冷媒直冷板沟槽-丝网复合结构制造及性能研究

doi:10.3901/JME.260471

机械工程学报 ›› 2026, Vol. 62 ›› Issue (14): 269-279.doi: 10.3901/JME.260471

• 可再生能源与工程热物理 • 上一篇下一篇

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冷媒直冷板沟槽-丝网复合结构制造及性能研究

伍春霞¹, 汤勇^2,3, 吴合槟¹, 刘彦沛², 唐恒²

1. 广东轻工职业技术大学智能制造与装备学院广州 510300;
2. 深圳大学机电与控制工程学院深圳 518000;
3. 华南理工大学机械与汽车工程学院广州 510640

收稿日期:2025-10-03 修回日期:2026-03-21 发布日期:2026-08-29
作者简介:伍春霞，女，1995年出生，博士，讲师。主要研究方向为微纳结构制造、表面功能结构制造。E-mail：2025090008@gdip.edu.cn;汤勇，男，1962年出生，博士，教授，博士研究生导师。主要研究方向为表面功能结构制造、两相传热技术。E-mail：ytang@szu.edu.cn;唐恒(通信作者)，男，1989年出生，博士，特聘研究员/副教授，博士研究生导师。主要研究方向为表面功能结构制造、微结构制造。E-mail：tangheng@szu.edu.cn
基金资助:
国家自然科学基金(52475481, 52235011)、深圳市基础研究专项(JCYJ20250604182017023)和广东省基础与应用基础研究基金 (2025A1515010919)资助项目。

Performance Enhancement of Cold Plate with Groove-mesh Composite Structure for Direct Refrigerant Cooling

WU Chunxia¹, TANG Yong^2,3, WU Hebin¹, LIU Yanpei², TANG Heng²

1. College of Intelligent Manufacturing and Equipment Engineering, Guangdong Industry Polytechnic University, Guangzhou 510300;
2. College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518000;
3. School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640

Received:2025-10-03 Revised:2026-03-21 Published:2026-08-29

摘要/Abstract

摘要： 针对冷媒直冷板中工质运行状态不稳定，峰值温度高和均温性差等问题，提出一种具有毛细吸附的沟槽-丝网复合结构新型冷媒直冷板。采用高温烧结和激光加工在冷媒直冷板流道表面制备沟槽-丝网复合结构，通过设计和搭建基于真空环境的毛细上升测试平台，对沟槽-丝网复合结构的毛细性能进行测试；并验证了沟槽-丝网复合结构在冷媒直冷流道中的毛细均温性能。结果表明，激光加工后的沟槽-丝网复合结构由多级空腔结构以及表面具有微颗粒和纳米绒毛的阵列沟槽组成，较烧结丝网结构相比，其毛细性能最大可提升约一倍。此外，与未加工结构的冷板流道相比，丝网结构(#100)和沟槽-丝网复合结构(#100@WL)的流道表面最高温度分别降低了约5℃和3℃；#100和#100@WL的热源最高温度均比未加工结构表面降低了约5℃；同时，#100和#100@WL结构能使冷板流道的板面温差降低至5℃以下，#100@WL结构板面温差甚至能降低到3℃以下。

关键词: 沟槽-丝网复合结构, 冷媒直冷板, 高温烧结, 激光加工, 毛细性能

Abstract: A novel refrigerant direct cooling plate integrated with a grooved-mesh composite structure for capillary adsorption is proposed to address the issues of unstable working fluid operation, excessively high peak temperature, and poor temperature uniformity. The grooved-mesh composite structure is fabricated on the flow channel surface of the refrigerant cooling plate via high-temperature sintering combined with laser processing. A capillary rise test platform under vacuum environment was specifically designed and established to evaluate the capillary performance of the composite structure, while the capillary isothermal operational performance of this grooved-mesh composite structure in the refrigerant direct cooling flow channels is also verified through systematic experiments. The results show that the grooved-mesh composite structure processed by laser is composed of multi-level cavity structures and array grooves with micro-particles and nano-fuzz on the surface. Compared with the sintered mesh structure, its capillary performance can be increased by up to about one times. In addition, compared with the unprocessed cooling plate flow channels, the maximum surface temperatures of the flow channels equipped with wire mesh structure (#100) and grooved-wire mesh composite structure (#100@WL) are reduced by about 5 ℃ and 3 ℃, respectively. Notably, the maximum heat source temperatures for both #100 and #100@WL configurations are decreased by approximately 5 ℃ compared to the unprocessed structure. Meanwhile, both the #100 and #100@WL structures enabled the temperature difference across the cooling plate surface to be reduced to below 5 ℃, with the #100@WL composite structure achieving an even lower temperature difference of less than 3 ℃.

Key words: grooved-mesh composite structure, refrigerant direct cooling plate, high-temperature sintering, laser processing, capillary performance

中图分类号:

TK124

伍春霞, 汤勇, 吴合槟, 刘彦沛, 唐恒. 冷媒直冷板沟槽-丝网复合结构制造及性能研究[J]. 机械工程学报, 2026, 62(14): 269-279.

WU Chunxia, TANG Yong, WU Hebin, LIU Yanpei, TANG Heng. Performance Enhancement of Cold Plate with Groove-mesh Composite Structure for Direct Refrigerant Cooling[J]. Journal of Mechanical Engineering, 2026, 62(14): 269-279.

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http://www.cjmenet.com.cn/CN/Y2026/V62/I14/269

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冷媒直冷板沟槽-丝网复合结构制造及性能研究

Performance Enhancement of Cold Plate with Groove-mesh Composite Structure for Direct Refrigerant Cooling

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