摘要
针对具有微纳米复合结构的微通道,对流动沸腾换热的沸腾起始点、换热系数、临界热流密度、流动不稳定性等问题的最新研究进展进行了综述,总结出近些年实验研究中所采用的实验方法,包括在微通道表面制作多孔型涂层、制作不同润湿性表面的微通道以及改变微通道的形状尺寸,指出了相关研究中有待解决的问题:保证微通道表面的涂层结构在实验前后保持稳定,避免微通道表面润湿性实验前后发生改变,设计制作出强化沸腾换热效果更好的具有新型结构的微通道。并对今后的发展趋势进行了展望。
According to the microchannels with micro/nano compound structures,the latest research progress of the flow boiling heat transfer are reviewed,focusing on the four key problems of the boiling incipience,heat transfer coefficient,critical heat flux and flow instability.The experimental methods used for the experiment and research in recent years are concluded,including the preparation of the porous coating on the surface of the microchannels,fabrication of the microchannels with different wettability surfaces,variation of the shape and size of the microchannels.The open problems in related researches are pointed out,i.e.ensuring the stability of the coating structure on the mircrochannel surface before and after the experiment,avoiding the wettability change of the microchannel surface before and after the experiment,designing and fabricating the microchannel with a new structure and good boiling heat transfer enhancement effect.And the development trend in the future is prospected.
出处
《微纳电子技术》
北大核心
2017年第5期311-318,共8页
Micronanoelectronic Technology
基金
国家自然科学基金资助项目(51476057)
中央高校科研业务费专项资金资助项目(2015MS47)
关键词
微通道
散热器
微纳米复合结构
流动沸腾
强化传热
microchannel
radiator
micro/nano compound structure
flow boiling
heat transfer enhancement
作者简介
赵亚东（1992-），男，河北省张家口人,硕士研究生，研究方向为微通道流动沸腾换热；
通信作者：张伟，E—mail：w．zhang@ncepu．edu．cn,张伟（1979-），男，山东省泰安人，博士，副教授，研究方向为高热流密度电子芯片冷却、多相流与相变传热及低品位能源热功转换与发电。
