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Unsteady thermal boundary layer flows of a Bingham fluid in a porous medium

Citation

Rees, DAS and Bassom, AP, Unsteady thermal boundary layer flows of a Bingham fluid in a porous medium, International Journal of Heat and Mass Transfer, 82 pp. 460-467. ISSN 0017-9310 (2015) [Refereed Article]

DOI: doi:10.1016/j.ijheatmasstransfer.2014.10.047

Abstract

In this paper we consider some unsteady free convection flows of a Bingham fluid when it saturates a porous medium. These flows are induced by suddenly raising the constant temperature of a vertical bounding surface from that of the uniform ambient value to a new constant level. As time progresses heat conducts inwards and this induces flow. We consider both a semi-infinite domain and a vertical channel of finite width. Of interest here are (i) how the presence of yield surfaces alters the classical results for Newtonian flows and (ii) the manner in which the locations of the yield surfaces change as time progresses.

Item Details

Item Type:Refereed Article
Keywords:porous media, boundary layer, unsteady flow, convection, Bingham fluid, yield stress
Research Division:Mathematical Sciences
Research Group:Applied Mathematics
Research Field:Theoretical and Applied Mechanics
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Mathematical Sciences
Author:Bassom, AP (Professor Andrew Bassom)
ID Code:105749
Year Published:2015
Web of Science® Times Cited:3
Deposited By:Mathematics and Physics
Deposited On:2016-01-14
Last Modified:2017-11-01
Downloads:0

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