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ISSN Online: 2377-424X

ISBN Print: 0-89116-909-1

International Heat Transfer Conference 9
August, 19-24, 1990 , Jerusalem, Israel

BUOYANCY AND VARIABLE PROPERTY EFFECTS IN LAMINAR AIDED CONVECTION IN A VERTICAL ANNULUS

Get access (open in a dialog) DOI: 10.1615/IHTC9.2360
pages 387-391

要約

This paper concerns a numerical study of buoyancy aided forced convection of air in a uniformly heated, vertical, concentric, circular annulus with a radius ratio of 0.25. Velocity and temperature profiles are assumed to be developing simultaneously, and thermophysical properties are temperature-dependent. It is shown that the pressure defect is increased drastically by the fluid property variation and by buoyancy forces, whereas the Nusselt number is only modestly affected by these influences.