Article(id=1281323876214870540, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281323788058996778, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2026.03.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1757865600000, receivedDateStr=2025-09-15, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1783421017935, onlineDateStr=2026-07-07, pubDate=1773504000000, pubDateStr=2026-03-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783421017935, onlineIssueDateStr=2026-07-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783421017935, creator=13701087609, updateTime=1783421017935, updator=13701087609, issue=Issue{id=1281323788058996778, tenantId=1146029695717560320, journalId=1240685776644648972, year='2026', volume='30', issue='3', pageStart='341', pageEnd='506', issueExtLink='null', onlineDate='null', pubDate='1773504000000', pubDateStr='2026-03-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783420996918, creator='13701087609', updateTime=1783422057887, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1281328238156821342, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281323788058996778, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1281328238156821343, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281323788058996778, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=439, endPage=451, ext={EN=ArticleExt(id=1281323876558803469, articleId=1281323876214870540, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Research on self-excited vibrations induced by friction in ship stern tube seals, columnId=1242129251223274417, journalTitle=Journal of Ship Mechanics, columnName=Structural Mechanics, runingTitle=null, highlight=null, articleAbstract=
The stern tube seal of a ship often generates abnormal vibration and noise due to the friction excitation between the static ring and the dynamic ring. Through shipboard testing, it was found that this abnormal vibration appears in the form of the torsional vibration natural frequency of the static ring and its harmonics in the vibration spectrum. In order to reveal the cause of this phenomenon, this paper establishes a nonlinear torsional vibration analysis model for the stern tube seal considering the contact-friction effect between the static ring and the dynamic ring. The influence of parameters such as shaft system rotational speed, friction coefficient, Ω spring preload, Ω spring torsional stiffness, and structural damping ratio on the vibration of the stern tube seal was studied using multiscale method and numerical simulation. The results show that when the equivalent damping ratio induced by the friction excitation is smaller than the structural damping ratio, the static ring of the stern tube seal will exhibit friction-induced self-excited vibration, that is, the occurrence of the torsional vibration natural frequency of the static ring and its harmonics in the vibration spectrum. Increasing the Ω spring preload, and increasing the difference in static and dynamic friction coefficients between the static ring and the dynamic ring, or reducing the rotational speed of the shaft system and the torsional stiffness of the Ω spring will make the static ring more susceptible to friction-induced self-excited vibration. Increasing the structural damping ratio can effectively suppress the friction-induced self-excited vibration of the static ring. Finally, this paper provides a critical formula for the occurrence of friction-induced self-excited vibration in the static ring. This research has important guiding significance for the design and maintenance of stern tube seals.
, authors=Dong-lin ZOU
1a, 1b, Lin XUE
1a, 1b, Qiang LIN
2, Yu-ze YANG
1a, 1b, Na TA
1a, 1b, Zhu-shi RAO
1a, 1b, authorsList=Dong-lin ZOU, Lin XUE, Qiang LIN, Yu-ze YANG, Na TA, Zhu-shi RAO, authorCompany=null, correspAuthors=Zhu-shi RAO, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2026 Journal of Ship Mechanics. All rights reserved., 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=1281323901481358030, articleId=1281323876214870540, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=船舶艉轴密封装置摩擦自激振动研究, columnId=1241023038926410098, journalTitle=船舶力学, columnName=结构力学, runingTitle=null, highlight=null, articleAbstract=
