Numerical prediction of entropy generation due to natural convection from a horizontal cylinder

被引:62
作者
Abu-Hijleh, BA [1 ]
Abu-Qudais, M [1 ]
Abu Nada, E [1 ]
机构
[1] Jordan Univ Sci & Technol, Dept Engn Mech, Irbid 22110, Jordan
关键词
D O I
10.1016/S0360-5442(98)00103-0
中图分类号
O414.1 [热力学];
学科分类号
摘要
Entropy generation due to natural convection has been calculated for three radii and a wide range of Rayleigh numbers for an isothermal cylinder. It was predominantly caused by conduction. The viscous contribution was negligible. Locations of high local entropy generation were identified for different configurations. The total entropy generation decreased with increasing cylinder size for a given value of the Rayleigh number. (C) 1999 Elsevier Science Ltd. All rights reserved.
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收藏
页码:327 / 333
页数:7
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