卸俳氏41 (課程博士(英文))Date of submission (month day, year)

Septelnber 271h 2019

Department ofArchitecture
StudenuD Number

D169501

and civil E口旦ineering

PPI】cant'S NameSupervisors

Dra宮anova, vanyaYordanova

TsuzukiKazuyo
Inoue Takanobu
Matsushima shh・0

Abstract (Doctor)
Title ofThesis

A S加dy on Adaptive lhermalcomfortin universny Dormitories. Effect ofNationality

Approx.80o words

Our contemporafy wofld faces unpTecedented global problems ‑ environmental,
geopolitical, societal, economic and techn010gical、 Excessive and insensible eneτ今y use
On a globalscale is one ofthe major conh'ibutの's to the complex enV辻onn〕entalissues.
I×11y localeffective measufe for enefgy conservation and its efficient use can con仇,ibuteto tl)e solution. one way to lin〕北 energy use is tl)roU曾h implementing adaptive tl〕ermal
Comfort. Nlowing building occupants to contTol and connect back to theh,immediatethern〕alenvh'onment and, to adapt t0 北, eventua11y affects the energy consun].ption of
the building itseH. PTovidil〕曾 Comf田't is complicated and it is tl)e outcome of a flexible

Systeln indudin牙 D the occupant; 2) the buildin宮; 3) tl)e indoor mi仇,oclin〕ate and 4) theOutdoor C11mate.

The cluTent tl)esis is focused on investigating the behavi0じ and subjective pxefefences
fox thelr lndoor enV辻onlnent of Japanese and non・Japanese students living in
UniverS北y donnitの'y buildil)晉S under Japanese dimatic conditions. The major initial
Objective is to detennine what does con〕fort mean il〕 terms of telnpeTature Tange forJapanese and non、Japanese people; to compaTe the diffexences and, to understand how'tolerant the occupants are to their envh'onn〕ent.＼入7e expected to obseTve D differencein comfort ten)petatures between Japanese and non・Japanese students in summeT asWe11 as in winter; 2) that Japanese con〕.f0王t vote wi11 faH within the cluTentfecomn〕endations for stunn)er and winter in Japan; and 3) tl〕at Japanese students wi11be n)OTe toleTant to their enVⅡ'onn〕ent in both seasons as it is native to tl〕eln.

Dの'mltoTy buildin牙S were selected for conductin曾 the Tesearch as D tl〕ey a王e a uniqueCombil〕ation of a Tesidence and office; 2) tl)ey aN undeT・investi曾ated in Japan in tefms

Of adaptive thefn)al con〕foft; 3) they are for ten〕pofaTy n)ultinational occupancy and,Can revealthe differences between Japanese and non・Japanese students; 4) they afe
expected to need n〕ajor 王efurbisl)nlent in the recent years.
We planned and conducted a field sufvey in the sumlner and winteT of 2017 ‑2018 in

two unlve玲ity dofmitの'y buildin曾S in Toyohashi unive鵄ity of Techn010gy
internationaldoYmitofy (Kaikan) and the Global students Don)〕itoTy (GSD)theSubjective votes

气入lereC011ected throU号h a traditional paper questlonnalre.

Simultaneously, measurements of physical parameters of the indoor and outdoot
environment were conducted and the two data・sets were linked. The correlation ofthe

Subjective neUね・ality and comfort were investi今ated in relation to nationality
The study revealed that for both observed 牙roups,in summer, the subjective neutTality
and comfort was related to outdoor climate cond北ions, but in wlnter it was stTongly
disconnected froln the outdoors

For both Japanese and non・Japanese students, thermal responses were stTon牙ly
Correlated to one another, whexe feelin宮 Warmer resulted in in仇'ease of subjectiveCon〕foxtinwinter and decrease in summer.1n winter, feelin牙 Warmer led to decrease inabove 85% which can be explained with the high level ofpersonalcontr01.

(︑the desire to warm up the indoor environment, while in sumn〕er itled to the desire toCoolit dowh. Nevertheless, voted thermal acceptability ln both seasons was invanably

Durin曾 Summer, the recorded indoor humid北y was vay high (71%), while in winter 北Was very low (47%). However, in both seasonS 北 did not a丘ect the thermal sensation
Vote. For both Japanese and non・Japanese students, theTmal sensation wasSignificantly determined only by the indoor telnperature. The effects of clothing andactivity were also ne曾li今ible both in summer and in winterThe summer neutTalindoor temperature could be estimated aS 26゜c for JapaneseStudents and aS 250c for non・Japanese. However, the highest probabi1北y of votin牙
neutralfor Japanese students was only 70‑75% and it was estimated within 24 28゜Cindoor temperature. For non・Japanese students it's above 80% within the same
temperature fan曾e.

Colnpated to non・Japanese ones in both seasons. The summer comforttemperature forboth 今1・OUPs could be estimated aS 260c and, in winter itiS 20゜c for Japanese and 22゜Cfor non'Japanese

For botl〕 Japanese and non・Japanese students, the yielded pfedicting modelS 丘om theSurvey deviated 丘om the models in the cun'ent international standatds.1n addition,

the voted and the estimated neutrality and colnfortin the study were lnostlybelow therecomn〕ended minimum indoor temperature in sun)mer and, above the recommendedmaximum indoor temperatul'e in winter ln Japan. As the recommendation ls set
Considerin牙 the energy consel.vation, it is reasonable to further investi曾ate how tomake it possible to adjust the subjective neutral and colnfort tenlperatures without
Comptomisin牙 Personalcomfort.

(The winter neutralindoor temperatul'e could be estimated aS 21゜c for JapaneseStudents and aS 220c for non・Japanese. However, the l〕ighest probability of votin曾
neutralfox Japanese students was only 65% and it was estimated within 19 22゜Cindoor temperature. For non・Japanese students it'S 75% W北hin 19 24゜c lndoors
Japanese students were notably more sensitive to the辻 indoor environment as