Casson Fluid Flow and Heat Transfer at an Exponentially Stretching Permeable Surface

    Authors

    S. Mukhopadhyay; K. Vajravelu;R. A. Van Gorder

    Comments

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    Abbreviated Journal Title

    J. Appl. Mech.-Trans. ASME

    Keywords

    Casson fluid; exponentially stretching sheet; suction/blowing; heat; transfer; similarity solutions; HOMOTOPY ANALYSIS METHOD; BOUNDARY-LAYER-FLOW; NONLINEAR; DIFFERENTIAL-EQUATIONS; MASS-TRANSFER; HYDROMAGNETIC FLOW; 2ND-GRADE; FLUID; GENERAL-APPROACH; SHRINKING SHEET; UNSTEADY-FLOW; VISCOUS-FLOW; Mechanics

    Abstract

    The present paper deals with the boundary layer flow and heat transfer of a non-Newtonian fluid at an exponentially stretching permeable surface. The Casson fluid model is used to characterize the non-Newtonian fluid behavior, due to its various practical applications. With the help of similarity transformations the governing partial differential equations corresponding to the continuity, momentum, and energy equations are converted into non-linear ordinary differential equations, and numerical solutions to these equations are obtained. Furthermore, in some specific parameter regimes, analytical solutions are found. It is observed that the effect of increasing values of the Casson parameter is to decrease the velocity field while enhancing the temperature field. Furthermore, it is observed that the effect of the increasing values of the suction parameter is to increase the skin-friction coefficient.

    Journal Title

    Journal of Applied Mechanics-Transactions of the Asme

    Volume

    80

    Issue/Number

    5

    Publication Date

    1-1-2013

    Document Type

    Article

    Language

    English

    First Page

    9

    WOS Identifier

    WOS:000326178200028

    ISSN

    0021-8936

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