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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.9

ISSN Druckformat: 2152-5102
ISSN Online: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v34.i1.50
pages 66-78

Mixed Convection Flow Along a Thin Vertical Cylinder with Localized Heating or Cooling in a Porous Medium

Mahesh Kumari
Department of Mathematics, Indian Institute of Science, Bangalore 560 012, India
C. Bercea
Faculty of Mathematics, University of Cluj, Cluj CP 253, Romania
Ioan Pop
Department of Applied Mathematics, Babes-Bolyai University, 400084 Cluj-Napoca, Romania

ABSTRAKT

The effects of localized cooling/heating on the steady mixed convection boundary layer flow over a thin vertical cylinder embedded in a fluid-saturated porous medium under the assumption of Darcy's law has been theoretically studied. The localized cooling/heating introduces a finite discontinuity in the mathematical formulation of the problem, which increases its complexity. In order to overcome this difficulty, a nonuniform distribution of the wall temperature is considered at certain sections of the cylinder. The nonlinear coupled parabolic partial differential equations have been solved numerically by using an implicit finite-difference scheme similar to that developed by Blottner.


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