Double diffusive Marangoni convection flow of electrically conducting fluid in a square cavity with chemical reaction

Saleem, M., Hossain, M.A., & Saha, Suvash C. (2014) Double diffusive Marangoni convection flow of electrically conducting fluid in a square cavity with chemical reaction. Journal of Heat Transfer, 136(6), pp. 1-9.

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Double diffusive Marangoni convection flow of viscous incompressible electrically conducting fluid in a square cavity is studied in this paper by taking into consideration of the effect of applied magnetic field in arbitrary direction and the chemical reaction. The governing equations are solved numerically by using alternate direct implicit (ADI) method together with the successive over relaxation (SOR) technique. The flow pattern with the effect of governing parameters, namely the buoyancy ratio W, diffusocapillary ratio w, and the Hartmann number Ha, is investigated. It is revealed from the numerical simulations that the average Nusselt number decreases; whereas the average Sherwood number increases as the orientation of magnetic field is shifted from horizontal to vertical. Moreover, the effect of buoyancy due to species concentration on the flow is stronger than the one due to thermal buoyancy. The increase in diffusocapillary parameter, w caus

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ID Code: 88516
Item Type: Journal Article
Refereed: Yes
Keywords: Marangoni convection, electrically conducting fluid, square cavity, magnetic field,, chemical reaction
DOI: 10.1115/1.4026372
ISSN: 1528-8943
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 27 Oct 2015 01:05
Last Modified: 27 Oct 2015 01:05

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