高圧ヘリウム混合ガス空間の温熱環境に関する基礎的研究

概要

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The purpose of this paper is to determine quantitatively heat exchange between human skin surface and thermal environment in a hyperbaric helium environment In a hyperbaric helium environment the rate of convective heat loss changes by substitution of helium for nitrogen, for example, the rate of convective heat loss by the respiration becomes significant heat loss path, on the other hand, evaporative capacity decreases by reduction of mass diffusivity for water to gas with barometric pressure. Data on the thermal environment of a hyperbaric helium environment was obtained from a series of experiments which were carried out at the Japan Marine Science & Technology Center, in 1977 to 1978. We discussed these experimental results, in comparison with the previous results. Results of this research are as follows; 1) A comfort temperature increases with barometric pressure. 2) Convective heat transfer coefficient, ambient gas movement in 0.1m/s〜0.3m/s, increasees with barometric pressure. 3) The clothing insulation decrease with barometric pressure. 4) The clothing permeation efficiency factor decreases slightly with barometric pressure.
社団法人日本建築学会の論文
1981-07-30