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By using an analytical optimization approach on a rectangular microchannel heat sink, this research aims to increase thermal efficiency and decrease pressure drop.By using a central composite design, ...the experimental setup maintains a consistent volume flow rate of 4.6 cm3/s for the water coolant. In advance of numerical study, a single symmetrical microchannel heat sink was segmented using computational fluid dynamics (CFD). In consideration of several goals, 2500 design points were developed using a response surface method-based optimization technique (RSM). The genetic algorithm used for elitist non-dominated sorting was utilised to ascertain the optimal design points in compliance with the given criteria (NSGA2). The agreement between the outcomes of the model and the current inquiry was verified by means of validation using previous experimental data. The research results indicate that as compared to the base design, there is a significant decrease of 53.29 percent in pressure drop and a potential gain of 17.27 percent in thermal performance. This improvement was achieved with the adjustment of the wall width ratio to 0.0014 and the channel aspect ratio to 1.11. The increased temperature difference may be attributed to the increased surface area contact between the silicone and the fluid, which is achieved by using 143 channels instead of 100 channels in the prior model. The use of this approach results in progress in the development of microchannel heatsinks, particularly those utilised with water-based coolants. As a result, the power consumption of the pump is decreased and the rate of heat dissipation from limited areas is accelerated.続きを見る
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Mendeley出力
p1426-1434