Predicting human thermal comfort in a transient nonuniform thermal environment

The National Renewable Energy Laboratory has developed a suite of thermal comfort tools to assist in the development of smaller and more efficient climate control systems in automobiles. These tools, which include a 126-segment sweating manikin, a finite element physiological model of the human body...

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Bibliographic Details
Published in:European journal of applied physiology 2004-09, Vol.92 (6), p.721-727
Main Authors: Rugh, J P, Farrington, R B, Bharathan, D, Vlahinos, A, Burke, R, Huizenga, C, Zhang, H
Format: Article
Language:English
Subjects:
Air Conditioning
Body Temperature Regulation
Humans
Manikins
Medical research
Perception
Predictive Value of Tests
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Summary:The National Renewable Energy Laboratory has developed a suite of thermal comfort tools to assist in the development of smaller and more efficient climate control systems in automobiles. These tools, which include a 126-segment sweating manikin, a finite element physiological model of the human body, and a psychological model based on human testing, are designed to predict human thermal comfort in transient, nonuniform thermal environments, such as automobiles. The manikin measures the heat loss from the human body in the vehicle environment and sends the heat flux from each segment to the physiological model. The physiological model predicts the body's response to the environment, determines 126-segment skin temperatures, sweat rate, and breathing rate, and transmits the data to the manikin. The psychological model uses temperature data from the physiological model to predict the local and global thermal comfort as a function of local skin and core temperatures and their rates of change. Results of initial integration testing show the thermal response of a manikin segment to transient environmental conditions.
ISSN:1439-6319
1439-6327
DOI:10.1007/s00421-004-1125-2