Article(id=1243879842966516528, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243879841024553767, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2024.09.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1711123200000, receivedDateStr=2024-03-23, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1774493664733, onlineDateStr=2026-03-26, pubDate=1726761600000, pubDateStr=2024-09-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1774493664733, onlineIssueDateStr=2026-03-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774493664733, creator=13701087609, updateTime=1774493664733, updator=13701087609, issue=Issue{id=1243879841024553767, tenantId=1146029695717560320, journalId=1240685776644648972, year='2024', volume='28', issue='9', pageStart='1297', pageEnd='1462', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1774493664270, creator=13701087609, updateTime=1774493987725, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1243881197806404366, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243879841024553767, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1243881197806404367, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243879841024553767, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1380, endPage=1393, ext={EN=ArticleExt(id=1243879843239146295, articleId=1243879842966516528, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Analysis of lubrication characteristics of ship stern bearing considering wear depth and elastic deformation, columnId=1241023037940748650, journalTitle=Journal of Ship Mechanics, columnName=Hydrodynamics, runingTitle=null, highlight=null, articleAbstract=
Based on the analysis of the lubrication performance of the eccentric stern bearing, an elasto-hydrodynamic coupling lubrication model for the local wear and stiffness of the stern bearing was established. The joint program of finite difference method and finite element method was compiled to solve the elastic deformation of the bearing, and the mass conservation boundary condition was used to replace the Reynolds boundary condition. The effects of local wear depth, bearing elastic modulus and other factors on the hydrodynamic pressure, liquid film thickness, cavitation area and friction law of the bearing were discussed in detail. The results show that when the local wear depth of rigid body bearing is lower than the threshold value, it is beneficial for bearing lubrication. When the local wear depth exceeds the threshold value, the maximum hydrodynamic pressure, friction force and cavitation area increase significantly. The influence of bearing elastic deformation on the calculation results cannot be ignored. Elastic deformation and local wear exist at the same time, and the change law is basically consistent with the change trend of local wear of rigid body bearings.
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本文在分析偏心艉轴承润滑性能的基础上,建立艉轴承局部磨损和刚度的弹流耦合润滑模型,并编写有限差分法和有限元法联合程序求解轴承弹性变形,采用质量守恒边界条件代替雷诺边界条件,详细讨论局部磨损深度、轴承弹性模量等因素对轴承流体动压力、液膜厚度、空穴区域和摩擦力规律的影响。结果表明:刚体轴承局部磨损深度低于阈值时有益于轴承润滑,而超过阈值时对应的最大流体动压、摩擦力和空化区域将明显增加;轴承弹性形变对计算结果影响不可忽视,弹性形变和局部磨损同时存在,其变化规律与刚体轴承局部磨损变化趋势基本一致。
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75: 31-38., articleTitle=Numerical analysis of plain journal bearing under hydrodynamic lubrication by water, refAbstract=null)], funds=[Fund(id=1243879861509534196, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, awardId=52272377; 51809201, language=CN, fundingSource=国家自然科学基金项目(52272377; 51809201), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1243879851866828909, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, xref=a., ext=[AuthorCompanyExt(id=1243879851871023212, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, companyId=1243879851866828909, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3D finite element grid of bearing, figureFileSmall=bRbPetrPFFEnEQlMXPuxpQ==, figureFileBig=EJnA85UEHIjU8v1KU2navw==, tableContent=null), ArticleFig(id=1243879855717200143, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图1, caption=
