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首页> 外文期刊>Journal of Heat Transfer >Experimental and Analytical Studies of Reciprocating- Mechanism Driven Heat Loops (RMDHLs)
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Experimental and Analytical Studies of Reciprocating- Mechanism Driven Heat Loops (RMDHLs)

机译：往复机构驱动的热环（RMDHL）的实验和分析研究

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摘要

This paper conducts experimental and analytical studies of a novel heat-transfer device, reciprocating-mechanism driven heat loop (RMDHLj that facilitates two-phase heat transfer while eliminating the so-called cavitation problem commonly encountered by a conventional pump. A RMDHL normally includes a hollow loop having an interior flow passage, an amount of working fluid filled within the loop, and a reciprocating driver. The hollow loop has an evaporator section, a condenser section, and a liquid reservoir. The reciprocating driver is integrated with the liquid reservoir and facilitates a reciprocating flow of the working fluid within the loop, so that liquid is supplied from the condenser section to the evaporator section under a substantially saturated condition and the so-called cavitation problem associated with a conventional pump is avoided. The reciprocating driver could be a solenoid-operated reciprocating driver for electronics cooling applications and a bellows-type reciprocating driver for high-temperature applications. Experimental study has been undertaken for a solenoid-operated heat loop in connection with high heat flux thermal management applications. Experimental results show that the heat loop worked very effectively and a heat flux as high as 300 W/cm~2 in the evaporator section could be handled. A working criterion has also been derived, which could provide a guidance for the design of a RMDHL.
机译：本文对新型传热装置-往复机构驱动的热回路（RMDHLj）进行了实验和分析研究，该装置有利于两相传热，同时消除了传统泵通常遇到的所谓的气蚀问题。RMDHL通常包括一个中空回路，具有内部流动通道，在回路中填充的一定量的工作流体以及往复运动驱动器；中空回路具有蒸发器部分，冷凝器部分和储液器。有利于使工作流体在环路内往复流动，从而在基本上饱和的状态下将液体从冷凝器部分供应到蒸发器部分，从而避免了与传统泵相关的所谓气蚀问题。用于电子设备冷却应用的电磁操作往复驱动器和波纹管式往复驱动器适用于高温应用的驱动器。已经针对与高热通量热管理应用相关的螺线管操作的热回路进行了实验研究。实验结果表明，热循环非常有效，蒸发器部分的热通量高达300 W / cm〜2。还得出了工作标准，可以为RMDHL的设计提供指导。

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