Open Access

ARTICLE

DETERMINATION OF RADIATION HEAT TRANSFER COEFFICIENT OF STANDING HUMAN BODY MODEL BY NUMERICAL APPROACH

Ahmad Najjaran¹, Ali R. Tahavvor, Abdolkarim Najjaran, Mohammad A. Ahmadfard

Department of Mechanical Engineering, Shiraz Branch, Islamic Azad University, Shiraz, 7154845589, Iran
1 Corresponding author. Email: anajaran@iaushiraz.ac.ir

Frontiers in Heat and Mass Transfer 2012, 3(3), 1-6. https://doi.org/10.5098/hmt.v3.3.3007

Abstract

In this paper, external radiation heat transfer coefficient and flux of a standing human body model are calculated for different emissivity coefficients and various temperature differences. To do this, a standing human body sample is designed in such a way that hands and feet are totally open and stretched. Soles are in contact with the ground and so do not have heat transfer. The results are extracted by weighted average method. Despite the existence of the air around the body in reality, the convection heat transfer of human body with the surrounding air is neglected in order to prevent errors and obtain more accurate results. The advantages of the suggested method are able to solve problems with different conditions and obtain more accurate results without the limitations of laboratory experiments.

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Keywords

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