Volume 38 Issue 3
May  2018
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MA Caixin, SHENG Qiang, TONG Tiefeng. Thermal Design and Simulation of a Space Phase Change Heat Exchanger[J]. Journal of Space Science, 2018, 38(3): 409-417. doi: 10.11728/cjss2018.03.409
Citation: MA Caixin, SHENG Qiang, TONG Tiefeng. Thermal Design and Simulation of a Space Phase Change Heat Exchanger[J]. Journal of Space Science, 2018, 38(3): 409-417. doi: 10.11728/cjss2018.03.409

Thermal Design and Simulation of a Space Phase Change Heat Exchanger

doi: 10.11728/cjss2018.03.409
  • Received Date: 2017-06-19
  • Rev Recd Date: 2017-12-26
  • Publish Date: 2018-05-15
  • Phase Change Material (PCM) is widely used in energy storage due to its huge latent heat. To overcome its drawback of poor thermal conductivity, a Phase Change Heat Exchangers (PCHE) which combine the advantage of heat exchanger and PCM is designed. It can be used cooling high density of heat flow rate surface in aero-space. Based on the phase change computing methods-Enthalpy method for solidification and melting model, the numerical simulation of a kind of plate PCHE, which used water and paraffin as cooling medium and phase-change material, is studied. The transient temperature distribution, solid-liquid phase interface changes and melting time are obtained under different gravity conditions. The results show the performances of PCHE satisfy the design request. comparing the results under different gravity conditions, Heat Transfer Enhancement Method (HTEM) is used by add fins and metal or ceramic foams to improve the efficiency of the PCHE under microgravity. It is valuable to the design and experiment research of space PCHE.

     

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