Journal of Japan Solar Energy Society
Online ISSN : 2433-5592
Print ISSN : 0388-9564
Research paper
Temperature Reduction in a Car Cabin by Solar Ventilation under Summer Solar Radiation
(Consideration of Ventilation Method for Temperature Reduction in Front Seats and All Seats)
Kiyoshi KAWAGUCHITomoya TAKAGIAtsushi KASE
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2020 Volume 46 Issue 4 Pages 39-45

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Abstract

In a car under summer solar radiation, the surface and air temperatures become very high, for example the air temperature around driver's seat was over 65 degree C. Thus, a ventilation system is one of the important methods for keeping comfortable thermal environment. In this study, in order to clarify the effect of temperature reduction in a car cabin by changing ventilation methods, the numerical simulation in a car cabin were conducted. In the case of ventilation flow rate of 100 m3/h, it was found that the effects of air temperature reduction around driver's head with FACE-CLR mode ventilation and on driver's seat with FACE-DP mode ventilation were better than FACE mode ventilation. Moreover it was found that the effects of air temperature reduction around driver's head and around rear seat with FACE-CLR+DP mode ventilation were better than FACE mode ventilation.

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© 2020 Japan Solar Energy Society
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