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New method of heat compensation for the defrosting of an air-source heat pump system in winter.

[In Chinese. / En chinois.]

Author(s) : CHEN C., OUYANG J., WANG X., et al.

Type of article: Article

Summary

Frost-removing of air-source heat pumps results in shortage of heat output, chilly airflow, and less comfortable interior environment in winter. A new method to solve the problem of frost-removing in air-source heat pump units was proposed using phase-change energy storage technique. The thermal storage equipment filled with DX40 phase-change material was connected to the air-source heat pump unit. In heating cycle, the heat pump unit provides heat to both indoor air and the phase-change heat storage equipment. In the frost-removing cycle, the thermal storage equipment provides heat to the indoor air in order to make the room comfortable, the frost-removing quicker, and the unit more efficient. The experimental results show that the air-source heat pump connected with the phase-change thermal storage equipment performs well.

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Format PDF

Pages: 37-40

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Details

  • Original title: [In Chinese. / En chinois.]
  • Record ID : 2007-1278
  • Languages: Chinese
  • Source: Journal of Refrigeration - vol. 27 - n. 4 (110)
  • Publication date: 2006/08

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