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Effect of Radiation, Chemical Reaction and Double Dispersion on Heat and Mass Transfer in Non-Darcy Free Convective Flow

[+] Author Affiliations
P. K. Kameswaran, A. S. N. Murti

Andhra University, Visakhapatnam, India

Paper No. IMECE2009-12734, pp. 681-690; 10 pages
  • ASME 2009 International Mechanical Engineering Congress and Exposition
  • Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C
  • Lake Buena Vista, Florida, USA, November 13–19, 2009
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4382-6 | eISBN: 978-0-7918-3863-1
  • Copyright © 2009 by ASME


The present paper deals with the effect of chemical reaction, radiation and double dispersion on non-Darcy free convective heat and mass transfer from semi-infinite impermeable vertical wall in a fluid saturated porous medium. The Forchheimer extension is considered in the flow equations, while the radiation chemical reaction power-law term is considered in energy and concentration equations. The governing equations are solved numerically by means of fourth order Runge-Kutta method coupled with the double shooting technique. By giving appropriate hypothetical values for f′ (0), θ′ (0) to match with the corresponding boundary conditions at f′ (∞) θ(∞) respectively. The influence of radiation on double dispersion, solute dispersion, velocity, temperature and concentration profiles as well as heat transfer and mass transfer rates are discussed.

Copyright © 2009 by ASME



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