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Published in:
2023 | OriginalPaper | Chapter
Modeling of Human Cold Stress in Low Temperature Environment
Authors : Yuhong Shen, Chenming Li, Ting Zou, Huilin Wei
Published in: Man-Machine-Environment System Engineering
Publisher: Springer Nature Singapore
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Abstract
In this paper, a physiological model of human cold stress was developed to analyze and study the stress response of human body in low temperature environment and to predict human injury. The physiological model of human cold stress includes two parts: passive system and active system. The passive system divides the human body into 22 segments and 98 nodes, which are used to simulate the heat conduction, heat convection and blood perfusion heat transfer of the human body. Among them, the active system mainly simulates four kinds of thermoregulatory responses, including skin blood perfusion rate, arteriovenous anastomosis (AVA) blood flow, tremor and sweating. The verification tests of core temperature and multi-site skin temperature under cold exposure condition (−5 ℃) were carried out by using environmental climate chamber. The tests confirmed that the physiological model of human cold stress accurately simulated the response of human cold stress and predicted the changes of human skin and core temperature.