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IEEE Trans Biomed Eng. 2001 Mar;48(3):324-31.

Estimation of radiative heat transfer using a geometric human model.

Author information

  • 1Laboratory of Advanced Biomedical Engineering and Life Sciences, Center for Collaborative Research, The University of Tokyo, Japan. kakuta@mels.ccr.u-tokyo.ac.jp

Abstract

In order to provide a detailed estimate of radiative heat transfer between a human body and its surrounding environment, we have developed a geometric model of a human form and an algorithm. The model closely resembles the actual shape of a human body and is composed of small quadrilateral surfaces. Dealing with an object or a space with an arbitrary shape, the developed algorithm can judge efficiently whether there is an obstruction between a pair of surfaces. As a result, the angle factors between a pair of surfaces that only occur during radiative heat transfer can be defined. The distribution of the radiative heat transfer rates shows the characteristics of body shape and variations in posture.

PMID:
11327500
[PubMed - indexed for MEDLINE]
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