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Journal of Porous Media
IF: 1.752 5-Year IF: 1.487 SJR: 0.43 SNIP: 0.762 CiteScore™: 2.3

ISSN Print: 1091-028X
ISSN Online: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v16.i8.60
pages 757-765

EFFECT OF RADIATION ON MIXED CONVECTION ALONG VERTICAL CYLINDER WITH UNIFORM SURFACE HEAT FLUX IN A POROUS MEDIUM

Waqar Khan
Prince Mohammad Bin Fahd University
Malik M. Imran
Department of Engineering Sciences, PN Engineering College, National University of Science and Technology, Karachi 75350, Pakistan
Qaisar Ali
Department of Engineering Sciences, PN Engineering College, National University of Science and Technology, Karachi 75350, Pakistan

ABSTRACT

In this study, the effect of radiation on mixed convection along a vertical cylinder with uniform surface heat flux in a porous medium is investigated numerically using an implicit finite-difference method. Similar and nonsimilar solutions are obtained for combined radiation and mixed convection regime. Nusselt numbers are obtained for various values of different parameters. Several values of the power-law variation in surface heat flux, buoyancy, curvature, and mixed convection parameters are considered to study their effects on heat transfer rates. The Rosseland approximation is used to describe the radiative heat flux in energy equation.


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