࡍࡲࡌࡻ࠺ ࡢᯈࡀタ⨨ࡉࢀ㸪Ỉ㌴㍈ࡀᅇࡿࡈ࡜࡟〼≧ࡢᯈࡀ๓ᚋࡋ㸪ࡩ࠸ࡈࡢ᯶ࢆ๓ᚋࡉࡏࡿ௙⤌ࡳ࡜࡞ࡗ࡚࠸
ࡿ㸬ࡩ࠸ࡈ⮬యࡣᪧ᮶ࡢᶓᆺ࡛࠶ࡿ㸬୍᪉㸪⹒᭩࡟ᥥ࠿ࢀࡓ㧗⅔ࡢࡩ࠸ࡈࡣ㸪Ỉ㌴㍈࡟㸱ᮏࡢ∎ࡀ௜ࡉࢀ㸪ࡑࡇ࡟᯶ࡀᙜࡓࡿ࡜ୖ࡟㸪እࢀࡿ࡜ୗ࡟
ⴠࡕࡿࡇ࡜࡛㸪ୖୗࡢࣆࢫࢺࣥ㐠ືࢆࡍࡿ௙⤌ࡳ࡜࡞ࡗ࡚࠸ࡿ㸦ᅗ 7㸧㸬࠸࠿ࡎ㸪ྂ᮶ࡢ⟽ࡩ࠸ࡈࢆ⦪ᆺ࡟ᛂ⏝ࡋ࡚ᡂຌࡋ
࡚࠸ࡿ㸬ᛂ⏝ࡍࡿ࡟࠶ࡓࡾ㸪⹒᭩ࡢࡩ࠸ࡈࡣ㏦㢼ཱྀࡀࡩ࠸ࡈࡢ㡬Ⅼ㒊࡛࠶ࡗࡓࡀ㸪⟽ᆺࡩ࠸ࡈࡣࡩ࠸ࡈࡢ୰ኸ࡟タ⨨ࡋ࡚࠶ࡿ㸬ࡇࡢࡇ࡜࡟ࡼࡾ㸪๓⪅ࡣࢩ࣐ᯈ ࡩ࠸ࡈෆ࡟࠶ࡗ࡚⛣ືࡋ࡚㏦㢼ࡍࡿᯈ ࡀୖ࡟⾜ࡗࡓ᫬ࡢࡳ࡟㏦㢼࡛ࡁࡿࡢ࡟ᑐࡋ㸪ᚋ⪅ࡣୖୗ⛣ືࡢ୧᪉࡛㏦㢼࡛ࡁࡿࡼ࠺࡟࡞ࡗ࡚࠸ࡿ㸬ᅗ 7 ⹒᭩࡟ᥥ࠿ࢀࡓ㧗⅔
㸦ࠗࣟ࢖ࢡᅜ❧኱◙㗪㐀ᡤ࡟࠾ࡅࡿ㗪㐀ἲ࠘ࡼࡾ㸧ᅗ 8 ⎭ᒣ㧗⅔ᅗ 㕲ࡢṔྐ㤋ⶶ 

ᅗ 6 Ỉ㌴ࡩ࠸ࡈࡢᶍᆺ
㸦ஂឿᕷṔྐẸ಑㈨ᩱᐊⶶ㸧⎭ᒣ㧗⅔ᅗ㸦ᅗ 8㸪ὀ 5㸧࡟ᥥ࠿ࢀࡓࡼ࠺࡟㸪኱ᓥࡣᙜึ⹒᭩ࡢࡲࡲ෇⟄ᆺࡢࡩ࠸ࡈࢆ᥇⏝ࡋࡓࡀ㸪ᙜ᫬ࡢ᪥ᮏࡢ᪕┙ᢏ⾡࡛ࡣ෇⟄ᆺࡢຍᕤࡀୖᡭࡃ

