Study on improvement of pulsating heat pipe by solid particles, and its heat transport mechanism
Study on improvement of pulsating heat pipe by solid particles, and its heat transport mechanism
批准号:
20560180
负责人:
NAGASAKI Takao
金额:
$3.0万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2010
中文摘要
利用12圈铜管脉动热管实验装置,研究了小颗粒固体对脉动热管性能的影响。将氧化铝、铜或银颗粒添加到工作流体、水、乙醇或R141 b中,并且详细阐明了通过小颗粒增强热传输性能。此外,通过对方形直槽内液柱振荡的可视化实验和分析,对PHP的机理进行了探讨。
英文摘要
The effect of small solid particles on the performance of pulsating heat pipes (PHPs) was investigated using a 12 turn PHP made of copper tubes. Alumina, copper or silver particles were added into the working fluid, water, ethanol or R141b, and the enhancement of heat transport performance by small particles was clarified in detail. In addition, the mechanism of PHP was investigated by a visualization experiment and analysis on the oscillation of a liquid column in a square straight channel.
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