Thermodynamic analysis of two-phase injector for various working fluids
Kamil Leszek Śmierciew , Andrzej Pawluczuk , Jerzy Gagan , Dariusz Butrymowicz
AbstractPaper deals with thermodynamic analysis of operation of the two-phase vapour-liquid injector applied as a liquid pump for the ejection refrigeration systems or Organic Rankine Cycle systems for various working fluids. The analysis is based on formulated thermodynamic model on the basis of the developed dimensionless mass, momentum and energy conservation equations. The availability for achieving maximum discharge pressure and compression efficiency were studied on the basis of the formulated model. The analysis covers the following fluids: isobutane R600a, propane R290, R1234yf, R1234ze(E), R717, R152a, R134a, R454A and R513A. The geometry and thermodynamic parameters necessary to achieve discharge pressure higher than motive pressure as well as maximum efficiency were demonstrated for the selected working fluids.
|Journal series||Applied Thermal Engineering, ISSN 1359-4311, (N/A 140 pkt)|
|Publication size in sheets||0.6|
|Keywords in English||injector, compression efficiency, ORC, ejection refrigeration system, refrigerants, two-phase ejector|
|Internal identifier||ROC 19-20|
|Score||= 140.0, 12-02-2020, ArticleFromJournal|
|Publication indicators||: 2018 = 1.731; : 2018 = 4.026 (2) - 2018=4.022 (5)|
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