Article(id=1319293050938044880, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1319293032650887902, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2025.03.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1722787200000, receivedDateStr=2024-08-05, revisedDate=1737734400000, revisedDateStr=2025-01-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1792473574623, onlineDateStr=2026-10-20, pubDate=1743264000000, pubDateStr=2025-03-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792473574623, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792473574623, creator=13701087609, updateTime=1792473574623, updator=13701087609, issue=Issue{id=1319293032650887902, tenantId=1146029695717560320, journalId=1316781260334530699, year='2025', volume='53', issue='3', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1743264000000', pubDateStr='2025-03-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792473570263, creator='13701087609', updateTime=1792473570263, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=61, endPage=68, ext={EN=ArticleExt(id=1319293051139371473, articleId=1319293050938044880, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Influence of arcs of the impeller blade roots on the cavitation performance of disc pump, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To investigate the impact of the impeller design on the cavitation performance of disc pumps,a blade root arc modification method was introduced for a specific type of disc pump. The simulations employed the SST k-ε turbulence model combined with the Zwart-Gerber-Belamri cavitation model. Verification through external characteristics testing confirmed an error margin within 5%. Analysis of pressure distribution,cavitation volume,and turbulent kinetic energy within the impeller revealed that the blade root arc structure enhances both the head and efficiency of the disc pump. When the cavitation margin is 2.5 m,the head for the blade root arc model was 12.373 3 m,compared to 7.456 6 m for the original model,marking an increase of 65.94%. Under different cavitation margin (2.5,3.0,8.0,12.0 m),the average pressure of the blade root arc model is 1.23%~23.13% higher than that of the original model,The diffusion of the low pressure region is suppressed,and the pressure gradient between the pressure surface and the suction surface of the impeller is reduced,lessens the cavitation volume inside the impeller,significantly reduces turbulent kinetic energy at the impeller outlet,decreases energy dissipation,and stabilizes the flow channel. In conclusion,the blade root arc model notably suppresses cavitation in disc pumps and enhances their hydraulic performance. This study provides some reference for the performance optimization design of disc pump.
, authors=Zhizheng SHI
1, Qifeng JIANG
1, 2, Weibin ZHANG
1, 2, Yaguang HENG
1, 2, Xipeng LUO
1, Yunchuan TU
1, authorsList=Zhizheng SHI, Qifeng JIANG, Weibin ZHANG, Yaguang HENG, Xipeng LUO, Yunchuan TU, authorCompany=null, correspAuthors=Qifeng JIANG, 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=1319293054847136232, articleId=1319293050938044880, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=叶根圆弧对圆盘泵空化性能的影响, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
为探究叶轮对圆盘泵空化性能的影响,以某圆盘泵为基础,提出一种叶根圆弧优化模型,采用SST k-ε湍流模型与Zwart-Gerber-Belamri空化模型对圆盘泵进行数值模拟,并进行外特性试验验证(误差<5%),分析叶轮内的压力、空泡体积和湍动能分布。结果表明,叶根圆弧结构整体提升了圆盘泵的扬程和效率;当空化余量为2.5 m时,叶根圆弧模型扬程达到了12.373 3 m,较原模型提升了65.94%;在不同的空化余量(2.5,3.0,8.0,12.0 m)下,相较于原模型,叶根圆弧模型的平均压强提升1.23%~23.13%,低压区扩散被抑制,压力面与吸力面压差降低,叶轮内空泡体积减小;叶轮出口湍动能明显降低,能量耗散减弱,整个流道流动更加稳定。叶根圆弧模型揭示了叶根圆弧通过平衡压力梯度抑制空化的机理,为圆盘泵优化设计提供了理论依据。
, authors=施芝郑
1, 江启峰
1, 2, 张惟斌
1, 2, 衡亚光
1, 2, 罗西棚
1, 涂云川
