A New Transient Passenger Thermal Comfort Model

Paper #:
  • 970528

Published:
  • 1997-02-24
Citation:
Brown, J. and Jones, B., "A New Transient Passenger Thermal Comfort Model," SAE Technical Paper 970528, 1997, https://doi.org/10.4271/970528.
Pages:
8
Abstract:
This paper presents a new transient passenger thermal comfort model. The model uses as inputs the vehicle environmental variables: air temperature, air velocity, relative humidity and mean radiant temperature all of which can vary as a function of time and space. The model also uses as inputs the clothing level and the initial physiological state of the body. The model then predicts as a function of time the physiological state of the body and an effective human thermal sensation response (e.g. cold, comfort, hot, etc.). The advantage of this model is that it can accurately predict the human thermal sensation response during transient vehicle warm-up and cooldown conditions. It also allows design engineers the ability to conduct parametric studies of climate control systems before hardware is available. Here we present the basis of the new thermal comfort model and its predictions for transient warm-up and cooldown conditions. Model predictions are compared to actual human subjective data and to Fanger and Gagge thermal comfort model predictions.
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