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Journal of Porous Media
Facteur d'impact: 1.49 Facteur d'impact sur 5 ans: 1.159 SJR: 0.504 SNIP: 0.671 CiteScore™: 1.58

ISSN Imprimer: 1091-028X
ISSN En ligne: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.2018019600
pages 845-863

INTERNAL HEAT GENERATION OF DUSTY FLUID THROUGH POROUS MEDIA OVER STRETCHING SHEET

M. Muthtamilselvan
Department of Mathematics, Bharathiar University, Coimbatore, 641 046, Tamilnadu, India
P. Gokulavani
Department of Mathematics, Bharathiar University, Coimbatore, 641 046, Tamilnadu, India
E. Ramya
Department of Mathematics, Bharathiar University, Coimbatore, 641 046, Tamilnadu, India
Deog-Hee Doh
Division of Mechanical Engineering, College of Engineering, Korea Maritime and Ocean University, Busan 606 791, South Korea

RÉSUMÉ

This article is a report of an investigation of heat and mass transfer of a viscous, incompressible dusty fluid over an unsteady stretching sheet with an effect of variable viscosity, thermal conductivity, and internal heat generation. Heat transfer characteristics are examined for two different types of boundary conditions: variable wall temperature and variable heat flux. The nonlinear partial differential governing equations are converted into a system of ordinary differential equations by using suitable similarity transformations. The ordinary differential equations are then solved numerically by using the Runge-Kutta fourth order method. The effects of physical parameters such as velocity profile, fluid particle interaction parameter, Prandtl number, Eckert number, Schmidt number, number of dust particle, variable viscosity parameter, internal heat generation/absorption, and permeability are discussed and illustrated graphically. The effects of skin friction coefficient, wall temperature, and temperature function are tabulated and discussed.


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