| 高饱和蒸发压力氨喷雾冷却沸腾传热特性 |
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| 引用本文： | 余勇胜,王宏,朱恂,廖强,丁玉栋,杨宝海. 高饱和蒸发压力氨喷雾冷却沸腾传热特性[J]. 热科学与技术, 2011, 10(1): 32-37. DOI: 10.3969/j.issn.1671-8097.2011.01.006 |
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| 作者姓名： | 余勇胜 王宏 朱恂 廖强 丁玉栋 杨宝海 |
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| 作者单位： | 1. 重庆大学,工程热物理研究所,重庆,400030
2. 重庆大学,工程热物理研究所,重庆,400030;重庆大学,低品位能源利用及系统教育部重点实验室,重庆,400030 |
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| 基金项目： | 国家自然科学基金资助项目，"211工程"三期建设资助项目，教育部留学回国人员科研启动基金资助项目 |
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| 摘 要： | 利用冷却工质的相变蒸发带走大量热量的喷雾相变冷却技术成为大功率电子元件散热需求的最佳途径.建立了双喷嘴阵列氨喷雾相变冷却实验系统,研究了饱和蒸发压力以及进口流量对氨喷雾相变冷却传热特性的影响规律.实验结果表明:在氨喷雾相变冷却过程中,维持较高的饱和蒸发压力有利于传热系数提高,过热度降低;流量对传热特性影响较大,低流量时...
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| 关 键 词： | 喷雾冷却 液氨 流量 饱和压力 高热流密度 |
Boiling heat transfer characteristics under high saturated vapor pressure on spray cooling with ammonia |
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| YU Yong-sheng,WANG Hong,ZHU Xun,LIAO Qiang,DING Yu-dong,YANG Bao-hai. Boiling heat transfer characteristics under high saturated vapor pressure on spray cooling with ammonia[J]. Journal of Thermal Science and Technology, 2011, 10(1): 32-37. DOI: 10.3969/j.issn.1671-8097.2011.01.006 |
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| Authors: | YU Yong-sheng WANG Hong ZHU Xun LIAO Qiang DING Yu-dong YANG Bao-hai |
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| Affiliation: | YU Yong-sheng1,WANG Hong1,2,ZHU Xun1,LIAO Qiang1,DING Yu-dong1,YANG Bao-hai11.Institute of Engineering Thermophysics,Chongqing University,Chongqing 400030,China,2.Key Laboratory of Low-grade Energy Utilization Technologies and Systems,Ministry of Education |
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| Abstract: | Spray cooling technique,which can remove a large amount of heat by evaporation of working fluid,is considered as a promising cooling technology for high-power electronic components.In the present study,an spray cooling system with two pressure atomizing nozzles using ammonia as working fluid was set up to investigate the effects of saturated vapor pressure and inlet flow rate on heat transfer characteristics of the heating surface.The experimental results showed that the heat transfer coefficient was enhanc... |
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| Keywords: | spray cooling ammonia flow rate saturated pressure high heat fluxes |
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