Chemically reactive solute transfer in a moving fluid over a moving surface

    Authors

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

    Comments

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    Abbreviated Journal Title

    Acta Mech.

    Keywords

    BOUNDARY-LAYER-FLOW; HEAT-TRANSFER; STRETCHING SHEET; TRANSPIRATION; Mechanics

    Abstract

    The distribution of a solute, undergoing a chemical reaction, between a moving surface and a moving stream is analyzed in this paper: uniform concentration at the boundary is assumed. The governing nonlinear partial differential equations are first transformed into nonlinear ordinary differential equations (ODEs) by a similarity transform, and then the ODEs are solved numerically by a shooting method. The obtained numerical results are compared with the known results in the literature in order to demonstrate the validity of the solutions. Furthermore, analytical results are provided for some parameter regimes. The effects of the governing parameters on the flow and chemical fields are examined. The numerical results indicate that dual solutions exist when the sheet and the free stream move in the opposite directions. These results are in agreement with Ishak et al. (Chem Eng J 148:63-67, 2009), where the results were obtained without chemical reaction. The concentration boundary layer thickness decreases with an increase in the Schmidt number and reaction rate parameter. Moreover, mass absorption at the plate is noted in the case of a constructive chemical reaction.

    Journal Title

    Acta Mechanica

    Volume

    224

    Issue/Number

    3

    Publication Date

    1-1-2013

    Document Type

    Article

    Language

    English

    First Page

    513

    Last Page

    523

    WOS Identifier

    WOS:000315290000004

    ISSN

    0001-5970

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