Numerical Solutions of Unsteady Laminar Free Convection from a Vertical Cone with Non-Uniform Surface Heat Flux
Publish place: Journal of Applied Fluid Mechanics، Vol: 6، Issue: 3
Publish Year: 1392
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JAFM-6-3_006
تاریخ نمایه سازی: 5 بهمن 1400
Abstract:
Numerical solutions of, unsteady laminar free convection from an incompressible viscous fluid past a vertical cone with non-uniform surface heat flux m w q x a x varying as a power function of the distance from the apex of the cone ( x ۰ ) is presented. Here m is the exponent in power law variation of the surface heat flux. The dimensionless governing equations of the flow that are unsteady, coupled and non-linear partial differential equations are solved by an efficient, accurate and unconditionally stable finite difference scheme of Crank-Nicolson type. The velocity and temperature fields have been studied for various parameters viz. Prandtl number Pr , semi vertical angle and the exponent m . The local as well as average skin-friction and Nusselt number are also presented and analyzed graphically. The present results are compared with available results in literature and are found to be in good agreement
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Authors
B. Pullepu
Department of Mathematics, S R M University, Kattankulathur, TN, India-۶۰۳۲۰۳.
A. J. Chamkha
Manufacturing Engineering Department, The Public Authority for Applied Education & Training, Shuweikh, ۷۰۶۵۴ Kuwait