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Free convective flow through porous medium with variable permeability in slip flow regime with couple stress in the presence of heat source

Abstract

The unsteady free convective MHDflow of a polar fluid through a porous medium with variable permeability in the presence of heat source bounded by an infinite horizontal porous plate in slip flow regime is analyzed. The transformed nondimensional equations are solved by a perturbation method. The obtained results are presented graphically to illustrate the influence of different physical parameters on the velocity profile, angular velocity profile, temperature profile, and concentration profile. Further the effect of variable permeability parameter on the velocity profile is investigated. Some special cases with their physical significance are discussed and compared with the existing published work.

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Parida, S.K., Rout, B.R. Free convective flow through porous medium with variable permeability in slip flow regime with couple stress in the presence of heat source. J. Engin. Thermophys. 26, 125–138 (2017). https://doi.org/10.1134/S1810232817010143

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