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Experimental study on convective heat transfer coefficient of the human body

Authors:	Hidekado Ishigaki Tetsumi Horikoshi Tomoki Uematsu Masato Sahashi Tadahiro Tsuchikawa Tohru Mochida Tetsuya Hieda Norio Isoda and Hiroko Kubo

Institution:	^a Toho Gas Co. Ltd, Sakurada-cho, Atsuta-ku, 456, Nagoya, Japan ^b Department of Architecture, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, 466, Nagoya, Japan ^c Kajima Corp., 6-5-30 Akasaka, Minato-ku, 107, Tokyo, Japan ^d Takenaka Corp., 1-18-22 Nishiki, Naka-ku, 460, Nagoya, Japan ^e Gifu National College of Technology, Shinsei-cho, 501-04, Gifu, Japan ^f Hokkaido University, Hokkaido, N13W8, 060, Sapporo, Japan ^g T&G Lab., 3-17-3 Matsushito, 305, Tsukuba, Japan ^h Nara Women's University, Kita-Sakanaya Nishi-machi, 630, Nara, Japan

Abstract:	1. 1. The convective heat transfer coefficient of the human body is essential to predict convective heat loss from the body. 2. 2. The object of this paper is to calculate the convective heat transfer coefficient of the human body using heat flow meters and to estimate the thermally equivalent sphere and cylinder to the human body. 3. 3. The experimental formulae of the convective heat transfer coefficient for the whole body were obtained by regression analysis for natural, forced and mixed convection. 4. 4. Diameters of the thermally equivalent sphere and cylinder of the human body were calculated as 12.9 and 12.2 cm, respectively. Author Keywords: Convective heat transfer coefficient; human body; forced convection; natural convection; heat flow meter

Keywords:	Convective heat transfer coefficient human body forced convection natural convection heat flow meter
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