Article(id=1324392905179279554, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1324392762614882315, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2026.07.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1767628800000, receivedDateStr=2026-01-06, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793689474624, onlineDateStr=2026-11-03, pubDate=1784044800000, pubDateStr=2026-07-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793689474624, onlineIssueDateStr=2026-11-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793689474624, creator=13701087609, updateTime=1793689474624, updator=13701087609, issue=Issue{id=1324392762614882315, tenantId=1146029695717560320, journalId=1240685776644648972, year='2026', volume='30', issue='7', pageStart='1041', pageEnd='1220', issueExtLink='null', onlineDate='null', pubDate='1784044800000', pubDateStr='2026-07-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793689440634, creator='13701087609', updateTime=1793689440634, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=1195, endPage=1205, ext={EN=ArticleExt(id=1324392905342857411, articleId=1324392905179279554, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Torsional self-excited vibration of the propulsion shafting induced by the friction of the stern bearing and the construction of the criterion formula, columnId=1241023038381158513, journalTitle=Journal of Ship Mechanics, columnName=Hydro/Structural Acoustics, runingTitle=null, highlight=null, articleAbstract=
During the operation of the ship propulsion shafting system, it is often excited by the friction of the water-lubricated stern bearing, which in turn induces self-excited vibration noise. The results of sea trials show that this type of vibration exhibits the characteristics of a certain order of the natural frequency of torsional vibration of the propulsion shafting system and its harmonic frequency components in the vibration spectrum. In order to explore the causes of such vibrations and propose an effective criterion formula, this study employs the finite element method to construct a nonlinear torsional vibration analysis model of the propulsion shafting system under the friction excitation of the stern bearing. The shooting method is applied to explore the influence of key parameters, such as the rotational speed of the shafting system, the structural damping ratio, the inclination degree of the shafting system, and the propeller excitation, on this vibration. The study finds that the root cause of this type of vibration lies in the existence of local torsional vibration modes near the stern bearing. The lower the rotational speed and the greater the friction force, the more likely this type of vibration is to occur. The inclination of the shafting system will increase the local friction force, thereby increasing the probability of this type of vibration. The blade frequency excitation force of the propeller will cause a sideband phenomenon in the spectrum of the self-excited vibration, that is, a series of equally spaced blade frequency components will form on both sides of the self-excited vibration frequency. Through in-depth analysis of a large amount of data, this study proposes a criterion formula to determine whether the propulsion shafting system will undergo frictional torsional self-excited vibration, and verifies the effectiveness through numerical calculations. This criterion formula can provide an important theoretical basis for the design of early fault warning mechanisms of the ship propulsion shafting system.