ఏ⇕ 2021 ᖺ 10 ᭶

- 53 -

ᅗ 9 ⟽ᆺỈ㌴ࡩ࠸ࡈ㸦⣬ᮏ୧㕲㖔ᒣᚚᒣෆ୪㧗⅔அᅗࡼࡾ㸧

J. HTSJ, Vol. 60, No. 253

ࣄࢫࢺ࣮ࣜ㹏♫఍᝟ໃ➼࡟ᕥྑࡉࢀ࡞ࡀࡽࡶ⣙༙ୡ⣖࡛⏘ᴗ㠉࿨ࢆᐇ⌧ࡉࡏࡓ⫼ᬒ࡟ࡣ㸪すὒᢏ⾡ࢆཷᐜ࡛ࡁࡿ
ࡔࡅࡢෆᅾⓗ࡞ᢏ⾡ຊࡀ᪥ᮏ࡟ࡣ࠶ࡗࡓ࡜࠸࠺ࡇ
࡜ࡀఛ࠼ࡿ㸬
ྜࢃࡏ࡚㸪୍᪉ⓗ࡞ཷᐜ࡛ࡣᢏ⾡ࡢᐃ╔ࡣࡏࡎ㸪᪥ᮏேᢏᖌࡢᡂ㛗࠾ࡼࡧ᪥ᮏὶ࡬ࡢ࢔ࣞࣥࢪ࡟ࡼ
ࡾ᪥ᮏࡢ⏘ᴗ㠉࿨ࡣᡂࡾ❧ࡗ࡚࠸ࡿ㸬ࡇࡢⅬ࡛㸪᪥ᮏࡢ⏘ᴗ㠉࿨ࡢฟⓎ᫬ࡼࡾேᮦ⫱ᡂࡢࡓࡵ࡟Ꮫᰯࢆタ❧㸪␃Ꮫࡢ᥎ዡࢆᐇ᪋ࡋ࡚ࡁࡓඛ⾜ᢞ㈨ࡣ
኱ࡁࡃᐇࢆ⤖ࢇࡔ࡜࠸࠼ࡿ㸬᪂ᢏ⾡࡬ࡢ⩎ᮃࡣ࠸࠿࡞ࡿ᫬௦࡛ࡶᙉ࠸ࡀ㸪ࡑࢀࢆᐃ╔ࡉࡏ࡚࠸ࡃࡓࡵ࡟ࡣ㸪⮬ᕫࡢ࢟ࣕࣃࢩࢸ
࢕࠾ࡼࡧ࿘㎶ࡢ⎔ቃࢆ▱ࡗࡓ࠺࠼࡛㐍ࡵ࡚࠸ࡃࡇ
࡜ࡀ኱ษ࡛࠶ࡿࡇ࡜ࢆ㸪᪥ᮏࡢ㏆௦〇㕲ྐࡣᨵࡵ࡚♧၀ࡋ࡚ࡃࢀࡿ㸬ࡇࡢ㈗㔜࡞ᩍカࢆయ⌧ࡋ࡚࠸ࡿ㑇⏘⩌ࢆಖㆤά⏝ࡋ࡞ࡀࡽᚋୡ࡟⧅ࡆ࡚࠸ࡃࡇ
࡜ࡀ㸪ᡃࠎࡢ౑࿨࡜⪃࠼࡚࠸ࡿ㸬
ὀ1 ኱ᓥ㧗௵ࡣᩥᨻ 9㸦1826㸧ᖺ㸪┒ᒸ⸬ࡢ་ᖌࡢ
ࡶ࡜࡟⏕ࡲࢀ㸪ᗂྡࡣᩥ἞㸪ࡑࡢᚋ㸪࿘⚞࡜ྡ஌ࡿ㸬ᚋ࡟㑏಑ࡋ᝷ᕥ⾨㛛㸪᫂἞࡟ࡣᨵྡࡋ㧗௵࡜࡞ࡿ㸦ᮏ✏࡛ࡣ㧗௵࡛⤫୍ࡍࡿ㸧㸬Ụᡞࡸ㛗ᓮ࡛⹒
Ꮫࢆࡣࡌࡵすὒࡢරἲ㸪◙⾡㸪᥇㖔㸪෬㔠ࢆ⩦ᚓࡋ࡚࠸ࡿ㸬㑏಑ࡋ᝷ᕥ⾨㛛ࢆྡ஌ࡿ㸬㔩▼࡛ࡢ㧗
⅔ᘓタᡂຌᚋࡣ㸪຺ᐃዊ⾜୪࡜ࡋ࡚┒ᒸ⸬ࡢ⏘ᴗ⫱ᡂ࡟ᑾຊࡍࡿ㸬᫂἞⥔᪂ᚋ㸪ᒾ಴౑⠇ᅋ࡟ཧຍࡋ㸪Ḣ⡿ࡢ㏆௦໬ࡉࢀࡓ㖔ᕤᴗࢆどᐹ㸪ᖐᅜᚋࡣᑠᆏ㖟ᒣࡸబΏ㔠ᒣ࡞࡝ࡢ㏆௦໬࡟ᑾຊࡋ࡚኱ࡁ
࡞ຌ⦼ࢆṧࡋࡓ㸬ࡲࡓ㸪ேᮦ⫱ᡂࡢ㔜せᛶࢆㄝ࠸࡚࠸ࡓ኱ᓥࡣ㸪┒ᒸᇛୗ࡟ᮏ᱁ⓗ࡞ὒᏛᰯ࡛࠶ࡿ
⚾Ꮫࠕ᪥᪂ᇽࠖ㸪ภ㤋࡟Ṋ⏣ᩫ୕㑻 ஬⛸㒌ࡢタィ⪅࡜ࡋ࡚᭷ྡ ࡜ඹ࡟ࠕᆙᖌᏛᰯࠖࢆタ❧ࡋ࡚࠸ࡿ㸬ࡲࡓ㸪᫂἞ 3㸦1870㸧ᖺ㸪Ẹ㒊኱㍜኱ᮌႛ௵࡟㖔ᒣᑓ㛛ࡢᏛᰯ࡛࠶ࡿࠕᆙᏛᑅࠖࡢ๰タࢆᘓⓑࡋ㸪ᕤ⛉኱Ꮫ㸦⌧ᮾி኱ᏛᕤᏛ㒊ࡢ๓㌟㸧タ⨨ࡢࡁࡗ࠿ࡅࡢ୍ࡘ࡜࡞ࡗ࡚࠸ࡿ㸬ᬌᖺࡣࣈࢻ࢘᱂ᇵࡸ࣡
࢖ࣥ㔊㐀㸪࠾Ⲕࡢ᱂ᇵࡶᡭ᥃ࡅ㸪᫂἞ 34㸦1901㸧
ᖺ࡟ 76 ṓ࡛ࡑࡢ⏕ᾭࢆ㛢ࡌ࡚࠸ࡿ[1] [2]㸬ὀ2ᶫ㔝㕲㖔ᒣ࢖ࣥࣇ࢛࣓࣮ࢩࣙࣥࢭࣥࢱ࣮ࡣᶫ㔝⏫➨ 2 ᆅ๭ᶫ㔝㕲㖔ᒣ㧗⅔ሙࡢ 300m ໭ഃ࡟ᡤᅾ
ࡍࡿ㸬ୡ⏺㑇⏘Ⓩ㘓┤๓ࡢᖹᡂ 25㸦2013㸧ᖺ࡟㛤᫂἞ᮇ࡟ࡣ㸪㧗⅔⇕ࡢᚠ⎔࠾ࡼࡧ⵨Ẽᶵ㛵࡟ࡼࡿ⇕㢼⅔ࡀᑟධࡉࢀࡓ㸬ᐁႠࡢ㧗⅔࡟࠾࠸࡚ࡣ㸪ᙜ᫬㸪᭱᪂ࡢ㕲〇ࡢ┤❧༢⟄ࡢ㏦㢼ᶵ࡜⵳⇕ᘧࡢ⇕㢼⅔㸦࣍࢖ࢵࢺ࢙࢘ࣝᘧ㸧ࢆ᥇⏝ࡋ࡚࠸ࡿ㸬୍᪉㸪ᐁႠࢆཷࡅ⥅࠸ࡔ⏣୰〇㚩ᡤ࡛ࡣᙜึ㸪タഛ㈨㔠ࡢ㛵ಀ࡛ᮌ〇ᶓᆺ㏦㢼ᶵ࡜㕲⟶ᘧ㸦ᶓ⮩㕲⟶⇕㢼⅔㸧ࢆ᥇⏝ࡋ࡚࠸ࡿ㸬ࡇࡢᢏ⾡ࡣ⩌㤿┴ࡢ୰ᑠᆏ㕲ᒣࡢᢏ⾡ࢆᑟධࡋࡓࡶࡢ࡛㸪୰ᑠᆏ㖔ᒣ࡛ࡢ㧗⅔᧯ᴗ⤒㦂ࢆᣢࡘ⛅ඖගឡࢆᣍ⪸ࡋ࡚࠸ࡿࡀ
ኻᩋࡋ࡚࠸ࡿ㸬49 ᅇ┠ࡢᡂຌᚋࡶᇶᮏࡣࡇࡢᆺᘧ
ࢆ᥇⏝ࡋࡓࡀ㸪ᮌ〇㏦㢼ᶵࡣ✵Ẽࡢ₃ࢀࡀ⃭ࡋࡃ㸪⇕㢼⅔ࡶ༑ศ࡞ ᗘࢆಖࡘࡇ࡜ࡀ࡛ࡁ࡞࠿ࡗࡓ㸬ࡑࢀ࡟ᑐࡋ࡚㸪⏣୰〇㚩ᡤ࡛ࡣ㕲⟶ࢆఙࡤࡋ㸪ᮏᩘࢆቑࡸࡍࡇ࡜࡛ఏ⇕㠃✚ࢆᗈࡆࡿᨵⰋࢆ⧞ࡾ㏉ࡋࡓࡀୖᡭࡃ࠸࠿ࡎ㸪᭱⤊ⓗ࡟ࡣ㏦㢼ᶵࢆ㕲〇࡟㸪⇕㢼⅔ࡣ┤❧㕲⟶࡟ᨵ㐀ࡍࡿࡇ࡜࡟ࡼࡾၥ㢟ࡀゎᾘࡉࢀ㸪᫂἞ 27㸦1894㸧ᖺ࡟ࡣ⵳⇕ᘧ⇕㢼⅔ࡶᑟ
ධࡉࢀ࡚㸪㡰ḟ㸪ྛ㧗⅔ࡶ⵳⇕ᘧ࡜࡞ࡗࡓ㸬ྜࢃࡏ࡚㸪ືຊࡶỈ㌴࠿ࡽ⵨Ẽᶵ㛵࡟᭰࠼ࡽࢀ㸪Ỉ㔞ࡢ☜ಖ࡛ࡁࡿ኱ᶫ࡛ࡣ᫂἞ 38㸦1905㸧ᖺࡲ࡛Ỉ㌴ࡢࡲࡲ࡛࠶ࡗࡓࡀ㸪㕥Ꮚࡸᰩᶫ࡛ࡣ᫂἞ 28㸦1895㸧
ᖺࡲ࡛࡟ࡣ⵨Ẽᶵ㛵࡜࡞ࡗࡓ[4]㸬 ⇞ᩱ㸦㑏ඖ๣㸧࡟ࡘ࠸࡚ࡣ㸪ࡓࡓࡽ〇㕲௨᮶㸪ᮌⅣࢆ౑⏝ࡋ࡚࠸ࡓ㸬ࠕ◁㕲୐㔛㸪ᮌⅣ୕㔛ࠖ࡜ゝࢃࢀࡿ㐠ᦙ㊥㞳ࡢ┠Ᏻࢆඖ࡟⇞ᩱ⋓ᚓ࡟୺║ࢆ⨨࠸ࡓᕤሙ❧ᆅ࡜࡞ࡗ࡚࠾ࡾ㸪኱ᶫ㕲㖔ᒣࡸᶫ㔝㕲㖔ᒣࡣ㕲㖔▼᥇᥀ሙ࠿ࡽ 3km ࡯࡝ࡢࡸࡸᗈ࠸Ἑ
ᓊẁୣୖ࡟❧ᆅࡋ㸪࿘㎶࡟ࡣᮌⅣ౪⤥ῶ࡜࡞ࡿ㇏
ᐩ࡞᳃ᯘࡀᗈࡀࡗ࡚࠸ࡿ㸬୍᪉㸪㏆௦໬࡟క࠸ᾏ㐠㔜どࡢ⮫ᾏ❧ᆅ࡟ࡣ࡞ࡿࡶࡢࡢ㸪ᐁႠ㔩▼〇㕲ᡤࡣᮌⅣ౪⤥ᆅ࡜ࡢ఩⨨㛵ಀࡶᛕ㢌࡟⨨࠸ࡓᕤሙ❧ᆅ࡜࡞ࡗ࡚࠾ࡾ㸪⣙ 9km 㞳ࢀࡓᑠᕝ࡟〇Ⅳᡤࢆタ⨨ࡋ㸪㐠ᦙ⏝࡟㕲㐨ࡶᩜタࡋ࡚࠸ࡿ㸬ṧᛕ࡞ࡀࡽ㸪ᙜึ㸪ࢥ࣮ࢡࢫࡣᛕ㢌࡟࡞ࡃ㸪ᑠᕝ〇Ⅳᡤࡢ
ⅆ⅏࡟క࠸㸪ᛴ㑉ࢥ࣮ࢡࢫ❔㸦ࣅ࣮ࣁ࢖ࣈᘧ㸧ࢆタ⨨ࡋ㸪୕ụ࠿ࡽ▼Ⅳࢆ㐠ࡪࡇ࡜࡜࡞ࡗࡓ㸬୍᪉㸪ඵᖭ〇㚩ᡤࡣ࿋࡞࡝ከࡃࡢೃ⿵ࡀୖࡀࡿ୰㸪▼Ⅳ౪⤥ᆅ㸦⟃㇏Ⅳ⏣㸧࡟㞄᥋ࡋ࡚࠸ࡿࡇ࡜࡛ࡑࡢ❧ᆅࡀỴᐃ࡟⮳ࡗ࡚࠸ࡿ㸬ࡇࡢࡼ࠺࡟❧ᆅ㑅ᐃࡢୖ࡛⇞ᩱࡢ౪⤥ࡀ୺せ࡞せᅉ࡜࡞ࡗ࡚࠸ࡿ[3] [5]㸬㸲㸬࠾ࢃࡾ࡟
ᖥᮎ࠿ࡽ᫂἞ᮇ࡟࠾ࡅࡿ㏆௦〇㕲ࡢⓎ⚈࠿ࡽ㐩ᡂࡲ࡛ࡢ㐨ࡢࡾࢆ⤂௓ࡋ࡚ࡁࡓࡀ㸪ᙜ᫬ࡢᨻᒁࡸ

