Article(id=1227591812643226133, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1227591806980915649, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.202308050, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1692892800000, receivedDateStr=2023-08-25, revisedDate=1699113600000, revisedDateStr=2023-11-05, acceptedDate=null, acceptedDateStr=null, onlineDate=1770610295687, onlineDateStr=2026-02-09, pubDate=1757433600000, pubDateStr=2025-09-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770610295687, onlineIssueDateStr=2026-02-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770610295687, creator=13701087609, updateTime=1770610295687, updator=13701087609, issue=Issue{id=1227591806980915649, tenantId=1146029695717560320, journalId=1225147924628267009, year='2025', volume='38', issue='9', pageStart='1935', pageEnd='2204', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1770610294337, creator=13701087609, updateTime=1770610356968, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1227592069754057532, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1227591806980915649, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1227592069754057533, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1227591806980915649, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=2088, endPage=2097, ext={EN=ArticleExt(id=1227591812920050204, articleId=1227591812643226133, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Characteristics of internal resonance of the forward and backward modes due to impacts between flexible rotor and stator, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Impacts between the flexible rotor and stator will excite the internal resonance of the forward and backward modes, resulting in asynchronous vibration, i.e, intermittent contact between the rotor and stator. To reveal the internal resonance mechanisms of the forward modes and backward modes, a mathematical model of the rotor system is established, Runge-Kutta numerical solution is used to solve the equation of motion, and the event detection function is used to detect the contact and non-contact motions. Through the coordinate system transformation, the Campbell diagrams of the rotor system under the stationary coordinate system and the rotating coordinate system are obtained, and the internal resonance speeds in the forward modes and backward modes are analyzed. Through the numerically calculated bifurcation diagram, the trajectory and frequency domain characteristics of the rotor when the asynchronous contact motion occurs are analyzed. The results show that the main resonance amplitude jumps at the critical speed, and there are two asynchronous contact response speed ranges. The rotor exhibits a closed continuous precession law in the stationary coordinate system and a periodic motion law in the rotating coordinate system, and there is a frequency doubling relationship in the rotation coordinate system, and the system has 2:1 and 3:1 internal resonance phenomena. The numerical simulation analysis verifies the correctness of the rotating speed predictions corresponding to the internal resonance, and the rotating speeds corresponding to the internal resonance can be predicted by this calculation method to avoid the internal resonance phenomenon caused by asynchronous contact.
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柔性转静子碰撞会激发正向模态和反向模态内共振,造成非同步振动,即转子和静子之间间歇性接触。为了揭示正向模态和反向模态内共振机理,建立转子系统数学模型,采用Runge-Kutta数值求解运动方程,利用事件检测函数检测接触和非接触运动;通过坐标系变换,得到转子系统在静止坐标系和旋转坐标系下的坎贝尔图,分析正向模态和反向模态内共振转速;通过数值计算的分岔图,分析非同步接触运动发生时,转子的运动轨迹和频域特征。结果表明:系统在临界转速下出现主共振振幅跳跃现象,且存在两个非同步接触响应转速区间。转子在静止坐标系下表现出封闭的连续进动规律,在旋转坐标系下具有周期性运动规律,且在旋转坐标系下频率存在倍频关系,系统存在2:1和3:1内共振现象。数值仿真分析验证了内共振对应的转速预测的正确性,通过该计算方法可以预测内共振出现的转速,避免因跳跃性接触引发的内共振现象。
