矩形肋片歧管微通道热沉性能研究与优化设计

doi:10.3969/j.issn.1008-0198.2025.03.001

湖南电力 ›› 2025, Vol. 45 ›› Issue (3): 1-8.doi: 10.3969/j.issn.1008-0198.2025.03.001

• 专家专栏：新能源技术发展与应用 • 下一篇

矩形肋片歧管微通道热沉性能研究与优化设计

刘亦文¹, 崔盼¹, 刘伟¹, 刘志春¹, 崔海川²

1.华中科技大学能源与动力工程学院,湖北武汉 430074;
2.东风汽车集团股份有限公司研发总院,湖北武汉 430056

收稿日期:2025-02-27 修回日期:2025-03-19 发布日期:2025-07-02
通信作者: 刘志春 (1976),男,教授,博士生导师,主要研究方向为强化传热理论与技术、电子器体散热等。崔海川(1997),男,博士研究生,主要从事新能源汽车电驱动热管理工作。
作者简介:刘亦文 (2001),男,硕士研究生,主要从事电子设备热管理研究工作。
基金资助:
国家重点研发计划项目(2022YFB4003801); 国家自然科学基金项目(52076088); 中国佛山市顺德区核心技术攻关项目(2130218002932)

Performance Study and Optimization Design of Manifold Microchannel Heat Sink With Rectangular Ribs

LiU Yiwen¹, CUi Pan¹, LiU Wei¹, LiU Zhichun¹, CUi Haichuan²

1. School of Energy and Power Engineering, Huazhong University of Science and Technology,Wuhan 430074, China;
2. Research & Development institute, Dong Feng Motor Corporation, Wuhan 430056, China

Received:2025-02-27 Revised:2025-03-19 Published:2025-07-02

摘要/Abstract

摘要： 为提升歧管微通道热沉的综合性能,提出一种新型矩形肋片歧管微通道热沉。首先通过三维模拟研究矩形肋片排布、微通道宽度、高度及肋片宽度与微通道宽度的比值对热工水力性能的影响。然后采用人工神经网络和多目标遗传算法对结构参数进行优化,最后使用TOPSiS决策算法从Pareto前沿中选出综合性能最好的参数组合。优化后,与原热沉相比,在6 m/s的入口流速下,加热面最高温度降低了6.4 K,平均换热系数提高了46.3%,总压降降低了1.85 kPa。结果表明,避开入口歧管的射流孔和出口歧管的出流孔的矩形肋片热沉具备优异的综合性能。

关键词: 电子设备冷却, 歧管微通道, 矩形肋片, 参数分析, 多目标优化

Abstract: To enhance the comprehensive performance of the manifold microchannel heat sink (MMCHS), a new manifold microchannel heat sink with rectangular ribs (MMCHS-RR) is proposed. Firstly, the three-dimensional numerical simulations are employed to investigate the effects of the arrangement of rectangular ribs, microchannel width, microchannel height, and the ratio of rectangular rib width to microchannel width on the thermal-hydraulic performance. Then the artificial neural network and a multi-objective genetic algorithm are used to optimize the structural parameters. Finally, the TOPSIS decision-making algorithm is applied to select the parameter combination with the best comprehensive performance from the Pareto front. After optimization, compared with the initial heat sink, the maximum temperature on the heated surface is reduced by 6.4 K, the average heat transfer coefficient is increased by 46.3%, and the total pressure drop is reduced by 1.85 kPa at an inlet flow rate of 6 m/s. The research results indicate that the heat sink with rectangular ribs arranged to bypass the jet holes of the inlet manifold and the outflow holes of the outlet manifold exhibits superior comprehensive performance.

Key words: electronic equipment cooling, manifold microchannel, rectangular rib, parameter analysis, multi-objective optimization

中图分类号:

TM172.4

刘亦文, 崔盼, 刘伟, 刘志春, 崔海川. 矩形肋片歧管微通道热沉性能研究与优化设计[J]. 湖南电力, 2025, 45(3): 1-8.

LiU Yiwen, CUi Pan, LiU Wei, LiU Zhichun, CUi Haichuan. Performance Study and Optimization Design of Manifold Microchannel Heat Sink With Rectangular Ribs[J]. Hunan Electric Power, 2025, 45(3): 1-8.

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矩形肋片歧管微通道热沉性能研究与优化设计

Performance Study and Optimization Design of Manifold Microchannel Heat Sink With Rectangular Ribs

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