ఏ⇕ 2021 ᖺ 10 ᭶

- 54 -J. HTSJ, Vol. 60, No. 253

ࣄࢫࢺ࣮ࣜ㹏ࢀࡿஂᏊἑ㸦ࡦࡉࡈࡉࢃ㸧࡟ᅉࡳ㸪࿘㎶ࡢᒣࢆ⎭ᒣ㸦ࡦࡉࡈࡸࡲ㸧࡜࿧⛠ࡋࡓࡶࡢ࡜⪃࠼ࡽࢀࡿ
>ᮏ✏࡟ࡘ࠸࡚@ ⇕ࡢ⛉Ꮫᢏ⾡ྐ◊✲఍࡛ࡣ౛ᖺ
ࡢ᪥ᮏఏ⇕ࢩ࣏ࣥࢪ࣒࢘࡟࠾࠸࡚࣮࢜࢞ࢼ࢖ࢬࢻ
ࢭࢵࢩࣙࣥ㸦OS㸧ࠕே࡜⇕࡜ࡢ㛵ࢃࡾࡢ㊊㊧ࠖࢆ௻⏬ࡋ࡚࠸ࡿࡀ㸪2021 ᖺࡢఏ⇕ࢩ࣏ࣥࢪ࣒࢘ࡀ㒆ᒣ࡛㛤ദࡉࢀࡿ࡟࠶ࡓࡾ㸪㏆௦᪥ᮏࡢጞື࡟኱ࡁ
࡞ᙺ๭ࢆᯝࡓࡋࡓᒾᡭ┴㔩▼ᕷࡢ〇㕲஦ᴗ࡟↔Ⅼࢆᙜ࡚ࡿࡇ࡜࡜ࡋࡓ㸬ࡑࡢࡓࡵ㸪㔩▼ᕷࢆ⤒⏤ࡋ࡚ྠᕷୡ⏺㑇⏘ㄢࡢ᳃୍ḯẶ࡟ࡈㅮ₇ࢆ౫㢗ࡋࡓ࡜ࡇࢁࡈᛌㅙࢆ㡬ࡁ㸪࠿ࡘ㛤ദᙜ᪥ࡢ OS ࡟࠾࠸࡚ࡣ୺᪨࡟ἢࡗࡓࡈㅮ₇ࢆ㡬࠸ࡓࡇ࡜࡟ᚰ࠿ࡽឤ
ㅰࡋࡓ࠸㸬ᮏ✏ࡣ㸪ࡇࡢ᫬ࡢࡈㅮ₇ෆᐜ࡟ຍ➹ࡋ࡚㡬࠸ࡓࡶࡢࢆ㸪ᙜヱ OS ࢆ㐠Ⴀࡋࡓᫍᮁ㸦ᮾ໭Ꮫ㝔኱Ꮫ㸧࡜Ἑᮧὒ㸦ᮾி⌮⛉኱Ꮫ㸧ࡀ⦅㞟ࡋࡓࡶࡢ࡛࠶ࡿ㸬 ⇕ࡢ⛉Ꮫᢏ⾡ྐ◊✲఍ 
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[1] 㕲㒔㔩▼ ᪥ᮏ㏆௦〇㕲ࡢኪ᫂ࡅ㸪2016㸪㔩▼ᕷⓎ⾜㸬[2] 㔩▼ᕷ❧㕲ࡢṔྐ㤋 GUIDE BOOK㸪2019㸪㔩▼ᕷⓎ⾜㸬[3] ኻᩋࡢ㚩Ꮫ㸪2020㸪㔩▼ᕷ❧㕲ࡢṔྐ㤋㸬[4] 㧗ᯇ஽㸪㔩▼⏣୰〇㕲ᡤᮌⅣ㧗⅔ࡢ㕲⟶⇕㢼
⅔㸪ᢏ⾡࡜ᩥ᫂ 6-1㸪1990㸪᪥ᮏ⏘ᴗᢏ⾡ྐᏛ఍㸬[5] ᑠ㔝ᑎⱥ㍤㸪ᐁႠ㔩▼〇㕲ᡤᗫᴗࡢ೔⌮ⓗ⪃ᐹ㸪᪥ᮏᶵᲔᏛ఍ㄽᩥ㞟㸦C ⦅㸧74-746㸪
2008㸪᪥ᮏᶵᲔᏛ఍㸬[6] 㕥ᮌබ㞝㸪㖹ࡢ⪃ྂᏛ㸪2002㸪ྜྷᕝᘯᩥ㤋㸬㤋ࡋ㸪ࠕ᫂἞᪥ᮏࡢ⏘ᴗ㠉࿨㑇⏘ࠖ࠾ࡼࡧᶫ㔝㕲㖔ᒣࡢᴫせࢆ⤂௓ࡍࡿ᪋タ࡜࡞ࡗ࡚࠸ࡿ㸬㔩▼ᕷ❧㕲ࡢṔྐ㤋ࡣ኱ᖹ⏫࡟ᡤᅾࡋ㸪᫛࿴ 60㸦1985㸧ᖺ࡟㛤㤋ࡋࡓ㸬኱ᓥ㧗௵ࡢ㢧ᙲ࠾ࡼࡧ㔩▼〇㕲ᡤࡢṔྐࢆ⤂௓ࡍࡿ᪋タ࡛㸪኱ᓥᐙᩥ᭩࠾ࡼࡧ㔩▼〇㕲ᡤ㈨ᩱࢆᡤⶶࡋ࡚࠸ࡿ㸬ὀ 3Ụᡞ᫬௦ࡢ㖹㈌ࡣᇶᮏⓗ࡟ࡣ㖡〇࡛ࠕᐶỌ㏻ᐆࠖ
ࡶ୺࡟㖡࡛㗪㐀ࡉࢀ࡚࠸ࡓࡀ㸪㖡ࡢ୙㊊࡟ࡼࡾ┿㘷ࡸ㕲࡛ࡶ㗪㐀ࡉࢀࡿࡼ࠺࡟࡞ࡗࡓ㸬㕲㖹ࡢ᭱ึࡣඖᩥ 4㸦1739㸧ᖺ࡛࠶ࡿ[6]㸬௝ྎ⸬ࡢ▼ᕳ㗪㖹ሙ࡛ࡣ㸪᫂࿴ 5㸦1768㸧ᖺࡼࡾ㕲㖹ࡢ㗪㐀ࢆ㛤ጞࡋ࡚࠸ࡿ㸬┒ᒸ⸬࡛ࡣ㧗⅔ᡂຌᚋࡍࡄ࡟㖹ᗙᘓタࢆᖥᗓ࡟⏦ㄳࡋ࡚࠸ࡿ㸬ࡋ࠿ࡋ㸪チྍࡀୗࡾ࡞࠿
ࡗࡓࡓࡵ▼ᕳ㗪㖹ሙ࡟౪⤥ࢆồࡵࡿࡶ㸪௝ྎ⸬࡛ࡶᩥஂᒣ㧗⅔㸦⌧୍㛵ᕷ኱ᮾ⏫㸧࡞࡝ࡀᘓタࡉࢀ
ࡓࡓࡵ 3 ᖺ㛫࡛౪⤥ࡀ㏵⤯࠼ࡓ㸬
ὀ 4ኻᩋࡢせᅉ࡟ࡘ࠸࡚ࡣ㸪㕲㖔▼ࡢḞஈࡸᮌⅣࡢ
୙㊊㸪እᅜࡢᢏ⾡࡟⫋ᕤࡀࡘ࠸࡚⾜ࡅ࡞࠿ࡗࡓ࡞
࡝ከࡃࡢㄝࡀ࠶ࡿ[3][5] ࡀ㸪᫂἞ 10ᖺ௦ࡣ㸪ᨻᗓ஦ᴗࡢᣑ኱ࡸす༡ᡓத࡞࡝࡟ࡼࡿᕧ㢠ࡢᡓ㈝࡟
ࡼࡾ㸪㈈ᨻ༴ᶵ࡟ぢ⯙ࢃࢀ࡚࠸ࡓ㸬ࡇࡢ᫬㸪኱㝰㔜ಙ࡟௦ࢃࡾ኱ⶶཀ࡜࡞ࡗࡓᯇ᪉ṇ⩏ࡣ㸪㉥Ꮠゎᾘ⟇࡜ࡋ࡚᫂἞ 15㸦1882㸧ᖺ࡟ᐁႠᕤሙᡶୗᴫ๎
ࢆ᪋⾜㸪ࡇࢀ࡟ᇶ࡙ࡁ㸪㔩▼㖔ᒣࡶᡶ࠸ୗࡆࡽࢀ
ࡿࡇ࡜࡜࡞ࡗࡓ㸬ὀ 5኱ᶫ୍␒㧗⅔ࡢᅗ࡜⪃࠼ࡽࢀࡿ㸬኱ᶫ㧗⅔ࢆὶ

ఏ⇕ 2021 ᖺ 10 ᭶

- 55 -J. HTSJ, Vol. 60, No. 253

⾜஦࢝ࣞࣥࢲ࣮
ᮏ఍୺ദ⾜஦
㛤ദ᪥
2021 ᖺ
10 ᭶
3(᪥)
ࠥ
7(ᮌ)
11 ᭶

26(㔠)

⾜஦ྡ

⏦㎸⥾ษ

ㅮ⩦఍ࠕィ ᢏ⾡ 㹼ィᛂ⏝㹼ࠖ

2022 ᖺ
3᭶ၥྜඛᐃࡢᇶ♏࡜タඛ╔ 40 ྡ⏦㎸⥾ษබ┈♫ᅋἲே᪥ᮏఏ⇕Ꮫ఍E-mail: office@htsj.or.jp
03-3259-7919

ཎ✏⥾ษ

ၥྜඛ

ᥖ㍕ྕ

㸦බ♫㸧᪥ᮏ࢞ࢫࢱ࣮ࣅࣥᏛ఍
E-mail: gtsj-office@gtsj.org᪥ᮏ⇕≀ᛶᏛ఍ ஦ົᒁ
jstp@okayama-u.ac.jpᇼ㒊᫂ᙪ㸦௦⌮㸧ᒣ⏣ᐶ㸦୍♫㸧᪥ᮏᶵᲔᏛ఍㛵すᨭ㒊
Tel:06-6443-2073
E-mail: info@kansai.jsme.or.jp᪂₲኱Ꮫ་Ꮫ㒊ಖ೺Ꮫ⛉ෆ ᪥ᮏᐇ㦂ຊᏛ఍஦ົᒁ ᢸᙜ㸸ᑠᯘ TEL: 025-368-9310/FAX: 025368-9309 E-mail: office-jsem@clg.niigata-u.ac.jp㸦୍♫㸧᪥ᮏᶵᲔᏛ఍⥲ྜ௻⏬ G᳃ᮏ࠶࠿ࡡ morimoto@jsme.or.jp㸦୍♫㸧᪥ᮏᶵᲔᏛ఍࣐࢖ࢡ࣭ࣟࢼࣀᕤᏛ㒊㛛ᢸᙜ ኱㏻༓ᬕ
daitsu@jsme.or.jp㸦୍♫㸧᪥ᮏᶵᲔᏛ఍㛵ᮾᨭ㒊
Tel:03-5360-3508
E-mail: kt-staff@jsme.or.jp㸦୍♫㸧᪥ᮏᶵᲔᏛ఍㛵すᨭ㒊
Tel:06-6443-2073
E-mail: info@kansai.jsme.or.jp

17(Ỉ)
ࠥ
18(ᮌ)
19(㔠)

᪥ᮏᶵᲔᏛ఍㛵すᨭ㒊➨ 376 ᅇㅮ⩦఍ᐇົ⪅ࡢࡓࡵࡢὶయゎᯒᢏ⾡ࡢᇶ♏࡜ᛂ⏝⬺Ⅳ⣲♫఍ᐇ⌧࡟ྥࡅࡓ෌࢚ࢿ฼⏝ࢩࢫࢸ࣒ࡢ◊✲㛤Ⓨ࡟㛵ࡍࡿㅮ₇఍

22(᭶)
ࠥ
24(Ỉ)
4(ᅵ)

