4㏱㐣ᆺሖሐ࡟࠾ࡅࡿẚ㔜ࡢ␗࡞ࡿὶᮌ⩌ࡢ㏻㐣࣭㛢ሰ࡟㛵ࡍࡿỈ⌮ᶍᆺᐇ㦂
ᅜᅵ஺㏻┬୰㒊ᆅ᪉ᩚഛᒁኳ❳ᕝୖὶἙᕝ஦ົᡤ⳥ụ஬㍯ᙪᒸᮏ ᫂ ⌧୰㒊ᆅ᪉ᩚഛᒁ ᪥ᮏᕤႠ ᰴ ‫ۑ‬Ώ㒊᫓ᶞ㛗ᒣᏕᙪụᓥ ๛す 㝧ኴ㑻ఀ⸨㝯㒌
1200

20

Conifer( a ) Run1ὶ㔞 ( m 3/s )Ld = 120 (mm)Ld = 66 (mm)d⤥ᮌ㔞 (logs / min)ὶ㔞 ( m 3/s )⤥ᮌ㔞 (logs / min)18
Hydrographࡣࡌࡵ࡟ 㐲ᒣᕝࡣኳ❳ᕝࡢᕥᨭᕝ࡛㸪ὶᇦ㠃✚
1000
16
14
Broadleaf tree
800
342.5 km2㸪ὶ㊰ᘏ㛗39.3 km㸪ᖹᆒἙᗋ໙㓄1/24ࡢ
12600
10ᛴὶἙᕝ࡛࠶ࡾ㸪ᮏᕝྜὶ㒊࡟ࡣᖹᒸࢲ࣒ࡀ࠶ࡿ㸬
8400
6Ỉ⌮ᶍᆺᐇ㦂࡟ࡼࡾὥỈ᫬࡟ࡣᅵ◁ὶฟไᚚ࣭ᖹ
42002Ỉ᫬࡟ࡣἙᕝࡢ㐃⥆ᛶࢆಖࡘࡇ࡜ࡀྍ⬟࡞஺஫㝵
0005
1015
20
25
30
3540
෗┿1᫬㛫 ( hr )ẁᆺࡢ㝮ษሖሐࢆᥦ᱌ࡋ1), 2), 3)᪂ᆺ๓ᗞಖㆤᕤ࡜
஺஫㝵ẁᆺሖሐࡢ㏱㐣㒊
800
60( b ) Run2
ᖏᕤ࡟ࡼࡿሖሐ┤ୗࡸ᪋タୗὶᇦࡢ౵㣗ᑐ⟇Conifer : 㔪ⴥᶞBroadleaf tree : ᗈⴥᶞ
700(䝫䝸䝥䝻䝢䝺䞁,Conifer50(䜰䜽䝸䝹, ẚ㔜 : 1.20 )3)ẚ㔜 : 0.952)
600
Run 1࡟㛵ࡍࡿ᳨ウࡶ㐍ࡵ࡚࠸ࡿ ᮏ᳨ウ࡟ࡼࡾሖHydrograph
Run 140
Run 2 : ୰つᶍฟỈ500
Run 2 : ୰つᶍฟỈBroadleaf tree
Broadleaf treeሐࡸሖሐୗὶᇦࡢᵓ㐀≀ࡢᙧ≧࠾ࡼࡧ㓄⨨᱌
40030Run 2 : ῶỈᮇD =300203 (mm)ࡀ᭱⤊ẁ㝵࡟⮳ࡾḟ࠸࡛ィ⏬ὶฟὶᮌ㔞
200
10100
࡟ᑐࡍࡿ㏱㐣㒊㛢ሰࡢ᳨ウࢆ⾜࠺ᚲせᛶࡀ࠶Conifer
Run 2 : ῶỈᮇ00012345678ࡿࡇࡇ࡛ࡣὶᮌ㔞ࡢࡳ࡞ࡽࡎᮏὶᇦ࡟࠾
᫬㛫 ( hr )D =3 (mm)ࡅࡿᶞ✀ࢆᢕᥱࡋ࡚኱ฟỈ᫬࣭ῶỈᮇ࡟࠾ࡅᅗ1 ࣁ࢖ࢻࣟࢢࣛࣇ࡜⤥ᮌ㔞ࡿὶᮌࡀ஺஫㝵ẁᆺሖሐࡢ㏻㐣࣭㛢ሰ࠾ࡼࡧୗ