轴承三维有限元网格, figureFileSmall=bRbPetrPFFEnEQlMXPuxpQ==, figureFileBig=EJnA85UEHIjU8v1KU2navw==, tableContent=null), ArticleFig(id=1243879856031772951, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.2, caption=
Diagram and picture of local wear of bearing, figureFileSmall=xN7R+aUqbzxoLLPRfPCgQA==, figureFileBig=JqK9wSGdJAdt00t5PVJ5yQ==, tableContent=null), ArticleFig(id=1243879856128241952, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图2, caption=
轴承局部磨损图, figureFileSmall=xN7R+aUqbzxoLLPRfPCgQA==, figureFileBig=JqK9wSGdJAdt00t5PVJ5yQ==, tableContent=null), ArticleFig(id=1243879856337957158, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.3, caption=
Flow chart of solution, figureFileSmall=t5WJBDuFtVhAh2/X870+2A==, figureFileBig=thj1NBhzu4lmKLuUY9r2Ew==, tableContent=null), ArticleFig(id=1243879856442814765, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图3, caption=
求解流程图, figureFileSmall=t5WJBDuFtVhAh2/X870+2A==, figureFileBig=thj1NBhzu4lmKLuUY9r2Ew==, tableContent=null), ArticleFig(id=1243879856585421109, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.4, caption=
Verification of results for bearing capacity and hydrodynamic pressure, figureFileSmall=bmQxwviGIzfrGg+PX7RlmA==, figureFileBig=4/luF2LS+Ta4//vVw+XjkA==, tableContent=null), ArticleFig(id=1243879856698667322, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图4, caption=
承载力和流体动压程序验证, figureFileSmall=bmQxwviGIzfrGg+PX7RlmA==, figureFileBig=4/luF2LS+Ta4//vVw+XjkA==, tableContent=null), ArticleFig(id=1243879856967102785, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.5, caption=
2D comparison diagram of hydrodynamic pressure and film thickness for two kinds of boundary conditions, figureFileSmall=bVOyhOO/ADTKASk8Dv1e7w==, figureFileBig=0s3ZlmufLyM7CiMmpc29jg==, tableContent=null), ArticleFig(id=1243879857071960397, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图5, caption=
两种边界条件的流体动压和膜厚对比二维图, figureFileSmall=bVOyhOO/ADTKASk8Dv1e7w==, figureFileBig=0s3ZlmufLyM7CiMmpc29jg==, tableContent=null), ArticleFig(id=1243879857185206611, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.6, caption=
3D comparison diagram of hydrodynamic pressure and film thickness for two kinds of boundary conditions, figureFileSmall=zxql5EP0pE9LEnUFVUZn+w==, figureFileBig=kUDPcmiZ06WjHd+2WBwenQ==, tableContent=null), ArticleFig(id=1243879857269092692, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图6, caption=
两种边界条件的流体动压和膜厚对比三维图, figureFileSmall=zxql5EP0pE9LEnUFVUZn+w==, figureFileBig=kUDPcmiZ06WjHd+2WBwenQ==, tableContent=null), ArticleFig(id=1243879857399116122, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.7, caption=
2D film thickness diagram of end face, figureFileSmall=cwNiGomsWeknPhM7eRwqag==, figureFileBig=k1IS0eKYrJ5IEDQc8Tbw3w==, tableContent=null), ArticleFig(id=1243879857524945249, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图7, caption=
轴承L=100截面二维膜厚图, figureFileSmall=cwNiGomsWeknPhM7eRwqag==, figureFileBig=k1IS0eKYrJ5IEDQc8Tbw3w==, tableContent=null), ArticleFig(id=1243879857675940202, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.8, caption=
Friction at different local wear depths, figureFileSmall=x2Zxcya+JzJpto+dOZ63Gw==, figureFileBig=RiwWcml+aYaRORBTHz2YJg==, tableContent=null), ArticleFig(id=1243879857764020592, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图8, caption=
不同局部磨损深度摩擦力, figureFileSmall=x2Zxcya+JzJpto+dOZ63Gw==, figureFileBig=RiwWcml+aYaRORBTHz2YJg==, tableContent=null), ArticleFig(id=1243879857873072500, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.9, caption=
3D drawing of film thickness at different local wear depths, figureFileSmall=62fBDnA0Y309+VbfvNd4Jg==, figureFileBig=52y5MWXoRRADo80cgw46KQ==, tableContent=null), ArticleFig(id=1243879858003095932, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图9, caption=