➨ 59 ᅇ⇞↝ࢩ࣏ࣥࢪ࣒࢘

㸦୍♫㸧᪥ᮏ⇞↝Ꮫ఍
office@combustionsociety.jp

21-52 ➨ 23 ᅇࢫࢱ࣮ࣜࣥࢢࢧ࢖ࢡࣝ
ࢩ࣏ࣥࢪ࣒࢘

9(ᮌ)

2021 ᖺᗘィ⟬ຊᏛᢏ⾡⪅㸦CAE ᢏ⾡⪅㸧㈨᱁ㄆᐃ஦ᴗ

㸦୍♫㸧᪥ᮏᶵᲔᏛ఍࢚ࣥࢪࣥࢩࢫࢸ࣒㒊㛛஦ົᢸᙜ ኱➉ⱥ㞝otake@jsme.or.jp㸦୍♫㸧᪥ᮏᶵᲔᏛ఍஦ᴗ௻⏬ࢢ࣮ࣝࣉ 㔠Ꮚcaenintei@jsme.or.jp

14(ⅆ)
ࠥ
16(ᮌ)
16(ᮌ)
ࠥ
17(㔠)

➨ 33 ᅇᩘ್ὶయຊᏛࢩ࣏ࣥࢪ࣒࢘

㸦୍♫㸧᪥ᮏὶయຊᏛ఍
03-3714-0427/FAX: 03-3714-0434
E-mail: info@nagare.or.jp➨ 30 ᅇᚤ⢏໬ࢩ࣏ࣥࢪ࣒࢘

᪥ᮏᾮయᚤ⢏໬Ꮫ఍஦ົᒁ
㸦ᰴ㸧Ꮫ⾡ฟ∧༳ๅ ᢸᙜ㸸㏆⸨ ᭸Ꮚ
Tel. 06-6466-1588/Fax. 06-6463-2522
E-mail: information_atmz@ilass-japan.gr.jp

15(ⅆ)
ࠥ
17(ᮌ)

The 7th International Conference on Jets,
Wakes and Separated Flows (ICJWSF2022)

19(ᅵ)
ࠥ
21(᭶)

32st International Symposium on
Transport Phenomena (ISTP32)ICJWSF-2022 ⤌⧊ጤဨ఍ ㆟㛗㸸ᮌᮧඖ᫛᪥ᮏ኱Ꮫ⌮ᕤᏛ㒊ᶵᲔᕤᏛ⛉ᩍᤵ㟁ヰ㸸03-3259-0750㸭FAX㸸03-3293-8254
E-mail㸸kimura.motoaki@nihon-u.ac.jp
ISTP32 ᐇ⾜ጤဨ఍ጤဨ㛗Ᏹ㧗⩏㑻utaka@ynu.ac.jp

ఏ⇕ 2021 ᖺ 10 ᭶

ᥖ㍕ྕ

ACTS2020 ᐇ⾜ጤဨ఍
secretary@acts2020jp.org

࢔ࢪ࢔⇕⛉Ꮫ఍㆟
㸦2nd ACTS㸧ᮏ఍ඹദ㸪༠㈶㸪ᚋ᥼⾜஦㛤ദ᪥⾜஦ྡ2021 ᖺ
10 ᭶13(Ỉ)➨ 48 ᅇ᪥ᮏ࢞ࢫࢱ࣮ࣅࣥᏛ఍ᐃᮇㅮ
ࠥ
₇఍
14(ᮌ)
25(᭶)
➨ 42 ᅇ᪥ᮏ⇕≀ᛶࢩ࣏ࣥࢪ࣒࢘
ࠥ
27(Ỉ)
27(Ỉ)
᪥ᮏᶵᲔᏛ఍㛵すᨭ㒊➨ 375 ᅇㅮ⩦఍ࠥᛂຊィ ࡢᇶ♏࡜ࡑࡢᛂ⏝28(ᮌ)
The 16th International Symposium on
11 ᭶
3(Ỉ)
Advanced Science and Technology
ࠥin Experimental Mechanics
6(ᅵ)
6(ᅵ)
No.21-89 ≉ูㅮ⩦఍ࠕ㒊㛛 30 ࿘ᖺグᛕㅮ₇఍ࠕEnergy systems for the next
decadeࠖࠖ9(ⅆ)➨ 12 ᅇ࣐࢖ࢡ࣭ࣟࢼࣀᕤᏛࢩ࣏ࣥࢪ
ࠥ
࣒࢘
11(ᮌ)
13(ᅵ)
᪥ᮏᶵᲔᏛ఍㛵ᮾᨭ㒊ᒣ᲍ㅮ₇఍

12 ᭶

ཎ✏⥾ษ

୕㔜኱Ꮫ኱Ꮫ㝔ᕤᏛ◊✲⛉ᶵᲔᕤᏛᑓᨷすᮧ 㢧 E-mail: nisimura@mach.mie-u.ac.jp- 57 -J. HTSJ, Vol. 60, No. 253

࠾▱ࡽࡏ➨59ᅇ ᪥ᮏఏ⇕ࢩ࣏ࣥࢪ࣒࢘◊✲Ⓨ⾲ㄽᩥເ㞟
➨59ᅇ ᪥ᮏఏ⇕ࢩ࣏ࣥࢪ࣒࢘ᐇ⾜ጤဨ఍ጤဨ㛗 ᯈ㇂ ⩏⣖ᖿ ஦ ᭹㒊 ༤ᩥ㛤ദ᪥㸸௧࿴4ᖺ 5᭶ 18᪥㸦Ỉ㸧㹼 5᭶ 20᪥㸦㔠㸧఍ ሙ㸸㛗Ⰻᕝᅜ㝿఍㆟ሙ㸦http://www.g-ncc.jp㸧ဵ≧ἣ࡟ࡼࡗ࡚ࡣWeb㛤ദࡢྍ⬟ᛶࡀ࠶ࡾࡲࡍ㸬     ᡤᅾᆅ ࠛ502-0817 ᒱ㜧┴ᒱ㜧ᕷ࡞ࡀࡽ⚟ග2695-2 㟁ヰ␒ྕ 058-296-1200
࢔ࢡࢭࢫ ⮬ື㌴㸸ྡ⚄㧗㏿ᒱ㜧⩚ᓥIC࠿ࡽᒱ㜧⎔≧⥺⤒⏤࡛⣙40ศ        ᮾᾏ໭㝣⮬ື㌴㐨ᒱ㜧ྛົཎIC࠿ࡽᅜ㐨21ྕ㸪ᒱ㜧ᕷ⾤⤒⏤࡛⣙40ศ 㸦㥔㌴ሙࡣ᭷ᩱ࡛ࡍ㸧     ࣂࢫ㸸ᒱ㜧㥐ࣂࢫࢱ࣮࣑ࢼࣝࡼࡾ⣙ 20 ศ㸩ᚐṌ ⣙ 2 ศᒱ㜧ࣂࢫࠕᕷෆ࣮ࣝࣉ⥺࡛ࠖ㛗Ⰻᕝᅜ㝿఍㆟ሙ໭ཱྀୗ㌴            ࠕ୕⏣Ὕ⥺ K50࣭K55࡛ࠖ㛗Ⰻᕝᅜ㝿఍㆟ሙ๓ୗ㌴    㣕⾜ᶵ㸸୰㒊ᅜ㝿✵ 㸦ࢭࣥࢺࣞ࢔㸧࠿ࡽྡ㕲ᒱ㜧㥐㸦≉ᛴ66ศ㸧㸩ୖグࣂࢫ࡜ᚐṌ࡛⣙22ศ
ㅮ₇⏦㎸⥾ษ㸸௧࿴4ᖺ 1᭶ 14᪥㸦㔠㸧ㅮ₇ㄽᩥཎ✏ᥦฟ⥾ษ㸸௧࿴4ᖺ 3᭶ 4᪥㸦㔠㸧᪩ᮇཧຍ⏦㎸⥾ษ㸸௧࿴4ᖺ 4᭶ 1᪥㸦㔠㸧࣮࣒࣮࣍࣌ࢪURL㸸https://htsj-conf.org/symp2022/㸦‽ഛ୰㸧࠙ࢩ࣏ࣥࢪ࣒࢘ࡢᙧᘧࠚဵ≧ἣ࡟ࡼࡗ࡚ࡣWeb㛤ദࡢྍ⬟ᛶࡀ࠶ࡾࡲࡍ㸬x
ㅮ₇Ⓨ⾲ᙧᘧ࡜ࡋ࡚
  a) ㏻ᖖࡢ୍⯡ࢭࢵࢩࣙࣥ㸦ཱྀ㢌Ⓨ⾲㸧  b) ࣮࢜࢞ࢼ࢖ࢬࢻࢭࢵࢩࣙࣥ㸦ཱྀ㢌Ⓨ⾲㸧  c) Ꮫ⏕࠾ࡼࡧⱝᡭ◊✲⪅ࢆᑐ㇟࡜ࡍࡿඃ⚽ࣉࣞࢮࣥࢸ࣮ࢩࣙࣥ㈹ࢭࢵࢩࣙࣥࢆᐇ᪋ࡋࡲࡍ㸬x
ㅮ₇࠶ࡓࡾࡢ๭ᙜ᫬㛫ࡣ㸪୍⯡ࢭࢵࢩ࡛ࣙࣥࡣ15ศ㸦Ⓨ⾲10ศ㸪ಶูウㄽ5ศ㸧࡛㸪ྛࢭࢵࢩࣙࣥࡢ᭱
ᚋ࡟⥲ྜウㄽࡢ᫬㛫㸦5ศ × ࢭࢵࢩࣙࣥෆࡢㅮ₇௳ᩘ㸧ࢆタࡅࡿணᐃ࡛ࡍ㸬࣮࢜࢞ࢼ࢖ࢬࢻࢭࢵࢩࣙ
ࣥ࡟ࡘ࠸࡚ࡣ㸪࣮࢜࢞ࢼ࢖ࢨ࣮ࡢᣦ♧࡟ᚑࡗ࡚ୗࡉ࠸㸬xඃ⚽ࣉࣞࢮࣥࢸ࣮ࢩࣙࣥ㈹ࢭࢵࢩࣙࣥ࡟ࡘ࠸࡚ࡣ㸪ᮏྕᥖ㍕ࡢ࠾▱ࡽࡏࠕඃ⚽ࣉࣞࢮࣥࢸ࣮ࢩࣙࣥ㈹㸦➨59ᅇ ᪥ᮏఏ⇕ࢩ࣏ࣥࢪ࣒࢘㸧࡟ࡘ࠸࡚ࠖࢆࡈཧ↷ୗࡉ࠸㸬࠙ㅮ₇⏦㎸᪉ἲࠚ
x୍⯡ࢭࢵࢩࣙࣥ࡜ඃ⚽ࣉࣞࢮࣥࢸ࣮ࢩࣙࣥ㈹ࢭࢵࢩࣙࣥࡢㅮ₇⪅㸦Ⓩቭ⪅㸧ࡣ㸪᪥ᮏఏ⇕Ꮫ఍఍ဨ㸦Ꮫ⏕఍ဨ㸪㈶ຓ఍ဨ㸪≉ู㈶ຓ఍ဨࢆྵࡴ㸧࡟㝈ࡾࡲࡍ㸬ㅮ₇⪅ࡀ᪥ᮏఏ⇕Ꮫ఍఍ဨ࡛࡞࠸ሙྜࡣ㸪఍ဨ⏦㎸࡜఍㈝⣡௜ࢆ⾜ࡗ࡚ୗࡉ࠸㸬㸦࣮࢜࢞ࢼ࢖ࢬࢻࢭࢵࢩࣙࣥ࡟ࡘ࠸࡚ࡣ㸪ྛࢭࢵࢩࣙࣥເ㞟࡟ᚑࡗ࡚ୗࡉ࠸㸬㸧xཎ๎࡜ࡋ࡚࢙࢘ࣈ࡟ࡼࡿ⏦㎸ࡳ࡟㝈ࡽࡏ࡚㡬ࡁࡲࡍ㸬ᮏࢩ࣏ࣥࢪ࣒࡛࢘‽ഛࡍࡿ࢙࢘ࣈࢧ࢖ࢺ࠿ࡽᚲせ࡞ࢹ࣮ࢱࢆධຊࡋ࡚ୗࡉ࠸㸬࢙࢘ࣈ࡟ࡼࡿ⏦㎸ࡳࡀ࡛ࡁ࡞࠸ሙྜ࡟ࡣ㸪ᐇ⾜ጤဨ఍஦ົᒁ࡟࠾ၥ࠸ྜࢃ
ࡏୗࡉ࠸㸬x⏦㎸ࡳࡢ㝿࡟㸪୍⯡ࢭࢵࢩࣙࣥ㸪࣮࢜࢞ࢼ࢖ࢬࢻࢭࢵࢩࣙࣥ㸪ඃ⚽ࣉࣞࢮࣥࢸ࣮ࢩࣙࣥ㈹ࢭࢵࢩࣙࣥࡢ࠸ࡎࢀ࡛Ⓨ⾲ࡍࡿ࠿ࢆ㑅ᢥࡋ࡚ୗࡉ࠸㸬ඃ⚽ࣉࣞࢮࣥࢸ࣮ࢩࣙࣥ㈹ࢭࢵࢩࣙࣥ࡟࠾⏦㎸ࡳࡢሙྜ࡟ࡣ㸪ᮏྕᥖ㍕ࡢ࠾▱ࡽࡏࠕඃ⚽ࣉࣞࢮࣥࢸ࣮ࢩࣙࣥ㈹㸦➨59ᅇ ᪥ᮏఏ⇕ࢩ࣏ࣥࢪ࣒࢘㸧࡟ࡘ࠸࡚ࠖࢆࡈཧ
↷ୗࡉ࠸㸬xⓎ⾲⏦㎸ࡳ᫬࡟㸪ㄽᩥせ᪨㸦᪥ᮏㄒ࡛200㹼250Ꮠ㸧ࢆධຊࡋ࡚ୗࡉ࠸㸬ㅮ₇ㄽᩥ㞟ࡢᢒ㘓࡜ࡋ࡚⛉Ꮫᢏ⾡᣺⯆ᶵᵓ㸦JST㸧ࡢࢹ࣮ࢱ࣮࣋ࢫ࡟Ⓩ㘓ࡋࡲࡍ㸬x
ㅮ₇Ⓨ⾲⏦㎸ࡳࡣ㸪ㅮ₇⪅1ྡ࡟ࡘࡁ1㢟┠࡜ࡉࡏ࡚㡬ࡁࡲࡍ㸬ఏ⇕ 2021 ᖺ 10 ᭶

