Article(id=1320037502853952302, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037457517728337, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2026.01.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1743523200000, receivedDateStr=2025-04-02, revisedDate=1760716800000, revisedDateStr=2025-10-18, acceptedDate=null, acceptedDateStr=null, onlineDate=1792651065791, onlineDateStr=2026-10-22, pubDate=1769702400000, pubDateStr=2026-01-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792651065791, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792651065791, creator=13701087609, updateTime=1792651065791, updator=13701087609, issue=Issue{id=1320037457517728337, tenantId=1146029695717560320, journalId=1316781260334530699, year='2026', volume='54', issue='1', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1769702400000', pubDateStr='2026-01-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792651054982, creator='13701087609', updateTime=1792656198886, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320059032665183153, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037457517728337, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320059032669377458, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037457517728337, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=58, endPage=65, ext={EN=ArticleExt(id=1320037503021724463, articleId=1320037502853952302, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Study on influence of blade number on backflow characteristics of lifting pump, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the issue of flow channel blockage caused by mineral particle sedimentation and backflow in a lifting pump after an emergency pump shutdown,CFD-DEM coupling method was used to numerically simulate internal solid‑liquid two‑phase flow during pump shutdown backflow conditions.The effects of changes in the number of impeller blades and diffuser blades on particle concentration distribution,particle backflow time,particle collision behavior,and backflow pass‑through rate were analyzed,and the reliability of the numerical simulation was verified through experiments.The results show an increase in the number of blades exacerbates particle accumulation and collisions in the first‑stage diffuser;optimizing blade number matching can significantly improve performance.When the number of impeller blades is 3 and the number of diffuser blades increases from 4 to 5,particle collision count decreases by 28.18%,and backflow pass‑through rate increases by 2.56%;when the number of diffuser blades is 5,increasing the number of impeller blades from 3 to 4 further reduces collision count by 12.36% and increases backflow pass‑through rate by 4.48%.The research results provide a theoretical basis for optimizing the design of lifting pumps.
, authors=Xiaochen TANG
1, Yang ZHAO
2, Wei WU
3, Houlin LIU
2, Minggao TAN
2, Jianzhen JIANG
1, authorsList=Xiaochen TANG, Yang ZHAO, Wei WU, Houlin LIU, Minggao TAN, Jianzhen JIANG, authorCompany=null, correspAuthors=Minggao TAN, 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=1320037507123753804, articleId=1320037502853952302, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=叶片数对扬矿泵回流性能的影响研究, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
针对扬矿泵在紧急停泵后,因矿物颗粒沉降回流导致的流道堵塞问题,采用CFD-DEM耦合方法对扬矿泵停泵回流工况下内部固液两相流进行数值模拟,分析叶轮叶片数和导叶叶片数变化对颗粒浓度分布、颗粒回流时间、颗粒碰撞行为及回流通过率的影响,并通过试验验证了数值模拟的可靠性。结果表明,叶片数增加会加剧首级导叶内颗粒积聚与碰撞;优化叶片数匹配可显著改善性能,当叶轮叶片数为3、导叶叶片数由4增至5时,颗粒碰撞次数下降28.18%,回流通过率提升2.56%;在导叶叶片数为5时,叶轮叶片数由3增至4,碰撞次数进一步下降12.36%,回流通过率提升4.48%。研究结果为优化扬矿泵设计提供了理论依据。
, authors=唐晓晨
1, 赵杨
2, 吴蔚
3, 刘厚林
2, 谈明高
2, 蒋建珍
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, correspAuthorsNote=
谈明高(1980),男,博士,研究员,主要从事现代泵水力优化设计,通信地址:212013江苏省镇江市学府路301号江苏大学流体机械工程技术研究中心,E-mail:
tmgwxf@ujs.edu.cn。
