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Hybrid Methods in Engineering

ISSN Imprimir: 1099-2391
ISSN On-line: 2641-7359

Archives: Volume 1, 1999 to Volume 4, 2002

Hybrid Methods in Engineering

DOI: 10.1615/HybMethEng.v1.i4.60
18 pages

FREE-CONVECTION BOUNDARY LAYERS AT A THREE-DIMENSIONAL STAGNATION POINT DRIVEN BY EXOTHERMIC SURFACE REACTIONS

Derek B. Ingham
Centre for CFD, Department of Applied Mathematical Studies, The University of Leeds, Leeds, LS2 9JT, UK; Energy-2050, Faculty of Engineering, University of Sheffield, Sheffield, S10 2TN, UK
Simon D. Harris
Rock Deformation Research, School of Earth Sciences, University of Leeds, Leeds, LS2 9JT, UK
Ioan Pop
Department of Applied Mathematics, Babes-Bolyai University, 400084 Cluj-Napoca, Romania

RESUMO

The free-convection boundary-layer flow at a three-dimensional stagnation point of attachment on a curved surface, due to an exothermic catalytic chemical reaction on that surface, is considered in this article. Using a suitable transformation of variables, the governing equations are reduced to a standard free-convection problem and then solved numerically for appropriate ranges of the Prandtl and Schmidt numbers and the local curvature parameter. Bifurcation diagrams of the surface temperature and concentration as a function of the ambient temperature are analyzed.


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