- 58 -J. HTSJ, Vol. 60, No. 253

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ㅮ₇ࡢ᥇ྰ࠾ࡼࡧࢭࢵࢩࣙࣥ࡬ࡢ᣺ศࡅࡣ㸪ᐇ⾜ጤဨ఍࡟ࡈ୍௵ୗࡉ࠸㸬

࠙ㅮ₇ㄽᩥ㞟㟁Ꮚ∧ࠚx
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࡬࠾⏦ࡋ㎸ࡳࡃࡔࡉ࠸㸧㸬x
ㅮ₇ㄽᩥࡲࡓࡣㅮ₇࢔ࣈࢫࢺࣛࢡࢺࡢ࠸ࡎࢀ࠿ࡢཎ✏ࢆᥦฟࡋ࡚㡬ࡁࡲࡍ㸬ㅮ₇ㄽᩥࡣA4ࢧ࢖ࢬ࡛2㹼
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ㅮ₇ㄽᩥཎ✏ࡣ㸪ཎ๎࡜ࡋ࡚PDFࣇ࢓࢖࡛ࣝᥦฟࡋ࡚㡬ࡁࡲࡍ㸬xཎ✏ᥦฟ⥾ษ᪥ࡲ࡛࡟ᥦฟࡉࢀ࡞࠿ࡗࡓㅮ₇ㄽᩥࡣ㸪ㅮ₇ㄽᩥ㞟㟁Ꮚ∧࠾ࡼࡧ࢙࢘ࣈ࡟ᥖ㍕ࡉࢀࡲࢇ㸬࠙ཧຍ㈝➼ࠚဵ≧ἣ࡟ࡼࡗ࡚ࡣWeb㛤ദࡢྍ⬟ᛶࡀ࠶ࡾࡲࡍ㸬xࢩ࣏ࣥࢪ࣒࢘ཧຍ㈝  ఍ဨ୍⯡㸦஦๓⏦㎸㸸12,000 ෇㸪ᙜ᪥⏦㎸㸸15,000 ෇㸧  㠀఍ဨ୍⯡㸦஦๓⏦㎸㸸15,000 ෇㸪ᙜ᪥⏦㎸㸸18,000 ෇㸧  ఍ဨᏛ⏕㸦஦๓⏦㎸㸸6,000 ෇㸪ᙜ᪥⏦㎸㸸7,000 ෇㸧  㠀఍ဨᏛ⏕㸦஦๓⏦㎸㸸7,000 ෇㸪ᙜ᪥⏦㎸㸸8,000 ෇㸧   ဵ≉ู㈶ຓ఍ဨࡣ1ཱྀ࡟ࡘࡁ3ྡ㸪㈶ຓ఍ဨࡣ1ཱྀ࡟ࡘࡁ1ྡ㸪ཧຍ㈝ࡀ↓ᩱ࡟࡞ࡾࡲࡍ㸬   ဵ఍ဨ࡜ࡣ㸪᪥ᮏఏ⇕Ꮫ఍఍ဨࡢ࡯࠿㸪ඹദ࣭༠㈶Ꮫ༠఍ࡢ఍ဨࢆྵࡳࡲࡍ㸬   ဵㅮ₇ㄽᩥ㞟㟁Ꮚ∧ࡣཧຍ⪅඲ဨ࡟㓄ᕸࡉࢀࡲࡍ㸬x
ㅮ₇ㄽᩥ㞟㟁Ꮚ∧  ㅮ₇ㄽᩥ㞟㟁Ꮚ∧ࡢࡳࡢ㈍኎㸸5,000 ෇㸦ࢩ࣏ࣥࢪ࣒࢘ᚋࡢ㈍኎࡟࡞ࡾࡲࡍ㸬㸧࠙ពぢ஺᥮఍ࠚဵ≧ἣ࡟ࡼࡗ࡚ࡣWeb㛤ദࡢྍ⬟ᛶࡀ࠶ࡾࡲࡍ㸬x㛤ദ᪥㸸௧࿴4ᖺ 5᭶ 19᪥㸦ᮌ㸧x఍ ሙ㸸㒔࣍ࢸࣝᒱ㜧㛗Ⰻᕝ㸦ࠛ502-0817 ᒱ㜧┴ᒱ㜧ᕷ㛗Ⰻ⚟ග2695-2㸧
ཧຍ㈝㸸ᮍᐃ
࠙ࡈὀពࠚx
ㅮ₇⏦㎸ࡳࡢྲྀᾘ࠾ࡼࡧㅮ₇ㄽᩥཎ✏ࡢᕪ᭰࠼ࡣ㸪ࢩ࣏ࣥࢪ࣒࢘ࡢ‽ഛ࡜㐠Ⴀ࡟ᨭ㞀ࢆࡁࡓࡋࡲࡍࡢ࡛
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ཧຍ㈝㸪ពぢ஺᥮఍㈝➼ࡣཧຍྲྀᾘࡋࡢሙྜ࡛ࡶ㏉㔠࠸ࡓࡋࡲࡏࢇ㸬xᮏࢩ࣏ࣥࢪ࣒࢘࡟㛵ࡍࡿ᭱᪂᝟ሗ࡟ࡘ࠸࡚ࡣ㸪㝶᫬᭦᪂ࡍࡿ࣮࣒࣮࣍࣌ࢪ࡛ࡈ☜ㄆୗࡉ࠸㸬࠙࠾ၥ࠸ྜࢃࡏඛࠚ  ➨59ᅇ ᪥ᮏఏ⇕ࢩ࣏ࣥࢪ࣒࢘ᐇ⾜ጤဨ఍஦ົᒁ  ᮾᾏᅜ❧኱Ꮫᶵᵓ ᒱ㜧኱Ꮫ ᕤᏛ㒊 ᶵᲔᕤᏛ⛉ ෆ ᯈ㇂ᐄ  E-mail㸸yitaya@gifu-u.ac.jp, Tel㸸058-293-2532, Fax㸸058-293-2532 or 2491