( (a)Run1, (b)Run2 )ὶᇦ࡟୚࠼ࡿᙳ㡪ࢆỈ⌮ᶍᆺᐇ㦂࡟ࡼࡾ⾜ࡗ෗┿2 ὶᮌࣔࢹࣝ
ࡓᮏᐇ㦂࡟ࡼࡾሖሐ㏱㐣㒊࡛ὶᮌࡢ㐣኱(a)
Run1࡞㛢ሰࡀ⏕ࡌ࡟ࡃ࠸ࡇ࡜ࢆ☜ㄆࡋ࡚࠸ࡿሖሐ䠖஺஫㝵ẁᆺሖሐᖏᕤ䠖3ᇶ㐲ᒣᕝὶᇦ࡜஺஫㝵ẁᆺሖሐᮏᐇ㦂࡛ࡣ 2 ࢣ࣮ࢫࡢ᪂ᆺ๓ᗞಖㆤᕤ䣭䢰䢸ᐇ㦂ࢆ⾜ࡗࡓ᪋タ㓄⨨ࢆࡳࡿ࡜஺஫㝵ẁᆺࡢ㝮ษሖ
䣭
䢳䢹
䢰䢺
ᖏᕤ
䢳䢺
ሖሐ
ሐ࡟ຍ࠼Run1 ࡛ࡣ๓ᗞಖㆤᕤ࡜ᖏᕤ 3 ᇶRun2 ࡛ࡣᖏ䣭䢰䢴䣭ᕤ 10 ᇶࢆ㓄⨨ࡋ࡚࠸ࡿ㸦ᚋ㏙ࡢᅗ2 ཧ↷㸧෗┿ 1 ࡣ஺䢰䢸 䢷䢳䢻䢳䢹 䢰䢹䣭 䣭䢳䢹 䢰䢹䢷䢹䢳 䢺䣭஫㝵ẁᆺࡢ㝮ษ㓄⨨࡛࠶ࡿ. 䢰䢳䢹䢳
ሖሐ㏱㐣㒊࡟ཬࡰࡍὶᮌࡢᙳ㡪࡜᪋タୗὶᇦࡢ≧ἣ䢳䢻䢰 䢻䢰䢸䣭䢳䢻䢰 䢷䢹䢷䣭
䢷䢷䣭ᮏᐇ㦂࡛⏝࠸ࡿὶᮌࣔࢹࣝࡣ㐲ᒣᕝὶᇦ࡟࠾ࡅࡿᮦ✚᪂ᆺ๓ᗞಖㆤᕤᶞ㧗ㄪᰝࢹ࣮ࢱࡼࡾᶞ✀ࡢෆヂ㛗ࡉ┤ᚄẚ㔜➼ࢆタᐃࡋࡓ෗┿ 2 ࡟ὶᮌࣔࢹࣝࡢᙧ≧ࡸẚ㔜ࢆ♧ࡍ㔪(b)ⴥᶞࡣỈ࡟ᑐࡋ࡚ᾋࡁ୍᪉࡛ᗈⴥᶞࡣỈ࡟ỿࡴ࡜࠸࠺
Run2≉ᚩࡀ࠶ࡿ 4)ὶᮌ㔞ࡣ᪤ ࢹ࣮ࢱ࡛࠶ࡿィ⏬㉸㐣ὶฟᅵሖሐ䠖஺஫㝵ẁᆺሖሐᖏᕤ䠖10ᇶ
◁㔞࡜ᐇ㦂౪⤥ᅵ◁㔞ࡢẚࢆ⏝࠸࡚ィ⏬㉸㐣ὶฟὶᮌ㔞䢰䢸 䣭䢹䢳䢰䢺䣭䢺ᖏᕤ䢳࡟ᑐᛂࡉࡏ࡚タᐃࡋ඲ὶᮌᩘࢆᶞ✀࡟㛵ࡍࡿㄪᰝࢹ࣮ሖሐࢱࢆ⏝࠸࡚㔪ⴥᶞ࡜ᗈⴥᶞࡢẚࢆ 3:2 ࡜ࡋࡓࡲࡓ⤥ᮌ
䣭䣭
䢰䢴
䢰䢸䢷
䢳䢻
䢳䢹 䢰䢹䣭 䣭䢳 䢹 䢹 䢰䢹 䢷㛗ࡣ❧ᮌ㛗ࡉࡢ 1/3 ⛬ᗘ࡟࡞ࡿࡇ࡜ 5)ࢆ⪃៖ࡋ㔪ⴥᶞ䢳 䢺䣭䢰䢳䢹࡛ 6mᗈⴥᶞ࡛ 3.3m┤ᚄࡣ 15cm ࡜ࡋࡓᅗ 1 ࡟ࡣᮏ䢳䢳䢻䢰 䢻䢰䢸䣭䢳䢻䢰 䢷䢹䢷䣭
ᐇ㦂࡛౑⏝ࡋࡓࣁ࢖ࢻࣟࢢࣛࣇ࡜⤥ᮌࡢࢱ࢖࣑ࣥࢢࢆ♧䢷䢷䣭ࡋ࡚࠾ࡾRun1 ࡛ࡣ኱つᶍฟỈࢆRun2 ࡛ࡣ୰つᶍὶ㔞ࡢῶỈᮇࢆ᝿ᐃࡋ࡚࠸ࡿᶍᆺ⦰ᑻࡣ1/50 ࡛࠶ࡾᶍᆺ
ᅗ2 ྛࢣ࣮ࢫࡢᶍᆺᖹ㠃ᅗἙᗋࡣ⛣ືᗋἙᗋ࡛࠶ࡿࡀ⤥◁ࡣ⾜ࡗ࡚࠸࡞࠸⤥ᮌࡣ( (a)Run1, (b)Run2 )ᶍᆺ್࡛6 ᮏ/s ࡜ࡋᅗ2 ࡢୖὶ➃࠿ࡽ୚࠼⤥ᮌ⾲1 ⤥ᮌ㔞ࡢෆヂࡢࢱ࢖࣑ࣥࢢࡣὶ㔞Ἴᙧࡼࡾᚋ᪉࡟ࡎࡽࡋ Run1 㔪ⴥᶞᗈⴥᶞ㔪ⴥᶞ㻔ῶỈᮇ㻕ᗈⴥᶞ㻔ῶỈᮇ㻕ࡉࡽ࡟ὥỈῶỈᮇ࡟ࣆ࣮ࢡ᫬࡜ྠ㔞ࡢ⤥ᮌࢆ୚࠼Run1
