Volume 33 Issue 09
Sep.  2007
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Zhang Tao, Yu Jianzu. Experiment of solid-liquid phase change in copper foam[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(09): 1021-1024. (in Chinese)
Citation: Zhang Tao, Yu Jianzu. Experiment of solid-liquid phase change in copper foam[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(09): 1021-1024. (in Chinese)

Experiment of solid-liquid phase change in copper foam

  • Received Date: 15 Sep 2006
  • Publish Date: 30 Sep 2007
  • The thermal performance of solid-liquid phase change thermal storage device which embedded with copper foam was investigated. The 98% pure Heneicosane (C21H44) was used as the phase change material (PCM), and it was filled in the copper foam through a vacuuming procedure. The PCM and the copper foam were sealed and insulated to get the test vessel. An aluminum bed plate which embedded with heating rods was used to heat the test vessel, and the temperature of the vessel was measured by some plate-type and probe-type platinum-resistance thermocouples (pt100) and collected by a data acquisition unit. The temperature variation curves under various heating power were plotted and the results were discussed. Experimental results indicate that, the thermal conductivity and performance of the phase change thermal storage device is obviously improved while copper foam as a heat transfer enhancement.

     

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