Article(id=1319293080356900986, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1319293032650887902, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2025.03.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1723651200000, receivedDateStr=2024-08-15, revisedDate=1739116800000, revisedDateStr=2025-02-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1792473581637, onlineDateStr=2026-10-20, pubDate=1743264000000, pubDateStr=2025-03-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792473581637, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792473581637, creator=13701087609, updateTime=1792473581637, 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=44, endPage=51, ext={EN=ArticleExt(id=1319293080558227579, articleId=1319293080356900986, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Study on hydrodynamic performance of shaftless magnetic suspension centrifugal pump, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to achieve stable operation of a shaftless magnetic suspension centrifugal pump,this study investigates the hydrodynamic forces acting on the suspended rotor through numerical simulations and experimental validation. The internal flow field was analyzed under varying inlet flow rates,focusing on temporal variations of radial and axial forces. Additionally,the effects of valve plate height and rotor inlet diameter on rotor forces were examined. Results demonstrate that at 7 000 r/min with flow rates below 43.3 L/min,a stable vortex core forms at the rotor center accompanied by uniform low‑pressure distribution,yielding periodic hydraulic excitation forces with amplitude stability. At 75.0 L/min,vortex breakdown induces chaotic low‑pressure fluctuations and irregular high‑amplitude force oscillations. Valve plate height negligibly affects radial forces but significantly influences axial forces,showing a 20 N reduction per 1 mm height increase at 65.0 L/min.Although rotor inlet diameter minimally impacts force characteristics,the D+1 configuration improves efficiency by 2.1% than D configuration at high flow rate of 65.0 L/min.These findings provide critical guidelines for optimizing pump geometry to minimize rotor loads and enhance hydraulic performance.
, authors=Weicheng DIAO
1, Zhaolin CHEN
1, Beiyi WANG
2, Qiang DING
2, Tao SUN
2, authorsList=Weicheng DIAO, Zhaolin CHEN, Beiyi WANG, Qiang DING, Tao SUN, authorCompany=null, correspAuthors=Zhaolin CHEN, 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=1319293084819640484, articleId=1319293080356900986, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=无轴式磁悬浮离心泵水动力性能研究, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
为了实现无轴式磁悬浮离心泵的稳定运行,对悬浮转子的受力展开研究。采用数值计算结合试验验证的方法,对离心泵运行时的内部流场进行计算,重点研究离心泵在不同入口流量工况下,离心泵所受径向力、轴向力随时间的变化,同时探究悬浮转子内部阀片高度、转子入口直径对转子受力的影响。结果表明,离心泵在转速7 000 r/min、流量低于43.3 L/min时,离心泵悬浮转子在旋转中心处形成稳定涡核,低压区均匀分布,转子水力激振力呈稳定周期性波动;流量为75.0 L/min时,涡核破碎,转子旋转中心处低压区随时间无规则变化,转子水力激振力无规则波动,且波动幅值较高;内部阀片高度对径向力影响可以忽略,但是对轴向力影响显著,在入口流量为65.0 L/min时,阀片高度平均每增加1 mm,转子所受轴向力下降20 N;转子入口直径对转子受力影响较小,但是在高流量65.0 L/min时,D+1模型效率比D模型提高了2.1%。研究结果可为优化离心泵结构参数,减小悬浮转子受力,提高离心泵水力性能提供指导。
, authors=刁伟成
1, 陈肇麟
1, 王贝易
2, 丁强
2, 孙涛
2, authorsList=刁伟成, 陈肇麟, 王贝易, 丁强, 孙涛, authorCompany=null, correspAuthors=陈肇麟, authorNote=
, correspAuthorsNote=
陈肇麟(1986),男,讲师,主要从事特种螺旋桨设计-制作-测试一体化技术、磁悬浮风扇设计等方面研究,通信地址:210016 江苏省南京市秦淮区御道街29号南京航空航天大学航空学院,E-mail:
zhaolin_chen@nuaa.edu.cn。
, copyrightStatement=