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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=fMDECQ0uH8W/JG3IVhCArw==, magXml=ZKBGgYfziwq5jxmTpJVoOA==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=QBUPKw+l7mZrTzIX7GD4Bg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=g6tz/9PlUElrU1SpJqJgYw==, mapNumber=null, fund=null)}, authors=[Author(id=1319293055249789424, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=xoxo_799@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1319293055316898290, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, authorId=1319293055249789424, language=EN, stringName=Zhizheng SHI, firstName=Zhizheng, middleName=null, lastName=SHI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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施芝郑(2000),男,硕士研究生,研究方向为圆盘泵数值模拟计算及优化设计研究,E-mall:xoxo_799@163.com。
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施芝郑(2000),男,硕士研究生,研究方向为圆盘泵数值模拟计算及优化设计研究,E-mall:xoxo_799@163.com。
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1School of Energy and Engineering,Xihua University,Chengdu 610039,China
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2西华大学 流体及动力机械教育部重点实验室,成都 610039)])], figs=[ArticleFig(id=1319293058940776984, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=EN, label=Fig.1, caption=
Program comparison diagram, figureFileSmall=7HDg92IWZcE8lk6GEw7+Vg==, figureFileBig=QBUPKw+l7mZrTzIX7GD4Bg==, tableContent=null), ArticleFig(id=1319293059049828889, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=CN, label=图1, caption=
叶根改型对比(a)原模型 (b)叶根圆弧模型
, figureFileSmall=7HDg92IWZcE8lk6GEw7+Vg==, figureFileBig=QBUPKw+l7mZrTzIX7GD4Bg==, tableContent=null), ArticleFig(id=1319293059259544090, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=EN, label=Fig.2, caption=
3D model of disc pump, figureFileSmall=JKc40GoAqMqDqjC7BV9bMA==, figureFileBig=tamVFYfpz2rbNf1rMaqXMQ==, tableContent=null), ArticleFig(id=1319293059335041563, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=CN, label=图2, caption=
圆盘泵三维模型, figureFileSmall=JKc40GoAqMqDqjC7BV9bMA==, figureFileBig=tamVFYfpz2rbNf1rMaqXMQ==, tableContent=null), ArticleFig(id=1319293059418927644, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=EN, label=Fig.3, caption=
Mesh independence analysis, figureFileSmall=cGNIZ7y0nO26fZRa5UBPzg==, figureFileBig=TxTviUyZQcPBIgSX9Y7RFg==, tableContent=null), ArticleFig(id=1319293059481842205, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=CN, label=图3, caption=
网格无关性分析, figureFileSmall=cGNIZ7y0nO26fZRa5UBPzg==, figureFileBig=TxTviUyZQcPBIgSX9Y7RFg==, tableContent=null), ArticleFig(id=1319293059561533982, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=EN, label=Fig.4, caption=
Structured mesh model of the main overcurrent components of the model pump, figureFileSmall=NhkkHbyCa0Ge4nMVu/0ItA==, figureFileBig=HtlYAbCjTCGwMG3bAxRyMw==, tableContent=null), ArticleFig(id=1319293059653808671, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=CN, label=图4, caption=
模型泵主要过流部件的结构化网格模型, figureFileSmall=NhkkHbyCa0Ge4nMVu/0ItA==, figureFileBig=HtlYAbCjTCGwMG3bAxRyMw==, tableContent=null), ArticleFig(id=1319293059741889056, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=EN, label=Fig.5, caption=
The disc pump test‑bed, figureFileSmall=9tQd7G3OHxqfXGOVa5uPzQ==, figureFileBig=xVLUIO09gApnSqTX2S2fqA==, tableContent=null), ArticleFig(id=1319293059834163745, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=CN, label=图5, caption=
圆盘泵试验台示意, figureFileSmall=9tQd7G3OHxqfXGOVa5uPzQ==, figureFileBig=xVLUIO09gApnSqTX2S2fqA==, tableContent=null), ArticleFig(id=1319293059926438434, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=EN, label=Fig.6, caption=
Comparison of experimental and simulated external characteristics of a disc pump, figureFileSmall=LinQW+q5tzK7u5gqaDU3NA==, figureFileBig=IzViqBZVltLyd56W5MX6Yw==, tableContent=null), ArticleFig(id=1319293060001935907, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=CN, label=图6, caption=
