Article(id=1241038856825402056, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241038854333985467, articleNumber=null, orderNo=null, doi=10.16579/j.issn.1001.9669.2025.01.001, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1688227200000, receivedDateStr=2023-07-02, revisedDate=1692633600000, revisedDateStr=2023-08-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1773816320854, onlineDateStr=2026-03-18, pubDate=1736870400000, pubDateStr=2025-01-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773816320854, onlineIssueDateStr=2026-03-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773816320854, creator=13701087609, updateTime=1773816320854, updator=13701087609, issue=Issue{id=1241038854333985467, tenantId=1146029695717560320, journalId=1227999626482147330, year='2025', volume='47', issue='1', pageStart='1', pageEnd='154', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773816320260, creator=13701087609, updateTime=1773819065926, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241050370550591873, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241038854333985467, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241050370554786178, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241038854333985467, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1, endPage=11, ext={EN=ArticleExt(id=1241038857156752078, articleId=1241038856825402056, tenantId=1146029695717560320, journalId=1227999626482147330, language=EN, title=Study on dynamics characteristic on combination misalignment and rubbing of the dual-rotor system, columnId=1228282191914926752, journalTitle=Journal of Mechanical Strength, columnName=Vibration·Noise·Monitoring·Diagnosis, runingTitle=null, highlight=null, articleAbstract=
The misalignment of the dual-rotor system for the aero-engine will lead to abnormal increase of the vibration which results in the rotor-stator rubbing and affects the safty and stability of the rotor operation. The dual-rotor system was taken as the research object. Considering the combination misalignment-rubbing fault, the dynamic model of the rotor system is established based on the lumped mass method. The differential equation of the system motion was established according to the Lagrange equation, and the Range-Kutta method was used to solve it. The influence mechanism of the key parameters such as the speed, the misalignment angle and the coupling misalignment on the nonlinear dynamic characteristics of the system was studied. The results show that the system presents complex dynamic characteristics such as periodic, multi-periodic, quasi-periodic and chaotic motion with the increase of the rotor’s speed. When the speed is in the range of 1 500-2 200 rad/s, the system switches between periodic 2 motion and chaotic state through multiple paroxysmal bifurcations and paroxysmal inverted bifurcations. There are nonlinear phenomena such as jump in the bifurcation diagram of the vibration response with the change of the parallel misalignment of the coupling. As the misalignment angle of the bearing increases, the chaotic interval of the high speed decreases, and the stable periodic motion interval increases.
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航空发动机双转子系统不对中会导致振动异常增大,进而发生转静碰摩,影响转子安全稳定运行。以双转子系统为研究对象,考虑轴承不对中-联轴器不对中-碰摩故障,基于集中质量法建立转子系统动力学模型,根据拉格朗日方程建立系统运动微分方程,采用Range-Kutta法对其进行求解,研究转速、不对中角度、联轴器不对中量等关键参数对系统非线性动力学特性的影响机制。研究结果表明,随着转子转速增大,系统呈现出周期、多周期、拟周期、混沌运动等复杂的动力学特性,且转速在1 500~2 200 rad/s时,系统通过多次阵发性分岔和阵发性倒分岔在周期2运动和混沌状态之间切换;振动响应随联轴器平行不对中量变化的分岔图中存在“跳跃”等非线性现象;随着轴承不对中角度的增大,高转速的混沌区间缩小,稳定的周期运动区间增大。