船舶艉轴密封装置在工作过程中常常因静环和动环间的摩擦激励而产生异常振动噪声,通过实船测试发现,该异常振动在振动频谱中表征为静环扭振固有频率及其倍频分量的出现。为揭示该异常振动产生原因,本文建立了摩擦激励下的艉轴密封装置非线性扭振分析模型,利用多尺度法和数值仿真分别研究了轴系旋转速度、动静环间摩擦系数、Ω弹簧预紧力、Ω弹簧扭转刚度、系统结构阻尼比等参数对艉轴密封装置振动的影响规律。研究表明:当摩擦激励诱发的等效阻尼比小于系统的结构阻尼比时,艉轴密封装置的静环将产生摩擦自激振动,表现为振动频谱中出现静环扭振固有频率及其倍频分量;增大Ω弹簧预紧力、增大动静环间的静摩擦系数与动摩擦系数差异,或者降低轴系旋转速度、降低Ω弹簧扭转刚度均将导致静环更易发生摩擦自激振动;提高系统的结构阻尼比可有效抑制静环的摩擦自激振动;轴系扭振仅改变静环自激振动的幅值,而不会改变其性态。最后,本文提供了静环产生摩擦自激振动的判别公式。本文研究结果为实船艉轴密封装置的振动故障诊断、设计优化及运行调控提供理论依据与技术支撑。
, authors=邹冬林
1a, 1b, 薛林
1a, 1b, 林强
2, 杨宇泽
1a, 1b, 塔娜
1a, 1b, 饶柱石
1a, 1b, authorsList=邹冬林, 薛林, 林强, 杨宇泽, 塔娜, 饶柱石, authorCompany=null, correspAuthors=饶柱石, authorNote=
, correspAuthorsNote=
, copyrightStatement=版权所有©《船舶力学》编辑部2026, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=ErJRp9id+UMrCnj7xhv0fQ==, magXml=qjOg6VlGIwBfkOAOD6ivDw==, pdfUrl=null, pdf=GiJ9iZXVGTWC3V5f9mYD8Q==, pdfFileSize=2595426, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=oX8sETGZEYnDkMA4uS/QZw==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=Nl52KPI0Hn67IvyMo5AOKQ==, mapNumber=null, fund=null)}, authors=[Author(id=1281323902076949209, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1281323902177612508, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, authorId=1281323902076949209, language=EN, stringName=Dong-lin ZOU, firstName=Dong-lin, middleName=null, lastName=ZOU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1a, 1b, address=
1a.Shanghai Jiao Tong University Institute of Vibration, Shock and Noise
1b.Shanghai Jiao Tong University State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1281323902257304285, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, authorId=1281323902076949209, language=CN, stringName=邹冬林, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1a, 1b, address=
1a.上海交通大学 振动、冲击、噪声研究所
1b.上海交通大学 机械系统与振动国家重点实验室,上海 200240, bio={"content":"
邹冬林(1987–),男,博士,助理研究员
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1a.Shanghai Jiao Tong University Institute of Vibration, Shock and Noise
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1a, 1b, address=
1a.上海交通大学 振动、冲击、噪声研究所
1b.上海交通大学 机械系统与振动国家重点实验室,上海 200240, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1281323901753987791, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, xref=1a., ext=[AuthorCompanyExt(id=1281323901766570704, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, companyId=1281323901753987791, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1b.上海交通大学 机械系统与振动国家重点实验室,上海 200240)])]), Author(id=1281323902559294181, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1281323902626403047, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, authorId=1281323902559294181, language=EN, stringName=Qiang LIN, firstName=Qiang, middleName=null, lastName=LIN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2.China Ship Scientific Research Center, Shanghai Branch, Shanghai 200011, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1281323902697706216, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, authorId=1281323902559294181, language=CN, stringName=林强, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2.中国船舶科学研究中心 上海分部,上海 200011, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1281323901972091605, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, xref=2., ext=[AuthorCompanyExt(id=1281323901980480214, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, companyId=1281323901972091605, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1a, 1b, address=
1a.Shanghai Jiao Tong University Institute of Vibration, Shock and Noise
1b.Shanghai Jiao Tong University State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1281323902924198638, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, authorId=1281323902781592298, language=CN, stringName=杨宇泽, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1a, 1b, address=
1a.上海交通大学 振动、冲击、噪声研究所
1b.上海交通大学 机械系统与振动国家重点实验室,上海 200240, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1281323901753987791, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, xref=1a., ext=[AuthorCompanyExt(id=1281323901766570704, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, companyId=1281323901753987791, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1a, 1b, address=