圆盘泵外特性试验与模拟对比, figureFileSmall=LinQW+q5tzK7u5gqaDU3NA==, figureFileBig=IzViqBZVltLyd56W5MX6Yw==, tableContent=null), ArticleFig(id=1319293060060656164, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=EN, label=Fig.7, caption=
External characteristic curves of original model and circular arc model, figureFileSmall=JQMyo/q3eFZvyMg+POBjRg==, figureFileBig=HqzJsTMkjKXSc+WJsv7y/w==, tableContent=null), ArticleFig(id=1319293060144542245, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=CN, label=图7, caption=
原模型与圆弧模型外特性曲线, figureFileSmall=JQMyo/q3eFZvyMg+POBjRg==, figureFileBig=HqzJsTMkjKXSc+WJsv7y/w==, tableContent=null), ArticleFig(id=1319293060211651110, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=EN, label=Fig.8, caption=
Comparison chart of cavitation characteristic curve, figureFileSmall=YPv64TJyk3HtCWwYqe6NyA==, figureFileBig=er8n2z/Es9diBc2gg7IZzA==, tableContent=null), ArticleFig(id=1319293060299731495, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=CN, label=图8, caption=
空化特性曲线对比, figureFileSmall=YPv64TJyk3HtCWwYqe6NyA==, figureFileBig=er8n2z/Es9diBc2gg7IZzA==, tableContent=null), ArticleFig(id=1319293060371034664, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=EN, label=Fig.9, caption=
The comparison of cloud diagram of static pressure distribution of modelimpeller under different cavitation allowances, figureFileSmall=nO7Mx2rb5wLO4P/icPTbeg==, figureFileBig=1Q6qYmaTxEtb+5JXZtrsBw==, tableContent=null), ArticleFig(id=1319293060459115049, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=CN, label=图9, caption=
不同空化余量下原模型和叶根圆弧模型叶轮静压分布云图对比, figureFileSmall=nO7Mx2rb5wLO4P/icPTbeg==, figureFileBig=1Q6qYmaTxEtb+5JXZtrsBw==, tableContent=null), ArticleFig(id=1319293060551389738, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=EN, label=Fig.10, caption=
Comparison of cavitation volume between original model and blade root arc model under different cavitation allowance, figureFileSmall=zLXxVKcCIoojZrdTrLFGcQ==, figureFileBig=oSb3E4ilJTLemWbgAwVPZw==, tableContent=null), ArticleFig(id=1319293060614304299, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=CN, label=图10, caption=
不同空化余量下原模型与叶根圆弧模型空泡体积对比, figureFileSmall=zLXxVKcCIoojZrdTrLFGcQ==, figureFileBig=oSb3E4ilJTLemWbgAwVPZw==, tableContent=null), ArticleFig(id=1319293060714967596, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=EN, label=Fig.11, caption=
Comparison of turbulent kinetic energy between original model and blade root arc model under different cavitation allowance, figureFileSmall=svcqblSeigvcVp4nkzm47w==, figureFileBig=rxIAehAsALAgi+fOmekN8Q==, tableContent=null), ArticleFig(id=1319293060849185325, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293050938044880, language=CN, label=图11, caption=
不同空化余量下原模型与叶根圆弧模型湍动能对比, figureFileSmall=svcqblSeigvcVp4nkzm47w==, figureFileBig=rxIAehAsALAgi+fOmekN8Q==, tableContent=null)], attaches=null, journal=Journal(id=1316780368948461702, delFlag=0, nameCn=流体机械, nameEn=Fluid Machinery, nameHistory1=null, nameHistory2=null, issn=1005-0329, eissn=null, cn=34-1144/TH, coden=null, periodic=0, language=CN, oaType=null, ccby=null, superviseOffice=null, ownerOffice=null, pubOffice=null, editorOffice=null, officeType=null, aims=null, clcCode=null, officeProv=null, officeCity=null, officeAddr=null, officeZip=null, officeEmail=null, officePhone=null, editDirector=null, officeDirector=null, officeDirectorPhone=null, officeStaffNum=null, officeEmpNum=null, coverPicUrl=T/yG2istNFJxG1qx0cqDTw==, journalPrice=null, startedYear=null, abbrevIsoEn=Fluid Machinery, journalRemark=null, publicationField=null, createdTime=1791874504560, updatedTime=1791874868033, createdBy=18614031015, updatedBy=13701087609, firstLetterCn=L, firstLetterEn=L, 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