ఏ⇕ 2021 ᖺ 10 ᭶

- 59 -J. HTSJ, Vol. 60, No. 253

࠾▱ࡽࡏඃ⚽ࣉࣞࢮࣥࢸ࣮ࢩࣙࣥ㈹㸦➨ 59 ᅇ᪥ᮏఏ⇕ࢩ࣏ࣥࢪ࣒࢘㸧࡟ࡘ࠸࡚᪥ᮏఏ⇕Ꮫ఍ Ꮫ⏕఍ጤဨ఍ጤဨ㛗 ᑠᐑ ᩔᶞ

➨ 59 ᅇ᪥ᮏఏ⇕ࢩ࣏ࣥࢪ࣒࡛࢘ࡣ㸪ୗグࡢせ㡿࡛㸪ⱝᡭ◊✲⪅࠾ࡼࡧᏛ⏕ࢆᑐ㇟࡜ࡋࡓඃ⚽ࣉࣞࢮࣥࢸ࣮ࢩ
ࣙࣥ㈹ࢭࢵࢩࣙࣥࢆタࡅࡲࡍ㸬᪥㡭ࡢ◊㛑ࡢᡂᯝࢆᢨ㟢ࡍࡿࢳࣕࣥࢫ࡜ࡋ࡚㸪ዧࡗ࡚ࡈᛂເୗࡉ࠸㸬㛤ദ᪥㸸௧࿴ 4 ᖺ 5 ᭶ 18 ᪥㸦Ỉ㸧 ࢩ࣏ࣥࢪ࣒࢘➨ 1 ᪥Ⓨ ⾲ ᙧ ᘧ㸸Ⓨ⾲⪅ 1 ྡ࠶ࡓࡾ㸪Ⓨ⾲ෆᐜࢆࡲ࡜ࡵࡓ 1 ᯛࡢ࢔ࣆ࣮ࣝࢫࣛ࢖ࢻᥦฟ࡜࣏ࢫࢱ࣮ࣉࣞࢮࣥ
ࢸ࣮ࢩࣙࣥࢆ⾜࠺ᙧᘧࢆ࡜ࡿணᐃ࡛ࡍ㸬࢔ࣆ࣮ࣝࢫࣛ࢖ࢻࡣ෉Ꮚయ࡜ࡋ࡚㓄ᕸࡉࢀࡿ࡜࡜
ࡶ࡟ࢫࣛ࢖ࢻࢩ࣮ࣙ࡜ࡋ࡚఍ሙ࡟࡚᱌ෆࡉࢀࡿணᐃ࡛ࡍ㸬࡞࠾㸪ఏ⇕ࢩ࣏ࣥࢪ࣒࢘ࡢ㛤ദ≧ἣ࡟ࡼࡾ㸪ඃ⚽ࣉࣞࢮࣥࢸ࣮ࢩࣙࣥ㈹ࢭࢵࢩࣙࣥࢆ࢜ࣥ
ࣛ࢖ࣥ࡟࡚㛤ദࡍࡿሙྜࡀ࠶ࡾࡲࡍ㸬Ⓨ⾲ᙧᘧࡢヲ⣽࡟ࡘ࠸࡚ࡣỴᐃࡋḟ➨㸪ࢩ࣏ࣥࢪ࢘
࣒ࡢ࣮࣒࣮࣍࣌ࢪ࡟ᥖ㍕࠸ࡓࡋࡲࡍ㸬ᑐ㇟㸸௻ᴗ࣭኱Ꮫ࣭◊✲ᶵ㛵➼ࡢᢏ⾡⪅࣭◊✲⪅࡛㸪௧࿴ 4 ᖺ 3 ᭶ 31 ᪥⌧ᅾ࡛ 28 ṓ௨ୗࡢ᪉㸪ࡲࡓࡣ㸪⏦㎸ᙜ᪥࡟Ꮫ⏕࡛࠶ࡿ᪉㸬ᛂ ເ ㈨ ᱁㸸Ⓨ⾲⪅ࡣ᪥ᮏఏ⇕Ꮫ఍ࡢ఍ဨ㸦ṇဨ࣭Ꮫ⏕ဨ㸧࡟㝈ࡾࡲࡍ㸬Ⓨ⾲⪅ࡀ᪥ᮏఏ⇕Ꮫ఍఍ဨ࡛
࡞࠸ሙྜࡣ㸪ㅮ₇ㄽᩥཎ✏ᥦฟࡲ࡛࡟㸪఍ဨ⏦ࡋ㎸ࡳࢆ⾜ࡗ࡚ࡃࡔࡉ࠸㸬࡞࠾㸪ᮏࢭࢵࢩ
࡛ࣙࣥⓎ⾲ࡍࡿ᪉ࡣ㸪ᛂເ㈨᱁ࢆᚲࡎ‶ࡓࡍᚲせࡀ࠶ࡾࡲࡍ㸬ࡲࡓ㸪㐣ཤ࡟ᮏ㈹ࢆཷ㈹ࡉ
ࢀࡓ᪉ࡣᛂເࡍࡿࡇ࡜ࡣ࡛ࡁࡲࡏࢇ㸬ᛂ ເ ௳ ᩘ㸸኱Ꮫ࡟ᡤᒓࡍࡿᏛ⏕ࡢሙྜ㸸ᣦᑟᩍဨ࠶ࡓࡾ 1 ྡ㸦1 ௳㸧኱Ꮫ௨እࡢ◊✲ᶵ㛵㸪௻ᴗ࡟ᡤᒓࡍࡿሙྜ㸸◊✲ࢢ࣮ࣝࣉ࠶ࡓࡾ 1 ྡ㸦1 ௳㸧࡜ࡋࡲࡍ㸬ᛂ ເ ᪉ ἲ㸸➨ 59 ᅇ᪥ᮏఏ⇕ࢩ࣏ࣥࢪ࣒࢘Ⓨ⾲⏦㎸᫬࡟㸪ᮏㄅᥖ㍕ࡢㅮ₇⏦㎸᪉ἲ࡟ᚑࡗ࡚㸪͆ඃ⚽ࣉࣞࢮࣥࢸ࣮ࢩࣙࣥ㈹͇ࢆ㑅ᢥࡋ㸪͆ᣦᑟᩍဨࡲࡓࡣ◊✲ࢢ࣮ࣝࣉ㛗➼͇ࢆධຊࡋ࡚ࡃࡔࡉ࠸㸬࡞࠾㸪ㅮ₇ㄽᩥཎ✏ࡢᵝᘧ࡟ࡘ࠸࡚ࡣ୍⯡ࢭࢵࢩࣙࣥ࡜ྠᵝࡢࡶࡢ࡜ࡋࡲࡍ㸬ᑂᰝ࣭㑅⪃᪉ἲ㸸」ᩘྡࡢᑂᰝဨ࡟ࡼࡿホ౯࡟ᇶ࡙࠸࡚㑅⪃ࡋ㸪ཷ㈹⪅ࢆỴᐃࡋࡲࡍ㸬⾲ᙲ㸸ཷ㈹⪅ࡣࢩ࣏ࣥࢪ࣒࢘➨ 2 ᪥ࡢᏛ఍⥲఍࡛⾲ᙲࡉࢀࡲࡍ㸬ఏ⇕ 2021 ᖺ 10 ᭶

- 60 -J. HTSJ, Vol. 60, No. 253

࠾▱ࡽࡏ

ࠕィ

᪥ᮏఏ⇕Ꮫ఍୺ദ࢜ࣥࣛ࢖ࣥㅮ⩦఍ᢏ⾡ࠥ ᐃࡢᇶ♏࡜タィᛂ⏝ࠥࠖཷㅮ⪅ເ㞟ࡢࡈ᱌ෆ

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㛤ദ᪉ἲ  ࢜ࣥࣛ࢖ࣥ㸦Webex ࢆணᐃ㸧せ᪨ ࠗィ ᢏ⾡࠘ࢆᇶ♏࠿ࡽᏛࡪᚲせࡀ࠶ࡿ᪉ࡸ㸪ᐇタィ࡟࠾ࡅࡿィ ᢏ⾡ࡢ᭱᪂ᢏ⾡ࢆᏛࡧࡓ࠸᪉ࢆᑐ
㇟࡟㸪ィ ศ㔝࡛ⴭྡ࡞᪉ࠎ࡜ࢹ࢕ࢫ࢝ࢵࢩࣙࣥࢆࡍࡿࡇ࡜࡛ࡼࡾᗈ࠸▱ぢࢆᚓࡽࢀࡿ࢜ࣥࣛ࢖ࣥㅮ⩦఍ࢆ㛤ദࡍࡿ㐠ࡧ࡜࡞ࡾࡲࡋࡓ㸬᫖ᖺ㛤ദࡋࡈዲホ㡬࠸ࡓࠗィ ᢏ⾡࠘࡟ࡘ࠸࡚㸪ᮏᖺࡣィ ᢏ⾡ࡢᇶ♏࡜࡞ࡿྛ✀ࢭࣥࢧ࣮࠾ࡼࡧ㸪ከࡃࡢሙ㠃࡛㟂せࡀ㧗ࡲࡗ࡚࠸ࡿ㠀᥋ゐィ ᢏ⾡㸪ࡉࡽ࡟ᐇタィ࡬ࡢᛂ⏝ࡢࡓࡵࡢィᢏ⾡࡟㛵ࡍࡿᑓ㛛ᐙࢆㅮᖌ㝕࡟࠾ᣍࡁࡋ㸪ィ ࡢᇶ♏࠿ࡽᛂ⏝ࡲ࡛ᖜᗈࡃࡈㅮ₇㡬ࡁࡲࡍ㸬ᮏㅮ⩦఍࡛ࡣ㸪
ㅮ₇⪅࡜⫈ㅮ⪅ࡀ୍య࡜࡞ࡗࡓཧຍᆺ࢖࣋ࣥࢺ࡟ࡍࡿࡓࡵ㸪タィᴗົࡸ◊✲࡛ᝎࢇ࡛࠸ࡿࡇ࡜ࢆඹ᭷ࡍࡿ⥲ྜウㄽࡢ᫬㛫ࢆタࡅ࡚࠾ࡾࡲࡍ㸬ࡲࡓᮏᖺࡣ࢜ࣥࣛ࢖ࣥㅮ⩦఍࡛ࡍࡢ࡛㸪ࡇࢀࡲ࡛఍ሙ࡟㊊ࢆ㐠ࡪࡇ࡜ࡀ㞴ࡋ࠿ࡗࡓ᪉࡛ࡶࡈཧຍ࠸ࡓࡔࡁࡸࡍࡃ࡞ࡗ࡚࠾ࡾࡲࡍ㸬㢟┠࣭ㅮᖌ㸦ᩗ⛠␎㸧(1) 㛤఍ࡢ࠶࠸ࡉࡘ㸦12:50 – 13:00㸧
(2) ㅮ₇㸦13:00 – 16:30㸧
࣭ᨺᑕ ᗘィࡢṇࡋ࠸౑࠸᪉
࣭⇕㟁ᑐࡢṇࡋ࠸౑࠸᪉㸦⇕㟁ᅇ㊰ࡢᅗᘧ⾲⌧࡜ ᐃㄗᕪせᅉ㸧࣭ᐃᖖἲ࡟ࡼࡿ⇕ఏᑟ⋡ ᐃࡢཎ⌮࡜ᛂ⏝࣭⇕ὶࢭࣥࢧ࡟ࡼࡿ㟁Ꮚ㒊ရࡢⓎ⇕㔞 ᐃ࣭෭༷⏝ࣇ࢓ࣥࡢᛶ⬟ ᐃ࠾ࡼࡧホ౯ᡭἲ(3) ⥲ྜウㄽ㸦16:30 – 17:00㸧

