Gyorke, Gabor, Deiters, Ulrich K. ORCID: 0000-0001-7669-5847, Groniewsky, Axel ORCID: 0000-0002-7966-4218, Lassu, Imre and Imre, Attila R. ORCID: 0000-0003-4604-5899 (2018). Novel classification of pure working fluids for Organic Rankine Cycle. Energy, 145. S. 288 - 301. OXFORD: PERGAMON-ELSEVIER SCIENCE LTD. ISSN 1873-6785

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Abstract

Power generation from low-temperature heat sources (80-300 degrees C) like thermal solar, geothermal, biomass or waste heat has been becoming more and more significant in the last few decades. Organic Rankine Cycle (ORC) uses organic working fluids, obtaining higher thermal efficiency than with water used in traditional Rankine Cycles, because of the physical (thermodynamic) properties of these fluids. The traditional classification of pure (one-component) working fluids is based on the quality of the expanded vapour after an isentropic (adiabatic and reversible) expansion from saturated vapour state, and distinguishes merely three categories: wet, dry and isentropic working fluids. The purpose of this paper is to show the deficiencies of this traditional classification and to introduce novel categorisation mostly to help in finding the thermodynamically optimal working fluid for a given heat source. (C) 2017 Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Gyorke, GaborUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Deiters, Ulrich K.UNSPECIFIEDorcid.org/0000-0001-7669-5847UNSPECIFIED
Groniewsky, AxelUNSPECIFIEDorcid.org/0000-0002-7966-4218UNSPECIFIED
Lassu, ImreUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Imre, Attila R.UNSPECIFIEDorcid.org/0000-0003-4604-5899UNSPECIFIED
URN: urn:nbn:de:hbz:38-195947
DOI: 10.1016/j.energy.2017.12.135
Journal or Publication Title: Energy
Volume: 145
Page Range: S. 288 - 301
Date: 2018
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Place of Publication: OXFORD
ISSN: 1873-6785
Language: English
Faculty: Faculty of Mathematics and Natural Sciences
Divisions: Faculty of Mathematics and Natural Sciences > Department of Chemistry > Institute of Physical Chemistry
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
Thermodynamics; Energy & FuelsMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/19594

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