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The driven cold plate water sublimator (SDC) represents a novel configuration currently under theoretical investigation, with numerous aspects yet to be fully elucidated. This study adopts a numerical methodology to explore the operational mechanism of the cyclic mode in water sublimator. The results show that with the cyclic alternation of evaporation, solidification, and sublimation/thawing, the thickness of ice and the ice-water interface change randomly. In addition, validation against prior experimental measurements yielded maximum errors of 0.63% for the thermal model and 8.3% for ice thickness. These studies provide a theoretical basis for the operating law of the cyclic mode of the water sublimator.

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Numerical Study on the Periodic Working Mode of the Driven Cold Plate Water Sublimation Device

  • 会议论文

  • 发表日期：

    2026年

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  • Desheng Ma,
  • Liang Ling,
  • Hao Yin,
  • Tingting Jiao,
  • Qian Cheng,
  • Liping Pang

摘要

The driven cold plate water sublimator (SDC) represents a novel configuration currently under theoretical investigation, with numerous aspects yet to be fully elucidated. This study adopts a numerical methodology to explore the operational mechanism of the cyclic mode in water sublimator. The results show that with the cyclic alternation of evaporation, solidification, and sublimation/thawing, the thickness of ice and the ice-water interface change randomly. In addition, validation against prior experimental measurements yielded maximum errors of 0.63% for the thermal model and 8.3% for ice thickness. These studies provide a theoretical basis for the operating law of the cyclic mode of the water sublimator.