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Estimation of radiative heat transfer using a geometric human model

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4 Author(s)
N. Kakuta ; Lab. of Adv. Bio. Eng. & Life Sci., Tokyo Univ., Japan ; S. Yokoyama ; M. Nakamura ; K. Mabuchi

In order to provide a detailed estimate of radiative heat transfer between a human body and its surrounding environment, the authors 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.

Published in:

IEEE Transactions on Biomedical Engineering  (Volume:48 ,  Issue: 3 )