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Dynamic simulation of air-source heat pump during hot-gas defrost.

Author(s) : LIU Z., TANG G., ZHAO F.

Type of article: Article

Summary

A defrost model based on fundamental conservation equations and experimental results is presented in this article. For validation of the model, a test was set up which involved a nominal 0.88 kW capacity residential air-to-air heat pump employing a capillary for expansion during defrost. The good agreement between simulations and experimental results shows that the dynamic defrost model can be used in research on heat pumps, especially for reverse cycle defrost.

Details

  • Original title: Dynamic simulation of air-source heat pump during hot-gas defrost.
  • Record ID : 2003-2556
  • Languages: English
  • Source: Applied Thermal Engineering - vol. 23 - n. 6
  • Publication date: 2003/04

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