Preprint Article Version 1 This version is not peer-reviewed

The Non-Uniform and Asymmetric Thermal Radiation upon the Human Physiological Responses in Outdoor Environment

Version 1 : Received: 15 July 2018 / Approved: 16 July 2018 / Online: 16 July 2018 (10:46:36 CEST)

How to cite: Kurazumi, Y.; Fukagawa, K.; Sakoi, T.; Aruninta, A.; Yamashita, K. The Non-Uniform and Asymmetric Thermal Radiation upon the Human Physiological Responses in Outdoor Environment. Preprints 2018, 2018070274 (doi: 10.20944/preprints201807.0274.v1). Kurazumi, Y.; Fukagawa, K.; Sakoi, T.; Aruninta, A.; Yamashita, K. The Non-Uniform and Asymmetric Thermal Radiation upon the Human Physiological Responses in Outdoor Environment. Preprints 2018, 2018070274 (doi: 10.20944/preprints201807.0274.v1).

Abstract

Depending on human body conditions and environmental conditions, it is sometimes difficult to conduct subject experiments. In such cases, it is effective to use a thermal manikin. There are few studies that investigate the effect of the non-uniform and asymmetric outdoor thermal environment on the mean skin temperature. The purpose of this study is to clarify the influence of the non-uniform and asymmetric thermal radiation of short-wavelength solar radiation in an outdoor environment on the calculation of the mean skin temperature. The skin temperature of the front of the coronal surface, which was facing the sun and where the body received direct short-wavelength solar radiation, and the skin temperature of the rear of the coronal surface, which was in the shadow and did not receive direct short-wavelength solar radiation were respectively measured. The feet, upper arm, forearm, hand and lower leg, which are susceptible to short-wavelength solar radiation in a standing posture, had a noticeable difference in skin temperature between sites in the sun and in shade. The mean skin temperature of sites facing the sun was significantly higher than the mean skin temperature of those in the shade.

Subject Areas

asymmetry; mean skin temperature; non-uniform; outdoor environment; physiological response; skin temperature; solar radiation

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