Abstract

Numerical analysis of mixed convection with surface radiation on a vertical channel is conducted. Five protruding heat sources are mounted on the left wall of the channel, and copper heat spreader is attached upon each heat source. Governing equations are solved using SIMPLER algorithm in ANSYS 16.2 software. Results are presented to depict the effects of parameters like heat spreader width (Ws = W − 2W), emissivity of heat spreader (esp = 0.1–0.9) and Reynolds number (Re 250–750) on the rate of heat transfer by fixing emissivity of heat source and substrate. It is found that with increasing spreader width and emissivity, heat transfer performance increases.

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