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Theoretical analysis on a novel hybrid refrigeration cycle with two ejectors and internal heat exchanger for domestic refrigerator-freezers

  • Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Scopus citations

Abstract

This study presents a novel domestic refrigerator-freezer refrigeration cycle (NRFC), in which two ejectors and an internal heat exchanger are employed to enhance the refrigeration performance. The theoretical investigation using environmental friendly refrigerant R600a has been carried out, the simulation results show that the NRFC exhibits higher coefficient of performance (COP) and larger cooling capacity than the conventional refrigerator-freezer cycle (CRFC) and single ejector enhanced refrigerator-freezer cycle (ERFC). Under the given operation conditions, it is found that the COP and refrigeration capacity could be improved by 22.1% and 32.0% over the conventional refrigerator-freezer cycle, respectively. The performance characteristics of the novel cycle show its potential practical advantages in domestic refrigerator-freezer systems.

Original languageEnglish
Title of host publication24th IIR International Congress of Refrigeration, ICR 2015
PublisherInternational Institute of Refrigeration
Pages1966-1973
Number of pages8
ISBN (Electronic)9782362150128
DOIs
StatePublished - 2015
Event24th IIR International Congress of Refrigeration, ICR 2015 - Yokohama, Japan
Duration: 16 Aug 2015 → 22 Aug 2015

Publication series

NameRefrigeration Science and Technology
ISSN (Print)0151-1637

Conference

Conference24th IIR International Congress of Refrigeration, ICR 2015
Country/TerritoryJapan
CityYokohama
Period16/08/15 → 22/08/15

Keywords

  • Domestic refrigerator-freezer
  • Ejector
  • Internal heat exchanger
  • Performance
  • R600a

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