This study examines the influence of Soret and Dufour effects on double diffusive free convection due to wavy vertical surface immersed in a fluid saturated semi-infinite porous medium under Darcian assumptions. A wavy to flat surface transformation is applied, and the resulting coupled nonlinear partial differential equations under Boussinesq approximation are reduced to boundary layer equations. A finite difference scheme based on the Keller-Box approach has been used in conjunction with block-tridiagonal solver for obtaining the solution for boundary layer equations. Results from the current study are compared with those available in literature. The effect of various parameters such as wave amplitude (a), Lewis number (Le), buoyancy ratio (B), and Soret (Sr) and Dufour (Df) numbers are analyzed through local and average Nusselt number, and local and average Sherwood number plots.
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September 2011
This article was originally published in
Journal of Heat Transfer
Research Papers
A Study of Double Diffusive Free Convection From a Corrugated Vertical Surface in a Darcy Porous Medium Under Soret and Dufour effects
S.V.S.S.N.V.G. Krishna Murthy,
S.V.S.S.N.V.G. Krishna Murthy
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Peeyush Chandra,
Peeyush Chandra
Department of Mathematics and Statistics,
Indian Institute of Technology Kanpur
, Kanpur-208016, India
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Vivek Sangwan,
Vivek Sangwan
Department of Mathematics and Statistics,
Indian Institute of Technology Kanpur
, Kanpur-208016, India
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Mohit Nigam
Mohit Nigam
Department of Mathematics and Statistics,
Indian Institute of Technology Kanpur
, Kanpur-208016, India
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S.V.S.S.N.V.G. Krishna Murthy
Peeyush Chandra
Department of Mathematics and Statistics,
Indian Institute of Technology Kanpur
, Kanpur-208016, India
Vivek Sangwan
Department of Mathematics and Statistics,
Indian Institute of Technology Kanpur
, Kanpur-208016, India
Mohit Nigam
Department of Mathematics and Statistics,
Indian Institute of Technology Kanpur
, Kanpur-208016, India
J. Heat Transfer. Sep 2011, 133(9): 092601 (7 pages)
Published Online: July 7, 2011
Article history
Received:
March 27, 2010
Revised:
February 11, 2011
Online:
July 7, 2011
Published:
July 7, 2011
Citation
Krishna Murthy, S., Rathish Kumar, B., Chandra, P., Sangwan, V., and Nigam, M. (July 7, 2011). "A Study of Double Diffusive Free Convection From a Corrugated Vertical Surface in a Darcy Porous Medium Under Soret and Dufour effects." ASME. J. Heat Transfer. September 2011; 133(9): 092601. https://doi.org/10.1115/1.4003813
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