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Performance improvement of air source heat pump using gas-injected rotary compressor through port on blade.

Author(s) : WANG B., LIU X., SHI W.

Type of article: Article, IJR article

Summary

Gas injection has been a crucial technology to avoid the serious degradation of air source heat pumps in low ambient temperature. A novel injection structure on the blade for rotary compressors has been put forward in previous research to overcome the drawback of traditional injection structures. Based on a verified numerical model, the thermodynamic performance of an air source heat pump with the new gas-injected rotary compressor is investigated. The results indicate that, compared to the air source heat pump with the regular single-stage rotary compressor, the proposed injection structure can enhance heating capacity and COP of the air source heat pump by 23.1–28.2% and 4.5–8.1%, respectively.

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Pages: 91-98

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Details

  • Original title: Performance improvement of air source heat pump using gas-injected rotary compressor through port on blade.
  • Record ID : 30019835
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 73
  • Publication date: 2017/01

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