Article(id=1319293243418857899, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1319293151651676781, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2025.05.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1727539200000, receivedDateStr=2024-09-29, revisedDate=1742227200000, revisedDateStr=2025-03-18, acceptedDate=null, acceptedDateStr=null, onlineDate=1792473620513, onlineDateStr=2026-10-20, pubDate=1748534400000, pubDateStr=2025-05-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792473620513, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792473620513, creator=13701087609, updateTime=1792473620513, updator=13701087609, issue=Issue{id=1319293151651676781, tenantId=1146029695717560320, journalId=1316781260334530699, year='2025', volume='53', issue='5', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1748534400000', pubDateStr='2025-05-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792473598634, creator='13701087609', updateTime=1792473598634, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=56, endPage=63, ext={EN=ArticleExt(id=1319293247046930861, articleId=1319293243418857899, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Study on space guide vane parameter optimization for molten salt pumps based on MOEA/D algorithm, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the performance deficiencies of a molten salt pump in a 50 MW solar thermal power plant and the low flow efficiency of its flow components,the space guide vane was selected as the research subject for multi‑objective optimization design.Principal component analysis identified geometric parameters of the guide vane,determining five significant geometric parameters affecting pump performance as optimization variables:maximum outer streamline diameter of guide vane (D2),guide vane inlet angle (α1),guide vane outlet angle (α2),guide vane blade wrap angle (φ),and radial installation clearance between impeller and guide vane (L2).Support vector regression combined with RBF neural network established surrogate models between pump efficiency,head,and optimization variables.Model accuracy was analyzed by R² method (>0.95),meeting error requirements.MOEA/D algorithm optimized geometric parameters,obtaining optimal values for the guide vane.Engineering design produced optimized guide vane prototypes.Comparative analysis examined performance impacts before and after optimization.Results show optimal parameters:D2=451 mm,a1=21.2°,a2=88.1°,φ=94.5°,L2=4.5 mm.After optimization,pump head increased by 4.98%,efficiency by 4.32%.Hydraulic performance improved significantly:pressure gradient transitions became smoother,dynamic‑static pressure energy conversion efficiency increased,flow separation vortex intensity and size reduced noticeably,hydraulic losses decreased,and flow characteristics improved substantially.This study provides reference for molten salt pump optimization design.
, authors=Guangbing LIU
1, Wenping DONG
2, Tian XIA
1, 3, Honggang WEN
1, Zuchao ZHU
3, Xiaojun LI
3, Qile REN
1, authorsList=Guangbing LIU, Wenping DONG, Tian XIA, Honggang WEN, Zuchao ZHU, Xiaojun LI, Qile REN, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1319293251010548166, articleId=1319293243418857899, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=基于MOEA/D算法的熔盐泵空间导叶参数优化研究, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
针对某50 MW光热电站用熔盐泵性能不足,过流部件流动效率低下的问题,以泵空间导叶作为研究对象,开展多目标优化设计。采用主成分分析方法对导叶几何参数进行识别,确定了对泵性能影响显著的5个几何参数作为优化变量,即导叶最大外流线直径D2、导叶进口角α1、导叶出口角α2、导叶叶片包角φ和叶轮与导叶径向安装间隙L2。利用回归向量机结合RBF神经网络构建了泵效率、扬程与优化变量之间的近似模型,并通过R2方法进行模型精确度分析,其值大于0.95,满足误差要求;基于MOEA/D算法进行导叶几何参数寻优,获得优化导叶最佳几何参数取值,并进行了工程设计,得到了优化导叶样件;对比分析了导叶优化前、后对泵性能的影响规律。结果表明,最优设计参数为D2=451 mm,α1=21.2°,α2=88.1°,φ=94.5°,L2=4.5 mm,优化后泵扬程提升了4.98%,效率提升了4.32%,水力性能提升明显,泵内压力梯度变化更为平稳,其动静压能转化效率提升,流动分离涡的强度及大小均有明显削弱,水力损失降低,泵流动特性改善明显。研究结果对熔盐泵的优化设计提供参考。
, authors=刘广兵
1, 董文平
2, 夏添
1, 3, 文宏刚
1, 朱祖超
3, 李晓俊
3, 任启乐
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刘广兵(1975),男,高级工程师,主要从事泵类产品设计开发,泵测试及装备技术、泵及系统节能技术、泵故障诊断技术等研究工作,通信地址:230031安徽省合肥市长江西路888号合肥通用机械研究院有限公司,E-mail:lgb8099@126.com。
