Share

IIR document

Energy and exergy performance of the IHX position in ejector expansion refrigeration systems.

Author(s) : RODRíGUEZ-MUÑOZ J. L., PÉREZ-GARCÍA V., BELMAN-FLORES J. M., et al.

Type of article: Article, IJR article

Summary

This paper presents the theoretical analysis of the influence of an internal heat exchanger (IHX) position, on an ejection-compression refrigeration system. The energy and the exergy performance are discussed by placing an IHX in two different positions: 1) Promoting the superheating in the compressor suction EC+IHX-1 and 2) promoting superheating in the suction nozzle EC+IHX-2, which is a novel configuration proposal. Both configurations are compared under air climatization conditions using the refrigerants R134a, R1234ze(E) and R290. The results show that the exergy efficiency is higher when EC+IHX-2 is used for an IHX effectiveness below 60%, and lower irreversibilities occur in the ejector with this configuration for an effectiveness value of IHX below 40%. In both cases, IHX presence promotes a decrease in the coefficient of performance.

Available documents

Format PDF

Pages: 122-131

Available

  • Public price

    20 €

  • Member price*

    Free

* Best rate depending on membership category (see the detailed benefits of individual and corporate memberships).

Details

  • Original title: Energy and exergy performance of the IHX position in ejector expansion refrigeration systems.
  • Record ID : 30024676
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 93
  • Publication date: 2018/09
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2018.06.017

Links


See other articles in this issue (25)
See the source

Indexing