Abstract
The improvement of heat transfer in MEMS remains today a major challenge because its importance in many engineering applications and industry. The objective of this paper is to analyze heat transfer and irreversibility in micro flows. The case of heated horizontal microchannel filled with nanoliquid in the slip flow regime is investigated by means of the LBM method. The slip velocity and the temperature jump conditions are applied to lower and upper walls. The flow is induced by wall injection. The effects of quadratic combination of several design factors such as Reynolds number (Re), Knudsen number (Kn), volume fraction (Vf) and nanoparticles diameter (Dp) on heat transfer enhancement and volumetric entropy generation were reported and a polynomial regression for the interaction between these parameters is determinate based on response surface methodology.
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