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, authorsList=姚夏, 南国防, 李姚, 丘学文)}, authors=[Author(id=1241038877817893133, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=812428639@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241038877964693778, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, authorId=1241038877817893133, language=EN, stringName=Xia YAO, firstName=Xia, middleName=null, lastName=YAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241038878111494424, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, authorId=1241038877817893133, language=CN, stringName=姚夏, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=上海理工大学 能源与动力工程学院,上海 200093, bio={"content":"
姚夏,女,1999年生,江苏淮安人,硕士研究生;主要研究方向为非线性振动;E-mail:812428639@qq.com。
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姚夏,女,1999年生,江苏淮安人,硕士研究生;主要研究方向为非线性振动;E-mail:812428639@qq.com。
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南国防,男,1980年生,陕西兴平人,博士,副教授;主要研究方向为叶片减振、振动理论、非线性动力学等;E-mail:ngf@usst.edu.cn。
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南国防,男,1980年生,陕西兴平人,博士,副教授;主要研究方向为叶片减振、振动理论、非线性动力学等;E-mail:ngf@usst.edu.cn。
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Schematic diagram of the dual-rotor system, figureFileSmall=0aCnI0MfjGFyvKyfdX/rvg==, figureFileBig=ocTtUFvsOAmxYyeSmLhj6w==, tableContent=null), ArticleFig(id=1241038882255466868, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图1, caption=
双转子系统示意图, figureFileSmall=0aCnI0MfjGFyvKyfdX/rvg==, figureFileBig=ocTtUFvsOAmxYyeSmLhj6w==, tableContent=null), ArticleFig(id=1241038882624565626, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.2, caption=
Model of the rolling bearing, figureFileSmall=av10Zt7Y6EyKIpn5pxYibw==, figureFileBig=rXZi3lcTU9+4SzmAF8z2Og==, tableContent=null), ArticleFig(id=1241038882762977665, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图2, caption=
滚动轴承模型, figureFileSmall=av10Zt7Y6EyKIpn5pxYibw==, figureFileBig=rXZi3lcTU9+4SzmAF8z2Og==, tableContent=null), ArticleFig(id=1241038882897195399, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.3, caption=
Model of the gear coupling, figureFileSmall=/4wtvTMLDZq4zB8o+tf2gg==, figureFileBig=S9SFzgoo4Fl2aIn70Fr76w==, tableContent=null), ArticleFig(id=1241038883199185288, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图3, caption=
齿式联轴器模型, figureFileSmall=/4wtvTMLDZq4zB8o+tf2gg==, figureFileBig=S9SFzgoo4Fl2aIn70Fr76w==, tableContent=null), ArticleFig(id=1241038883299848587, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.4, caption=
Misalignment model, figureFileSmall=n9tIAFj/CLq0ke+uHtOpSA==, figureFileBig=IdDexu663WcncxPrc4DKZA==, tableContent=null), ArticleFig(id=1241038883375346062, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图4, caption=
不对中模型, figureFileSmall=n9tIAFj/CLq0ke+uHtOpSA==, figureFileBig=IdDexu663WcncxPrc4DKZA==, tableContent=null), ArticleFig(id=1241038883467620754, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.5, caption=
Motion diagram of the coupling, figureFileSmall=cPT9Q2m4RWYTsxIMKIPT7w==, figureFileBig=z5TdB0mTdzmqEz6IAu1+yA==, tableContent=null), ArticleFig(id=1241038883769610645, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图5, caption=
联轴器运动示意图, figureFileSmall=cPT9Q2m4RWYTsxIMKIPT7w==, figureFileBig=z5TdB0mTdzmqEz6IAu1+yA==, tableContent=null), ArticleFig(id=1241038884461670808, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.6, caption=
Frequency spectrum characteristics of rotor system without fault, figureFileSmall=nN6AlMcurPHIONS66qC1yg==, figureFileBig=BJ+F4DD4M1Dq/+C4d6vn6A==, tableContent=null), ArticleFig(id=1241038884675580313, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图6, caption=
