Article(id=1243306061390786828, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243306060832944396, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2025.03.015, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1726588800000, receivedDateStr=2024-09-18, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1774356864544, onlineDateStr=2026-03-24, pubDate=1742400000000, pubDateStr=2025-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1774356864544, onlineIssueDateStr=2026-03-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774356864544, creator=13701087609, updateTime=1774356864544, updator=13701087609, issue=Issue{id=1243306060832944396, tenantId=1146029695717560320, journalId=1240685776644648972, year='2025', volume='29', issue='3', pageStart='337', pageEnd='516', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1774356864412, creator=13701087609, updateTime=1774357001622, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1243306636396310539, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243306060832944396, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1243306636396310540, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243306060832944396, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=506, endPage=516, ext={EN=ArticleExt(id=1243306061642445070, articleId=1243306061390786828, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Coupling characteristics analysis of rotor eigenvalues based on two degrees of freedom system, columnId=1241023038381158513, journalTitle=Journal of Ship Mechanics, columnName=Hydro/Structural Acoustics, runingTitle=null, highlight=null, articleAbstract=
With the development of high flow turbopumps, the size and speed of impellers have increased rapidly, resulting in the coupling vibration phenomenon of the turbopump. In order to keep the turbopump running smoothly and reduce its vibration and noise, the coupling dynamics characteristics of the turbopump rotor system were studied in this paper. Firstly, based on the simplified finite element model of the turbopump, it was found that when the rotor frequencies of different orders approach each other in the Campbell chart, two coupling characteristics phenomena of curve turning and merging would occur. Further analysis of the rotor modes conducted for the coupling characteristic phenomenon showed the different orders of the coupling characteristic modes would affect each other. Secondly, a two-degree-of-freedom system was used to simulate the coupling characteristics of the rotor, and then the effects of coupling degree, damping and gyroscopic torque on the characteristics were analyzed. Finally, investigation on the coupling dynamic characteristics of the two-degree-of-freedom system revealed that the dynamic response would change abruptly when the curve turning and merging occurred, leading to the increase of the coupling vibration amplitude and even the instability of the system. The research results could provide theoretical guidance for the safe and stable operation of rotor systems.
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随着大流量涡轮泵的迅速发展,其叶轮尺寸和转速日益增大,导致涡轮泵本身的耦合振动现象凸显。为保持涡轮泵的平稳运行并降低其振动噪声,本文研究了涡轮泵转子系统的耦合动力学特性。首先,基于简化的涡轮泵转子有限元模型进行分析,发现当转子不同阶频率在Campbell图中相互趋近时,接近重合的区域会发生转向和合并两种耦合特征现象。进一步分析发生耦合特征现象时的转子模态,发现互相耦合的不同阶特征模态会相互影响。接着,采用双自由度系统模拟转子耦合特征现象,分析耦合度、阻尼以及陀螺力矩对其特性的影响。最后,分析双自由度系统耦合动力学特性,发现系统发生转向及合并现象时,其动力响应会发生突变,导致系统耦合振动幅值增大,甚至系统失稳。研究成果可为转子系统安全稳定运行提供理论指导。
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32(3): 37-39. (in Chinese), articleTitle=Research on frequency steering characteristics of aero-engine compressor rotor blades, refAbstract=null)], funds=[Fund(id=1243306073512325893, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, awardId=2017-IV-0008-0045, language=CN, fundingSource=工信部重大专项(2017-IV-0008-0045), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1243306067002765712, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, xref=1., ext=[AuthorCompanyExt(id=1243306067011154322, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, companyId=1243306067002765712, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Turbopump rotor model, figureFileSmall=a0iwbYtnqZP3jgKJSEr44g==, figureFileBig=8Z7Z6kdg/xOlPAFcMA0IqQ==, tableContent=null), ArticleFig(id=1243306069922001460, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图1, caption=