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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=LMmr5KwNMlaJEAVh7gYTWg==, magXml=ikucsNjEQc4pXc/nbLsl2w==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=XvwZczbOsD2/gRAsvdLMsg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=JV+NXSa2Jrq1pZITfOxBag==, mapNumber=null, fund=null)}, authors=[Author(id=1320037507576738647, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=tangxclj@yahoo.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320037507652236121, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, authorId=1320037507576738647, language=EN, stringName=Xiaochen TANG, firstName=Xiaochen, middleName=null, lastName=TANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3成都航昇机电有限责任公司,成都 611730)])], figs=[ArticleFig(id=1320037511209005948, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=EN, label=Fig.1, caption=
Computational domain of model pump, figureFileSmall=RYV+wlVz6BFWgK1lTnWUnw==, figureFileBig=XvwZczbOsD2/gRAsvdLMsg==, tableContent=null), ArticleFig(id=1320037511288697725, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=图1, caption=
模型泵计算域, figureFileSmall=RYV+wlVz6BFWgK1lTnWUnw==, figureFileBig=XvwZczbOsD2/gRAsvdLMsg==, tableContent=null), ArticleFig(id=1320037511481635710, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=EN, label=Fig.2, caption=
Different blade combination schemes, figureFileSmall=/XI/cEB0UAACtBOEyg2FDg==, figureFileBig=3XtCrerFcRVH2r91N2yr1Q==, tableContent=null), ArticleFig(id=1320037511548744575, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=图2, caption=
不同叶片组合方案, figureFileSmall=/XI/cEB0UAACtBOEyg2FDg==, figureFileBig=3XtCrerFcRVH2r91N2yr1Q==, tableContent=null), ArticleFig(id=1320037511628436352, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=EN, label=Fig.3, caption=
Model pump mesh, figureFileSmall=5kJ7J0yJwnYBYv7NGtfevw==, figureFileBig=EGzxU0RuonDtS61V9QvyOg==, tableContent=null), ArticleFig(id=1320037511716516737, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=图3, caption=
模型泵网格(a)叶轮 (b)空间导叶
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Test system, figureFileSmall=n4SWqVWERDOFGFIPzJkiXg==, figureFileBig=h1RzJswTOeff/eo1WR8l1Q==, tableContent=null), ArticleFig(id=1320037511854928771, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=图4, caption=
试验系统, figureFileSmall=n4SWqVWERDOFGFIPzJkiXg==, figureFileBig=h1RzJswTOeff/eo1WR8l1Q==, tableContent=null), ArticleFig(id=1320037511930426244, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=EN, label=Fig.5, caption=
Flow rate‑hydraulic loss curve, figureFileSmall=lzC4lSU0DN8QRs4K1XUDVg==, figureFileBig=BDIoEatTwGv68vlCJiXR2Q==, tableContent=null), ArticleFig(id=1320037512005923717, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=图5, caption=
流量-水力损失曲线, figureFileSmall=lzC4lSU0DN8QRs4K1XUDVg==, figureFileBig=BDIoEatTwGv68vlCJiXR2Q==, tableContent=null), ArticleFig(id=1320037512068838278, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=EN, label=Fig.6, caption=
Comparison between test and simulated particletrajectories in secondary diffuser, figureFileSmall=zh9mwc/LE5OODlj8Rv3b8Q==, figureFileBig=u2HVrNG4FD1wzrzlbdMzdw==, tableContent=null), ArticleFig(id=1320037512156918663, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=图6, caption=
次级导叶内颗粒运动轨迹试验与模拟对比, figureFileSmall=zh9mwc/LE5OODlj8Rv3b8Q==, figureFileBig=u2HVrNG4FD1wzrzlbdMzdw==, tableContent=null), ArticleFig(id=1320037512219833224, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=EN, label=Fig.7, caption=
Solid phase particle concentration distribution insecondary impeller, figureFileSmall=fysRHPAZR0/tO0drJfMF4w==, figureFileBig=jtELM45vsVzHlJdbfKKvWg==, tableContent=null), ArticleFig(id=1320037512299525001, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=图7, caption=
次级叶轮内固相颗粒浓度分布(a)方案1 (b)方案2 (c)方案3
, figureFileSmall=fysRHPAZR0/tO0drJfMF4w==, figureFileBig=jtELM45vsVzHlJdbfKKvWg==, tableContent=null), ArticleFig(id=1320037512383411082, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=EN, label=Fig.8, caption=
Solid phase particle concentration distribution inprimary impeller, figureFileSmall=w+SDoONYFYsCMlI5f+6e8A==, figureFileBig=i7b3pP9PxYwZ4nmpoJ7hkA==, tableContent=null), ArticleFig(id=1320037512454714251, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=图8, caption=
首级叶轮内固相颗粒浓度分布(a)方案1 (b)方案2 (c)方案3
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Solid phase particle concentration distribution insecondary diffuser, figureFileSmall=Tt/I5nKfv7G5Hhs69GzzHQ==, figureFileBig=8oCtt551DwCy2sPyal6KJg==, tableContent=null), ArticleFig(id=1320037512626680717, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=图9, caption=