1a.Shanghai Jiao Tong University Institute of Vibration, Shock and Noise
1b.Shanghai Jiao Tong University State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1281323903125525236, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, authorId=1281323902982918896, language=CN, stringName=塔娜, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1a, 1b, address=
1a.上海交通大学 振动、冲击、噪声研究所
1b.上海交通大学 机械系统与振动国家重点实验室,上海 200240, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1281323901753987791, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, xref=1a., ext=[AuthorCompanyExt(id=1281323901766570704, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, companyId=1281323901753987791, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Applied nonlinear dynamics[M]. Beijing: Beihang University Press , 2025. (in Chinese), articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1281323901753987791, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, xref=1a., ext=[AuthorCompanyExt(id=1281323901766570704, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, companyId=1281323901753987791, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Structural composition of a typical ship stern tube seal, figureFileSmall=Z1634Y5XJixDcy8SLohxyw==, figureFileBig=oX8sETGZEYnDkMA4uS/QZw==, tableContent=null), ArticleFig(id=1281323904429953803, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=CN, label=图1, caption=
典型船舶艉轴密封装置结构组成, figureFileSmall=Z1634Y5XJixDcy8SLohxyw==, figureFileBig=oX8sETGZEYnDkMA4uS/QZw==, tableContent=null), ArticleFig(id=1281323904622891788, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=EN, label=Fig.2, caption=
Abnormal vibration spectrum of a ship stern tube seal, figureFileSmall=ahZas7GzFcBTKQixQp2fFA==, figureFileBig=XIwmoXebMXXs8a/mOpiVPQ==, tableContent=null), ArticleFig(id=1281323904715166477, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=CN, label=图2, caption=
船舶艉轴密封装置异常振动频谱(转速20 r/min), figureFileSmall=ahZas7GzFcBTKQixQp2fFA==, figureFileBig=XIwmoXebMXXs8a/mOpiVPQ==, tableContent=null), ArticleFig(id=1281323904778081038, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=EN, label=Fig.3, caption=
Influence of rotational speed ω (P=6000 N, ξt1=0.01, μ01=0.03, Kt1=3.9×106 N·m/rad, $ {\dot{\theta }}_{2} $
=0), figureFileSmall=WGygFphHHXQLIrbMHVP6Iw==, figureFileBig=T5BOQ0MjVARVQOqTg5oJQQ==, tableContent=null), ArticleFig(id=1281323904849384207, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=CN, label=图3, caption=
旋转速度ω影响(P=6000 N, ξt1=0.01, μ01=0.03, Kt1=3.9×106 N·m/rad, $ {\dot{\theta }}_{2} $
=0), figureFileSmall=WGygFphHHXQLIrbMHVP6Iw==, figureFileBig=T5BOQ0MjVARVQOqTg5oJQQ==, tableContent=null), ArticleFig(id=1281323904912298768, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=EN, label=Fig.4, caption=
Influence of friction coefficient μ01 (P=6000 N, ξt1=0.01, ω=30 r/min, Kt1=3.9×106 N·m/rad, $ {\dot{\theta }}_{2} $
=0), figureFileSmall=ef6CBykjTPgLsWKyjtcLJg==, figureFileBig=sgPwLRIWReOU1Pe2IJukmw==, tableContent=null), ArticleFig(id=1281323904991990545, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=CN, label=图4, caption=
摩擦系数μ01影响(P=6000 N, ξt1=0.01, ω=30 r/min, Kt1=3.9×106 N·m/rad, $ {\dot{\theta }}_{2} $
=0), figureFileSmall=ef6CBykjTPgLsWKyjtcLJg==, figureFileBig=sgPwLRIWReOU1Pe2IJukmw==, tableContent=null), ArticleFig(id=1281323905054905106, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=EN, label=Fig.5, caption=
Influence of the stiffness of the Ω spring(P=6000 N, ξt1=0.01, ω=10 r/min, μ01=0.03, $ {\dot{\theta }}_{2} $
=0), figureFileSmall=QKtxh0Lx7k3HmfyRyp8blA==, figureFileBig=FcWyG1I/tmJKoJ8cbb8srg==, tableContent=null), ArticleFig(id=1281323905122013971, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=CN, label=图5, caption=
Ω弹簧刚度Kt1影响(P=6000 N, ξt1=0.01, ω=10 r/min, μ01=0.03, $ {\dot{\theta }}_{2} $
=0), figureFileSmall=QKtxh0Lx7k3HmfyRyp8blA==, figureFileBig=FcWyG1I/tmJKoJ8cbb8srg==, tableContent=null), ArticleFig(id=1281323905184928532, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=EN, label=Fig.6, caption=
Influence of pressure P(ξt1=0.01, ω=10 r/min, μ01=0.03, Kt1=3.9×106 N·m/rad, $ {\dot{\theta }}_{2} $