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作者向本刊所投稿件一经本刊录用,则该论文的复制权、发行权、信息网络传播权、翻译权、汇编权等权利视为自动转让给本刊。本刊为国内各主要数据库收录期刊,本刊所发表的稿件将同时通过互联网进行网络出版或提供信息服务。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=I7UxZ+2klZgMw9UoY4uiaQ==, magXml=kkdgaoEBYE+0Kg/wM8X1pQ==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=0nLGereUdRSyJNiGD9qncQ==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=FBnqfM8uXjh+NMNRqekQIQ==, mapNumber=null, fund=null)}, authors=[Author(id=1319293251522253265, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=lgb8099@126.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1319293251606139347, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, authorId=1319293251522253265, language=EN, stringName=Guangbing LIU, firstName=Guangbing, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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刘广兵(1975),男,高级工程师,主要从事泵类产品设计开发,泵测试及装备技术、泵及系统节能技术、泵故障诊断技术等研究工作,通信地址:230031安徽省合肥市长江西路888号合肥通用机械研究院有限公司,E-mail:lgb8099@126.com。
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刘广兵(1975),男,高级工程师,主要从事泵类产品设计开发,泵测试及装备技术、泵及系统节能技术、泵故障诊断技术等研究工作,通信地址:230031安徽省合肥市长江西路888号合肥通用机械研究院有限公司,E-mail:lgb8099@126.com。
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熔盐泵性能试验装置, figureFileSmall=2y0vd3qwLbB8U5wawfv6Dw==, figureFileBig=VFmpjfvBdhItB3mMzCse9w==, tableContent=null), ArticleFig(id=1319293256177930754, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=EN, label=Fig.3, caption=
Comparison of test and simulated values of external characteristics of molten salt pump, figureFileSmall=U2rQjCEpATUDl+apE2BkJg==, figureFileBig=/2KpuFs2mgVNddjsJtzmWg==, tableContent=null), ArticleFig(id=1319293256261816835, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=CN, label=图3, caption=
熔盐泵外特性试验值与模拟值对比, figureFileSmall=U2rQjCEpATUDl+apE2BkJg==, figureFileBig=/2KpuFs2mgVNddjsJtzmWg==, tableContent=null), ArticleFig(id=1319293256341508612, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=EN, label=Fig.4, caption=
Schematic illustration of geometric parameters for space guide vanes, figureFileSmall=Ppy2FuCHRIFze25HieSXeg==, figureFileBig=D+m3kgVHc/0TPA5EnlzUJg==, tableContent=null), ArticleFig(id=1319293256417006085, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=CN, label=图4, caption=
空间导叶几何参数示意, figureFileSmall=Ppy2FuCHRIFze25HieSXeg==, figureFileBig=D+m3kgVHc/0TPA5EnlzUJg==, tableContent=null), ArticleFig(id=1319293256475726342, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=EN, label=Fig.5, caption=
Principal component contribution rate of each parameter, figureFileSmall=oc+7HtiQOe59TKdCS1mmxw==, figureFileBig=7a0Kb7jg/RdJldddPr+kVw==, tableContent=null), ArticleFig(id=1319293256542835207, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=CN, label=图5, caption=
各参数的主成分贡献率, figureFileSmall=oc+7HtiQOe59TKdCS1mmxw==, figureFileBig=7a0Kb7jg/RdJldddPr+kVw==, tableContent=null), ArticleFig(id=1319293256614138376, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=EN, label=Fig.6, caption=
Latin hypercube generates initial population value distribution map, figureFileSmall=MRcCQWhbzCnf53V0AQ7Pcg==, figureFileBig=fd+rcC3xhV54SMN9AZcXzg==, tableContent=null), ArticleFig(id=1319293256689635849, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=CN, label=图6, caption=
拉丁超立方生成初始种群取值分布, figureFileSmall=MRcCQWhbzCnf53V0AQ7Pcg==, figureFileBig=fd+rcC3xhV54SMN9AZcXzg==, tableContent=null), ArticleFig(id=1319293256790299146, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=EN, label=Fig.7, caption=
Surrogate model error analysis diagram, figureFileSmall=fIL1pj0nJBqYo2g3Yh48KA==, figureFileBig=tfs60GXtWds2t7V7mp6Big==, tableContent=null), ArticleFig(id=1319293256861602315, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=CN, label=图7, caption=
代理模型误差分析, figureFileSmall=fIL1pj0nJBqYo2g3Yh48KA==, figureFileBig=tfs60GXtWds2t7V7mp6Big==, tableContent=null), ArticleFig(id=1319293258505769484, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=EN, label=Fig.8, caption=
