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Performance analysis of a zeotropic mixture ( R290/CO2) for trans-critical power cycle
Pan LS(潘利生); Wei XL(魏小林); Shi WX(史维秀); Pan, LS (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China.
Source PublicationChinese Journal of Chemical Engineering
2015-03
Volume23Issue:3Pages:572-577
ISSN1004-9541
AbstractLow critical temperature limits the application of CO2 trans-critical power cycle. The binary mixture of R290/CO2 has higher critical temperature. Using mixture fluid may solve the problem that subcritical CO2 is hardly condensed by conventional cooling water. In this article, theoretical analysis is executed to study the performance of the zeotropic mixture for trans-critical power cycle using low-grade liquid heat source with temperature of 200 degrees C. The results indicated that the problem that CO2 can't be condensed in power cycle by conventional cooling water can be solved by mixing R290 to CO2. Variation trend of outlet temperature of thermal oil in supercritical heater with heating pressure is determined by the composition of the mixture fluid. Gliding temperature causes the maximum outlet temperature of cooling water with the increase of mass fraction of R290. There are the maximum values for cycle thermal efficiency and net power output with the increase of supercritical heating pressure. (C) 2015 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.
KeywordCo2 R290 Zeotropic Mixture Low-grade Heat Energy Trans-critical Power Cycle
Subject AreaEngineering, Chemical
DOI10.1016/j.cjche.2014.04.003
URL查看原文
Indexed BySCI ; EI ; CSCD
Language英语
WOS IDWOS:000351861400016
WOS KeywordORGANIC RANKINE-CYCLE ; WORKING FLUIDS ; SUPERCRITICAL CO2 ; TEMPERATURE ; SELECTION ; CAPTURE
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Natural Science Foundation of China [51306198]
DepartmentLHD高效洁净燃烧(CPCR)
ClassificationQ3
RankingTrue
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49915
Collection高温气体动力学国家重点实验室
Corresponding AuthorPan, LS (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Pan LS,Wei XL,Shi WX,et al. Performance analysis of a zeotropic mixture ( R290/CO2) for trans-critical power cycle[J]. Chinese Journal of Chemical Engineering,2015,23(3):572-577.
APA Pan LS,Wei XL,Shi WX,&Pan, LS .(2015).Performance analysis of a zeotropic mixture ( R290/CO2) for trans-critical power cycle.Chinese Journal of Chemical Engineering,23(3),572-577.
MLA Pan LS,et al."Performance analysis of a zeotropic mixture ( R290/CO2) for trans-critical power cycle".Chinese Journal of Chemical Engineering 23.3(2015):572-577.
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