Recent advances in the optimization of evaporator wicks of vapor chambers: From mechanism to fabrication technologies
Recent advances in the optimization of evaporator wicks of vapor chambers: From mechanism to fabrication technologies
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均热板蒸发器吸芯优化的最新进展：从机理到制造技术
DOI：
10.1016/j.applthermaleng.2021.116611
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发表时间：
2021-04
影响因子：
6.4
通讯作者：
Wu Jingyi
中科院分区：
文献类型：
--
作者：
Cheng Xin;Yang Guang;Wu Jingyi
对于新兴电子/光电子设备中的冷却热点的挑战，蒸汽室基于独特的被动两相冷却技术提供了一种有前途的解决方案。然而，作为蒸汽室中最关键的部件，蒸发芯在多孔结构中涉及复杂的多物理、多尺度过程，引起了人们的广泛关注。本文综述了蒸发芯的基本机理、宏观/微观尺度结构的优化策略、制造技术及其特点。此外，探索揭示了改善蒸发器芯的热性能的趋势可以被描述为：依靠先进的制造技术，通过考虑多尺度效应（例如图案化结构、分级结构和纳米纹理表面）来协同优化毛细芯吸能力、临界/干燥热通量和热阻。最后，本文对研究结果进行了总结，并对未来的研究方向进行了展望。
For the challenge of cooling hotspots in the burgeoning electronics/optoelectronics equipment, vapor chambers provide a promising solution based on a distinctive passive two-phase cooling technology. However, as the most pivotal component in vapor chambers, evaporator wicks involve complex multi-physical and multi-scale processes in porous structures, which has attracted extensive attention. This work comprehensively reviews the fundamental understanding of the inherent mechanisms of evaporator wicks, optimization strategies of macro/micro-scale structures, as well as fabrication technologies and their characteristics. Further, exploration reveals that the trend of improving the thermal performance of evaporator wicks can be described as: relying on advanced fabrication technologies to synergistically optimize capillary wicking capacity, critical/dryout heat flux and thermal resistance by considering multi-scale effects, such as patterned structures, hierarchical structures, and nano-textured surfaces. Finally, this review concludes its findings and put forward prospects for future research directions.
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影响因子：
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作者：
T. Semenic;Ying-Yu Lin;I. Catton
通讯作者：
T. Semenic;Ying-Yu Lin;I. Catton
DOI：
10.1021/acs.langmuir.7b02837
发表时间：
2017-10
期刊：
Langmuir : the ACS journal of surfaces and colloids
影响因子：
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影响因子：
6.4
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S. Cai;Ya-Chi Chen;A. Bhunia
DOI：
10.1021/acs.langmuir.6b01611
发表时间：
2016-08
期刊：
Langmuir : the ACS journal of surfaces and colloids
影响因子：
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作者：
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通讯作者：
Saitej Ravi;Ramanathan Dharmarajan;S. Moghaddam