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=Lf+/h+pvY2NRIa5fd+mHNA==, magXml=6aKI8dotKiCsH1zUJX0AMQ==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=n2121lxBxdnyVdU/EgcYaw==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=5Boevfa7dIH5gkNbhUUrKg==, mapNumber=null, fund=null)}, authors=[Author(id=1319293085205516460, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=1836756323@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1319293085281013934, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, authorId=1319293085205516460, language=EN, stringName=Weicheng DIAO, firstName=Weicheng, middleName=null, lastName=DIAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1School of Astronautics,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1319293085348122799, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, authorId=1319293085205516460, language=CN, stringName=刁伟成, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1南京航空航天大学 航空学院,南京 210016, bio={"content":"
刁伟成(1998),男,硕士研究生,主要从事离心泵结构优化,轴流风机气动设计等方面工作研究,E-mail:1836756323@qq.com。
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刁伟成(1998),男,硕士研究生,主要从事离心泵结构优化,轴流风机气动设计等方面工作研究,E-mail:1836756323@qq.com。
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Centrifugal pump model, figureFileSmall=jZIIMFL96UzRfTFuyikztQ==, figureFileBig=n2121lxBxdnyVdU/EgcYaw==, tableContent=null), ArticleFig(id=1319293087365583056, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图1, caption=
离心泵模型, figureFileSmall=jZIIMFL96UzRfTFuyikztQ==, figureFileBig=n2121lxBxdnyVdU/EgcYaw==, tableContent=null), ArticleFig(id=1319293087545938129, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig. 2, caption=
Suspended rotor model, figureFileSmall=zPTRLTKxMRI4av+B+V74bA==, figureFileBig=HHvdX6DXKkVKMuFzLgWy2w==, tableContent=null), ArticleFig(id=1319293087747264722, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图2, caption=
悬浮转子模型, figureFileSmall=zPTRLTKxMRI4av+B+V74bA==, figureFileBig=HHvdX6DXKkVKMuFzLgWy2w==, tableContent=null), ArticleFig(id=1319293087822762195, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.3, caption=
Mesh model, figureFileSmall=p2BL92wEpK6IbKRb63fIxA==, figureFileBig=rTCMqeWLDrtmrJiN0mcX3A==, tableContent=null), ArticleFig(id=1319293087898259668, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图3, caption=
网格模型, figureFileSmall=p2BL92wEpK6IbKRb63fIxA==, figureFileBig=rTCMqeWLDrtmrJiN0mcX3A==, tableContent=null), ArticleFig(id=1319293087956979925, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.4, caption=
Grid independence verification, figureFileSmall=sVDBr8emRBofUEbUUBw8VQ==, figureFileBig=XCkrv2vsK0GxiCWhhI6ItA==, tableContent=null), ArticleFig(id=1319293088040866006, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图4, caption=
网格无关性验证, figureFileSmall=sVDBr8emRBofUEbUUBw8VQ==, figureFileBig=XCkrv2vsK0GxiCWhhI6ItA==, tableContent=null), ArticleFig(id=1319293088112169175, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.5, caption=
Residual variance curves, figureFileSmall=hIUlH2j1jkPN8f8asue9Vg==, figureFileBig=pKAaCESbQksX+57oYRHqSQ==, tableContent=null), ArticleFig(id=1319293088175083736, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图5, caption=
残差曲线, figureFileSmall=hIUlH2j1jkPN8f8asue9Vg==, figureFileBig=pKAaCESbQksX+57oYRHqSQ==, tableContent=null), ArticleFig(id=1319293088246386905, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.6, caption=
Test device, figureFileSmall=lH2RuYxpwi+VsOGTiBzqKg==, figureFileBig=GMmoHcxmVhoK17aIKMbkNg==, tableContent=null), ArticleFig(id=1319293088305107162, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图6, caption=
