Optimal arrangements of inlet and outlet in topology liquid-cooled microchannel heat sink based on Multi-Objective optimization

IF 4.9 2区工程技术 Q1 ENGINEERING, MECHANICAL

International Journal of Thermal Sciences Pub Date : 2024-11-18 DOI:10.1016/j.ijthermalsci.2024.109552

Dingbiao Wang , Hongyang Song , Guanghui Wang , Yushen Yang , Shuai Wang , Sa Xiang

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Abstract

Different forms of inlet and outlet arrangements in microchannel heat sinks have a significant impact on efficient heat dissipation. In this paper, under the framework of the finite element method coupled with the Method of Moving Asymptotes (MMA), three novel topology structures are proposed. Using Solid Isotropic Material with Penalization Parametrization (SIMP), the topology results with different inlet and outlet arrangements are compared and analyzed, with minimizing the average solid temperature, maximizing the heat transfer capacity and minimizing the power consumption per unit of heat transfer, and 207 sets of results are obtained. The optimized results were analyzed by the Nusselt number (Nu), the friction factor (f) and the Performance Evaluation Criterion (PEC). The results present that the heat transfer performance of the optimized three arrangements in the 207 arrangements are enhanced by 133.6 %, 112.56 % and 135.79 %, respectively, and the PECs improve up to 73.55 %, 65.54 % and 79.78 %, respectively, compared with the horizontal rib inlet and outlet liquid-cooled plate type microchannel heat sink. The results of the present work provide a reference for the optimal design of electronic heat sinks under different working conditions.

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基于多目标优化的拓扑结构液体冷却微通道散热器中进出口的优化布置

微通道散热器中不同形式的入口和出口布置对高效散热有重大影响。本文在有限元法与渐近移动法（MMA）相结合的框架下，提出了三种新型拓扑结构。利用各向同性固态材料与惩罚参数化（SIMP），对不同入口和出口布置的拓扑结构结果进行了比较和分析，得出了固体平均温度最小化、传热能力最大化和单位传热功耗最小化等 207 组结果。通过努塞尔特数（Nu）、摩擦因数（f）和性能评估标准（PEC）对优化结果进行了分析。结果表明，与水平肋片进出液冷却板式微通道散热器相比，207 组优化的三种排列方式的传热性能分别提高了 133.6 %、112.56 % 和 135.79 %，PEC 分别提高了 73.55 %、65.54 % 和 79.78 %。本研究的结果为不同工作条件下电子散热器的优化设计提供了参考。

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来源期刊

International Journal of Thermal Sciences 工程技术-工程：机械

CiteScore

8.10

自引率

11.10%

发文量

531

审稿时长

55 days

期刊介绍： The International Journal of Thermal Sciences is a journal devoted to the publication of fundamental studies on the physics of transfer processes in general, with an emphasis on thermal aspects and also applied research on various processes, energy systems and the environment. Articles are published in English and French, and are subject to peer review. The fundamental subjects considered within the scope of the journal are: * Heat and relevant mass transfer at all scales (nano, micro and macro) and in all types of material (heterogeneous, composites, biological,...) and fluid flow * Forced, natural or mixed convection in reactive or non-reactive media * Single or multi–phase fluid flow with or without phase change * Near–and far–field radiative heat transfer * Combined modes of heat transfer in complex systems (for example, plasmas, biological, geological,...) * Multiscale modelling The applied research topics include: * Heat exchangers, heat pipes, cooling processes * Transport phenomena taking place in industrial processes (chemical, food and agricultural, metallurgical, space and aeronautical, automobile industries) * Nano–and micro–technology for energy, space, biosystems and devices * Heat transport analysis in advanced systems * Impact of energy–related processes on environment, and emerging energy systems The study of thermophysical properties of materials and fluids, thermal measurement techniques, inverse methods, and the developments of experimental methods are within the scope of the International Journal of Thermal Sciences which also covers the modelling, and numerical methods applied to thermal transfer.