, authors=Xue-bing ZHANG
1, Shu SHU
1, Jia-peng YU
1, Chun-xiao JIAO
2, Dong-lin ZOU
2, authorsList=Xue-bing ZHANG, Shu SHU, Jia-peng YU, Chun-xiao JIAO, Dong-lin ZOU, authorCompany=null, correspAuthors=null, 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=1324392932035408286, articleId=1324392905179279554, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=艉轴承摩擦诱导的推进轴系扭振自激振动及判据公式构建, columnId=1241023038515376243, journalTitle=船舶力学, columnName=流体与结构声学, runingTitle=null, highlight=null, articleAbstract=
船舶推进轴系在运转过程中,常受水润滑艉轴承摩擦激励,由此诱发自激振动噪声。实船测试结果显示,这类振动在频谱中表现为推进轴系某一阶扭转振动固有频率及其倍频分量的特征。为了探究此类振动的成因并提出有效的判据公式,本研究借助有限元法,构建了艉轴承摩擦激励作用下推进轴系的非线性扭转振动分析模型,运用打靶法研究轴系旋转速度、结构阻尼比、轴系倾斜程度以及螺旋桨激励等关键参数对该振动的影响规律。研究发现,此类振动的根源在于艉轴承附近存在扭转振动局部模态;转速越低,摩擦力越大,该类振动越易发生;轴系倾斜会使局部摩擦力增大,从而增大这类振动发生概率;螺旋桨叶频激励力将在自激振动频谱中引发边频带现象,即在自激振动频率两侧形成一系列等间距的叶频激励频率分量。通过对大量数据的深入分析,本研究提出了一个可判断推进轴系是否将发生摩擦扭转自激振动的判据公式,并通过数值计算验证了其有效性。该判据公式可为船舶推进轴系早期故障预警机制的设计提供重要的理论依据。
, authors=张雪冰
1, 疏舒
1, 喻家鹏
1, 焦春晓
2, 邹冬林
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2State 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=1324392933281116600, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, authorId=1324392933130121653, language=CN, stringName=焦春晓, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2上海交通大学 机械系统与振动全国重点实验室,上海 200240, bio={"content":"
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Abnormal vibration spectrum of a ship stern tube seal, figureFileSmall=2ZYvhhKfJnacYPCz6emNtA==, figureFileBig=Zc+tmpaqEYTRBQlVmGu0Qw==, tableContent=null), ArticleFig(id=1324392936116466121, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=图1, caption=
船舶推进轴系异常振动加速度频谱, figureFileSmall=2ZYvhhKfJnacYPCz6emNtA==, figureFileBig=Zc+tmpaqEYTRBQlVmGu0Qw==, tableContent=null), ArticleFig(id=1324392936321987018, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=EN, label=Fig.2, caption=
Schematic of marine propulsion shafting, figureFileSmall=StNMg8xiyEUwyLR0HhRb3g==, figureFileBig=v5j7r49JJUSaXS7Pzh0lmg==, tableContent=null), ArticleFig(id=1324392936397484491, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=图2, caption=
船舶推进轴系示意图, figureFileSmall=StNMg8xiyEUwyLR0HhRb3g==, figureFileBig=v5j7r49JJUSaXS7Pzh0lmg==, tableContent=null), ArticleFig(id=1324392936472981964, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=EN, label=Fig.3, caption=
Cosine distribution of circumferential pressure on the bearing, figureFileSmall=Vh8RQGGU1hOJlQspJikFwQ==, figureFileBig=yylivtJNQ+sT0na8VY96tg==, tableContent=null), ArticleFig(id=1324392936565256653, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=图3, caption=
轴瓦上压力周向成余弦分布示意图, figureFileSmall=Vh8RQGGU1hOJlQspJikFwQ==, figureFileBig=yylivtJNQ+sT0na8VY96tg==, tableContent=null), ArticleFig(id=1324392936636559822, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=EN, label=Fig.4, caption=
Simplified diagram of the propulsion shafting, figureFileSmall=uHI557dEPwyylvh+iB7JHw==, figureFileBig=mt0U9o8BTJPCKfhJ0LW3JA==, tableContent=null), ArticleFig(id=1324392936707862991, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=图4, caption=