试验装置, figureFileSmall=lH2RuYxpwi+VsOGTiBzqKg==, figureFileBig=GMmoHcxmVhoK17aIKMbkNg==, tableContent=null), ArticleFig(id=1319293088380604635, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.7, caption=
Comparison of static pressure difference between inlet and outlet, figureFileSmall=ehIzv5bkpDH+Q+ai81GaDA==, figureFileBig=KfiPfCplZI0wbJ1ls5Pj6A==, tableContent=null), ArticleFig(id=1319293088447713500, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图7, caption=
进、出口静压差对比, figureFileSmall=ehIzv5bkpDH+Q+ai81GaDA==, figureFileBig=KfiPfCplZI0wbJ1ls5Pj6A==, tableContent=null), ArticleFig(id=1319293088527405277, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.8, caption=
Flow field distribution in centrifugal pump, figureFileSmall=89Pa2PbcxF2Jd+cqv3/N9A==, figureFileBig=fnlCqMWLKiCjY3Ibfl50aQ==, tableContent=null), ArticleFig(id=1319293088594514142, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图8, caption=
离心泵内流场分布, figureFileSmall=89Pa2PbcxF2Jd+cqv3/N9A==, figureFileBig=fnlCqMWLKiCjY3Ibfl50aQ==, tableContent=null), ArticleFig(id=1319293088674205919, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.9, caption=
The radial force and axial force of the rotor vary with the rotation angle of the centrifugal pump Under different flow conditions, figureFileSmall=x7wKl7GFP2Afc0GfoZ9eVw==, figureFileBig=BMoL8pXW6UGvz12fPouD1g==, tableContent=null), ArticleFig(id=1319293088758092000, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图9, caption=
不同流量工况下转子所受径向力、轴向力随离心泵旋转角度的变化, figureFileSmall=x7wKl7GFP2Afc0GfoZ9eVw==, figureFileBig=BMoL8pXW6UGvz12fPouD1g==, tableContent=null), ArticleFig(id=1319293088829395169, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.10, caption=
Section location, figureFileSmall=l/IZVWpfb/B+AICu2MCeAA==, figureFileBig=ZaTsYODBzkMGiK6L8P7azA==, tableContent=null), ArticleFig(id=1319293088904892642, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图10, caption=
截面位置, figureFileSmall=l/IZVWpfb/B+AICu2MCeAA==, figureFileBig=ZaTsYODBzkMGiK6L8P7azA==, tableContent=null), ArticleFig(id=1319293088967807203, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.11, caption=
Section 1 pressure cloud diagram under different phases at flow rate of 12.7 L/min, figureFileSmall=FM2sBnsZR79I1HQHLYoUVQ==, figureFileBig=sitlBtrYAoha9aqgxSrLgQ==, tableContent=null), ArticleFig(id=1319293089034916068, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图11, caption=
流量12.7 L/min时不同相位下截面1压力云图, figureFileSmall=FM2sBnsZR79I1HQHLYoUVQ==, figureFileBig=sitlBtrYAoha9aqgxSrLgQ==, tableContent=null), ArticleFig(id=1319293089106219237, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.12, caption=
Section 1 pressure cloud diagram under different phases at flow rate of 75.0 L/min, figureFileSmall=0hrHk3evcPqzw/G87gHykw==, figureFileBig=7O8jFo2xBPb9G0gj65mJGg==, tableContent=null), ArticleFig(id=1319293089198493926, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图12, caption=
流量75.0 L/min时不同相位下截面1压力云图, figureFileSmall=0hrHk3evcPqzw/G87gHykw==, figureFileBig=7O8jFo2xBPb9G0gj65mJGg==, tableContent=null), ArticleFig(id=1319293089273991399, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.13, caption=
Section 2 pressure cloud diagram under different flow rates, figureFileSmall=5SwTS+/sVD7Tr/inBupAtw==, figureFileBig=cXfzaFzN4vZsE5uTT7Enwg==, tableContent=null), ArticleFig(id=1319293089336905960, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图13, caption=
不同流量下截面2压力云图, figureFileSmall=5SwTS+/sVD7Tr/inBupAtw==, figureFileBig=cXfzaFzN4vZsE5uTT7Enwg==, tableContent=null), ArticleFig(id=1319293089433374953, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.14, caption=