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1.Department of Safety Engineering, College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Liyang 213300, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1227653065310925264, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, authorId=1227653065097015741, language=CN, stringName=王海飞, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.Department of Safety Engineering, College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Liyang 213300, China), AuthorCompanyExt(id=1227653064870523295, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, companyId=1227653064853746076, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.Department of Safety Engineering, College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Liyang 213300, China), AuthorCompanyExt(id=1227653064870523295, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, companyId=1227653064853746076, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.Department of Safety Engineering, College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Liyang 213300, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1227653067391300109, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, authorId=1227653067089310204, language=CN, stringName=张陆斌, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.Department of Safety Engineering, College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Liyang 213300, China), AuthorCompanyExt(id=1227653064870523295, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, companyId=1227653064853746076, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.Department of Safety Engineering, College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Liyang 213300, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1227653067747815974, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, authorId=1227653067512934933, language=CN, stringName=区梓键, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.Department of Safety Engineering, College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Liyang 213300, China), AuthorCompanyExt(id=1227653064870523295, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, companyId=1227653064853746076, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.Engineering Training Center, Department of Public Experimental Teaching, Nanjing University of Aeronautics and Astronautics, Liyang 213300, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1227653068062388799, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, authorId=1227653067844284974, language=CN, stringName=周天, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.南京航空航天大学公共实验教学部工程训练中心,江苏 溧阳 213300, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1227653064979575213, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, xref=2., ext=[AuthorCompanyExt(id=1227653064987963822, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, companyId=1227653064979575213, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.Department of Safety Engineering, College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Liyang 213300, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1227653068456653399, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, authorId=1227653068167246403, language=CN, stringName=陈果, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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The model of a rotor-stator interaction, figureFileSmall=JzaCE7M2pk5GVoqA0xfq6Q==, figureFileBig=JP8s/W2ylQ1RYs0jjXBZKw==, tableContent=null), ArticleFig(id=1227653071656907466, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图1, caption=
转静子接触模型, figureFileSmall=JzaCE7M2pk5GVoqA0xfq6Q==, figureFileBig=JP8s/W2ylQ1RYs0jjXBZKw==, tableContent=null), ArticleFig(id=1227653071820485327, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 2, caption=
Campbell diagram of the rotor system in the stationary coordinate system, figureFileSmall=TZoWjlKi23zIhAHRcVKBKg==, figureFileBig=37lbC3L9KTJdVM6mSf2yJA==, tableContent=null), ArticleFig(id=1227653071921148630, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图2, caption=
静止坐标系下转子系统的坎贝尔图, figureFileSmall=TZoWjlKi23zIhAHRcVKBKg==, figureFileBig=37lbC3L9KTJdVM6mSf2yJA==, tableContent=null), ArticleFig(id=1227653072005034716, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 3, caption=
The law of the modal frequencies of flexible rotor system changing with speed in the rotating coordinate system, figureFileSmall=XKNesoSjshYHWf9CNLcNbA==, figureFileBig=tJYzYQilcG6PtVYt29BjfQ==, tableContent=null), ArticleFig(id=1227653072084726499, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图3, caption=
在旋转坐标系下柔性转子系统的模态频率随转速的变化规律, figureFileSmall=XKNesoSjshYHWf9CNLcNbA==, figureFileBig=tJYzYQilcG6PtVYt29BjfQ==, tableContent=null), ArticleFig(id=1227653072218944234, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 4, caption=
