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Investigation of low power operation in a loop heat pipe

机译:环路热管低功率运行研究

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This paper presents test results of an experimental study of low power operation in a loop heat pipe. The main objective was to demonstrate how changes in the vapor void fraction inside the evaporator core would affect the loop behavior. The fluid inventory and the relative tilt between the evaporator and the compensation chamber were varied so as to create different vapor void fractions in the evaporator core. The effect on the loop start-up, operating temperature, and capillary limit was investigated. Test results indicate that the vapor void fraction inside the evaporator core is the single most important factor in determining the loop operation at low powers.
机译:本文介绍了环热管低功率运行实验研究的测试结果。主要目的是展示蒸发器核心内的蒸汽空隙部分的变化会影响环路行为。变化蒸发器和补偿室之间的流体库存和相对倾斜,以便在蒸发器芯中产生不同的蒸汽空隙级分。研究了对环路启动,工作温度和毛细管限制的影响。测试结果表明蒸发器芯内的蒸汽空隙部分是在低功率下确定环路操作的单一最重要因素。

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