摘要
通过电化学沉积处理方法,在铜沟槽管内部制备多孔复合吸液芯。使用扫描电镜对复合吸液芯的表面形貌进行观察,探究了不同电沉积时间对该复合吸液芯毛细性能的影响,并对采用该复合吸液芯的热管传热性能进行研究。结果表明,相对于沟槽吸液芯,经电化学沉积处理过的复合吸液芯具有更好的毛细性能,且毛细性能随沉积时间的增长而减弱。沉积时间为10 min时,复合吸液芯的毛细性能最好,毛细上升高度为49.5 mm;与沟槽吸液芯相比,毛细上升高度提升了62.3%,其对应热管的温差最小,热阻也最低。
The electrochemical deposition method was used to fabricate porous composite wick on the inner wall of the grooved copper tube.The surface morphology of the composite wick was observed and analyzed by SEM,and the influence of electrodeposition time on the capillary performance was explored.The heat transfer performance of the heat pipe using the composite wick was studied.The results show that the compared with the grooved wick,the electrochemical deposition treated composite wick has better capillary performance,and the capillary performance decreases with the increase of the deposition time.When the electrodeposition time is 10 min,the composite wick has the best capillary performance,and the capillary rise height is 49.5 mm.Compared with the grooved wick,the capillary rise height increases by 62.3%.The corresponding heat pipe has the lowest temperature difference and thermal resistance.
作者
范东强
聂聪
段龙华
FAN Dongqiang;NIE Cong;DUAN Longhua(School of Mechanical Automotive Engineering,South China University of Technology,Guangzhou 510640,China)
出处
《热加工工艺》
北大核心
2021年第18期79-82,共4页
Hot Working Technology
关键词
电化学沉积
多孔复合吸液芯
毛细性能
传热性能
electrochemical deposition
porous composite wick
capillary performance
heat transfer performance
