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Buildings 2015, 5(3), 1055-1069; doi:10.3390/buildings5031055

Human Body Exergy Balance: Numerical Analysis of an Indoor Thermal Environment of a Passive Wooden Room in Summer

Department of Architecture, Faculty of Engineering, Fukuyama University, Hiroshima 729-0292, Japan
Academic Editor: Tri Harso Karyono
Received: 15 June 2015 / Revised: 3 September 2015 / Accepted: 9 September 2015 / Published: 14 September 2015
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Abstract

To obtain a basic understanding of the resultant changes in the human body exergy balance (input, consumption, storage, and output) accompanying outdoor air temperature fluctuations, a “human body system and a built environmental system” coupled with numerical analysis was conducted. The built environmental system assumed a wooden room equipped with passive cooling strategies, such as thermal insulation and solar shading devices. It was found that in the daytime, the cool radiation exergy emitted by surrounding surfaces, such as walls increased the rate of human body exergy consumption, whereas the warm radiant exergy emitted by the surrounding surfaces at night decreased the rate of human body exergy consumption. The results suggested that the rates and proportions of the different components in the exergy balance equation (exergy input, consumption, storage, and output) vary according to the outdoor temperature and humidity conditions. View Full-Text
Keywords: passive system; wooden room; thermal comfort; human body; exergy passive system; wooden room; thermal comfort; human body; exergy
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Isawa, K. Human Body Exergy Balance: Numerical Analysis of an Indoor Thermal Environment of a Passive Wooden Room in Summer. Buildings 2015, 5, 1055-1069.

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