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首页> 外文期刊>Journal of Applied Mechanics and Technical Physics >Two-phase flow patterns of a top heat mode closed loop oscillating heat pipe with check valves (THMCLOHP/CV)
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Two-phase flow patterns of a top heat mode closed loop oscillating heat pipe with check valves (THMCLOHP/CV)

机译：带止回阀的顶部加热模式闭环振荡热管的两相流型（THMCLOHP / CV）

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摘要

This research is aimed at studying the two-phase flow pattern of a top heat mode closed loop oscillating heat pipe with check valves. The working fluids used are ethanol and R141b and R11 coolants with a filling ratio of 50% of the total volume. It is found that the maximum heat flux occurs for the R11 coolant used as the working fluid in the case with the inner diameter of 1.8 mm, inclination angle of -90au broken vertical bar, evaporator temperature of 125au broken vertical bar C, and evaporator length of 50 mm. The internal flow patterns are found to be slug flow/disperse bubble flow/annular flow, slug flow/disperse bubble flow/churn flow, slug flow/bubble flow/annular flow, slug flow/disperse bubble flow, bubble flow/annular flow, and slug flow/annular flow.
机译：这项研究旨在研究带有止回阀的顶部加热模式闭环振荡热管的两相流型。所使用的工作流体为乙醇，R141b和R11冷却剂，填充率为总体积的50％。发现在以下情况下，用作工作流体的R11冷却剂会产生最大热通量：内径为1.8毫米，倾斜角为-90au垂直竖条，蒸发器温度为125au垂直竖条C，蒸发器长度50毫米发现内部流型为团状流/分散气泡流/环形流，团状流/分散气泡流/搅动流，团状流/气泡流/环形流，团状流/分散气泡流，气泡流/环形流，和段塞流/环形流。

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