推进轴系简化图, figureFileSmall=uHI557dEPwyylvh+iB7JHw==, figureFileBig=mt0U9o8BTJPCKfhJ0LW3JA==, tableContent=null), ArticleFig(id=1324392936770777552, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=EN, label=Fig.5, caption=
Relationship between friction coefficients and rotational speeds, figureFileSmall=lQlAVX/+DZBtVkbcESMbvg==, figureFileBig=t+vJQPtGE/QX3+cN9EGjBg==, tableContent=null), ArticleFig(id=1324392936858857937, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=图5, caption=
摩擦系数随转速变化关系, figureFileSmall=lQlAVX/+DZBtVkbcESMbvg==, figureFileBig=t+vJQPtGE/QX3+cN9EGjBg==, tableContent=null), ArticleFig(id=1324392936921772498, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=EN, label=Fig.6, caption=
Time-domain waveform and frequency spectrum of abnormal vibrations (ξ=0.01,ω=20 r/min), figureFileSmall=oZAeBFZtsj1VSVj/TulF6Q==, figureFileBig=dq3czcEPJLh70vwMgAVneQ==, tableContent=null), ArticleFig(id=1324392937009852883, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=图6, caption=
异常振动时域曲线和频谱图 (ξ=0.01,ω=20 r/min), figureFileSmall=oZAeBFZtsj1VSVj/TulF6Q==, figureFileBig=dq3czcEPJLh70vwMgAVneQ==, tableContent=null), ArticleFig(id=1324392937089544660, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=EN, label=Fig.7, caption=
Third torsional vibration mode shape of the propulsion shaft system (71.5 Hz), figureFileSmall=X66CV/y49ZkhUxpmxy6aeg==, figureFileBig=mpYU0wg5cq3iloWje6Ljag==, tableContent=null), ArticleFig(id=1324392937148264917, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=图7, caption=
推进轴系第三阶扭振模态振型(71.5 Hz), figureFileSmall=X66CV/y49ZkhUxpmxy6aeg==, figureFileBig=mpYU0wg5cq3iloWje6Ljag==, tableContent=null), ArticleFig(id=1324392937215373782, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=EN, label=Fig.8, caption=
Influence of rotational speed on propulsion shaft system vibration (ξ=0.01), figureFileSmall=io0Cl1Y23tXwKRE0MOEYkg==, figureFileBig=gWzqgK+aakQ5TlTn+g642Q==, tableContent=null), ArticleFig(id=1324392940734394839, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=图8, caption=
转速对推进轴系振动影响 (ξ=0.01), figureFileSmall=io0Cl1Y23tXwKRE0MOEYkg==, figureFileBig=gWzqgK+aakQ5TlTn+g642Q==, tableContent=null), ArticleFig(id=1324392940830863832, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=EN, label=Fig.9, caption=
Influence of damping ratio on propulsion shaft system vibration (20 r/min), figureFileSmall=9LLJn9BAiRKhaL5Yz3ZM8g==, figureFileBig=hT7MpTNx1w4B2ftSp0cnNA==, tableContent=null), ArticleFig(id=1324392940902167001, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=图9, caption=
阻尼比对推进轴系振动影响 (20 r/min), figureFileSmall=9LLJn9BAiRKhaL5Yz3ZM8g==, figureFileBig=hT7MpTNx1w4B2ftSp0cnNA==, tableContent=null), ArticleFig(id=1324392940994441690, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=EN, label=Fig.10, caption=
Influence of shaft misalignment on propulsion shaft system vibration (ξ=0.05, ω=20 r/min), figureFileSmall=WSq8ejs/wSs84i6U/MG65g==, figureFileBig=L0qi9LTFQhfk90E0CoFCJg==, tableContent=null), ArticleFig(id=1324392941074133467, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=图10, caption=
轴系倾斜对推进轴系振动影响 (ξ=0.05, ω=20 r/min), figureFileSmall=WSq8ejs/wSs84i6U/MG65g==, figureFileBig=L0qi9LTFQhfk90E0CoFCJg==, tableContent=null), ArticleFig(id=1324392941158019548, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=EN, label=Fig.11, caption=