Total ( Logs )11,100
4,100
䇲
䇲
Run2
Total ( Logs )
1,800
1,200
3,600
2,400
ࡿࡇ࡜࡟ࡼࡾὶ㔞つᶍ࡟ᑐࡍࡿὶᮌὶୗࡢᙳ㡪ࢆࡳࡓ Run2  ㏱㐣㒊࡟࠾ࡅࡿὶᮌࡢ㏻㐣࠾ࡼࡧ㛢ሰࡢ☜ㄆ஺஫ᆺ㝵ẁᆺሖሐࡢ㏱㐣㒊௦⾲㛗ࡣᗄࡘ࠿᝿ᐃࡉࢀࡿࡀࡇࡇ
࡛ࡣ᭱ᑠ್࡛࠶ࡿ 10m ࢆ௦⾲㛗ࡉ Lo ࡜ࡋࡓ㸦෗┿1 ཧ↷㸧୧ὶᮌ㛗 Ld ࡟ᑐࡋ࡚ඹ࡟ Lo > Ld ࡢ㛵ಀ࡛࠶ࡾὶ
ᮌ㛗࡜㏱㐣ᖜ࠿ࡽࡳ࡚㏱㐣㒊࡟ὶᮌࡀ㛢ሰࡍࡿྍ⬟ᛶࡀᑡ࡞࠸ࡇ࡜ࡀ᝿ᐃࡉࢀࡿᅗ3 ࡣᶍᆺୗὶ➃㸦㣤ᓥሖሐ㸧࠿ࡽࡢὶᮌὶฟ⋡ࡢ᫬⣔ิࢹ࣮ࢱ࡛࠶ࡿ⤥ᮌࡉࢀࡓ㔪ⴥᶞࡣ⤥ᮌ࡜ඹ࡟┤ࡕ࡟ୗὶ➃࡬ὶฟࡋ࡚࠸ࡿ୍᪉䢲 䣭䢷䢲䢰䢶䢲䢴䢰䢶䢷䣭
䢷䣭
䢲䢰䢶䢹

d䢷䢲䢲

䢷䢴䢷䢷䢵䢲䢷 䢳䢲䢷 䢲䢷䢷䢲䢷䢳 䢺䢰䢻䢻 䢷䣭䢷䢲䢷

䢷䢷䢷䢲䢲䢲䢲䢶䢻䢷䢷䢴䢲䢷䢴䢷䢷䢳䢷䢷䢵 䢲䢶䢻䢷

䢷䢲䢲䢷䢳䢲䢷䢲䢷䢷䢴 䢷 䢲䢷䢴 䢷䢳䢷䢲䢷 䢵䢲䢷䢷䢳䢳䢺 䢰䢴䣭䢷䢴䢷䢵䢲 䢷䢴䢷䢷䢴䢲䢲䢷 䢳䢷ᩚὶ䢷䣭䢷䢴䢳䢻 䢰 䣭䢰䢷 䣭䢳䢻 䢰䢶䢹䢷䢳䢻䢳䢻䢰䢶䢷䣭䢳䢻䢰䢶䢴䢷䣭䢷䣭䢳䢺䢰䢲䢴䢷䣭䢳䢺䢰䢲 䢷䣭䢰䢲䢹䢳䢺 䢳䢺䢰䢳䣭䣭䢴䢷 䣭䢰䢳 䢳䢷䢳䢺 䢳䢺䢰䢷 䢴䢲䢷䢷䢴䢷䢴䢷䢷䢴 䢲䢷䢷䢴 䢵䢲䢷䢳䢷䢷䢷 䢲䢷䢷䢳 䢲䢷䢶䢻䢷䢵䢲䢲䢵䢲䢷䢵䢲䢷䢴䢷䢷䢵䢷䢳 䢷䢷 䢴䢷䢷 䢴䢲䢷䢴 䢲䢷 䢳䢲䢷䢰䢺䣭䢳䢻䢰䢲䣭䢴䢲䢷䢷䢴 䢷䢷 䢴䢲䢳䢲䢷䢳䢹 䢳䢹 䢰䢺䢳䢹 䢰䢻 䢰䢻 䣭 䢷䣭䢳䢹䢰䢻䢷䣭䢴䢷䣭䢳䢹䢰䢻䢹䢷䣭䢷䢷䢲䢷䢵䢷䢳䢷䢷䢳䢲䢷䢲䢷䢷䢵䢲䢷䣭䢲䢰䢴䣭䢲䢰䢵䢷䣭䢲䢰䢵 䢰䢶䣭䢲 䣭䢲䢰䢶䢲䢴䢰䢶䢷䢷䣭䢷䣭䢲䢰䢶䢹䢷䢳䢳䢻䢰䢳 䢵䢷䢳䢻 䢻䢰䢵䣭 䣭䢰䢴䢷䣭䢳䢳䢻䢻䢰䢳䢷䢳 䢻 䢰 䢳䣭 䣭䢰䢲䢷䣭䢳䢺䢰䢻䢳 䢺䢰 䢷䣭䢳䢺 䢻䣭䢰䢺 䢷䣭䢷䢲䢲䢴䢷䣭䣭䢷䢳䢻 䢰䢸䢳䢻 䢰䢸䢰䢸䢹䢷䣭䢳䢻䢰䢶䣭䢳䢻䣭䢳䢻䢰䢹䢳䢻䢰䢹䢳 䢴䢷 