Optimization of Microchannel Heat Sinks Using Genetic Algorithm |
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| Authors: | Waqar Ahmed Khan Muhammad Bilal Kadri Qasim Ali |
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| Affiliation: | 1. Department of Engineering Sciences , National University of Sciences and Technology , Karachi , Pakistan;2. Department of Electronics and Power Engineering , National University of Sciences and Technology , Karachi , Pakistan;3. Department of Mathematics , COMSATS Institute of Information Technology , Islamabad , Pakistan |
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| Abstract: | In this study, a genetic algorithm is employed to minimize the entropy generation rate in microchannel heat sinks. The entropy generation rate allows the combined effects of thermal performance and pressure drop to be assessed simultaneously as the heat sink interacts with the surrounding flow field. Previously developed models for the heat transfer, pressure drop and entropy generation rate are used in the optimization procedure. The results of optimization are compared with existing results obtained by the Newton–Raphson method. It is observed that the GA gives better overall performance of the microchannel heat sinks. |
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