Valve plate height and rotor inlet diameter schematic, figureFileSmall=zEoRbOxQsaQGB50HLlpZYg==, figureFileBig=awaAMwT8IEncxRFJ2xu1pQ==, tableContent=null), ArticleFig(id=1319293089496289514, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图14, caption=
阀片高度及转子入口直径示意, figureFileSmall=zEoRbOxQsaQGB50HLlpZYg==, figureFileBig=awaAMwT8IEncxRFJ2xu1pQ==, tableContent=null), ArticleFig(id=1319293089563398379, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.15, caption=
The influence of valve plate height on the force of the rotor, figureFileSmall=1fw3meJhYkcbwaViDrIpxg==, figureFileBig=6VJy94cGuqeXUgI0ZJG4QA==, tableContent=null), ArticleFig(id=1319293089630507244, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图15, caption=
阀片高度对转子受力的影响, figureFileSmall=1fw3meJhYkcbwaViDrIpxg==, figureFileBig=6VJy94cGuqeXUgI0ZJG4QA==, tableContent=null), ArticleFig(id=1319293089697616109, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig. 16, caption=
Axial velocity distribution under different valve plate height, figureFileSmall=K+g3x3Y9R/P6mS/WZ7pW7g==, figureFileBig=CoDTeIifQe5uMH/qZGyxuQ==, tableContent=null), ArticleFig(id=1319293089764724974, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图16, caption=
不同阀片高度下轴向速度分布, figureFileSmall=K+g3x3Y9R/P6mS/WZ7pW7g==, figureFileBig=CoDTeIifQe5uMH/qZGyxuQ==, tableContent=null), ArticleFig(id=1319293089840222447, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.17, caption=
Pressure distribution at section 2, figureFileSmall=NEx5ZmaAV83Cb82Njjf/zw==, figureFileBig=u9YhsLBZsQM19lycWRpCLg==, tableContent=null), ArticleFig(id=1319293089903137008, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图17, caption=
截面2处压力分布, figureFileSmall=NEx5ZmaAV83Cb82Njjf/zw==, figureFileBig=u9YhsLBZsQM19lycWRpCLg==, tableContent=null), ArticleFig(id=1319293089961857265, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.18, caption=
The influence of valve plate height on the head and efficiency of centrifugal pump, figureFileSmall=RlQcT83fAS/nq8WUYVlmgQ==, figureFileBig=YGeGTXVum/6mlGnY3o49lg==, tableContent=null), ArticleFig(id=1319293090041549042, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图18, caption=
阀片高度对离心泵扬程、效率的影响, figureFileSmall=RlQcT83fAS/nq8WUYVlmgQ==, figureFileBig=YGeGTXVum/6mlGnY3o49lg==, tableContent=null), ArticleFig(id=1319293090117046515, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.19, caption=
The influence of inlet diameter on rotor force, figureFileSmall=6Cazg/4r8wMxOB8ezrK71w==, figureFileBig=/M40inXVuQOwNhPMYsjHkg==, tableContent=null), ArticleFig(id=1319293090184155380, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图19, caption=
入口直径对转子受力的影响, figureFileSmall=6Cazg/4r8wMxOB8ezrK71w==, figureFileBig=/M40inXVuQOwNhPMYsjHkg==, tableContent=null), ArticleFig(id=1319293090255458549, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=EN, label=Fig.20, caption=
The influence of inlet diameter on head and efficiency of centrifugal pump, figureFileSmall=RXPtFp6+NB+Zh/Z0YPHVeA==, figureFileBig=Tot4rDhpAaMlIMp1uvO79A==, tableContent=null), ArticleFig(id=1319293090343538934, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293080356900986, language=CN, label=图20, caption=
入口直径对离心泵扬程、效率的影响, figureFileSmall=RXPtFp6+NB+Zh/Z0YPHVeA==, figureFileBig=Tot4rDhpAaMlIMp1uvO79A==, 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, subjectCode=Engineering, 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