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    题名: Fabrication of polydimethylsiloxane (PDMS) pulsating heat pipe
    作者: Lin, Yu-hsing;康尚文;Kang, Shung-wen;Wu, Tsung-yu
    贡献者: 淡江大學機械與機電工程學系
    关键词: PDMS;Pulsating heat pipes;Turn over the mould;Filled ratio
    日期: 2009-02-01
    上传时间: 2010-08-09 19:25:54 (UTC+8)
    出版者: Elsevier
    摘要: This paper reports on the preliminary experimental results of using polydimethylsiloxane (PDMS) to manufacture a visual pulsating heat pipe with length, width and internal diameter of 56 mm, 50 mm and 2 mm, respectively, including the manufacturing process, the vacuuming management for filling and packaging. The experiment used methanol and ethanol as working fluids. A fix filled ratio (about 60%) and different heating power values (3–8 W) were used to test the thermal performance. A high-speed video camera was used to record the working situation of the working fluid inside the channel. The results are discussed and analyzed. The experiment shows that methanol, in a vertical orientation, shows the most efficient results. When the heating power is 3 W, the thermal resistance is more than 4.5 °C/W below the value for ethanol as the working fluid. For a heating power of 4 W, the average temperature decreases to 15 °C in the evaporator. Also, gravity will have an impact on the PHP performance: the vertical orientation is better as compared to the horizontal orientation.
    關聯: Applied Thermal Engineering 29(2-3), pp.573-580
    DOI: 10.1016/j.applthermaleng.2008.03.028
    显示于类别:[機械與機電工程學系暨研究所] 期刊論文


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