充液率对单环路脉动热管启动运行的影响(3)

 

[6] 刘静,马坤全.以低熔点金属及普通流体作流动工质的脉冲热管

图12 不同充液率下传热效果评价

Fig. 12 Heat transfer performance comparison of

different filling ratio

70%充液率的传热效果优于50%。稳定运行中,由于充液率一定程度的增高,产生气泡后形成的密度差对于工质定向循环流动也会产生一定的驱动力,进一步形成流动上的脉动,强化传热。


第17期 王宇等:充液率对单环路脉动热管启动运行的影响 85

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收稿日期:2010-09-17。 作者简介:

王宇(1980),男,博士研究生,主要从事强化换热及节能技术研究工作,wy41523@126.com。

王宇

(责任编辑 车德竞)

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