Component Exergy Analysis of Solar Powered Transcritical CO2 Rankine   Cycle System

doi:10.1007/s11630-011-0457-6

CORC > 北京大学 > 工学院

	Component Exergy Analysis of Solar Powered Transcritical CO2 Rankine Cycle System
	Li, Xiaojuan ; Zhang, Xinrong
刊名	journal of thermal science
	2011
关键词	Transcritical CO2 Rankine cycle Solar energy Solar collector Component exergy analysis
DOI	10.1007/s11630-011-0457-6
英文摘要	In this paper, exergy analysis method is developed to assess a Rankine cycle system, by using supercritical CO2 as working fluid and powered by solar energy. The proposed system consists of evacuated solar collectors, throttling valve, high-temperature heat exchanger, low-temperature heat exchanger, and feed pump. The system is designed for utilize evacuated solar collectors to convert solar energy into mechanical energy and hence electricity. In order to investigate and estimate exergy performance of this system, the energy, entropy, exergy balances are developed for the components. The exergy destructions and exergy efficiency values of the system components are also determined. The results indicate that solar collector and high temperature heat exchanger which have low exergy efficiencies contribute the largest share to system irreversibility and should be the optimization design focus to improve system exergy effectiveness. Further, exergy analysis is a useful tool in this regard as it permits the performance of each process to be assessed and losses to be quantified. Exergy analysis results can be used in design, optimization, and improvement efforts.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000290070200001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Thermodynamics; Engineering, Mechanical; SCI(E); EI; 中国科学引文数据库(CSCD); 7; ARTICLE; 3; 195-200; 20
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/154752]
专题	工学院
推荐引用方式 GB/T 7714	Li, Xiaojuan,Zhang, Xinrong. Component Exergy Analysis of Solar Powered Transcritical CO2 Rankine Cycle System[J]. journal of thermal science,2011.
APA	Li, Xiaojuan,&Zhang, Xinrong.(2011).Component Exergy Analysis of Solar Powered Transcritical CO2 Rankine Cycle System.journal of thermal science.
MLA	Li, Xiaojuan,et al."Component Exergy Analysis of Solar Powered Transcritical CO2 Rankine Cycle System".journal of thermal science (2011).