Influence of shaft vibration on propulsion shaft system vibration (ξ=0.01, ω=20 r/min), figureFileSmall=kM/0aa5Lud/uu/7v/pn3LQ==, figureFileBig=JNtr7hNG57SLbIIRi4FIpw==, tableContent=null), ArticleFig(id=1324392941229322717, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=图11, caption=
轴系振动对推进轴系振动影响 (ξ=0.01, ω=20 r/min), figureFileSmall=kM/0aa5Lud/uu/7v/pn3LQ==, figureFileBig=JNtr7hNG57SLbIIRi4FIpw==, tableContent=null), ArticleFig(id=1324392941325791710, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=EN, label=Fig.12, caption=
Comparison of the accuracy between the criterion formula and numerical calculation results under different damping ratios, figureFileSmall=HABUytwFdvbsXx9a4qscJw==, figureFileBig=sM0PUrKILjJKu35wdJVQZg==, tableContent=null), ArticleFig(id=1324392941397094879, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=图12, caption=
不同阻尼比下判据公式与数值计算结果精度对比, figureFileSmall=HABUytwFdvbsXx9a4qscJw==, figureFileBig=sM0PUrKILjJKu35wdJVQZg==, tableContent=null), ArticleFig(id=1324392941468398048, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=EN, label=Tab.1, caption=
Simplified dimensions of the propulsion shafting (m)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 轴段1 | | 轴段2 | | 轴段3 | | 轴段4 | | 轴段5 |
| L1 | Ro1 | Ri1 | | L2 | Ro2 | Ri2 | | L3 | Ro3 | Ri3 | | L4 | Ro4 | Ri4 | | L5 | Ro5 | Ri5 |
| 3 | 0.15 | 0.06 | | 0.5 | 0.18 | 0.09 | | 7 | 0.15 | 0.06 | | 8.5 | 0.15 | 0.06 | | 5 | 0.15 | 0.06 |
), ArticleFig(id=1324392941539701217, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=表1, caption=
简化后的轴系尺寸(m)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 轴段1 | | 轴段2 | | 轴段3 | | 轴段4 | | 轴段5 |
| L1 | Ro1 | Ri1 | | L2 | Ro2 | Ri2 | | L3 | Ro3 | Ri3 | | L4 | Ro4 | Ri4 | | L5 | Ro5 | Ri5 |
| 3 | 0.15 | 0.06 | | 0.5 | 0.18 | 0.09 | | 7 | 0.15 | 0.06 | | 8.5 | 0.15 | 0.06 | | 5 | 0.15 | 0.06 |
), ArticleFig(id=1324392941606810082, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=EN, label=Tab.2, caption=
The first four orders of natural frequencies and modal damping ratios
, figureFileSmall=null, figureFileBig=null, tableContent=
| 阶数 | 第一阶 | 第二阶 | 第三阶 | 第四阶 |
| 自由边界下固有频率 /Hz | 0 | 4.434 | 71.895 | 144.384 |
| 若约束下固有频率 /Hz | 0.004 | 4.434 | 71.895 | 144.384 |
| 第一阶模态阻尼比取0.01,第三阶模态阻尼比取 0.01 | 0.01 | 0.0063 | 0.01 | 0.02 |
| 第一阶模态阻尼比取0.01,第三阶模态阻尼比取 0.03 | 0.01 | 0.013 | 0.03 | 0.042 |
| 第一阶模态阻尼比取0.01,第三阶模态阻尼比取 0.05 | 0.01 | 0.021 | 0.05 | 0.069 |
), ArticleFig(id=1324392941678113251, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=表2, caption=
前四阶固有频率及模态阻尼比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 阶数 | 第一阶 | 第二阶 | 第三阶 | 第四阶 |
| 自由边界下固有频率 /Hz | 0 | 4.434 | 71.895 | 144.384 |
| 若约束下固有频率 /Hz | 0.004 | 4.434 | 71.895 | 144.384 |
| 第一阶模态阻尼比取0.01,第三阶模态阻尼比取 0.01 | 0.01 | 0.0063 | 0.01 | 0.02 |
| 第一阶模态阻尼比取0.01,第三阶模态阻尼比取 0.03 | 0.01 | 0.013 | 0.03 | 0.042 |
| 第一阶模态阻尼比取0.01,第三阶模态阻尼比取 0.05 | 0.01 | 0.021 | 0.05 | 0.069 |
), ArticleFig(id=1324392941745222116, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=EN, label=Tab.3, caption=
Initial calculation parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 静摩擦系数$ {\mu }_{0} $ | 动摩擦系数$ {\mu }_{1} $ | 摩擦衰减系数a |
| 0.9 | 0.1 | 2 |
), ArticleFig(id=1324392941854274021, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392905179279554, language=CN, label=表3, caption=
计算初始参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 静摩擦系数$ {\mu }_{0} $ | 动摩擦系数$ {\mu }_{1} $ | 摩擦衰减系数a |
| 0.9 | 0.1 | 2 |
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