Review of recent developments in advanced ejector technology

Stefan Elbel, Neal Lawrence

Research output: Contribution to journalReview articlepeer-review


Previous reviews on ejectors for expansion work recovery have provided detailed discussions of operating characteristics and control of ejector cycles, zero-dimensional ejector modeling, ejector geometry effects, and alternate ejector cycles. However, important advances in the field of ejector technology have occurred since previous reviews were written. Several focuses of recent ejector research are the development of multi-dimensional CFD ejector models, investigation of alternate ejector cycles and uses of the work recovered by the ejector, implementation of effective control strategies for ejector cycles, and application of ejectors in real systems. The objective of this paper is to present a review of developments in the use of ejectors for expansion work recovery in vapor-compression systems focusing on the past several years. Although the first commercial applications are being introduced to the market, it is suggested that future works continue in these areas in order to make ejectors more suitable for additional applications.

Original languageEnglish (US)
Pages (from-to)1-18
Number of pages18
JournalInternational Journal of Refrigeration
StatePublished - Feb 1 2016


  • Expansion work recovery
  • Experiment
  • Literature review
  • Simulation
  • Two-phase ejector

ASJC Scopus subject areas

  • Building and Construction
  • Mechanical Engineering


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