=0), figureFileSmall=IJtkOScinCCwdLaKI4MSjA==, figureFileBig=2Esvkmecb0GqA4UxtYGhrw==, tableContent=null), ArticleFig(id=1281323905273008917, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=CN, label=图6, caption=
正压力P影响(ξt1=0.01, ω=10 r/min, μ01=0.03, Kt1=3.9×106 N·m/rad, $ {\dot{\theta }}_{2} $
=0), figureFileSmall=IJtkOScinCCwdLaKI4MSjA==, figureFileBig=2Esvkmecb0GqA4UxtYGhrw==, tableContent=null), ArticleFig(id=1281323905352700694, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=EN, label=Fig.7, caption=
Influence of damping ratio ξt1 (ω=10 r/min, μ01=0.09, Kt1=3.9×106 N·m/rad, P=9000 N, $ {\dot{\theta }}_{2} $
=0), figureFileSmall=S6Mzo+IAG2H7xQaND9C//A==, figureFileBig=XVCTp2r9//X1X9wGDRQm+Q==, tableContent=null), ArticleFig(id=1281323905424003863, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=CN, label=图7, caption=
结构阻尼比ξt1影响(ω=10 r/min, μ01=0.09, Kt1=3.9×106 N·m/rad, P=9000 N, $ {\dot{\theta }}_{2} $
=0), figureFileSmall=S6Mzo+IAG2H7xQaND9C//A==, figureFileBig=XVCTp2r9//X1X9wGDRQm+Q==, tableContent=null), ArticleFig(id=1281323905516278552, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=EN, label=Fig.8, caption=
Influence of shaft torsional vibration(ξt1=0.01, ω=10 r/min, μ01=0.03, Kt1=3.9×106 N·m/rad, P=6000 N), figureFileSmall=CA7L1EJJwBZv9JxCa8oLMw==, figureFileBig=/MvKFnGtLHSiLzM7u/sBEQ==, tableContent=null), ArticleFig(id=1281323905591776025, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=CN, label=图8, caption=
轴系扭振影响(ξt1=0.01, ω=10 r/min, μ01=0.03, Kt1=3.9×106 N·m/rad, P=6000 N), figureFileSmall=CA7L1EJJwBZv9JxCa8oLMw==, figureFileBig=/MvKFnGtLHSiLzM7u/sBEQ==, tableContent=null), ArticleFig(id=1281323905679856410, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=EN, label=Fig.9, caption=
Influence of shaft torsional vibration(ξt1=0.01, ω=30 r/min, μ01=0.03, Kt1=3.9×106 N·m/rad, P=6000 N), figureFileSmall=fOhZFzJYXDiZWyd8gHKPsA==, figureFileBig=SYVcuVJWmlrtMuItEgUq/Q==, tableContent=null), ArticleFig(id=1281323905746965275, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=CN, label=图9, caption=
轴系扭振影响(ξt1=0.01, ω=30 r/min, μ01=0.03, Kt1=3.9×106 N·m/rad, P=6000 N), figureFileSmall=fOhZFzJYXDiZWyd8gHKPsA==, figureFileBig=SYVcuVJWmlrtMuItEgUq/Q==, tableContent=null), ArticleFig(id=1281323905910543132, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=EN, label=Fig.10, caption=
Boundary for abnormal vibration varies with parameters, figureFileSmall=wQ7lA1yJMhK7RNanynvF0Q==, figureFileBig=wndMXnDqx6dw3eNDjpvcmg==, tableContent=null), ArticleFig(id=1281323905986040605, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=CN, label=图10, caption=
系统发生异常振动时的边界随参数变化, figureFileSmall=wQ7lA1yJMhK7RNanynvF0Q==, figureFileBig=wndMXnDqx6dw3eNDjpvcmg==, tableContent=null), ArticleFig(id=1281323906069926686, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=EN, label=Tab.1, caption=
Parameters of the stern tube seal
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 数值 | | 参数名称 | 数值 |
|---|
| 静环质量M | 37.4 kg | | Ω弹簧扭转刚度Kt | 3.9×106 N·m/rad |
| 静环绕轴向转动惯量It | 3.13 kg·m2 | | Ω弹簧轴向刚度Kx | 7.8×105 N/m |
| 动静环间静摩擦系数μ0 | 0.37 | | Ω弹簧径向刚度Ky | 3.1×106 N/m |
| 动静环间动摩擦系数μ1 | 0.34 | | Ω弹簧预紧力P | 3000 N |
| 静环内径R1 | 210 mm | | 静环外径R2 | 250 mm |
), ArticleFig(id=1281323906141229855, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=CN, label=表1, caption=
艉轴密封装置参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 数值 | | 参数名称 | 数值 |
|---|
| 静环质量M | 37.4 kg | | Ω弹簧扭转刚度Kt | 3.9×106 N·m/rad |
| 静环绕轴向转动惯量It | 3.13 kg·m2 | | Ω弹簧轴向刚度Kx | 7.8×105 N/m |
| 动静环间静摩擦系数μ0 | 0.37 | | Ω弹簧径向刚度Ky | 3.1×106 N/m |
| 动静环间动摩擦系数μ1 | 0.34 | | Ω弹簧预紧力P | 3000 N |
| 静环内径R1 | 210 mm | | 静环外径R2 | 250 mm |
), ArticleFig(id=1281323906220921632, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=EN, label=Tab.2, caption=
Natural frequencies of the static ring in three directions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 静环固有频率 | 数值 |
| 静环纵向固有频率ωx | 23 Hz |
| 静环径向固有频率ωy | 46 Hz |
| 静环扭转固有频率ωt | 177 Hz |
), ArticleFig(id=1281323906380305185, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281323876214870540, language=CN, label=表2, caption=
静环三个方向上固有频率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 静环固有频率 | 数值 |
| 静环纵向固有频率ωx | 23 Hz |
| 静环径向固有频率ωy | 46 Hz |
| 静环扭转固有频率ωt | 177 Hz |
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