᪥❧࢔࢝ࢹ࣑࣮

㏆⸨ ⩏ᗈ

㜵⾨኱Ꮫᰯ
ྡྂᒇᕤᴗ኱Ꮫ
ྡྂᒇᕷᕤᴗ◊✲ᡤࣃࢼࢯࢽࢵࢡ
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ㅮ₇ㅮᖌ㸪ྖ఍㸸

୰ᮧ ඖ
⏣ᕝ ṇே
Ლ⏣ Ḡ
἟ᮏ ❳ᙪ
⚟Ụ 㧗ᚿ
㏆⸨ ⩏ᗈ

ᐃဨ
ඛ╔ 40 ྡ㈨ᩱ㞟ᮏࢭ࣑ࢼ࣮࡟ཧຍࡉࢀࡓ᪉࡟㸪㈨ᩱ㞟ࢆ࣓࣮ࣝ㓄ಙ࠸ࡓࡋࡲࡍ㸬㈨ᩱ㞟ࡢࡳࡢ㈍኎ࡣ࠸ࡓࡋࡲࡏࢇ㸬⏦㎸᪉ἲ ఏ⇕Ꮫ఍࣮࣒࣮࣍࣌ࢪୖࡢ⏦㎸ࣇ࢛࣮࣒࠿ࡽ࠾⏦ࡋ㎸ࡳࡃࡔࡉ࠸㸬
http://www.htsj.or.jp/committee/lecture/20211126keisokugijutsu/ၥྜࡏඛ 㸦බ♫㸧᪥ᮏఏ⇕Ꮫ఍㸦ᢸᙜ ኱⃝㸧㸭㟁ヰ㸦03㸧3259-7919 㸭FAX㸦03㸧5577-7939
㸭E-mail : office@htsj.or.jpఏ⇕ 2021 ᖺ 10 ᭶

- 61 -J. HTSJ, Vol. 60, No. 253

஦ົᒁ࠿ࡽࡢ㐃⤡⦅㞟ฟ∧㒊఍࠿ࡽࡢ࠾▱ࡽࡏ୍ྛ✀⾜஦࣭ᗈ࿌࡞࡝ࡢᥖ㍕࡟ࡘ࠸࡚࣮
࢖ࣥࢱ࣮ࢿࢵࢺࡢᬑཬ࡟ࡼࡾ᝟ሗⓎಙ࣭஺᥮⬟ຊࡢẚ㢮࡞࠸㐍ᒎࡀࡶࡓࡽࡉࢀࡲࡋࡓ㸬୍᪉㸪ࣁ࣮ࢻࢥࣆ࣮࡜ࡋ࡚ࡢᏛ఍ㄅ࡟ࡣ㸪࢔࣮࢝࢖ࣈⓗ࡞౯್ࡢ࠶ࡿෆᐜࢆᡭ࡟࡜ࡗ࡚⇍ㄞ࡛ࡁࡿⅬࡸ㸪୍㐃ࡢ࣮࣌ࢪࢆ═ࡵ࡚඲ㇺࡀᐜ᫆࡟⌮ゎ࡛ࡁࡿⅬ࡞࡝㸪࠸ࡃࡽ㟁Ꮚ፹యࡀⓎ㐩ࡋ࡚ࡶ࠿࡞ࢃ࡞࠸㛗ᡤࡀ࠶ࡿࡢ࡛ࡣ࡞࠸࠿࡜ᛮ࠸ࡲࡍ㸬ࡓࡔࡋ㸪Ꮫ఍ㄅࡢ༳ๅ࣭Ⓨ㏦࡟ࡣከ㢠ࡢ⤒㈝ࡶక࠸ࡲࡍࡢ࡛㸪ᙜ㒊఍࡛ࡣࡇࡢ࡯࡝㸪ᐦᗘࡢࡼࡾ㧗࠸ㄅ㠃㸪ࡍ࡞ࢃࡕࣁ࣮ࢻࢥࣆ࣮࡜ࡋ࡚ࡐࡦ࡜ࡶṧࡍ࡭ࡁෆᐜࢆཝ㑅ࡋ㸪࢖ࣥࢱ࣮ࢿࢵࢺ㸦HP㸸࣮࣒࣮࣍࣌ࢪ㸪ML㸸࣓࣮ࣜࣥࢢࣜࢫࢺ㸧࡛ᢅ࠺᝟ሗ࡜ࡢ᳇ࡳศࡅࢆࡋࡓ⦅㞟᪉㔪ࢆ᳨ウ࠸ࡓࡋࡲࡋࡓ㸬ࡇࡢ⤖ᯝ㸪ࡇࢀࡲ࡛఍࿌࣮࣌ࢪ࡛ྲྀࡾᢅࡗ࡚ࡁࡓྛ✀⾜஦࣭ᗈ࿌࡞࡝ࡢᥖ㍕࡟ࡘࡁ㸪௨ୗࡢࡼ࠺࡞
᪉㔪࡛ᑐᛂࡉࡏ࡚࠸ࡓࡔࡁࡓࡃ㸪ࡈ⌮ゎ࡜ࡈ༠ຊࢆ࠾㢪࠸ࡍࡿḟ➨࡛ࡍ㸬



ᑐ㇟

ᑐᛂ

ᮏ఍㸦ᨭ㒊㸧୺ ↓ ᮲ ௳ ࡛ ヲ ⣽ ࢆ 㸪 ఍ ㄅ ࡜ദ࡟ࡼࡿ⾜஦
HP ࡟ᥖ㍕㸪ML ࡛ࡶ㓄ಙ㛵ಀᏛ఍ࡸᮏ఍ ᮲௳௜ࡁᥖ㍕఍ဨࡀ㛵ಀࡍࡿ ఍ㄅ㸸1 ௳ᙜࡓࡾ 4 ศࡢ l ࣮࣌ࢪ⛬ᗘ࡛ᥖ㍕㸦↓ᩱ㸧⤌⧊࡟ࡼࡿᅜෆእࡢ఍㆟࣭ HP㸸⾜஦࢝ࣞࣥࢲ࣮࡟ᥖ㍕ࢩ࣏ࣥࢪ࣒࣭࢘
ࡋࣜࣥࢡᙧᡂ㸦↓ᩱ㸧ࢭ࣑ࢼ࣮ML㸸᮲௳௜ࡁ㓄ಙ㸦↓ᩱ㸧኱Ꮫࡸබⓗ◊✲ᶵ㛵ࡢே஦
఍ㄅ㸸ᥖ㍕ࡏࡎ
බເ㸦ఏ⇕࡟
HP㸸᮲௳௜ࡁᥖ㍕ 㸦↓ᩱ㸧㛵ಀࡢ࠶ࡿศ
ML㸸᮲௳௜ࡁ㓄ಙ㸦↓ᩱ㸧
㔝࡟㝈ࡿ㸧