䣭䢳䢻䢰 䢹䢻䢰 䢹䢷䣭䢹䢳䢻 䢷 䣭䢴䢲䢷䢷䢳䢲䢲䢷䢵 䢴䢷䢷䢷䢴 䢲䢲 䢷䢴䢲 䢷䢳 䢷䢲䢷䢲䢶 䢻䢷 䢲䢷䢷䢴䢷䢷䢲䢷䢷䢲䢲䢷䢳䢷䢷 䢳䢷䢳䢻 䢳䢻䢰䢲䢰䢲䢺 䢸䢷䢳䢻䢷䣭 䣭䢰䢳䢳䢻 䢵䣭䢳䢻 䢳䢻䢰䢳 䢰䢳䢷䢹䢰䢳䢺 䢹䢷 䣭䢹䣭 䣭  䢷䢲䢲䢶䢻䢷䢷 䢲䢲䢷䢴  䢳䢷䢻䢷䢳䢲䢷䢳䢷䢷䢶䢷䢳 䢲䢷䢵䢲䢷䢷䢳䢷䢷䢴䢷䢷䢴䢲䢷䢴䢷䢷䢲䢷䢲䢷䢴䢷䢷䢳䢲䢶䢻䢳䢺䢰䢲䣭䢷䢵䢲䢷䢷䢵䢲䢷䢲䢷䢴䢲䢷䢴䢷䢷䢳䢷䢷䢷䢳䢷䢴䢷 䢷 䢵䢲䢳䢲䢷䢷䢳䢲䢷䢳䢷䢷䢲 䢷䢷䢴䢲䢷䢳 䢷䢷䢵䢲䢳䢺䢰䢶䣭䢷䢳䢷 䢷䢴䢷䢳䢷䢴䢲䢷 䢲䢲䢷䢵䢷 䢴䢷䢷䢲 䢷䢷䢵䢲䢷䢲䢷䢷䢳䢲䢷䢲䢷䢷 䢳䢲䢷䢲䢷䢳䢹䢰䢴䢷䣭䢳䢹䢰䢵䣭䢳䢹䢰䢵䢷䣭䢳䢹䢰䢶䣭 䢳䢹 䢳䢹䢳䢰䢶䢷䣭䢰䢷䢷 䢹䢰䢷䣭 䣭䢷䢴䢲䢷䢳䢺䢰䢸䣭䢷䢳䢷䢳 䢷䢲䢰䢲䢲 䢷䣭䢲䢰䢰䢳䢲䢹䢷䣭䢲 䢲䢰䢳 䣭䢷䢳䢳䢺䢰䢸䢴䢷䢳䢺䢰䢸䢷䣭 䣭䢳䢳 䢺 䢺䢰䢸䢹䢰䢹 䣭 䢷 䣭䢳 䢺䢰 䢺䢷 䢳 䢺䢷䣭 䢰䢹䢷䣭䢳 䢺䢰 䢻䢴䢷䣭䢷䢴 䢲䢲䢲  䢵䢲䢷䢴䢲䢲䢰䢷䢳䣭䢷䣭䢰䢴 䣭 䣭䢷䣭䢳䢺䢳䢺䢰䢵 䢺䢰䢵䢷䢰䢺 䢶䢴 䢷䣭 䢷䣭䢳䢳 䢺䢰䢶䢰䢶䢹䢳䢳䢺 䢺䢰䢷䣭䢳 䢴䢷䣭䢰䢷䢳䢺䢳䢺䢰䢷䢷䣭䢳䢺䢰䢷䢹䢷䣭䢷䢳䢲䢷䢲䢷䢷䢷䢳䢷䢻䢷䢷䢴䢷䢷䢴䢲䢶䢷䢲䢲䢷䢵䢲䢷䢴䢷䢳䢷䢷䢵䢲䢷䢴䢷䢲䢷䢷䢷䢰䢳 䢴䢷䢲䢰 䢷䣭 䣭䢴䣭䢲䢷䢷䢲䢷䢷䢴䢴䢲䢷䢲䢲䢷䢳䢷䢳䢲䢶䢻䢷䢲ᆅỿ◁䢷䢴䢷 䢳䢷䢷 䢵䢷䢷䢳 䢲 䢷䢷䢳䢷䢳䢷䢷䢴䢲䢷䣭䢲䢰䢴䣭䢲䢰䢵䢷䣭䢲䢰䢵䢷䢳䢲䢲䢷䢻䢷䢷䢴 䢷䢷䢷䢵䢲䢷䢴䢷䢶䢷䢷䢲䢷䢲䢷䢵䢲䢷䢲䢷䢳䢹䢰䢶䣭䢷䢳䢷䢳䢹䢷䢴䢲䢷䢴䢲䢶䢻䢷䢻䢷䢲ሖሐ㣤ᓥ 䢰䢴 䢶䣭䢷䢴䢷䢶䢻䢷   䢷䢲䢲䢷䢲䢲 䢶䢷䢲䢰䢷䢲䢷䢳 䢲䢷䢲 䢷䢴䢲  䢶䢻䢷䢲䢷䢲 䢲䢵䢲䢷 䢷 䢴䢷䢷䢷 䢴䢲 䢷䢳     䢢䢯䢷䢳䢲䢰䢶 䣭Ỉ㊰ᖐ㑏䢷䢳䢲䢷䢷䢳䢷䢷䢲䢷䢶 䢻䢷䢷䢵䢲䢷䢴䢷䢷䢴䢲䢷䢲䢲䢷䢵䢲䢷䢴䢷䢷䢷䢷䢳䢷䢳䢷䢷䢳 䢲䢷䢲䢷䢲䢷䢷䢴䢲䢳䢺䢰䢸䣭䢰䢺䣭䢷䢳䢲䢷 䢴䢷䢷䢲䢷䢴䢷䣭䣭䢳䢻 䢰䢸䢷䢳䢻 䢰䢸䢰䢸 䢹䢷 䣭䢳䢻䢰䢶䣭䢳䢻䣭䢳䢻䢳䢰䢹䢻䢰 䢹䢳 䢴䢷 䣭䢳䢻䢰 䢻䢰 䢹䢷䣭䢹䢹䢷䢳䢻 䣭䢳䢻䢰䢲䣭 