Abstract
In this concluding companion work to Angirasa et al. [Int. J. Heat Mass Transfer37, 2439–2463 (1994)] a parametric numerical study of two-dimensional (2D) buoyancy-induced flow and heat transfer over L-shaped corners with asymmetric heating is reported. Both the horizontal and vertical surfaces are isothermal and are maintained at different temperatures above ambient temperature. The effect of changing horizontal surface temperature on flow and heat transfer over a square corner is discussed in detail. The influence of aspect ratio (length of horizontal surface: height of vertical surface) is examined. The Prandtl number is shown to have significant influence on flow and transport. For high Pr, unsteady flows result with multiple plume formations on the horizontal surface. Nusselt number data are presented for a wide range of parameters studied. Flow visualization using smoke demonstrate interesting flow characteristics revealed by the numerical simulations.
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