Article(id=1221497398967325521, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221497393514730153, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202208168, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1659801600000, receivedDateStr=2022-08-07, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1769157274238, onlineDateStr=2026-01-23, pubDate=1682352000000, pubDateStr=2023-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769157274238, onlineIssueDateStr=2026-01-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769157274238, creator=13701087609, updateTime=1769157274238, updator=13701087609, issue=Issue{id=1221497393514730153, tenantId=1146029695717560320, journalId=1210938733613449225, year='2023', volume='52', issue='4', pageStart='1', pageEnd='166', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769157272938, creator=13701087609, updateTime=1769157397933, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1221497917878223060, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221497393514730153, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1221497917878223061, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221497393514730153, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=82, endPage=89, ext={EN=ArticleExt(id=1221497399235760989, articleId=1221497398967325521, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Performance analysis and working fluid selection of organic Rankine cycle system with variable temperature heat source based on NSGA-II algorithm, columnId=1221467202000175547, journalTitle=Thermal Power Generation, columnName=Thermal energy and science research, runingTitle=null, highlight=null, articleAbstract=

A mathematical model of subcritical organic Rankine cycle (ORC) system is established for the flue gas waste heat of 120~150 ℃. Firstly, the thermal performance and economic performance of the system are analyzed at different heat source temperatures by taking R245fa as an example. Then, a multi-objective optimization study is conducted for six pure working fluids based on NSGA-Ⅱ algorithm. At last, working fluid selection and performance analysis of the ORC system with various heat source temperatures are carried out by TOPSIS method and gray correlation analysis. The results show that, in the temperature range of this study, the increase of superheat degree and evaporator pinch point temperature difference is not conducive to improve the system performance. The optimal working fluids are varied at different heat source temperatures, when the heat source temperature is 120 ℃, R601 has the best thermal performance, R245fa has the best economic performance and R1233zd has the best overall performance. The increase of heat source temperature is beneficial to improve the economic performance of the system. The optimal evaporation temperature of each working fluid increases with the heat source temperature. The gray correlation analysis indicates that the comprehensive performance of all six working fluids improves with the heat source temperature.

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针对120~150 ℃烟气余热,建立亚临界有机朗肯循环系统的数学模型。首先以R245fa为例,在不同热源温度下对系统进行了热力性能和经济性能分析;其次选取6种纯工质,基于NSGA-Ⅱ算法对系统进行了多目标优化研究;最后通过TOPSIS法和灰色关联分析对不同热源温度下的系统进行了工质选择和性能分析。结果表明:在研究温度范围内,过热度和蒸发器夹点温差的升高均不利于提升系统性能;不同热源温度下的最佳工质不同,热源温度为120 ℃时,R601的热力性能最优,R245fa的经济性最优,R1233zd的综合性能最优;热源温度的升高有利于提升系统的经济性能,各工质的最佳蒸发温度随着热源温度的升高而升高。灰色关联分析表明,6种工质的综合性能均随着热源温度升高有所提升。

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孟祥睿(1974),男,博士,副教授,主要研究方向为低品位热能利用,
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马新灵(1977),女,博士,副教授,主要研究方向为低品位热能利用,

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马新灵(1977),女,博士,副教授,主要研究方向为低品位热能利用,

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基于NSGA-Ⅱ算法的变温度热源有机朗肯循环系统性能分析及工质选择
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马新灵 , 邱宇恒 , 孟祥睿 , 潘佳浩 , 王双全
热力发电 | 热能科学研究 2023,52(4): 82-89
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热力发电 | 热能科学研究 2023, 52(4): 82-89
基于NSGA-Ⅱ算法的变温度热源有机朗肯循环系统性能分析及工质选择
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马新灵 , 邱宇恒, 孟祥睿 , 潘佳浩, 王双全
作者信息
  • 郑州大学机械与动力工程学院,河南 郑州 450001
  • 马新灵(1977),女,博士,副教授,主要研究方向为低品位热能利用,

通讯作者:

孟祥睿(1974),男,博士,副教授,主要研究方向为低品位热能利用,
Performance analysis and working fluid selection of organic Rankine cycle system with variable temperature heat source based on NSGA-II algorithm
Xinling MA , Yuheng QIU, Xiangrui MENG , Jiahao PAN, Shuangquan WANG
Affiliations
  • School of Mechanical and Power Engineering, Zhengzhou University, Zhengzhou 450001, China
出版时间: 2023-04-25 doi: 10.19666/j.rlfd.202208168
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针对120~150 ℃烟气余热,建立亚临界有机朗肯循环系统的数学模型。首先以R245fa为例,在不同热源温度下对系统进行了热力性能和经济性能分析;其次选取6种纯工质,基于NSGA-Ⅱ算法对系统进行了多目标优化研究;最后通过TOPSIS法和灰色关联分析对不同热源温度下的系统进行了工质选择和性能分析。结果表明:在研究温度范围内,过热度和蒸发器夹点温差的升高均不利于提升系统性能;不同热源温度下的最佳工质不同,热源温度为120 ℃时,R601的热力性能最优,R245fa的经济性最优,R1233zd的综合性能最优;热源温度的升高有利于提升系统的经济性能,各工质的最佳蒸发温度随着热源温度的升高而升高。灰色关联分析表明,6种工质的综合性能均随着热源温度升高有所提升。

有机朗肯循环  /  余热回收  /  热力学分析  /  NSGA-Ⅱ算法  /  多目标优化

A mathematical model of subcritical organic Rankine cycle (ORC) system is established for the flue gas waste heat of 120~150 ℃. Firstly, the thermal performance and economic performance of the system are analyzed at different heat source temperatures by taking R245fa as an example. Then, a multi-objective optimization study is conducted for six pure working fluids based on NSGA-Ⅱ algorithm. At last, working fluid selection and performance analysis of the ORC system with various heat source temperatures are carried out by TOPSIS method and gray correlation analysis. The results show that, in the temperature range of this study, the increase of superheat degree and evaporator pinch point temperature difference is not conducive to improve the system performance. The optimal working fluids are varied at different heat source temperatures, when the heat source temperature is 120 ℃, R601 has the best thermal performance, R245fa has the best economic performance and R1233zd has the best overall performance. The increase of heat source temperature is beneficial to improve the economic performance of the system. The optimal evaporation temperature of each working fluid increases with the heat source temperature. The gray correlation analysis indicates that the comprehensive performance of all six working fluids improves with the heat source temperature.

organic Rankine cycle  /  waste heat recovery  /  thermodynamic analysis  /  NSGA-II algorithm  /  multi-objective optimization
马新灵, 邱宇恒, 孟祥睿, 潘佳浩, 王双全. 基于NSGA-Ⅱ算法的变温度热源有机朗肯循环系统性能分析及工质选择. 热力发电, 2023 , 52 (4) : 82 -89 . DOI: 10.19666/j.rlfd.202208168
Xinling MA, Yuheng QIU, Xiangrui MENG, Jiahao PAN, Shuangquan WANG. Performance analysis and working fluid selection of organic Rankine cycle system with variable temperature heat source based on NSGA-II algorithm[J]. Thermal Power Generation, 2023 , 52 (4) : 82 -89 . DOI: 10.19666/j.rlfd.202208168
  • 河南省高等学校重点科研项目(19A480005)
2023年第52卷第4期
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doi: 10.19666/j.rlfd.202208168
  • 接收时间:2022-08-07
  • 首发时间:2026-01-23
  • 出版时间:2023-04-25
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  • 收稿日期:2022-08-07
基金
Key Scientific Research Project of Colleges and Universities of Henan Province(19A480005)
河南省高等学校重点科研项目(19A480005)
作者信息
    郑州大学机械与动力工程学院,河南 郑州 450001

通讯作者:

孟祥睿(1974),男,博士,副教授,主要研究方向为低品位热能利用,
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
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Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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