涡轮泵转子模型, figureFileSmall=a0iwbYtnqZP3jgKJSEr44g==, figureFileBig=8Z7Z6kdg/xOlPAFcMA0IqQ==, tableContent=null), ArticleFig(id=1243306070165271110, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=EN, label=Fig.2, caption=
Campbell chart of the rotor, figureFileSmall=jAc6trxyF1sDrFdNKceHeg==, figureFileBig=V6vQWlAXzzKNOTViTVwNiA==, tableContent=null), ArticleFig(id=1243306070257545803, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图2, caption=
加密数据点的转子Campbell图, figureFileSmall=jAc6trxyF1sDrFdNKceHeg==, figureFileBig=V6vQWlAXzzKNOTViTVwNiA==, tableContent=null), ArticleFig(id=1243306070354014800, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=EN, label=Fig.3, caption=
Illustration of curve turning and merging in Campbell chart of the rotor, figureFileSmall=iADJ5Ysyv2tXbOiVaBkVXg==, figureFileBig=aPq3lQa/Io3sL2ECXRhO7g==, tableContent=null), ArticleFig(id=1243306070735696469, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图3, caption=
局部放大的转子Campbell图, figureFileSmall=iADJ5Ysyv2tXbOiVaBkVXg==, figureFileBig=aPq3lQa/Io3sL2ECXRhO7g==, tableContent=null), ArticleFig(id=1243306070857331292, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=EN, label=Fig.4, caption=
Modal change graph of curve-turning phase in Campbell chart, figureFileSmall=C+CuAshqNFlqCliPAYWKkQ==, figureFileBig=fjrD+QuDWMxBeVx2MtS19Q==, tableContent=null), ArticleFig(id=1243306070949605986, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图4, caption=
转向阶段的模态变化图, figureFileSmall=C+CuAshqNFlqCliPAYWKkQ==, figureFileBig=fjrD+QuDWMxBeVx2MtS19Q==, tableContent=null), ArticleFig(id=1243306071058657897, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=EN, label=Fig.5, caption=
Modal change graph of the merging phase in Campbell chart, figureFileSmall=/x5VhWuNUsvH+meddGpgWw==, figureFileBig=F82euVadn4v+P3avGjS6pg==, tableContent=null), ArticleFig(id=1243306071218041458, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图5, caption=
合并阶段的模态变化图, figureFileSmall=/x5VhWuNUsvH+meddGpgWw==, figureFileBig=F82euVadn4v+P3avGjS6pg==, tableContent=null), ArticleFig(id=1243306071327093373, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=EN, label=Fig.6, caption=
Two-degree-of-freedom system model, figureFileSmall=3Y2UhlDAtDbyVxQ5eOaphQ==, figureFileBig=f1dOYALmB06kD5oGgkcj2g==, tableContent=null), ArticleFig(id=1243306071402590853, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图6, caption=
双自由度系统模型, figureFileSmall=3Y2UhlDAtDbyVxQ5eOaphQ==, figureFileBig=f1dOYALmB06kD5oGgkcj2g==, tableContent=null), ArticleFig(id=1243306071520031376, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=EN, label=Fig.7, caption=
Two-degree-of-freedom uncoupled eigenvalue cross graph, figureFileSmall=ppsikPpZvug90f+1Z9eIeg==, figureFileBig=Xaw3zkm3hd7SOq+FiwK+fQ==, tableContent=null), ArticleFig(id=1243306071666832025, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图7, caption=
双自由度无耦合特征值交叉图, figureFileSmall=ppsikPpZvug90f+1Z9eIeg==, figureFileBig=Xaw3zkm3hd7SOq+FiwK+fQ==, tableContent=null), ArticleFig(id=1243306071775883935, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=EN, label=Fig.8, caption=
Coupled eigenvalue turning graph, figureFileSmall=MYEaFzjQ9v4G7n+Jw3MngQ==, figureFileBig=cXHHm/m2Rw36BbrUi7m8rQ==, tableContent=null), ArticleFig(id=1243306071910101671, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图8, caption=
耦合特征值转向图, figureFileSmall=MYEaFzjQ9v4G7n+Jw3MngQ==, figureFileBig=cXHHm/m2Rw36BbrUi7m8rQ==, tableContent=null), ArticleFig(id=1243306072002376366, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=EN, label=Fig.9, caption=
