烧结式均温板散热性能研究  被引量:2

Study on heat dissipation performance of sintered vapor chambers

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作  者:沈艳琳 王雷青 陈一 曹薇 张东辉[1] SHEN Yanlin;WANG Leiqing;CHEN Yi;CAO Wei;ZHANG Donghui(School of Energy and Power Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China)

机构地区:[1]江苏科技大学能源与动力工程学院,镇江212003

出  处:《江苏科技大学学报(自然科学版)》2020年第2期27-31,38,共6页Journal of Jiangsu University of Science and Technology:Natural Science Edition

摘  要:以烧结铜粉为毛细芯的均温板作为实验对象,研究毛细芯结构参数、充液率、加热面积对均温板传热性能的影响,并与纯铜板进行性能比较.实验结果表明:粒径为90μm的毛细芯结构均温板传热效果最好,在充注率为90%情况下均温板性能最佳,大面积热源要远低于小面积热源下的均温板热阻值.在上下板之间烧结毛细芯柱,可大大缩短回液路径,减小回液阻力,从而减小均温板热阻.Sintered vapor chambers are designed and the manufacture process is explored.The effects of wick structure,filling ratio,and heating source area on thermal resistance are investigated,and compared with copper plate.It is found that the vapor chamber with a particle size of 90μm showed better dissipation performance.The best filling ratio for the tested vapor chamber was found to be about 90%.The vapor chambers heated by large area presented higher thermal resistance than those heated by small area.The wick column could shorten the liquid supply path significantly and result in lower thermal resistance of the vapor chamber.

关 键 词:均温板 烧结铜粉 散热 热阻 

分 类 号:TK172.4[动力工程及工程热物理—热能工程]

 

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