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International Heat Transfer Conference 4

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

AN INTERFEROMETRIC STUDY OF NATURAL CONVECTION ABOUT THE SURFACES OF A LONG RECTANGULAR BLOCK

J. D. Tarasuk
Department of Mechanical Engineering The University of Western Ontario London, Ontario, Canada, N6A 5B9

T. W. McDonald
The University of Windsor Windsor, Ontario, Canada

Robert W. Besant
Department of Mechanical Engineering, University of Saskatchewan, Saskatoon, Canada

DOI: 10.1615/IHTC4.3350
pages 1-10

Sinopsis

The effect of width and height on local natural convect Lon Nusselt numbers about heated, long rectangular parallelopipeds in air were studied. Correlations were established for the base and vertical surfaces. For the vertical surface, width caused a decrease near the leading edge and an increase near the trailing edge compared with the theoretical solutions of Ostrach and Sparrow. The lower surface results, which generally agreed with Wagner's theoretical solution, showed substantial edge effects. A variety of flow regimes may occur above the upper surface.

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