Pareto optimal solution and population distribution after optimization, figureFileSmall=g4m8XaPTtyFgA+//RC6OTQ==, figureFileBig=6Hom4fnXe91AlD1J/f2APQ==, tableContent=null), ArticleFig(id=1319293258627404301, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=CN, label=图8, caption=
Pareto最优解和优化后种群分布, figureFileSmall=g4m8XaPTtyFgA+//RC6OTQ==, figureFileBig=6Hom4fnXe91AlD1J/f2APQ==, tableContent=null), ArticleFig(id=1319293258707096078, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=EN, label=Fig.9, caption=
Optimization target value comparison, figureFileSmall=JNlj+J8NxN1ESwyefSuoZQ==, figureFileBig=JzVw/pVQcEHY5Wcs9ZR4cw==, tableContent=null), ArticleFig(id=1319293258799370767, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=CN, label=图9, caption=
优化目标值对比, figureFileSmall=JNlj+J8NxN1ESwyefSuoZQ==, figureFileBig=JzVw/pVQcEHY5Wcs9ZR4cw==, tableContent=null), ArticleFig(id=1319293258862285329, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=EN, label=Fig.10, caption=
Axial pressure distribution of guide vane surface, figureFileSmall=//00Gj5BpC+kV9AQdVrFsg==, figureFileBig=jJZWajU01lsjwix7Enisdg==, tableContent=null), ArticleFig(id=1319293258946171410, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=CN, label=图10, caption=
导叶轴面压力分布, figureFileSmall=//00Gj5BpC+kV9AQdVrFsg==, figureFileBig=jJZWajU01lsjwix7Enisdg==, tableContent=null), ArticleFig(id=1319293259151692307, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=EN, label=Fig.11, caption=
Vortex core distribution comparison of guide vane, figureFileSmall=yojeBKfZh3EKVngAvwOi7w==, figureFileBig=zmCQBHUrkiM7vR3oPkXBoQ==, tableContent=null), ArticleFig(id=1319293259243966996, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=CN, label=图11, caption=
导叶涡核分布对比, figureFileSmall=yojeBKfZh3EKVngAvwOi7w==, figureFileBig=zmCQBHUrkiM7vR3oPkXBoQ==, tableContent=null), ArticleFig(id=1319293259323658773, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=EN, label=Tab1, caption=
Geometric parameter values of space guide vanes
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 参数 | 数值 |
|---|
| P1 | 导叶最大内流线直径D1/mm | 345 |
| P2 | 导叶最大外流线直径D2/mm | 475 |
| P3 | 导叶出口外径D3/mm | 338 |
| P4 | 导叶出口内径D4/mm | 85 |
| P5 | 导叶进口角/(°) | 22.5 |
| P6 | 导叶出口角a2/(°) | 85 |
| P7 | 导叶叶片包角φ/(°) | 80 |
| P8 | 导叶长度L1/mm | 250 |
| P9 | 叶轮与导叶径向安装间隙L2/mm | 2.5 |
), ArticleFig(id=1319293259579511318, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=CN, label=表1, caption=
空间导叶几何参数值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 参数 | 数值 |
|---|
| P1 | 导叶最大内流线直径D1/mm | 345 |
| P2 | 导叶最大外流线直径D2/mm | 475 |
| P3 | 导叶出口外径D3/mm | 338 |
| P4 | 导叶出口内径D4/mm | 85 |
| P5 | 导叶进口角/(°) | 22.5 |
| P6 | 导叶出口角a2/(°) | 85 |
| P7 | 导叶叶片包角φ/(°) | 80 |
| P8 | 导叶长度L1/mm | 250 |
| P9 | 叶轮与导叶径向安装间隙L2/mm | 2.5 |
), ArticleFig(id=1319293259650814488, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=EN, label=Tab.2, caption=
Value range of key geometric parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | P2/mm | P5/(°) | P6/(°) | P7/(°) | P9/mm |
|---|
| 最小值 | 450 | 25 | 90 | 95 | 6.5 |
| 最大值 | 500 | 20 | 80 | 65 | 1.5 |
), ArticleFig(id=1319293259730506265, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=CN, label=表2, caption=
关键几何参数取值范围
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | P2/mm | P5/(°) | P6/(°) | P7/(°) | P9/mm |
|---|
| 最小值 | 450 | 25 | 90 | 95 | 6.5 |
| 最大值 | 500 | 20 | 80 | 65 | 1.5 |
), ArticleFig(id=1319293259810198042, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=EN, label=Tab.3, caption=
Parameter optimization results comparison
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 初始参数 | 优化后参数 |
|---|
| D2/mm | 475 | 451 |
| α1/(°) | 22.5 | 21.2 |
| α2/(°) | 85 | 88.1 |
| φ/(°) | 80 | 94.5 |
| L2/mm | 2.5 | 4.5 |
), ArticleFig(id=1319293259885695515, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293243418857899, language=CN, label=表3, caption=
参数优化结果对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 初始参数 | 优化后参数 |
|---|
| D2/mm | 475 | 451 |
| α1/(°) | 22.5 | 21.2 |
| α2/(°) | 85 | 88.1 |
| φ/(°) | 80 | 94.5 |
| L2/mm | 2.5 | 4.5 |
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