Natural convection in domed porous enclosures : non-darcian flow

Das, Subrat and Morsi, Yos 2003, Natural convection in domed porous enclosures : non-darcian flow, Journal of porous media, vol. 6, no. 3, pp. 159-175, doi: 10.1615/JPorMedia.v6.i3.20.

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Title Natural convection in domed porous enclosures : non-darcian flow
Author(s) Das, Subrat
Morsi, Yos
Journal name Journal of porous media
Volume number 6
Issue number 3
Start page 159
End page 175
Total pages 17
Publisher Begell House Inc.
Place of publication Redding, Conn.
Publication date 2003
ISSN 1091-028X
Keyword(s) flow of fluids
heat transfer
natural convection
nusselt number
Summary 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.
Language eng
DOI 10.1615/JPorMedia.v6.i3.20
Field of Research 099999 Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
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