| 平板式mLHP实验的稳定性分析 |
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| 引用本文： | 陈彬彬,刘志春,刘伟,杨金国,李欢.平板式mLHP实验的稳定性分析[J].工程热物理学报,2011(4):675-678. |
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| 作者姓名： | 陈彬彬 刘志春 刘伟 杨金国 李欢 |
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| 作者单位： | 华中科技大学能源与动力工程学院; |
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| 基金项目： | 国家自然科学基金(No.50876035;No.50906026); 中国博士点学科新进教师博士点基金(No.200704870487093) |
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| 摘 要： | 本文在充灌率、冷凝温度和初始状态三方面对mLHP系统的稳定性进行分析.研究发现,选择合适的充灌率有利于保证系统稳定运行.较少的充灌最时毛细芯容易缺液而导致系统启动失败,较多的充灌量时系统在低热负荷区易发生波动.过低的冷凝温度对系统稳定性有负面影响,系统容易出现温度波动甚至失稳.而毛细芯内气泡的存在,易导致了mLHP系统...
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| 关 键 词： | 平板式蒸发器 充灌率 冷凝温度 温度迟滞 |
Analysis on Stability of Miniature Loop Heat Pipe with Flat Evaporator |
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| CHEN Bin-Bin LIU Zhi-Chun LIU Wei YANG Jin-Guo LI Huan.Analysis on Stability of Miniature Loop Heat Pipe with Flat Evaporator[J].Journal of Engineering Thermophysics,2011(4):675-678. |
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| Authors: | CHEN Bin-Bin LIU Zhi-Chun LIU Wei YANG Jin-Guo LI Huan |
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| Institution: | CHEN Bin-Bin LIU Zhi-Chun LIU Wei YANG Jin-Guo LI Huan (School of Energy & Power Engineering,Huazhong University of Science & Technology,Wuhan 430074,China) |
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| Abstract: | This paper analyses the stability of miniature loop heat pipe(mLHP) at the aspects of liquid charge ratio and heat sink temperature and initial conditions.The study indicates that appropriate liquid charge ratio can keep mLHP working smoothly and stably.Due to insufficient fluid inventory,which leads to the lack of liquid in the capillary wick,the mLHP fails to start up. But when fluid inventory is excessive,the temperature oscillation occurs at low heat loads.Low heat sink temperature has negative influenc... |
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| Keywords: | flat evaporator liquid charge ratio heat sink temperature temperature hysteresis |
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