䢷䢳䢷䢴䢲䢷 䢲䢲䢷䢳䢲䢷䢷 䢴䢷䢷䢷䢵䢲䢲䢲䢷䢷䢲䢲䢷䢷䢶䢻䢷䢷 䢵䢲䢶䢻䢷䢷䢲䢲䢷䢳䢲䢷䢲䢷䢷䢳䢷䢷䢳 䢲䢷䢳䢺 䢰䢴䣭䢷䢴䢷䢴 䢷䢷䢴 䢲䢷䢵 䢲䢷䢳 䢷 䢷䢴 䢲䢷䢵䢲 䢷䢴䢷䢷䢵䢲䢷䢴䢲䢷䢳䢷䢷䣭䢷䢴䢳䢻 䢰 䣭䢰䢷䢳䢻 䢰䢶䢹䢷䣭䢳䢻䢳䢻䢰䢶䢷䣭䢳䢻䢰䢶䢴䢷䣭䢳䢻䢳 䢰䢵䢷䣭䢳䢻 䢻䢰䢵䣭䢰䢴䢷䣭䢷䣭䢳䢺䢰䢲䢴䢷䣭䢳䢺䢰䢲 䢷䣭䢰䢲䢹䢳䢺 䢺䢰䢳䣭䢳 䢷䣭䣭䢰䢳䢴 䢳䢷䢳䢺 䢳䢺䢰䢷䢵䢲䢷 䢴䢲䢷䢳䢲䢶䢻䢷䢵䢲䢷䢲䢷䢴䢳䢲䢷 䢴䢷䢷䢴 䢲 䢳䢷䢷䢲䢷䢳䢷䢷䢵䢲䢲䢷䢳䢲䢷䢷䢴䢷䢷䢷䢷䢲䢲䢳 䢳䢹 䢰䢳䢹 䢰䢻 䢹䢰䢻 䣭 䢺 䢷䣭䢳䢹䢰䢻䢷䣭䢴䢷䣭䢳䢹䢰䢻䢹䢷䣭䢷䢳䢳䢳䢻䢻䢰䢳䢷䢳䢻 䢰 䢳䣭 䣭䢰䢲 䢷䢳䢺䣭䢰䢻䢳䢺 䢷䣭䢳 䢺 䢰䢻 䣭䢰䢺 䢷䣭䢷䢲䢲䢷䢷䢳 䢷䢲䢻䢷䢷䢴䢷䢷䢷䢴䢷䢴䢷䢷䢴䢷䢷 䢴䢲䢷䢵䢳䢷䢷䢲䢲䢶䢻䢷䢷䢴䢶䢷䢳 䢲䢴䢷䢲䢰䢲䢲 䢷䣭䢲䢰䢰䢳䢲䢹䢷䣭䢲 䢲䢰䢳 䣭䢷䢷䢲䢶 䢻䢷 䢲䢷䢴䢷䢲䢷䢷䢳䢷䢷䢵 䢲䢷 䢴䢷䢴䢲䢷䢷䢴䢷䢷䢴䢲䢷䢴䢷䢷䢲䢷䢲䢲䢷䢷 䢳䢷䢳䢺䢰䢸䢴䢷䣭䢳䢺䢰䢸䢷䣭䢳䢳䢺 䢺䢰䢸䢹䢳 䢺 䢰䢹 䣭 䢷 䣭䢰䢹 䢷䣭䢲䢷䢴䢲䢷䢲䢲䢷䢵䢲䢷䢳䢷䢳䢷䢷䢳䢷䢷 䢳䢲䢷䢵䢲䢷䢲䢰䢳 䢴䢷䢲䢰䢴 䢷䣭 䣭䣭䢳䢲䢷䢳䢺䢰䢲䣭䢷䢵 䢲䢷䢴䢷䢷䢳䢷䢷䢳䢷䢷䢴䢷䢷䢳䢲䢲䢷䢳䢷 䢲䢷䢷䢴䢲䢷䢴䢷䢷 䢲䢷䢲䢷䢵䢷 䢴䢷䢲䢷䢵䢲䢷䢴䢲䢶 䢻䢷䢴䢲䢷䢳䢷䢷䢷䢴䢲䢷䢳䢷䢷䢴䢲䢷䢳䢷䢷䢳䢲䢷䢲䢷䢳䢹䢰䢴䢷䣭䢳䢹䢰䢵䣭䢳䢹䢰䢵䢷䣭䢳䢹䢰䢶䣭 䢳䢹 䢳䢹䢳䢰䢶䢷䣭䢰䢷䢷 䢹䢰䢷䣭 䣭䢷䢲䢷䢵䢲䢷 䢳䢷䢷䢴䢷䢶䢻䢳䢺䢰䢶䣭䢷䢷䢲䢷䢷 䢳䢲䢷䢲䢷  䢷䢳䢲䢲䢷䢵䢲䢳䢹䢷䢲䢷䢲䢲䢷䢳䢷䢷䢳䢷䢷䢴䢷䢷䢷䢲䢲䢷䢵䢲䢷䢲䢲䢷䢳䢷ሖሐ㣤ᓥ 䢰䢴䢶䣭䣭䢲䢰䢷䢳䣭䣭䢰䢴䢷 䣭 䣭䢴䢷䢳䢺 䢺䢰䢵 䢺䢰䢵䢷䢰䢶 䢶䢷䣭 䢷䣭䢳 䢳䢺䢳 䢺䢰 䢰䢶䢹䢳䢳䢺 䢰䢷䣭䢳䢺 䢴䢷䣭䢰䢷䢳䢺䢳䢺䢰䢷䢷䣭䢳䢺䢰䢷䢹䢷䣭䢷 䢳䢷䢷䢵䢲䢴䢲䢷䢵䢲䢷䢴䢷 䢷䢴 䢲䢷䢴䢷䢷䢴䢲䢶䢻䢷䢴䢲䢷㪄㩷㪙㪄㪐㪉㩷㪄 䢷 䢷䢳䢲䢷䢲䢷䢷䢷䢵䢲䢷䢴䢷䢷 䢳䢷䢷䢳䢷 䢵䢷䢲 䢷䢳 䢷䢴䢷䢳䢲䢷䢷 