| 闭式脉动热管启动性能的实验研究 |
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| 引用本文： | 刘向东,陈永平,张程宾,施明恒.闭式脉动热管启动性能的实验研究[J].宇航学报,2011(10). |
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| 作者姓名： | 刘向东 陈永平 张程宾 施明恒 |
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| 作者单位： | 东南大学能源与环境学院; |
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| 基金项目： | 江苏省自然科学基金(BK2011062) |
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| 摘 要： | 实验研究了以乙醇为工质的闭式脉动热管在不同工况下的启动性能,分析了充液率、倾斜角、热负荷对脉动热管启动性能的影响。研究发现脉动热管具有两类启动方式:温度飞升式启动和温度渐进式启动。脉动热管启动性能最优的最佳充液率范围在41%～52%之间。相同热负荷下,随着倾斜角在0°～90°范围内逐渐增大,热管启动性能将得到改善。随着热负荷的增大,启动时间缩短但最高启动温度随之升高。
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| 关 键 词： | 闭式脉动热管 启动性能 充液率 |
Experimental Study on Start-up Performance of Closed Loop Pulsating Heat Pipe |
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| LIU Xiang-dong,CHEN Yong-ping,ZHANG Cheng-bin,SHI Ming-heng.Experimental Study on Start-up Performance of Closed Loop Pulsating Heat Pipe[J].Journal of Astronautics,2011(10). |
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| Authors: | LIU Xiang-dong CHEN Yong-ping ZHANG Cheng-bin SHI Ming-heng |
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| Institution: | LIU Xiang-dong,CHEN Yong-ping,ZHANG Cheng-bin,SHI Ming-heng(School of Energy and Environment,Southeast University,Nanjing 210096,China) |
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| Abstract: | The start-up performance of closed-loop pulsating heat pipe(CLPHP) with ethanol as the working fluid under different working conditions was experimentally investigated.The influence of liquid filled ratio,inclination angle and heat load on start-up performance were analyzed.Two types of the start-up process were observed: the start-up with apparent temperature overshoot and the start-up with smooth temperature increasing.The results indicate that the optimal range of liquid filled ratio for start-up perform... |
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| Keywords: | Closed loop pulsating heat pipe(CLPHP) Start-up performance Liquid filled ratio |
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