Finite Element Solution of Laminar Combined Convection From a Sphere

[+] Author and Article Information
King-Leung Wong, Shun-Ch’ing Lee, Cha’o-Kuang Chen

Department of Mechanical Engineering, National Cheng-Kung University, Tainan, Taiwan, Republic of China

J. Heat Transfer 108(4), 860-865 (Nov 01, 1986) (6 pages) doi:10.1115/1.3247024 History: Received June 22, 1984; Online October 20, 2009


The purpose of this investigation is to study the flow and heat transfer characteristics of laminar combined convection from an isothermal sphere. The full Navier–Stokes and energy equations are solved by a finite element method. The variations of surface shear stress, pressure, and Nusselt number are obtained over the entire surface of the sphere including the zone beyond the separation point. The predicted values of average Nusselt number, location of separation point, total drag shear force, and some plots of the flow and temperature fields are also presented. The results are compared with those of previous numerical and experimental investigations and the agreement is satisfactory.

Copyright © 1986 by ASME
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