IIR document

Experimental research on vapor-injected rotary compressor through end-plate injection structure with check valve.

Author(s) : WANG B., DING Y., SHI W.

Type of article: Article, IJR article

Summary

Rotary compressors encounter severe performance degradation under low-temperature ambient conditions, and the vapor refrigerant-injection technology is one of the methods to solve this problem. Traditional vapor injection technologies provide a limited improvement in performance for rotary compressors. A novel end-plate injection structure was put forward in previous research. In this paper, a rotary compressor prototype with this novel end-plate injection structure was introduced. The performance of the vapor-injected rotary compressor was tested experimentally and compared with the regular one without vapor injection. The results indicated that, compared to a single-stage rotary compressor, a rotary compressor with the novel end-plate injection structure can enhance the heating capacity and COP by 16.2–31.6% and 5.1–12.0%, respectively.

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Pages: 131-138

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Details

  • Original title: Experimental research on vapor-injected rotary compressor through end-plate injection structure with check valve.
  • Record ID : 30025234
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 96
  • Publication date: 2018/12
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2018.08.018

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