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A note to the solution of Cheng-Chang equation arising in free convection in porous media

Authors
Journal
International Communications in Heat and Mass Transfer
0735-1933
Publisher
Elsevier
Publication Date
Volume
26
Issue
1
Identifiers
DOI: 10.1016/s0735-1933(98)00130-4

Abstract

Abstract The method of extended perturbation series and its improvement are applied to the problem of free convection over a hot horizontal flat surface embedded in a porous medium. The objective is to obtain an expansion of the velocity along the wall and heat flux at the wall in power series of a parameter β. The series are extended with the aid of computer up to the 18 the order. The accuracy of the present solution is discussed.

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