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Influence of two internal irreversibilities on the new thermo-ecological criterion for three-heat-source refrigerators

Authors
Journal
International Journal of Refrigeration
0140-7007
Publisher
Elsevier
Volume
38
Identifiers
DOI: 10.1016/j.ijrefrig.2013.09.040
Keywords
  • Absorption Refrigeration System
  • Internal Irreversibility
  • Optimization
  • Ecological Coefficient Of Performance
  • System Système Frigorifique à Absorption
  • Irréversibilité Interne
  • Optimisation
  • Coefficient De Performance écologique
Disciplines
  • Design
  • Ecology

Abstract

Abstract Irreversibility is a phenomenon that affects much the performance of absorption refrigeration systems. Internal irreversibility is produced by the dissipation of the working fluid. This paper studies and analyzes the effect of two internal irreversibilities parameters (the internal irreversibility parameter for generator–absorber assembly and the internal irreversibility parameter for condenser–evaporator assembly) on the optimal ecological performances of an irreversible three-heat-source absorption refrigerator based on the ECOP criterion. The results obtained show that the internal irreversibility parameter for condenser–evaporator assembly affects more the ecological performance of the system than the internal irreversibility parameter for generator–absorber assembly. This is of importance to the optimal design and performance improvement of absorption refrigeration cycles.

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