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Natural convection in domed porous enclosures : non-darcian flow

journal contribution
posted on 2003-01-01, 00:00 authored by Subrat DasSubrat Das, Y Morsi
The natural-convection flow and associated heat transfer in a fluid-saturated porous medium have been investigated using the generalized porous medium approach for a dome-shaped enclosure. Many new features have been predicted with the connective heat transfer and the shape of the top dome cover. The solutions are obtained for a wide range of Darcy and Rayleigh numbers for different offsets and eccentricities of the top dome covers. The detailed parametric study reveals that there is a significant change in heat transfer rate when the offset is between 0.2 and 0.4. Different shapes of conic section, such as circular, elliptical, parabolic, and hyperbolic are used for the top dome cover, and their effects on natural convection and heat transfer rates are studied.

History

Journal

Journal of porous media

Volume

6

Issue

3

Pagination

159 - 175

Publisher

Begell House Inc.

Location

Redding, Conn.

ISSN

1091-028X

eISSN

1934-0508

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

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