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Theoretical assessment of an ejector enhanced oil flooded compression cycle.

Author(s) : LUO B.

Type of article: Article, IJR article

Summary

Compressor loss and throttling loss are major thermodynamic losses in basic vapor compression cycle. For this reason, an ejector enhanced oil flooded compression cycle is proposed. To evaluate the performance, a mathematical model is established and the performance of this cycle with R32 as the working fluid is investigated. Furthermore, basic cycle, ejector enhanced basic cycle and oil flooded compression cycle have also been investigated. The comparison results show that the developed cycle has a maximum of 4.3% and 4% COP improvement at the evaporation temperature of -25?°C and the condensation temperature of 45?°C over the oil flooded compression cycle and the ejector enhanced basic cycle respectively. In addition, the effects of internal heat exchanger on the developed cycle are also studied. In comparison to the ejector enhanced basic cycle with 50% efficient internal heat exchanger, the COP improvement of the developed cycle rises up to a maximum of 8.5%. The results show that the proposed cycle has large potential applications for the ejector cycle enhancement.

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Pages: 154-162

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Details

  • Original title: Theoretical assessment of an ejector enhanced oil flooded compression cycle.
  • Record ID : 30019841
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 73
  • Publication date: 2017/01

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