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Effect of component layout on the operation of a miniature cryogenic loop heat pipe

机译:组件布局对微型低温回路热管运行的影响

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Cryogenic loop heat pipes (CLHPs) are effective and efficient cryogenic heat transport devices suitable for many space and terrestrial applications. Due to the complexity of its structure, the startup and operation of CLHPs might be influenced by the relative position of different components; however, little work has been done on this aspect. In this work, a miniature CLHP with nitrogen as the working fluid employing an auxiliary loop to assist the supercritical startup was developed. The effect of the layout of the secondary loop line and the gas reservoir on the startup and operation of the CLHP was experimentally investigated. The experimental results show that the relative position of these components can affect both the startup and steady-state operation of the CLHP. The heat transport capacity of the CLHP can be increased considerably when the secondary loop line is connected to the middle or top of the primary compensation chamber.
机译:低温回路热管(CLHP)是适用于许多空间和地面应用的有效且高效的低温热传输设备。由于其结构的复杂性,CLHP的启动和操作可能会受到不同组件的相对位置的影响。但是,这方面的工作很少。在这项工作中,开发了一种以氮气为工作液的小型CLHP,采用辅助回路来辅助超临界启动。实验研究了二次回路管线和储气罐布局对CLHP启动和运行的影响。实验结果表明,这些组件的相对位置会影响CLHP的启动和稳态运行。当次级回路管路连接到初级补偿腔的中部或顶部时,CLHP的传热能力可以大大提高。

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