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Journal of Porous Media
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ISSN Druckformat: 1091-028X
ISSN Online: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v21.i5.10
pages 389-404

MHD NONLINEAR CONVECTIVE FLOW OF OLDROYD-B FLUID IN A DARCY-FORCHHEIMER POROUS MEDIUM WITH HEAT GENERATION/ABSORPTION

Tasawar Hayat
Department of Mathematics, Quaid-I-Azam University 45320, Islamabad 44000, Pakistan; Nonlinear Analysis and Applied Mathematics (NAAM) Research Group, Faculty of Science, King Abdulaziz University, P.O. Box 80257, Jeddah 21589, Saudi Arabia
Sajid Qayyum
Department of Mathematics, Quaid-I-Azam University, Islamabad 44000, Pakistan
Sabir Ali Shehzad
Department of Mathematics, COMSATS Institute of Information Technology, Sahiwal 57000, Pakistan
Ahmed Alsaedi
Nonlinear Analysis and Applied Mathematics (NAAM) Research Group, Department of Mathematics, Faculty of Science, King Abdulaziz University, P. O. Box. 80257, Jeddah 21589, Saudi Arabia

ABSTRAKT

An investigation and analysis have been made for the magnetohydrodynamic (MHD) nonlinear convective flow of Oldroyd-B fluid in the presence of a non-Darcy porous medium. Thermal radiation, mixed convection, and heat generation/absorption are present. Features of heat transfer are studied in view of convective surface conditions. Implementation of suitable variables yields nonlinear ordinary differential systems. Resulting systems have been solved through a homotopic procedure. The characteristics of different physical quantities on velocity and temperature are scrutinized graphically and deliberated physically. The expression of the local Nusselt number is calculated and explored through numerical values. Temperature and rate of heat transfer are enhanced when the thermal radiation parameter and Biot number are increased.


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