期刊
APPLIED MATHEMATICAL MODELLING
卷 32, 期 6, 页码 1099-1114出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.apm.2007.02.030
关键词
group method; two-parameter group; similar solution; micropolar fluid
The group theoretic approach is applied for solving the problem of unsteady natural convection flow of micropolar fluid along a vertical flat plate in a thermally stratified medium. The application of two-parameter transformation group reduces the number of independent variables in the governing system consisting of partial differential equations and a set of auxiliary conditions from three to only one independent variable, and consequently the system of governing partial differential equations with boundary conditions reduces to a system of ordinary differential equations with appropriate boundary conditions. Numerical solution of the velocity, microrotation and heat transfer have been obtained. The possible forms of the ambient temperature variation with position and time are derived. (c) 2007 Elsevier Inc. All rights reserved.
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