Variation graph of eigenvalues of different damping differences, figureFileSmall=Iog6rDIajvAlDaVXP04Yuw==, figureFileBig=HBG3Hf58BAAZRVqN1WBCoQ==, tableContent=null), ArticleFig(id=1243306072086262453, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图9, caption=
不同阻尼差值的特征值变化图, figureFileSmall=Iog6rDIajvAlDaVXP04Yuw==, figureFileBig=HBG3Hf58BAAZRVqN1WBCoQ==, tableContent=null), ArticleFig(id=1243306072216285884, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=EN, label=Fig.10, caption=
Eigenvalue variation graph with damping and coupling terms, figureFileSmall=YVMHG12iOPUV/Gy3C+S6Wg==, figureFileBig=i3mj6GTlWxadK+F5gQi20Q==, tableContent=null), ArticleFig(id=1243306072304366273, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图10, caption=
有阻尼及耦合项时的特征值变化图, figureFileSmall=YVMHG12iOPUV/Gy3C+S6Wg==, figureFileBig=i3mj6GTlWxadK+F5gQi20Q==, tableContent=null), ArticleFig(id=1243306072409223879, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=EN, label=Fig.11, caption=
Variation graph of eigenvalues for different damping differences, figureFileSmall=avc/cHKNIOAgHEPqbAzaIQ==, figureFileBig=dtw2tR9ZZuWDusn2QLvFRA==, tableContent=null), ArticleFig(id=1243306072484721356, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图11, caption=
不同阻尼差值的特征值变化图, figureFileSmall=avc/cHKNIOAgHEPqbAzaIQ==, figureFileBig=dtw2tR9ZZuWDusn2QLvFRA==, tableContent=null), ArticleFig(id=1243306072593773268, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=EN, label=Fig.12, caption=
Eigenvalue variation graph with gyroscope, damping and coupling terms, figureFileSmall=xMIYlJ0VyccFCR0ta9Fp3A==, figureFileBig=M6GXsZdLjV8NChswioIqgw==, tableContent=null), ArticleFig(id=1243306072698630874, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图12, caption=
有陀螺、阻尼及耦合项的特征值变化图, figureFileSmall=xMIYlJ0VyccFCR0ta9Fp3A==, figureFileBig=M6GXsZdLjV8NChswioIqgw==, tableContent=null), ArticleFig(id=1243306072837042918, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=EN, label=Fig.13, caption=
Vibration mode diagram of two-degree-of-freedom system when curve-crossing occurs, figureFileSmall=CmZEKeikeIooIy7p5eOz1Q==, figureFileBig=rxxl06mRYPJ8J8npzOOtKQ==, tableContent=null), ArticleFig(id=1243306072967066350, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图13, caption=
双自由度系统交叉时振型图, figureFileSmall=CmZEKeikeIooIy7p5eOz1Q==, figureFileBig=rxxl06mRYPJ8J8npzOOtKQ==, tableContent=null), ArticleFig(id=1243306073084506866, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=EN, label=Fig.14, caption=
Vibration mode diagram of two-degree-of-freedom system when curve-turning occurs, figureFileSmall=Woc+IZzTRC9eIbZU7F5xhA==, figureFileBig=fSFUuiJaOcdyzgZIsz4/gA==, tableContent=null), ArticleFig(id=1243306073160004342, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图14, caption=
双自由度系统转向时振型图, figureFileSmall=Woc+IZzTRC9eIbZU7F5xhA==, figureFileBig=fSFUuiJaOcdyzgZIsz4/gA==, tableContent=null), ArticleFig(id=1243306073231307513, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=EN, label=Fig.15, caption=
Vibration mode diagram of two-degree-of-freedom system when curve-merging occurs, figureFileSmall=3fHSMjg9brLAmRb/bfwLnA==, figureFileBig=lgI9QXrHzcQYRxzgITptPQ==, tableContent=null), ArticleFig(id=1243306073373913859, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306061390786828, language=CN, label=图15, caption=
双自由度系统合并时振型图, figureFileSmall=3fHSMjg9brLAmRb/bfwLnA==, figureFileBig=lgI9QXrHzcQYRxzgITptPQ==, tableContent=null)], attaches=null, journal=Journal(id=1240685663704625163, delFlag=0, nameCn=船舶力学, nameEn=Journal of Ship Mechanics, nameHistory1=null, nameHistory2=null, issn=1007-7294, eissn=null, cn=32-1468/U, 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=8VABIsgSw5I4HF/4goaIlA==, journalPrice=null, startedYear=null, abbrevIsoEn=Journal of Ship Mechanics, journalRemark=null, publicationField=null, createdTime=1773732113054, updatedTime=1773732336269, createdBy=18614031015, updatedBy=13701087609, firstLetterCn=J, firstLetterEn=J, 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