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Title:
Performance analysis of a novel system combining a dual loop organic Rankine cycle (ORC) with a gasoline engine
Author: Wang EH; Zhang HG; Zhao Y(赵颖); Fan BY; Wu YT; Mou QH(牟乾辉)
Source: ENERGY
Issued Date: 2012-07-01
Volume: 43, Issue:1, Pages:385-395
Abstract: An organic Rankine cycle (ORC) can be used to harness the wasted heat from an internal combustion engine. In this paper, the characteristics of a novel system combining a gasoline engine with a dual loop ORC which recovers the waste heat from both the exhaust and coolant systems is analyzed. A high temperature loop recovers the exhaust heat while a low temperature loop recovers both the residual high temperature loop heat and the coolant heat. The performance map of a gasoline engine is measured on an engine test bench and the heat quantities wasted by the exhaust and coolant systems are calculated and compared within the engine's entire operating region. Based on this data, the working parameters of a dual loop ORC are defined, and the performance of a combined engine-ORC system is evaluated across this entire region. The results show that the net power of the low temperature loop is higher than that of the high temperature loop, and the relative output power improves by from 14 to 16% in the peak effective thermal efficiency region to 50% in the small load region, and the absolute effective thermal efficiency increases by 3-6% throughout the engine's operating region.
Keyword: Organic Rankine cycle ; Waste-heat recovery ; Gasoline engine ; Performance analysis ; Performance map ; Waste Heat-Recovery ; Working Fluids ; Optimization ; Selection
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: Zhang, HG ; Beijing Univ Technol, Coll Environm & Energy Engn, Pingleyuan 100, Beijing 100124, Peoples R China.
Correspondent Email: zhanghongguang@bjut.edu.cn
Related URLs: 查看原文
WOS ID: WOS:000305863400039
ISSN: 0360-5442
Rank: [Wang, E. H.;Zhang, H. G.; Fan, B. Y.; Wu, Y. T.] Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100124, Peoples R China; [Zhao, Y.] Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China; [Mu, Q. H.] Chinese Acad Sci, Bur Planning & Finance, Beijing 100864, Peoples R China
Subject: 一般力学
Department: LMFS工程地质体力学(LEM)
Classification: 一类
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/46643
Appears in Collections:流固耦合系统力学重点实验室(2012-)_期刊论文

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Recommended Citation:
Wang EH,Zhang HG,Zhao Y,et al. Performance analysis of a novel system combining a dual loop organic Rankine cycle (ORC) with a gasoline engine[J]. ENERGY,2012-07-01,43(1):385-395.
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