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Nonsimilar Solutions for Heat and Mass Transfer Flow in an Electrically Conducting Viscoelastic Fluid over a Stretching Sheet Saturated in a Porous Medium with Suction/Blowing

Том 11, Выпуск 2, 2008, pp. 219-230
DOI: 10.1615/JPorMedia.v11.i2.70
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In this article, we present a mathematical analysis of nonsimilar solutions for flow, heat, and mass transfer phenomena in an electrically conducting viscoelastic fluid (Walters's liquid B' model) over a stretching sheet in the presence of heat source/sink, viscous dissipation, and suction or blowing. Similarity transformations are used to convert highly nonlinear partial differential equations into ordinary differential equations. Several closed form solutions for nondimensional temperature, concentration, heat flux, and mass flux are obtained in the form of confluent hypergeometric (Kummer's) functions for two different cases of the boundary conditions, namely, (1) a wall with prescribed second-order power law temperature and second-order power law concentration and (2) a wall with prescribed second-order power law heat flux and second-order power law mass flux. The effect of various physical parameters like the viscoelastic parameter, Eckert number, Prandtl number, Schmidt number, porosity parameter, and suction/blowing parameter on temperature and concentration profiles are analyzed. The effects of all these parameters on the wall temperature gradient and wall concentration gradient are also discussed.

ЦИТИРОВАНО В
  1. Ziabakhsh Z., Domairry G., Bararnia H., Babazadeh H., Analytical solution of flow and diffusion of chemically reactive species over a nonlinearly stretching sheet immersed in a porous medium, Journal of the Taiwan Institute of Chemical Engineers, 41, 1, 2010. Crossref

  2. Abdou M. Modather M., EL-Zahar E. Roshdy, Chamkha Ali J., MHD mixed convection stagnation-point flow of a viscoelastic fluid towards a stretching sheet in a porous medium with heat generation and radiation, Canadian Journal of Physics, 93, 5, 2015. Crossref

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