次级导叶内固相颗粒浓度分布(a)方案1 (b)方案2 (c)方案3
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Solid phase particle concentration distribution inprimary diffuser, figureFileSmall=KhLOYbH0Ai+IR8UCRFv06g==, figureFileBig=r/kwEz3FDpOS82saHZ5mug==, tableContent=null), ArticleFig(id=1320037512786064271, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=图10, caption=
首级导叶内固相颗粒浓度分布(a)方案1 (b)方案2 (c)方案3
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Particle motion characteristics and velocity distribution under different configurations, figureFileSmall=WWvs+Ilt/Wj6VZQ30hiGRQ==, figureFileBig=laqj8jxDVTFbzqPk+5mZzQ==, tableContent=null), ArticleFig(id=1320037512937059217, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=图11, caption=
不同方案下颗粒运动特性及速度分布, figureFileSmall=WWvs+Ilt/Wj6VZQ30hiGRQ==, figureFileBig=laqj8jxDVTFbzqPk+5mZzQ==, tableContent=null), ArticleFig(id=1320037514618975124, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=EN, label=Fig.12, caption=
Particle collision count under different configurations, figureFileSmall=Q/YhRvq7X3a+myK9j0KPLw==, figureFileBig=IOIhasWLoDJ5uVE3qqrJRw==, tableContent=null), ArticleFig(id=1320037514681889685, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=图12, caption=
不同方案下颗粒碰撞次数, figureFileSmall=Q/YhRvq7X3a+myK9j0KPLw==, figureFileBig=IOIhasWLoDJ5uVE3qqrJRw==, tableContent=null), ArticleFig(id=1320037514740609942, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=EN, label=Fig.13, caption=
Particle collision proportion underdifferent configurations, figureFileSmall=aVufmewVa95GaI6FHWdE9g==, figureFileBig=MS5xfi6qjC8frnesZDVTNQ==, tableContent=null), ArticleFig(id=1320037514803524503, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=图13, caption=
不同方案下颗粒碰撞占比, figureFileSmall=aVufmewVa95GaI6FHWdE9g==, figureFileBig=MS5xfi6qjC8frnesZDVTNQ==, tableContent=null), ArticleFig(id=1320037514874827672, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=EN, label=Fig.14, caption=
Particle count in diffuser and impeller underdifferent configurations, figureFileSmall=69yDzPXwygUgbASHmIvbQw==, figureFileBig=8rgqB1ID6XaIrFdJ8phIJw==, tableContent=null), ArticleFig(id=1320037514941936537, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=图14, caption=
不同方案下导叶和叶轮内颗粒数量, figureFileSmall=69yDzPXwygUgbASHmIvbQw==, figureFileBig=8rgqB1ID6XaIrFdJ8phIJw==, tableContent=null), ArticleFig(id=1320037515017434010, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=EN, label=Tab.1, caption=
Mesh independence test
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 网格数/万 | 扬程/m |
|---|
| 1 | 215.04 | 19.43 |
| 2 | 284.25 | 20.64 |
| 3 | 344.15 | 21.28 |
| 4 | 423.52 | 21.78 |
| 5 | 506.61 | 21.84 |
), ArticleFig(id=1320037515092931483, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=表1, caption=
网格无关性检验
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 网格数/万 | 扬程/m |
|---|
| 1 | 215.04 | 19.43 |
| 2 | 284.25 | 20.64 |
| 3 | 344.15 | 21.28 |
| 4 | 423.52 | 21.78 |
| 5 | 506.61 | 21.84 |
), ArticleFig(id=1320037515168428956, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=EN, label=Tab.2, caption=
Interaction coefficient during EDEM calculation
, figureFileSmall=null, figureFileBig=null, tableContent=
| 相互作用 | 碰撞恢复系数 | 静摩擦系数 | 滚动摩擦系数 |
|---|
| 颗粒-颗粒 | 0.46 | 0.38 | 0.01 |
| 颗粒-泵体 | 0.52 | 0.34 | 0.01 |
), ArticleFig(id=1320037515239732125, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=表2, caption=
EDEM计算时相互作用系数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 相互作用 | 碰撞恢复系数 | 静摩擦系数 | 滚动摩擦系数 |
|---|
| 颗粒-颗粒 | 0.46 | 0.38 | 0.01 |
| 颗粒-泵体 | 0.52 | 0.34 | 0.01 |
), ArticleFig(id=1320037515315229598, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=EN, label=Tab.3, caption=
Particle backflow pass‑through rate under different configurations
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 颗粒回流通过率 |
|---|
| 方案1 | 54.33% |
| 方案2 | 56.89% |
| 方案3 | 61.37% |
), ArticleFig(id=1320037515390727071, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037502853952302, language=CN, label=表3, caption=
不同方案下颗粒回流通过率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 颗粒回流通过率 |
|---|
| 方案1 | 54.33% |
| 方案2 | 56.89% |
| 方案3 | 61.37% |
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