不同局部磨损深度膜厚三维图, figureFileSmall=62fBDnA0Y309+VbfvNd4Jg==, figureFileBig=52y5MWXoRRADo80cgw46KQ==, tableContent=null), ArticleFig(id=1243879858103759231, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.10, caption=
3D diagram of hydrodynamic pressure at different local wear depths, figureFileSmall=TZ0YkrWUuMsCmWWXixzTDw==, figureFileBig=4xuScY3cteFmwKcMtKkSfQ==, tableContent=null), ArticleFig(id=1243879858217005443, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图10, caption=
不同局部磨损深度流体动压三维图, figureFileSmall=TZ0YkrWUuMsCmWWXixzTDw==, figureFileBig=4xuScY3cteFmwKcMtKkSfQ==, tableContent=null), ArticleFig(id=1243879858338640266, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.11, caption=
Contour plot of cavitation region with different local wear depths, figureFileSmall=IeHlzgfnR5EqT/x/SLzlLg==, figureFileBig=w67C6AYcuqjsquHp36e7wg==, tableContent=null), ArticleFig(id=1243879858430914961, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图11, caption=
不同局部磨损深度空化区域云图, figureFileSmall=IeHlzgfnR5EqT/x/SLzlLg==, figureFileBig=w67C6AYcuqjsquHp36e7wg==, tableContent=null), ArticleFig(id=1243879858573521300, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.12, caption=
2D film thickness diagram of end face, figureFileSmall=7Ws1FkiSGe+1v1LUW/5cuw==, figureFileBig=Lek8/wxgb5roIVBwV93grg==, tableContent=null), ArticleFig(id=1243879858649018776, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图12, caption=
Length=100端面二维膜厚图, figureFileSmall=7Ws1FkiSGe+1v1LUW/5cuw==, figureFileBig=Lek8/wxgb5roIVBwV93grg==, tableContent=null), ArticleFig(id=1243879858737099166, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.13, caption=
Friction force of bearing with different elastic moduli, figureFileSmall=twU8Vhlm2We7qh5Qb1x/0A==, figureFileBig=jGfGWjSEAGZ9plGnzfgncw==, tableContent=null), ArticleFig(id=1243879858816790943, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图13, caption=
轴承不同弹性模量摩擦力, figureFileSmall=twU8Vhlm2We7qh5Qb1x/0A==, figureFileBig=jGfGWjSEAGZ9plGnzfgncw==, tableContent=null), ArticleFig(id=1243879858942620068, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.14, caption=
3D drawing of film thickness of bearing with different elastic moduli, figureFileSmall=J5RNhG+ozXTT/DKt1Kpcww==, figureFileBig=DgpG9EmuckwNJFFe/BrUGw==, tableContent=null), ArticleFig(id=1243879859026506152, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图14, caption=
轴承不同弹性模量膜厚三维图, figureFileSmall=J5RNhG+ozXTT/DKt1Kpcww==, figureFileBig=DgpG9EmuckwNJFFe/BrUGw==, tableContent=null), ArticleFig(id=1243879859286553002, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.15, caption=
3D diagram of hydrodynamic pressure of bearing with different elastic moduli, figureFileSmall=dkp6NN4f1QfmTPuTbw0z8A==, figureFileBig=K5uWcNklSNeDN+22FpbWsg==, tableContent=null), ArticleFig(id=1243879859437547952, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图15, caption=
轴承不同弹性模量流体动压三维图, figureFileSmall=dkp6NN4f1QfmTPuTbw0z8A==, figureFileBig=K5uWcNklSNeDN+22FpbWsg==, tableContent=null), ArticleFig(id=1243879859542405556, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.16, caption=
Contour plot of cavitation region of bearing with different elastic moduli, figureFileSmall=/4m0arUIInNm/6wmDuQxKQ==, figureFileBig=oCLUJFSt18DSiwihaUhqcg==, tableContent=null), ArticleFig(id=1243879859664040374, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图16, caption=
轴承不同弹性模量空化区域云图, figureFileSmall=/4m0arUIInNm/6wmDuQxKQ==, figureFileBig=oCLUJFSt18DSiwihaUhqcg==, tableContent=null), ArticleFig(id=1243879859798258105, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.17, caption=
Film thickness diagram of bearing with different local wear depths and elastic moduli, figureFileSmall=5s/Mz2155lbYejZAC9ytDQ==, figureFileBig=/HHGXgQRKEVyZkWDsUUCRg==, tableContent=null), ArticleFig(id=1243879859890532796, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图17, caption=