䢴䢷䢷䢷䢷䢲䢷䢲䢷䢲䢷䢲ᆅỿ◁䢷䢵䢲䢷䢵䢲䢷䢴䢷䢷䢴䢲䢲䢷䢴䢷䢲䢷䢴䢷   䢶䢻䢷䢳䢷䢷䢷䢲䢲  䢷䢲䢰䢷䢶䢻䢷䢶䢻䢷䢲䢶䢻䢶䢻䢷 䢷䢳 䢲䢷䢲 䢷䢲䢲䢢䢯䢷䢲䢲䢲䢲䢷 䢴䢷 䢴䢲 䢷䢷 䢷䢳䢷䢴 䢲  䢷䢳䢲䢷䢵䢲䢶 䢻䢷 䢷䢳䢷䢷䢲䢷䢷䢷䢳䢲䢳䢹䢰䢶䣭Ỉ㊰ᖐ㑏䢷䢵䢲䢷䢴䢷䢷䢴䢲ᩚὶ㔪ⴥᶞὶᮌὶฟ⋡ : ᗈⴥᶞ( logs/s )ὶᮌὶฟ⋡ : 㔪ⴥᶞ( logs/s )ὶᮌὶฟ⋡:ᗈⴥᶞ( logs/s )ὶᮌὶฟ⋡:㔪ⴥᶞ( logs/s )( a ) Run 1
ሖሐ㻔㏱㐣㻕┤ୗ䛾ὶᮌሁ✚≧ἣᗈⴥᶞࡣỈ࡟ỿࡳᅵ◁࡟ᾋࡁ࡞ࡀ
0.025
1
(1)
ᗈⴥᶞ
ὶ㔞ࣆ࣮ࢡ
0.9
0.020.8ࡽὶୗࡍࡿࡓࡵὶฟ㔞ࡣᑡ࡞࠸ࡶࡢ
0.7
⤥ᮌ⤊஢
0.015
0.6
ࡢὶ◁ࡢὶฟ࡜㢮ఝࡋࡓὶฟἼᙧ࡜
0.5
⤥ᮌ㛤ጞ
0.01
0.4
0.3
࡞ࡗ࡚࠸ࡿࡲࡓᗈⴥᶞࡣῶỈ
0.005
0.2
Run1Run20.1ᮇ࡛ࡣἙ㐨ෆ➼࡟ሁ✚ࡍࡿࡓࡵ
000
5
1015
2025
30
35
40
㏱㐣㒊䜘䜚(2)㏱㐣㒊䛾ὶᮌ䛾㏻㐣≧ἣ᫬㛫 ( hr. )ୗὶ➃࠿ࡽࡢὶฟࡣṤ࡝ぢࡽࢀ࡞࠸
㏻㐣䛩䜛ὶᮌ( b ) Run 2
㔪ⴥᶞ
0.0251㔪ⴥᶞ(ῶỈᮇ) Ἑ㐨ෆࡢὶᮌሁ✚≧ἣ෗┿3
⤥ᮌ㛤ጞ
0.9
ᗈⴥᶞ
ῶỈᮇ
0.020.8ᗈⴥᶞ(ῶỈᮇ)
ࡣ㏻Ỉᚋࡢ Run1, Run2 ࡟࠾ࡅࡿὶ0.7
⤥ᮌ㛤ጞ
Run1
Run2
0.015
0.6
୰つᶍฟỈ
⤥ᮌ⤊஢
ᮌ㸦㔪ⴥᶞᗈⴥᶞ㸧ࡢሁ✚࡟ࡘ࠸࡚
0.5
ῶỈᮇ
⤥ᮌ⤊஢
0.010.4
୰つᶍฟỈ
Run1Run20.3
ሖሐ࠿ࡽୗὶࡢᙃ᭤㒊ᕝᖜᣑᖜ㒊
0.005
0.20.1⊃✽㒊࡟࠾ࡅࡿὶᮌࡢሁ✚≧ἣࡢ㐪
00ᙃ᭤㒊䠄እᓊ䠅䛻
012345678ሁ✚䛧䛯ὶᮌ᫬㛫 ( hr. )࠸ࢆ♧ࡋࡓࡶࡢ࡛࠶ࡿ࡞࠾෗┿ 3(3)Ἑ㐨ᙃ᭤㒊䛾ὶᮌሁ✚≧ἣ
ᅗ3㣤ᓥሖሐ࠿ࡽࡢὶᮌὶฟ⋡2 ࡣ㏻Ỉ୰ࡢὶᮌࡢ㏱㐣㒊࠿ࡽ
Run1
Run2( (a) Run1 , (b) Run2 )ࡢὶฟ≧ἣࢆ♧ࡋ࡚࠸ࡿୖグࡢ 1࡟♧ࡋࡓࡼ࠺࡟Run1, Run2 ࡜ࡶ࡟ὶᮌ㛗 Ld < ㏱㐣㒊ࡢ௦⾲㛗 Lo ࡛࠶ࡾ(4)୍㒊ࡢὶᮌ㸦㔪ⴥᶞ㸧ࡀỈ㏻ࡋኳ➃࡟஌ࡾୖࡆࡿࡶࡢࡢ㔪ⴥᶞྥୖ
