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Energetic and exergetic analyses of ejector cooling cycle with feed pump driven by expander.

Number: pap. n.229

Author(s) : CHEN G., IERIN V., VOLOVYK O., et al.

Summary

The paper presents the results of the energy and exergy analysis of the ejector cooling cycle with feed pump driven by expander. In the proposed ejector cooling cycle the working fluid is supplied to the generator by a feed pump at the expense of work obtained from expansion of liquid refrigerant in the expander. A mathematical model is proposed to determinate the energy and exergy characteristics of the pumping device and the ejector cooling system as a whole. Refrigerant R245ca is selected as the environmentally friendly low-boiling working fluid of ejector cooling cycle in the present study. The results of the calculations show that there are operating modes of the ejector cooling cycle when its operation is unfeasible. The optimal operating conditions of the ejector cooling cycle with feed pump driven by expander are determined. In addition, the effect of the proposed pumping device on the energy and exergy losses of the cycle is investigated.

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Pages: 8

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Details

  • Original title: Energetic and exergetic analyses of ejector cooling cycle with feed pump driven by expander.
  • Record ID : 30026398
  • Languages: English
  • Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Publication date: 2019/08/24
  • DOI: http://dx.doi.org/10.18462/iir.icr.2019.0229

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