| Project/Area Number |
25350085
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Clothing life/Dwelling life
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| Research Institution | Daido University |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
TOMITA Akemi 椙山女学園大学, 生活科学部, 教授 (60065042)
NAGANO Kazuo 京都府立大学, 生命環境学部, 准教授 (90322297)
ISHII Jin 名城大学, 理工学部, 准教授 (70321479)
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2015: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2014: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | 日傘 / 暑熱環境 / 体感温度 / 熱中症 / 温熱的快適性 / 日射遮蔽率 / 日射遮蔽 / 暑熱緩和 / 人体投射面積遮蔽率 |
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| Outline of Final Research Achievements |
A parasol is one of the portable means that can mitigate heat stress in summer. The use situation of parasols was revealed by a questionnaire survey for female college students. To clarify the thermal performance of a parasol, the measurements of environmental parameters under the parasols and a series of subjective experiments using the parasols were carried out in hot summer. Based on the measured data, the universal effective temperature (ETU) for the person using the parasol was calculated, and the thermal effect of the parasol was demonstrated quantitatively. Statistical analysis revealed that the parasols lowered the effective temperatures for whole-body in 1 to 2 degree Celsius and those at the head of parasol users in 4 to 9 degree Celsius, depending on the fabric of parasol. Consequently, the parasols can improve human thermal comfort and reduce the risk of heat illness in hot summer.
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