ᶞ࡜ࡶ࡟Ṥ࡝ὶᮌࡣ㏱㐣㒊ࢆ㏻㐣ࡋ࡚࠸ࡿḟ࡟Ἑᗋ⾲ᒙ㸦⾲㠃Ἑᗋୗ㸧Ἑ㐨ᙃ᭤㒊㻔ෆᓊ㻕䡚⊃✽㒊䛾ὶᮌ䛾ሁ✚≧ἣ࡟ ࠾ ࡅ ࡿ ὶ ᮌ ሁ ✚ ࡢ ≉ ᛶ ࢆ ࡳ ࡿ ࡓ ࡵ  Ἑ ᗋ ୗ ࡢ ཌ ࡉ ࢆ ᭱ ኱ ⢏ ᚄ Ἑ㐨ᙃ᭤㒊㻔ෆᓊ㻕䛾ὶᮌሁ✚≧ἣ(5)d95=250mm ࡢ 4 ಸࢆ஺᥮ᒙཌࡉࡢ 2 ಸ࡜᝿ᐃࡋᶍᆺ್࡛ 40mm㸦ཎᆺ್ Run1Run2ᙃ᭤㒊䠄ෆᓊ䠅䛻
࡛ 2m㸧ࡢሁ✚ὶᮌࢆࡳࡓ࡞࠾Ἑᗋ⾲ᒙࡢὶᮌࡣἙᗋ⾲㠃࡟ሁ✚ࡋ࡚ሁ✚䛧䛯ὶᮌ࠸ࡿࡶࡢ࡜ᐃ⩏ࡋࡓἙᗋୗ࡛ࡣἙᗋ౵㣗࣭ሁ✚ࡢ⧞ࡾ㏉ࡋ࡟ࡼࡾᗈⴥᶞ
ࡀከ㔞࡟ሁ✚ࡋἙᗋୗࡼࡾ௨῝࡟ࡶሁ✚ࡍࡿ᩿㠃ࡶ࠶ࡗࡓࡇࢀࡣᗈⴥᶞࡢỈ࡟ỿࡳᅵ◁࡟ᾋࡃ≉ᛶࡀ⌧ࢀࡓࡶࡢ࡛Ἑ㐨ෆ㈓␃ࡉࢀࡿྍ⬟ᛶ
Run2(6)ࡀ㧗࠸ࡇ࡜ࢆ♧ࡍᙃ᭤㒊࡟࠾࠸࡚ࡣᙃ᭤ෆᓊ࡟ฟỈ᫬ࡢỈ㝿࡜࡞ࡿ఩ Run1⨨࡟㔪ⴥᶞࡀሁ✚ࡍࡿഴྥࡀᙉ࠸ ෗┿ 3 3 , 4 , 5 Ἑ㐨ᣑᖜ㒊࡟࠾࠸࡚ࡶྠᵝ࡛࠶ࡿࡀᙃ᭤㒊࡜␗࡞ࡾฟỈつᶍẖࡢỈࡳࡕ㒊࡟ᗈⴥᶞࡀሁ✚ࡋ࡚࠸ࡿ ෗┿ 3 4 ୍᪉Ἑ㐨⊃✽㒊࡟࠾࠸࡚ࡣὶࢀࡢ㞟୰࡟ Ἑ㐨⊃✽㒊䛾ὶᮌሁ✚≧ἣࡼࡾ㔪ⴥᶞࡣὶୗࡋᗈⴥᶞࡣⱝᖸሁ✚ࡀぢࡽࢀࡿࡶࡢࡢୗὶ࡬ Ἑ㐨ᙃ᭤㒊㻔ෆᓊ㻕䛾ὶᮌሁ✚≧ἣ Run2ᙃ᭤㒊䠄ෆᓊ䠅䛻ሁ✚䛧䛯ὶᮌὶୗࡍࡿഴྥࡀᙉ࠸ ෗┿ 3 6 ḟ࡟ୗὶ௚㸦㣤ᓥሖሐ㸧ࡢᙳ㡪ࢆࡳࡿ Run1(7)࡜ฟỈ᫬ࡢỈ఩ࡏࡁୖࡆࡢᙳ㡪࡟ࡼࡾ◁ᕞୖ࡟㔪ⴥᶞᗈⴥᶞ࡜ࡶ࡟
ሁ✚ࡋ࡚࠸ࡿRun1 ࡛ࡣฟỈつᶍࡀ኱ࡁࡃῶỈᮇࡢὶ㔞ࡢ᫬㛫ኚ໬⋡dQ/dt ࡀᑠࡉ࠸ࡓࡵ࡟ከࡃࡢ㔪ⴥᶞࡣୗὶ࡟ὶୗࡋᗈⴥᶞࡣሁ✚ࡍࡿ୍᪉Run2 ࡛ࡣῶỈᮇࡢ dQ/dt ࡀ኱ࡁ࠸ࡓࡵ࡟ከࡃࡢ㔪ⴥᶞࡀሁ✚ࡍࡿ⤖ᯝ࡜࡞ࡗࡓ ෗┿ 3 7 , 8 ෗┿3 ᭱ୗẁ࡟♧ࡍࡼ࠺࡟㺩㺽㺏㸦㣤(8)
Run1Run2ᓥሖሐ㸧㒊࡟࠾࠸࡚ࡣRun1Run2 ࡜ࡶ࡟㺩㺽㺏ࢆ㛢ሰࡍࡿὶᮌ⩌ࡀぢࡽࢀሖሐ‣Ỉᇦ䛻㣤ᓥሖሐୖὶᇦ䛾ὶᮌሁ✚≧ἣሁ✚䛧䛯ὶᮌࡓࡀ(෗┿ 3 (9))඲యࡢ⤥ᮌ㔞࠿ࡽぢ࡚ࡑࡢ㔞ࡣᑡ㔞࡛࠶ࡗࡓῶỈᮇ࡟࠾࠸࡚㸪ὶ㔞ࡢ᫬㛫ኚ໬⋡(⤯ᑐ್)ࡣ㸪Run 1< Run2 ࡛࠶ࡾ㸪ࡋ