Bifurcation diagram of the maximum radial clearance as a function of rotational speed, figureFileSmall=chxjRTMTcg+yxpWFm++dqQ==, figureFileBig=1ceWVfGczfGrXt0Gqpr4bA==, tableContent=null), ArticleFig(id=1227653072340579059, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图4, caption=
最大径向间隙随转速变化的分岔图, figureFileSmall=chxjRTMTcg+yxpWFm++dqQ==, figureFileBig=1ceWVfGczfGrXt0Gqpr4bA==, tableContent=null), ArticleFig(id=1227653072458019574, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 5, caption=
Power spectral density plot, figureFileSmall=Mn0DfNiMmYijE5yOsY39uA==, figureFileBig=wCz23C2LcFd0/QRVfS1CHQ==, tableContent=null), ArticleFig(id=1227653072558682877, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图5, caption=
功率谱密度图, figureFileSmall=Mn0DfNiMmYijE5yOsY39uA==, figureFileBig=wCz23C2LcFd0/QRVfS1CHQ==, tableContent=null), ArticleFig(id=1227653072697094910, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 6, caption=
Axial trajectory of rotor 2 when rotating speed is 411 r/min, figureFileSmall=JbHUyqsbACcKmhC8tV2OwA==, figureFileBig=6dntcLF6yORM0wJEHgwM8A==, tableContent=null), ArticleFig(id=1227653072793563906, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图6, caption=
转子2在转速为411 r/min时的轴心轨迹, figureFileSmall=JbHUyqsbACcKmhC8tV2OwA==, figureFileBig=6dntcLF6yORM0wJEHgwM8A==, tableContent=null), ArticleFig(id=1227653072885838599, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 7, caption=
Poincaré map of rotor 2 in the rotating coordinate system(rotating speed is 411 r/min), figureFileSmall=/hkkaTB9FBgAzoFL7ozWTg==, figureFileBig=SX+cysCAsXYb/3RmqouUpQ==, tableContent=null), ArticleFig(id=1227653072965530381, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图7, caption=
旋转坐标系下转子2 的Poincaré映射图(转速为411 r/min), figureFileSmall=/hkkaTB9FBgAzoFL7ozWTg==, figureFileBig=SX+cysCAsXYb/3RmqouUpQ==, tableContent=null), ArticleFig(id=1227653073070387986, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 8, caption=
Time-domain curves of rotor 2 in the x direction in the rotating coordinate system(rotating speed is 411 r/min), figureFileSmall=lNY/dVW3hKAHhJdofGcbqw==, figureFileBig=GVIVqnSok/X9i1IjpzNP2g==, tableContent=null), ArticleFig(id=1227653073175245587, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图8, caption=
旋转坐标系下转子2在x方向的时域曲线(转速为411 r/min), figureFileSmall=lNY/dVW3hKAHhJdofGcbqw==, figureFileBig=GVIVqnSok/X9i1IjpzNP2g==, tableContent=null), ArticleFig(id=1227653073259131673, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 9, caption=
The spectrum of rotor 2 in the x direction(rotating speed is 411 r/min), figureFileSmall=q5Pe2V41z3QAvFY5xT5pUA==, figureFileBig=JOvFB/7R8gzFXUq/ZnP+3Q==, tableContent=null), ArticleFig(id=1227653073384960800, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图9, caption=
转子2 在x方向的频谱图(转速为411 r/min), figureFileSmall=q5Pe2V41z3QAvFY5xT5pUA==, figureFileBig=JOvFB/7R8gzFXUq/ZnP+3Q==, tableContent=null), ArticleFig(id=1227653073510789925, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 10, caption=
Axial trajectory of rotor 2 when rotating speed is 420 r/min, figureFileSmall=x6OtIsEZyUZIDGCrSe9OCg==, figureFileBig=BnzsQmP6DPnfNUoPKj8dew==, tableContent=null), ArticleFig(id=1227653073657590575, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图10, caption=
转子2在转速为420 r/min时的轴心轨迹, figureFileSmall=x6OtIsEZyUZIDGCrSe9OCg==, figureFileBig=BnzsQmP6DPnfNUoPKj8dew==, tableContent=null), ArticleFig(id=1227653073770836790, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 11, caption=
Poincaré map of rotor 2 in the rotating coordinate system(rotating speed is 420 r/min), figureFileSmall=UmeDhwwhcHU7qGzXywssdA==, figureFileBig=9C7pvSDwooW9yRJbvOB9rQ==, tableContent=null), ArticleFig(id=1227653073909248831, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图11, caption=
旋转坐标系下转子2 的Poincaré映射图(转速为420 r/min), figureFileSmall=UmeDhwwhcHU7qGzXywssdA==, figureFileBig=9C7pvSDwooW9yRJbvOB9rQ==, tableContent=null), ArticleFig(id=1227653074026689345, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 12, caption=