轴承不同局部磨损深度和弹性模量的膜厚图, figureFileSmall=5s/Mz2155lbYejZAC9ytDQ==, figureFileBig=/HHGXgQRKEVyZkWDsUUCRg==, tableContent=null), ArticleFig(id=1243879859978613182, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.18, caption=
Friction force of bearing with different local wear depth and elastic moduli, figureFileSmall=xGqVBBvuE/AbpUwJRVMybQ==, figureFileBig=usdxHdVuguW4up5DB+If4w==, tableContent=null), ArticleFig(id=1243879860066693569, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图18, caption=
轴承不同局部磨损深度和弹性模量的摩擦力, figureFileSmall=xGqVBBvuE/AbpUwJRVMybQ==, figureFileBig=usdxHdVuguW4up5DB+If4w==, tableContent=null), ArticleFig(id=1243879860251242950, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.19, caption=
Maximum hydrodynamic pressure of bearing with different local wear depths and elastic moduli, figureFileSmall=HtFC1J8bfHgUBwSWG8N3wg==, figureFileBig=ns6Sbz6wE9PqQ9nmrmbjpw==, tableContent=null), ArticleFig(id=1243879860381266383, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图19, caption=
轴承在不同局部磨损深度和弹性模量下的最大流体动压, figureFileSmall=HtFC1J8bfHgUBwSWG8N3wg==, figureFileBig=ns6Sbz6wE9PqQ9nmrmbjpw==, tableContent=null), ArticleFig(id=1243879860490318288, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Fig.20, caption=
Contour plot of cavitation region of bearing with different local wear depths and elastic moduli, figureFileSmall=xDl+5nViKMtS6JmTJB2MqQ==, figureFileBig=bG5YnkMK8FjgLcml+xbRlA==, tableContent=null), ArticleFig(id=1243879860607758804, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=图20, caption=
轴承在不同局部磨损深度和弹性模量下的空化区域云图, figureFileSmall=xDl+5nViKMtS6JmTJB2MqQ==, figureFileBig=bG5YnkMK8FjgLcml+xbRlA==, tableContent=null), ArticleFig(id=1243879860741976536, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Tab.1, caption=
Selected parameters from Reference [19]
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 轴承直径D/mm | 80 |
| 轴承长度l/mm | 80 |
| 间隙比c/m | 0.001 |
| 偏心率ε | 0.6 |
| 转速n/(r⋅min-1) | 100-900 |
| 润滑剂动力黏度η/(Pa⋅s) | 0.001 |
), ArticleFig(id=1243879860859417051, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=表1, caption=
参考文献[19]的参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 轴承直径D/mm | 80 |
| 轴承长度l/mm | 80 |
| 间隙比c/m | 0.001 |
| 偏心率ε | 0.6 |
| 转速n/(r⋅min-1) | 100-900 |
| 润滑剂动力黏度η/(Pa⋅s) | 0.001 |
), ArticleFig(id=1243879860955886047, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Tab.2, caption=
Selected parameters from Reference [8]
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 轴承内径R/mm | 50 |
| 轴承长度l/mm | 80 |
| 间隙比c/m | 0.001 45 |
| 偏心率ε | 0.58 |
| 转速n/(r⋅min-1) | 2000 |
| 外载荷W/N | 4000 |
| 润滑剂动力黏度η/(Pa⋅s) | 0.0277 |
), ArticleFig(id=1243879861140435429, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=表2, caption=
参考文献[8]的参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 轴承内径R/mm | 50 |
| 轴承长度l/mm | 80 |
| 间隙比c/m | 0.001 45 |
| 偏心率ε | 0.58 |
| 转速n/(r⋅min-1) | 2000 |
| 外载荷W/N | 4000 |
| 润滑剂动力黏度η/(Pa⋅s) | 0.0277 |
), ArticleFig(id=1243879861278847464, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=EN, label=Tab.3, caption=
Parameters of the model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 符号/单位 | 数值 | 名称 | 符号/单位 | 数值 |
|---|
| 轴承内径 | R/mm | 30 | 转速 | n/(r⋅min-1) | 200 |
| 轴承外径 | R/mm | 32 | 粘度 | η/(Pa⋅s) | 0.018 |
| 轴承长度 | l/mm | 66 | 空化压力 | pc/Pa | -721 39.79 |
| 半径间隙 | c/mm | 0.06 | 外载荷 | W/N | 12 000 |
| 偏心距 | e/mm | 0.012 | | | |
), ArticleFig(id=1243879861396287982, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243879842966516528, language=CN, label=表3, caption=
模型参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 符号/单位 | 数值 | 名称 | 符号/单位 | 数值 |
|---|
| 轴承内径 | R/mm | 30 | 转速 | n/(r⋅min-1) | 200 |
| 轴承外径 | R/mm | 32 | 粘度 | η/(Pa⋅s) | 0.018 |
| 轴承长度 | l/mm | 66 | 空化压力 | pc/Pa | -721 39.79 |
| 半径间隙 | c/mm | 0.06 | 外载荷 | W/N | 12 000 |
| 偏心距 | e/mm | 0.012 | | | |
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