Article(id=1217836022331786067, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1217836019408360416, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202501012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1736697600000, receivedDateStr=2025-01-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1768284334023, onlineDateStr=2026-01-13, pubDate=1764000000000, pubDateStr=2025-11-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1768284334023, onlineIssueDateStr=2026-01-13, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1768284334023, creator=13701087609, updateTime=1768284334023, updator=13701087609, issue=Issue{id=1217836019408360416, tenantId=1146029695717560320, journalId=1210938733613449225, year='2025', volume='54', issue='11', pageStart='1', pageEnd='168', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1768284333326, creator=13701087609, updateTime=1768284453982, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1217836525543408117, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1217836019408360416, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1217836525543408118, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1217836019408360416, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=42, endPage=48, ext={EN=ArticleExt(id=1217836023015457631, articleId=1217836022331786067, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Quantitative analysis and multi-objective optimization of Brayton cycle based on artificial neural network method, columnId=1217836020075254754, journalTitle=Thermal Power Generation, columnName=Advanced power cycle technology, runingTitle=null, highlight=null, articleAbstract=
The Brayton cycle is widely recognized as a key power cycle in the third-generation solar thermal power generation technology. Leveraging the strengths of artificial neural network methods for importance evaluation and quantitative analysis, this research employs a control variable approach to identify critical parameters, including turbine inlet temperature and compression ratio, from a range of operating parameters. In this method, the significance of parameters increases as the R2 value decreases. Notably, when excluding these key parameters, the R2 values fall to 0.57 and 0.64, respectively, both are lower than other operating parameters. Furthermore, the quantitative analysis of output power in the Brayton cycle yields exceptional results, achieving an R2 value exceeding 0.999. The R2 values for thermal efficiency and input heat are 0.992 and 0.988, respectively. Finally, the multi-objective optimization results suggest optimal settings of 500 ℃ for turbine inlet temperature and 2.19 for the compression ratio, corresponding to a thermal efficiency of 46.58%, output power of 100.97 kJ/kg, and input heat of –176.5 kJ/kg. This study offers valuable insights for the operational efficiency and performance assessment of the Brayton cycle in solar thermal power plants.
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布雷顿循环被公认为第三代太阳能热发电技术的动力循环,得益于神经网络方法具有重要度评估和定量分析等优势。首先,采用控制变量法从多个运行参数中筛选出透平机进口温度和压缩比等重要参数,控制变量法中重要度随着R2值的降低而增加,当不含上述重要参数时,其对应的R2值分别降低到0.57和0.64,均低于其余运行参数;然后,采用布雷顿循环中的输出功定量分析结果,其R2值大于0.999,其中热效率和输入热量的R2值分别为0.992和0.988;最后,通过多目标优化结果所推荐的透平机进口温度和压缩比值分别为500 ℃和2.19,相对应的热效率、输出功和输入热量分别为46.58%、100.97 kJ/kg和–176.5 kJ/kg。该研究可作为光热电站布雷顿循环的实际运行和性能研究的参考。
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, authorsList=顾新壮, 李青芯, 石明, 杨瑞睿, 殷岳, 杨航, 马文明, 魏务卿, 周朔晨, 陈昊芃)}, authors=[Author(id=1217836024986780633, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=xzgu@outlook.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1217836025104221151, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, authorId=1217836024986780633, language=EN, stringName=Xinzhuang GU, firstName=Xinzhuang, middleName=null, lastName=GU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=Shanghai Investigation, Design & Research Institute Co, Ltd, Shanghai 200335, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1217836025234244587, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, authorId=1217836024986780633, language=CN, stringName=顾新壮, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=上海勘测设计研究院有限公司,上海 200335, bio={"content":"
顾新壮(1996),男,博士,主要研究方向为布雷顿动力循环及其相关技术,xzgu@outlook.com。
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顾新壮(1996),男,博士,主要研究方向为布雷顿动力循环及其相关技术,xzgu@outlook.com。
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布雷顿循环定量分析及多目标优化思路, figureFileSmall=1DlIc4l5gUXl+6+kR5IzRg==, figureFileBig=deUTF9jvHMJRSaIL5wP9QQ==, tableContent=null), ArticleFig(id=1217836031995461950, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=EN, label=Fig.2, caption=
Comparison of thermal efficiency between the simulation result and reference [13], figureFileSmall=zw/2Hz5ZCHv0ZY6YjNyHSg==, figureFileBig=Nw6ZJ1OjQvhM231SuIScYA==, tableContent=null), ArticleFig(id=1217836032075153733, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=CN, label=图2, caption=
