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微槽群蒸发器在电子芯片冷却方面的应用
引用本文:胡学功,颜晓虹,赵耀华. 微槽群蒸发器在电子芯片冷却方面的应用[J]. 化工学报, 2005, 56(3): 412-416
作者姓名:胡学功  颜晓虹  赵耀华
作者单位:中国科学院工程热物理研究所,北京 100080
基金项目:中国科学院“百人计划”项目,中国科学院知识创新工程重要方向性项目.~~
摘    要:利用微槽群蒸发型热沉技术设计了一种新颖的用于电子芯片散热的微槽群蒸发器,对影响微槽群蒸发器散热性能的各种因素进行了实验研究.实验结果表明,采用适当的真空度和液容率,可以提高微槽群蒸发器的散热效果.通过与主流的奔腾4 CPU芯片风冷散热器的散热性能比较发现,在低于芯片许容上限温度(100 ℃)的范围内,微槽群蒸发器具有更高的散热热流密度;微槽群蒸发器更适用于具有高发热热通量和热敏性强的高性能电子芯片的冷却.

关 键 词:电子芯片  微槽群蒸发器  液容率  风冷散热器
文章编号:0438-1157(2005)03-0412-05
收稿时间:2003-12-25
修稿时间:2004-4-20 

Application of micro capillary groove evaporator to electronic chip cooling
HU Xuegong,YAN Xiaohong,ZHAO Yaohua. Application of micro capillary groove evaporator to electronic chip cooling[J]. Journal of Chemical Industry and Engineering(China), 2005, 56(3): 412-416
Authors:HU Xuegong  YAN Xiaohong  ZHAO Yaohua
Abstract:A novel micro capillary groove evaporator for electronic chip cooling by using the micro capillary groove heat sink technique was designed,and an experimental investigation on the influence of various factors on cooling performance of the evaporator was carried out. The experimental results showed that an appropriate vacuum degree and volume fraction of liquid should be chosen for maximizing the cooling capacity of the evaporator. Compared with a current fan-cooled radiator for CPU chip of Pentium 4, the micro capillary groove evaporator showed higher capacity when keeping the chip temperature below 100 ℃. It was suitable for cooling those electronic chips with high power and thermal sensitivity.
Keywords:electronic chip  micro capillary groove evaporator  volume fraction of liquid  fan-cooled radiator  
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