୍⯡ᗈ࿌
ồேᗈ࿌

ලయⓗ࡞ᡭ⥆ࡁ㸦㟁Ꮚ࣓࣮࡛ࣝࡢ㐃⤡ࢆ๓ᥦ࡜ࡋ࡚࠸ࡲࡍ㸧⏦㎸⪅ࡣ㸪グ஦ࢆ⥲ົᢸᙜ๪఍㛗⿵బ༠㆟ဨ㸦ML ᢸᙜ㸧㸪ᗈሗጤဨ఍ጤဨ㛗㸦HP ᢸᙜ㸧࠶ࡿ࠸ࡣ⦅㞟ฟ∧㒊఍㛗㸦఍ㄅᢸᙜ㸧࡬㏦ಙࡋ࡚ࡃࡔࡉ࠸㸬⏦㎸⪅ࡣ㸪ࡲࡎෆᐜࢆㄝ᫂ࡍࡿ㈨ᩱࢆ⥲ົᢸᙜ๪఍㛗⿵బ༠㆟ဨ࡟㏦ಙࡋ࡚ࡃࡔࡉ࠸㸬ᑂ㆟ࡢ⤖ᯝ㸪ᥖ㍕ྍ࡜࡞ࡗࡓ
ሙྜ࡟ࡣ⥲ົᢸᙜ๪఍㛗⿵బ༠㆟ဨࡼࡾ⏦㎸⪅࡟ࡑࡢ᪨㏻▱ࡋࡲࡍࡢ࡛㸪⏦㎸⪅ࡣグ஦ࢆ⦅㞟ฟ∧㒊఍㛗㸦఍ㄅᢸᙜ㸧࡜ᗈሗጤဨ఍ጤဨ㛗㸦HP ᢸᙜ㸧࡟㏦ಙࡋ࡚ࡃࡔࡉ࠸㸬⏦㎸⪅ࡣ㸪බເෆᐜࢆㄝ᫂ࡍࡿ㈨ᩱࢆ⥲ົᢸᙜ๪఍㛗⿵బ༠㆟ဨ࡟㏦ಙࡋ࡚ࡃࡔࡉ࠸㸬ᑂ㆟ࡢ⤖ᯝ㸪ᥖ㍕ྍ࡜࡞ࡗࡓ
ሙྜ࡟ࡣ⥲ົᢸᙜ๪఍㛗⿵బ༠㆟ဨࡼࡾ⏦㎸⪅࡟ࡑࡢ᪨㏻▱ࡋࡲࡍࡢ࡛㸪⏦㎸⪅ࡣグ஦ࢆᗈሗጤဨ఍ጤဨ㛗㸦HP ᢸᙜ㸧࡟㏦ಙࡋ࡚ࡃࡔࡉ࠸㸬⏦㎸⪅ࡣ㸪⦅㞟ฟ∧㒊఍㛗㸦఍ㄅᢸᙜ㸧ࡲࡓࡣᗈሗጤဨ఍
ጤဨ㛗㸦HP ࣂࢼ࣮ᗈ࿌ᢸᙜ㸧࡟ᗈ࿌ෆᐜࢆ㏦ಙࡋ࡚ࡃࡔࡉ
࠸㸬ᥖ㍕ྍ࡜࡞ࡗࡓሙྜ࡟ࡣ⦅㞟ฟ∧㒊఍㛗ࡲࡓࡣᗈሗጤ
఍ㄅ㸸᮲௳௜ࡁᥖ㍕㸦᭷ᩱ㸧ဨ఍ጤဨ㛗ࡼࡾ⏦㎸⪅࡟ࡑࡢ᪨㏻▱ࡋࡲࡍࡢ࡛㸪⏦㎸⪅ࡣHP㸸᮲௳௜ࡁᥖ㍕ཎ✏ࢆ⦅㞟ฟ∧㒊఍㛗ࡲࡓࡣᗈሗጤဨ఍ጤဨ㛗࡟㏦ಙࡋ࡚㸦ࣂࢼ࣮ᗈ࿌ࡢࡳ㸪᭷ᩱ㸧ࡃࡔࡉ࠸㸬ᥖ㍕ᩱᨭᡶ࠸ᡭ⥆ࡁ࡟ࡘ࠸࡚ࡣ஦ົᒁ࠿ࡽࡈ㐃⤡࠸ࡓࡋࡲࡍ㸬ࣂࢼ࣮ᗈ࿌ࡢྲྀࡾᢅ࠸࡟ࡘ࠸࡚ࡣ
http://www.htsj.or.jp/wp/media/36banner.pdf ࢆࡈཧ↷ୗࡉ࠸㸬



࠙㐃⤡ඛࠚ
࣭⥲ົ㒊఍㛗㸸✄⏣Ꮥ᫂㸦ᮾி㟁ᶵ኱Ꮫ㸧㸸t-inada@mail.dendai.ac.jp࣭⦅㞟ฟ∧㒊఍㛗㸸Ọ஭஧㑻㸦⚟஭኱Ꮫ㸧㸸nagai@u-fukui.ac.jp࣭ᗈሗጤဨ఍ጤဨ㛗㸸୍ᰗ‶ஂ㸦ୖᬛ኱Ꮫ㸧㸸ichiyanagi@sophia.ac.jp࣭⥲ົᢸᙜ๪఍㛗⿵బ༠㆟ဨ㸸㛗㇂ᕝὒ௓㸦ᮾி኱Ꮫ㸧㸸ysk@iis.u-tokyo.ac.jp࣭஦ົᒁ㸸኱⃝Ẏኈ࣭ᮧᯇెᏊ࣭ᒣ⏣㯞Ꮚ㸸office@htsj.or.jp࠙ὀពࠚ࣭ཎ✏ࡣ Word ࣇ࢓࢖ࣝࡲࡓࡣ Text ࣇ࢓࢖࡛ࣝ࠾㢪࠸ࡋࡲࡍ㸬࣭HP ࡣ࣓ࣥࢸࢼࣥࢫࡢ㒔ྜୖ㸪ᥖ㍕ࡣ⏦㎸᭶ࡢ⩣᭶㸪ࡲࡓ๐㝖ࡶᕼᮃᥖ㍕ᮇ㝈ࡢ⩣᭶⛬ᗘࡢ᫬㛫㐜ࢀࡀ࠶ࡿࡇ࡜ࢆࡈ஢ᢎ㢪࠸ࡲࡍ㸬࣭ML ࡛ࡣ㸪ཎ๎࡜ࡋ࡚ࢸ࢟ࢫࢺᩥࡢ㏦ಙ࡜࡞ࡾࡲࡍ㸬pdf ➼ࡢῧ௜ࣇ࢓࢖࡛ࣝ㏦ಙࢆᕼᮃࡉࢀࡿሙྜ
ࡣࡈ┦ㄯࡃࡔࡉ࠸㸬ఏ⇕ 2021 ᖺ 10 ᭶

- 62 -J. HTSJ, Vol. 60, No. 253

⦅㞟ฟ∧㒊఍ࣀ࣮ࢺ
Note from the JHTSJ Editorial Board 2021 ᖺ 5 ᭶ࡢఏ⇕ࢩ࣏ࣥࢪ࣒࢘ࡣ㸪ࢥࣟࢼ⚝ࡢࡓࡵึࡢ࢜ࣥࣛ࢖ࣥ㛤ദ࡜࡞ࡾࡲࡋࡓࡀ㸪ᐇ࡟ぢ஦࡟㐠Ⴀࡉࢀࡲࡋࡓ㸬๓ྕ࡟ᐇ᪋ሗ࿌グ஦ࡀᥖ㍕ࡉࢀ࡚࠸ࡲࡍ㸬ࡑࡇ࡛ࡶゐࢀࡽࢀࡲࡋࡓࡀ㸪ᮏᏛ఍ࡣ๰❧ 60 ࿘ᖺࢆ㏄࠼㸪ࡑࡢグᛕ஦ᴗࡀ⾜ࢃࢀࡲࡋࡓ㸬ヲ⣽ࡣ㸪ᮏྕ࡟ᖹ஭⚽୍㑻ඛ⏕㸦ᮾிᕤᴗ኱Ꮫ㸧ࡀ᭩࠿ࢀࡓሗ࿌グ஦ࢆࡐࡦࡈ୍ㄞࡃࡔࡉ࠸㸬ࡲࡓ㸪ᮏᏛ఍➨ 24 ௦఍㛗ࡢᒱ⨾᱁ඛ⏕ࡀ 6 ᭶࡟㏽ཤࡉࢀࡓ࡜ࡢ㐃⤡ࢆ┤ᚋ࡟ཷࡅࡲ
ࡋࡓ㸬㏣᝚グ஦ࡢ‽ഛࡣ 7 ᭶ྕ࡟ࡣ㛫࡟ྜࢃࡎ㸪ᮏྕ࡟ 2 ⦅ᥖ㍕⮴ࡋࡲࡍ㸬ᚰࡼࡾࡈෞ⚟ࢆ࠾♳ࡾ⮴ࡋࡲࡍ㸬 ࡉ࡚㸪ᮏྕ࡛ࡣࠕࢹ࣮ࢱ㥑ື⛉Ꮫ࡜⇕࣭ὶయᕤᏛࠖࡢ≉㞟ࢆᑠ⏣㇏ඛ⏕㸦㛵す኱Ꮫ㸧࡟⤌ࢇ࡛࠸ࡓࡔࡁࡲ
ࡋࡓ㸬ࢹ࣮ࢱࢧ࢖࢚ࣥࢫ࣭AI ࢆ㥑౑ࡋࡓ⇕ὶయᕤᏛ࡟㛵ࡋ࡚㸪⛉Ꮫࡢഃ㠃࠿ࡽ࢚ࣥࢪࢽ࢔ࣜࣥࢢ࡟⮳ࡿᖜᗈ࠸ෆᐜ࡟ࡘ࠸࡚㸪ࢺࢵࣉ࣮ࣜࢲ࣮ࡢⓙᵝ࠿ࡽ 6 ௳ࡢࡈᐤ✏ࢆ࠸ࡓࡔࡁࡲࡋࡓ㸬ࡈከ⏝࡟ࡶ㛵ࢃࡽࡎࡈᐤ✏ࡃࡔࡉࡗࡓⓙᵝ࡟㸪ࡇࡢሙࢆ࠾೉ࡾࡋ࡚ཌࡃ࠾♩⏦ࡋୖࡆࡲࡍ㸬Ọ஭ ஧㑻㸦⚟஭኱Ꮫ㸧
Niro NAGAI (University of Fukui)e-mail: nagai@u-fukui.ac.jp௻⏬࣭⦅㞟ฟ∧ᢸᙜ๪఍㛗㧗ᯇ ὒ㸦஑ᕞ኱Ꮫ㸧⦅㞟ฟ∧㒊఍㛗Ọ஭ ஧㑻㸦⚟஭኱Ꮫ㸧

ጤဨ
㸦⌮஦㸧

୰ཎ ┿ஓ㸦ឡ፾኱Ꮫ㸧㸪୸ᒣ ┤ᶞ㸦୕㔜኱Ꮫ㸧㸪ᆏᮧ ⰾᏕ㸦ᐩᒣ┴❧኱Ꮫ㸧㸦༠㆟ဨ㸧 ὸᒸ 㱟ᚨ㸦ಙᕞ኱Ꮫ㸧㸪ᑠ⏣ ㇏㸦㛵す኱Ꮫ㸧㸪ᑠ㔪 㐩ஓ㸦᪥❧〇సᡤ㸧㸪ᑠᐑ ᩔᶞ㸦ᮾ໭኱Ꮫ㸧Ṋ⏣ ဴ᫂㸦ᒣ᲍኱Ꮫ㸧㸪ሯཎ 㝯⿱㸦ᮾி⌮⛉኱Ꮫ㸧㸪୰ᕝ ៅ஧㸦ᐩᒣ┴❧኱Ꮫ㸧▮྿ ᬛⱥ㸦஑ᕞᕤᴗ኱Ꮫ㸧

TSE ࢳ࣮ࣇ࢚ࢹ࢕ࢱ࣮㕥ᮌ 㞝஧㸦ᮾி኱Ꮫ㸧

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- 65 -J. HTSJ, Vol. 60, No. 253