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Similarity analysis for natural convection from a vertical plate with distributed wall concentration

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  • I. Mulolani
  • M. Rahman

Abstract

Steady laminar natural convection flow over a semi-infinite vertical plate is examined in this paper. It is assumed that the concentration of a species along the plate follows some algebraic law with respect to chemical reaction. Similarity solutions may then be obtained for different orders of reaction. The fundamental parameters of this problem are the Schmidt number, Sc, and reaction order, n . Numerical results, based on the fourth order Runge-Kutta method, for Schmidt number ranging from 0.0 to 100.0 and reaction order from 0.0 to 1.5 are presented. When chemical reaction occurs, diffusion and velocity domains are seen to expand out from the plate. For large values of n , one may expect a smaller diffusion layer which, at fixed Schmidt number, is associated with increased velocity and reduced convection-layer.

Suggested Citation

  • I. Mulolani & M. Rahman, 2000. "Similarity analysis for natural convection from a vertical plate with distributed wall concentration," International Journal of Mathematics and Mathematical Sciences, Hindawi, vol. 23, pages 1-16, January.
    • Handle: RePEc:hin:jijmms:967085
    DOI: 10.1155/S0161171200001745
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