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<p>This study aims to investigate the efficient operation characteristics and energy-saving effects of the heat source tower heat pump system in low temperature and high humidity environments. First, the heat and mass transfer model of an open countercurrent heat source tower was established and the heat and mass transfer performance of the heat source tower was investigated. It was obtained that the inlet and outlet solution temperatures had a significant effect on the sensible heat exchange, and the relative humidity also had a great influence on the latent heat exchange, while the inlet solution temperature was negatively correlated with the amount of heat transfer. Finally, using actual engineering cases, the heating efficiency of the heat source tower is determined. In the low temperature and high humidity environment of January, the coefficient of performance of the heat source tower ranges from 2.18 to 2.94. Throughout the entire heating season, the seasonal performance coefficient of the heat source tower is 3.18. The research findings of this study provide a theoretical basis for the application of the heat source tower in low temperature and high humidity environments.</p>

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Study on the performance of open countercurrent heat source tower under low temperature and high humidity environment

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年7月17日

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  • Shuangying Yang,
  • Peng Liu,
  • Dinggao Xiao,
  • Yuan Li,
  • Yaxin Yang,
  • Yongfa Wang

摘要

This study aims to investigate the efficient operation characteristics and energy-saving effects of the heat source tower heat pump system in low temperature and high humidity environments. First, the heat and mass transfer model of an open countercurrent heat source tower was established and the heat and mass transfer performance of the heat source tower was investigated. It was obtained that the inlet and outlet solution temperatures had a significant effect on the sensible heat exchange, and the relative humidity also had a great influence on the latent heat exchange, while the inlet solution temperature was negatively correlated with the amount of heat transfer. Finally, using actual engineering cases, the heating efficiency of the heat source tower is determined. In the low temperature and high humidity environment of January, the coefficient of performance of the heat source tower ranges from 2.18 to 2.94. Throughout the entire heating season, the seasonal performance coefficient of the heat source tower is 3.18. The research findings of this study provide a theoretical basis for the application of the heat source tower in low temperature and high humidity environments.