模拟结果与文献[13]的热效率对比分析, figureFileSmall=zw/2Hz5ZCHv0ZY6YjNyHSg==, figureFileBig=Nw6ZJ1OjQvhM231SuIScYA==, tableContent=null), ArticleFig(id=1217836032180011338, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=EN, label=Fig.3, caption=
R2 and δRMSE values for seven operational parameters, figureFileSmall=wcXLlmDTBixtlaHQtMjOGQ==, figureFileBig=5ZuP3kuvz01DWU1GVS6Khg==, tableContent=null), ArticleFig(id=1217836032305840466, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=CN, label=图3, caption=
7个运行参数的R2和δRMSE值, figureFileSmall=wcXLlmDTBixtlaHQtMjOGQ==, figureFileBig=5ZuP3kuvz01DWU1GVS6Khg==, tableContent=null), ArticleFig(id=1217836032389726552, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=EN, label=Fig.4, caption=
Parameter importance analysis based on controlled variable method: taking ηtur as an example, figureFileSmall=b2PLc5HdZ9pFeS7lpUkhmA==, figureFileBig=A3xLPrwps7t6S7UlGV8Ifg==, tableContent=null), ArticleFig(id=1217836032486195551, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=CN, label=图4, caption=
基于控制变量法的ηtur重要度分析, figureFileSmall=b2PLc5HdZ9pFeS7lpUkhmA==, figureFileBig=A3xLPrwps7t6S7UlGV8Ifg==, tableContent=null), ArticleFig(id=1217836032582664550, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=EN, label=Fig.5, caption=
Quantitative analysis of thermal efficiency in Brayton cycle, figureFileSmall=vSUP2X790tHJLZaHU6pOZA==, figureFileBig=oYHJG38njZXb07jx34GGMw==, tableContent=null), ArticleFig(id=1217836032729465198, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=CN, label=图5, caption=
布雷顿循环热效率的定量分析结果, figureFileSmall=vSUP2X790tHJLZaHU6pOZA==, figureFileBig=oYHJG38njZXb07jx34GGMw==, tableContent=null), ArticleFig(id=1217836032834322806, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=EN, label=Fig.6, caption=
Quantitative analysis of output power in Brayton cycle, figureFileSmall=04moMXHb7Y/rrKV5ebJ7hA==, figureFileBig=OomUZmMEgO/hx+X9eF6oLw==, tableContent=null), ArticleFig(id=1217836032918208890, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=CN, label=图6, caption=
布雷顿循环输出功的定量分析结果, figureFileSmall=04moMXHb7Y/rrKV5ebJ7hA==, figureFileBig=OomUZmMEgO/hx+X9eF6oLw==, tableContent=null), ArticleFig(id=1217836032989512063, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=EN, label=Fig.7, caption=
Quantitative analysis of input heat in Brayton cycle, figureFileSmall=XQMUEwMHk9DKnaN2+MKlfQ==, figureFileBig=qA5Y+krO4j6fLMt/u02rBw==, tableContent=null), ArticleFig(id=1217836033052426628, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=CN, label=图7, caption=
布雷顿循环输入热量的定量分析结果, figureFileSmall=XQMUEwMHk9DKnaN2+MKlfQ==, figureFileBig=qA5Y+krO4j6fLMt/u02rBw==, tableContent=null), ArticleFig(id=1217836033148895625, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=EN, label=Fig.8, caption=
Multi-objective optimization result of the Brayton cycle, figureFileSmall=6K1kg5idJxdoaXPReeeIVQ==, figureFileBig=JfxtxcnZB27YsILLafTSMg==, tableContent=null), ArticleFig(id=1217836033241170317, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=CN, label=图8, caption=
布雷顿循环的多目标优化结果, figureFileSmall=6K1kg5idJxdoaXPReeeIVQ==, figureFileBig=JfxtxcnZB27YsILLafTSMg==, tableContent=null), ArticleFig(id=1217836033320862098, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=EN, label=Tab.1, caption=
Key parameters of the ANN model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 内容 |
|---|
| 神经元数量 | 7-10-10-1 |
| 连接类型 | 多前馈网络 |
| 训练算法 | 批量反向传播方法 |
| 传递函数 | Tanh函数 |
| 学习率 | 0.1 |
| 动量系数 | 0.4 |
| 迭代步长 | 50 |
| 收敛误差 | 10×10–7 |
), ArticleFig(id=1217836033392165270, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=CN, label=表1, caption=
神经网络模型关键参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 内容 |
|---|
| 神经元数量 | 7-10-10-1 |
| 连接类型 | 多前馈网络 |
| 训练算法 | 批量反向传播方法 |
| 传递函数 | Tanh函数 |
| 学习率 | 0.1 |
| 动量系数 | 0.4 |
| 迭代步长 | 50 |
| 收敛误差 | 10×10–7 |
), ArticleFig(id=1217836033568326047, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=EN, label=Tab.2, caption=
The values of a1-a9 in the quantitative analysis equations for Brayton cycle
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 热效率 | 输出功 | 输入热量 |
|---|
| a1 | –1 913.596 6 | 4.898×10–3 | 5 289.980 1 |
| a2 | 3 508.644 0 | –1.109 6 | –8 366.646 2 |
| a3 | –2 484.692 9 | 0.157 2 | 4 774.367 2 |
| a4 | 855.366 5 | –0.675 8 | –1 172.530 9 |
| a5 | –143.841 5 | –126.069 5 | 111.502 4 |
| a6 | 9.485 6 | | –1.542 6 |
| a7 | 0.128 4 | | 0.298 4 |
| a8 | –1.27×10–4 | | –5.5216×10–5 |
| a9 | 5.116 9×10–8 | | 1.6762×10–8 |
), ArticleFig(id=1217836033673183652, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1217836022331786067, language=CN, label=表2, caption=
布雷顿循环定量特性公式中a1—a9数值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 热效率 | 输出功 | 输入热量 |
|---|
| a1 | –1 913.596 6 | 4.898×10–3 | 5 289.980 1 |
| a2 | 3 508.644 0 | –1.109 6 | –8 366.646 2 |
| a3 | –2 484.692 9 | 0.157 2 | 4 774.367 2 |
| a4 | 855.366 5 | –0.675 8 | –1 172.530 9 |
| a5 | –143.841 5 | –126.069 5 | 111.502 4 |
| a6 | 9.485 6 | | –1.542 6 |
| a7 | 0.128 4 | | 0.298 4 |
| a8 | –1.27×10–4 | | –5.5216×10–5 |
| a9 | 5.116 9×10–8 | | 1.6762×10–8 |
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