FlowFlowRun1Run2࠿ࡶ㸪⤥ᮌᩘࡣ Run 2 ࡢ᪉ࡀ኱ࡁ࠸ᐇ㦂ࢆ⾜ࡗࡓ㸬ὶ㔞ࡢቑỈᮇࡸ㺩㺽㺎㺖ὶሖሐ䝢䜰㒊䛻㔞௜㏆࡛ࡣ㸪㏱㐣ሖሐ࡟ὶᮌࡀᤕᤊࡋ࡞࠸᫬㸪ὶᮌࡣὶ㔞࡟౫Ꮡࡏࡎ࡟ὶ
ᤕᤊ䛥䜜䛯ὶᮌ
(9)ୗࡍࡿ㸬୍᪉㸪ῶỈᮇ࡟࠾࠸࡚ࡣ㸪ὶ㔞ࡢ᫬㛫ኚ໬ࡀ኱ࡁ࠸᪉ࡀ㸪Ἑ㐨ෆ㣤ᓥሖሐ䛾ὶᮌሁ✚≧ἣࡢᙃ᭤࣭ᣑᖜ㒊࡟୍㒊ࡢὶᮌࡀ㈓␃ࡉࢀࡿ㸬ࡇࢀࡽࡣ㸪㔪ⴥᶞࡢഴྥ࡛࠶
෗┿3 ࢣ࣮ࢫูࡢὶᮌሁ✚≧ἣࡗ࡚㸪ᗈⴥᶞࡣἙ㐨ෆࡢᙃ᭤࣭ᣑᖜ㒊ࡸྛฟỈ᫬ࡢ͆ࡳ࠾➽͇࡟ሁ✚ࡍࡿ㸬࠾ࢃࡾ࡟஺஫㝵ẁᆺ࣭㝮ษሖሐࢆᑐ㇟࡜ࡋ࡚㏱㐣㒊࡬ࡢὶᮌࡢ㛢ሰሖሐ࣭᪋タୗὶᇦࡢἙ㐨ෆ࠾ࡼࡧ㣤ᓥሖሐ࡟࠾ࡅࡿὶᮌὶୗሁ✚≧ἣ࡟ࡘ࠸࡚ὶ㔞つᶍࡸἼᙧࡢ㐪࠸࡟╔┠ࡋ᳨࡚ウࡋࡓὶᮌࡣ㔪ⴥᶞᗈⴥᶞ
ࡢᶞ✀࡟╔┠ࡋ࡚ࣔࢹࣝ໬ࡋࡓሖሐ㏱㐣㒊ࡢὶᮌࡢ㛢ሰ࡟ࡘ࠸࡚ࡣᶞ✀࡟㛵ಀ࡞ࡃ኱࣭୰つᶍฟỈ࡟࠾࠸࡚
㏱㐣㒊ࡢ௦⾲㛗ࡉ Lo > ὶᮌ㛗 Ld ࡢ᮲௳ࡀᙉࡃᙳ㡪ࡋ࡚㏱㐣㒊࡟㛢ሰࡋ࡞࠸ࡲࡓᗈⴥᶞࡣሖሐሁ◁ᇦ࡟ከ㔞࡟ᤕᤊࡉࢀࡿ୍᪉㸪㔪ⴥᶞࡣሖሐ࠿ࡽ࡯࡜ࢇ࡝ὶฟࡍࡿࡀὶ㔞ࡢ᫬㛫ኚ໬⋡࡟౫Ꮡࡋ࡚㸪ࡑࡢ኱ᑠ࡟ᛂࡌ࡚㸪Ἑ㐨ෆࡢᙃ᭤㒊ࡸἙ㐨ᣑᖜ㒊ࡢỈ㝿࡟ῶỈᮇ୰࡟୍㒊ሁ✚ࡋୗὶ➃ࡢ㣤ᓥሖሐ࠿ࡽὶฟࡍࡿ⤖ᯝ࡜࡞ࡗࡓ
ㅰ㎡ி㒔኱Ꮫ኱Ꮫ㝔Ỉᒣ㧗ஂᩍᤵ❧࿨㤋኱Ꮫ㔛῝ዲᩥᩍᤵࡢពぢࢆ㡬࠸ࡓࡇࡇ࡟ឤㅰࡢពࢆ♧ࡋࡲࡍཧ⪃ᩥ⊩ 1) ⲡ㔝឵୍ࡽ㸸ᖹᡂ 23 ᖺᗘ◁㜵Ꮫ఍◊✲Ⓨ⾲఍ᴫせ㞟 (H23 ᴫせ㞟), 62-63, 2012, 2) ⵦཎ₶୍ࡽ㸸ᖹᡂ24 ᖺᗘᴫせ㞟, 110-111, 2012, 3) ⵦཎ₶୍ࡽ㸸ᖹᡂ 25 ᖺᗘᴫせ㞟㸦ᢞ✏୰㸧, 2013, 4) ITOH, T. et al.:Int. Jour. Ero. Contr.
Eng, Vol.3, No.1, 9-19, 2010, 2, 5) Ỉᒣࡽ㸸ᅵᮌ◊✲ᡤሗ࿌, ➨ 183-3, 1991.

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