http://dx.doi.org/10.1002/zamm.19940741209

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Title

Flow And Heat-Transfer In A Saturated Porous-Medium Over A Stretching Surface

Authors

Authors

K. Vajravelu

Comments

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Abbreviated Journal Title

Z. Angew. Math. Mech.

Keywords

SUCTION; Mathematics, Applied; Mechanics

Abstract

An analysis is carried out to study the flow heal and transfer charactertistics in a saturated por aus medium over an impermeable stretching sheet with frictional hearing and internal hear generation or absorption. Two cases are studied namely (i) the sheet with prescribed surface temperature (PST-case) and (ii) the sheet with prescribed wall heat flux (PHF-case). Exact solutions for the velocity field and the skin friction are obtained. Also, the solutions for the temperature, the heat transfer characteristics and their asymptotic limits for large and small Prandtl numbers are obtained in terms of Kummer's and parabolic cylinder functions. For large Prandtl numbers (sigma), a thermal boundary layer width of root 1/sigma is noticed in both PST and PHF cases. Furthermore, it is shown that there is no boundary layer type of solution for small Prandtl number.

Journal Title

Zeitschrift Fur Angewandte Mathematik Und Mechanik

Volume

74

Issue/Number

12

Publication Date

1-1-1995

Document Type

Article

Language

English

First Page

605

Last Page

614

WOS Identifier

WOS:A1994PX92500004

ISSN

0044-2267

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