Time-domain curves of rotor 2 in the x direction in the rotating coordinate system(rotating speed is 420 r/min), figureFileSmall=Spz2hr1OurwrPiqNyvTybQ==, figureFileBig=2DNvPjShSgX5x9TJkffRqw==, tableContent=null), ArticleFig(id=1227653074102186822, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图12, caption=
旋转坐标系下转子2在x方向的时域曲线(转速为420 r/min), figureFileSmall=Spz2hr1OurwrPiqNyvTybQ==, figureFileBig=2DNvPjShSgX5x9TJkffRqw==, tableContent=null), ArticleFig(id=1227653074173489996, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 13, caption=
The spectrum of rotor 2 in the x direction(rotating speed is 420 r/min), figureFileSmall=4qp5Q20xyFiahIUz8LP0/g==, figureFileBig=mjGrgj5FCojLt1nXZrHOvw==, tableContent=null), ArticleFig(id=1227653074286736209, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图13, caption=
转子2 在x方向的频谱图(转速为420 r/min), figureFileSmall=4qp5Q20xyFiahIUz8LP0/g==, figureFileBig=mjGrgj5FCojLt1nXZrHOvw==, tableContent=null), ArticleFig(id=1227653074425148252, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 14, caption=
Axial trajectory of rotor 2 when rotating speed is 840 r/min, figureFileSmall=SH4Ftl2WeawWLDFlWfJPHQ==, figureFileBig=VHBrrD15PEtO35GMDNCttA==, tableContent=null), ArticleFig(id=1227653075855405929, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图14, caption=
转子2在转速为840 r/min时的轴心轨迹, figureFileSmall=SH4Ftl2WeawWLDFlWfJPHQ==, figureFileBig=VHBrrD15PEtO35GMDNCttA==, tableContent=null), ArticleFig(id=1227653077797368688, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 15, caption=
Poincaré map of rotor 2 in the rotating coordinate system(rotating speed is 840 r/min), figureFileSmall=RbNY+mukmTeekGX2O5sn1g==, figureFileBig=nGLwr3c2w26+iFbgUYJewA==, tableContent=null), ArticleFig(id=1227653077965140858, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图15, caption=
旋转坐标系下转子2 的Poincaré映射图(转速为840 r/min), figureFileSmall=RbNY+mukmTeekGX2O5sn1g==, figureFileBig=nGLwr3c2w26+iFbgUYJewA==, tableContent=null), ArticleFig(id=1227653078145495936, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 16, caption=
Time-domain curves of rotor 2 in the x direction in the rotating coordinate system(rotating speed is 840 r/min), figureFileSmall=FGy25b6xzAphx9hghdPnAQ==, figureFileBig=oNY+K7jrBK7ahYcVZj5u/A==, tableContent=null), ArticleFig(id=1227653078271325059, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图16, caption=
旋转坐标系下转子2在x方向的时域曲线(转速为840 r/min), figureFileSmall=FGy25b6xzAphx9hghdPnAQ==, figureFileBig=oNY+K7jrBK7ahYcVZj5u/A==, tableContent=null), ArticleFig(id=1227653078359405448, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Fig. 17, caption=
The spectrum of rotor 2 in the x direction(rotating speed is 840 r/min), figureFileSmall=J7xW+O1Al6iVCd8MScWmfg==, figureFileBig=dL3/kH+GrOZQp6udoWeO/g==, tableContent=null), ArticleFig(id=1227653078451680142, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=图17, caption=
转子2 在x方向的频谱图(转速为840 r/min), figureFileSmall=J7xW+O1Al6iVCd8MScWmfg==, figureFileBig=dL3/kH+GrOZQp6udoWeO/g==, tableContent=null), ArticleFig(id=1227653078560732050, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=EN, label=Tab. 1, caption=
Calculation parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 圆盘1的直径d1/mm | 46 |
| 圆盘2的直径d2/mm | 46 |
| 圆盘1的厚度v1/mm | 19 |
| 圆盘2的厚度v2/mm | 19 |
| 圆盘1的质量M1/kg | 0.28 |
| 圆盘2的质量M2/kg | 0.42 |
| 圆盘1的偏心量ε1/mm | 2 |
| 圆盘2的偏心量ε2/mm | 3 |
| 转子1的长度L1/mm | 333 |
| 转子2的长度L2/mm | 257 |
| 缓冲环中心到圆盘2几何中心的长度a/mm | 84 |
| 电机到圆盘1几何中心的长度b/mm | 166.5 |
| 缓冲环的静子径向间隙c/mm | 10 |
| 静子的刚度ks/(N·m−1) | 200 |
| 重力加速度g/(m·s−2) | 9.81 |
| 螺旋联轴器1的角刚度kr1/[N·m·(°)−1] | 6.0 |
| 螺旋联轴器2的角刚度kr2/[N·m·(°)−1] | 6.0 |
| 螺旋联轴器1的模态阻尼比ζ1 | 0.02 |
| 螺旋联轴器2的模态阻尼比ζ2 | 0.02 |
), ArticleFig(id=1227653078669783958, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591812643226133, language=CN, label=表1, caption=
计算参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| 圆盘1的直径d1/mm | 46 |
| 圆盘2的直径d2/mm | 46 |
| 圆盘1的厚度v1/mm | 19 |
| 圆盘2的厚度v2/mm | 19 |
| 圆盘1的质量M1/kg | 0.28 |
| 圆盘2的质量M2/kg | 0.42 |
| 圆盘1的偏心量ε1/mm | 2 |
| 圆盘2的偏心量ε2/mm | 3 |
| 转子1的长度L1/mm | 333 |
| 转子2的长度L2/mm | 257 |
| 缓冲环中心到圆盘2几何中心的长度a/mm | 84 |
| 电机到圆盘1几何中心的长度b/mm | 166.5 |
| 缓冲环的静子径向间隙c/mm | 10 |
| 静子的刚度ks/(N·m−1) | 200 |
| 重力加速度g/(m·s−2) | 9.81 |
| 螺旋联轴器1的角刚度kr1/[N·m·(°)−1] | 6.0 |
| 螺旋联轴器2的角刚度kr2/[N·m·(°)−1] | 6.0 |
| 螺旋联轴器1的模态阻尼比ζ1 | 0.02 |
| 螺旋联轴器2的模态阻尼比ζ2 | 0.02 |
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