Abstract

Numerical solutions are presented for the problem of steady laminar mixed convection in vertical and inclined parallel channels with asymmetric isothermal boundary conditions. The flow and temperature fields at the entrance are assumed to be uniform and the resulting governing equations which are elliptic in nature are discretized in a control volume approach using a vorticity-strean function formulation. Various governing parameters were:Gr/Re from about 70 to 14,000, the non dimensional temperature from 0 to 1 (symmetric heating) and the tilt angle from 30 to 90°. The aspect ratio was 10 and constant. The results are presented in terms of flow and temperature fields and Nusselt numbers.

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