无故障下转子系统频谱特性, figureFileSmall=nN6AlMcurPHIONS66qC1yg==, figureFileBig=BJ+F4DD4M1Dq/+C4d6vn6A==, tableContent=null), ArticleFig(id=1241038884931432862, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.7, caption=
Spectrum characteristics of the rotor system under the coupling misalignment fault, figureFileSmall=7plLwOL1NZSzLvM7KLqwjw==, figureFileBig=FT4IqJcEhRtH/XEUuy5oUA==, tableContent=null), ArticleFig(id=1241038885057261985, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图7, caption=
联轴器不对中故障下转子系统频谱特性, figureFileSmall=7plLwOL1NZSzLvM7KLqwjw==, figureFileBig=FT4IqJcEhRtH/XEUuy5oUA==, tableContent=null), ArticleFig(id=1241038885145342371, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.8, caption=
Speed bifurcation diagram of the low-pressure turbine under the coupling fault, figureFileSmall=1E8fXbVU9loyknwIFGA9Uw==, figureFileBig=P8wwE0q6xZc7GE/Fcgd7sA==, tableContent=null), ArticleFig(id=1241038885300531624, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图8, caption=
耦合故障下低压涡轮转速分岔图, figureFileSmall=1E8fXbVU9loyknwIFGA9Uw==, figureFileBig=P8wwE0q6xZc7GE/Fcgd7sA==, tableContent=null), ArticleFig(id=1241038886953087402, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.9, caption=
Spectrum waterfall diagram of the low-pressure turbine under the coupling fault, figureFileSmall=8T1Q5zowiU6zDS9BRW8DbA==, figureFileBig=xElZ6xS6xuItCjK+aVdIlg==, tableContent=null), ArticleFig(id=1241038887045362094, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图9, caption=
耦合故障下低压涡轮频谱瀑布图, figureFileSmall=8T1Q5zowiU6zDS9BRW8DbA==, figureFileBig=xElZ6xS6xuItCjK+aVdIlg==, tableContent=null), ArticleFig(id=1241038887116665264, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.10, caption=
Vibration response time domain diagram,spectrum diagram,Poincaré section diagram and axis orbit diagram when ω2=250 rad/s, figureFileSmall=zZ5phHUTAU/Evj4tQT7plw==, figureFileBig=K4DdiG59CKoPlAmwurdI6w==, tableContent=null), ArticleFig(id=1241038887410266546, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图10, caption=
ω2=250 rad/s时振动响应时域图、频谱图、庞加莱截面图、轴心轨迹图, figureFileSmall=zZ5phHUTAU/Evj4tQT7plw==, figureFileBig=K4DdiG59CKoPlAmwurdI6w==, tableContent=null), ArticleFig(id=1241038887578038712, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.11, caption=
Vibration response time domain diagram,spectrum diagram,Poincaré section diagram and axis orbit diagram when ω2=800 rad /s, figureFileSmall=5F3JdL7pD8tjGwO5NOC58A==, figureFileBig=RJaIyHBAix1wYz4ZMEERaQ==, tableContent=null), ArticleFig(id=1241038887825502651, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图11, caption=
ω2=800 rad/s时振动响应时域图、频谱图、庞加莱截面图、轴心轨迹图, figureFileSmall=5F3JdL7pD8tjGwO5NOC58A==, figureFileBig=RJaIyHBAix1wYz4ZMEERaQ==, tableContent=null), ArticleFig(id=1241038887980691903, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.12, caption=
Vibration response time domain diagram,spectrum diagram,Poincaré section diagram and axis orbit diagram when ω2=2 450 rad /s, figureFileSmall=09s7fqx1VCKzBHVWOYpiJw==, figureFileBig=IxzZBbWiE81180ziyMaCsA==, tableContent=null), ArticleFig(id=1241038888421093828, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图12, caption=
ω2=2 450 rad/s时振动响应时域图、频谱图、庞加莱截面图、轴心轨迹图, figureFileSmall=09s7fqx1VCKzBHVWOYpiJw==, figureFileBig=IxzZBbWiE81180ziyMaCsA==, tableContent=null), ArticleFig(id=1241038888655974857, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.13, caption=
Vibration response time domain diagram,spectrum diagram,Poincaré section diagram and axis orbit diagram when ω2=2 950 rad /s, figureFileSmall=wsl9tXZRT3AW5A1fdxCnzQ==, figureFileBig=r/iqI12q4P08JQtdS4yEqg==, tableContent=null), ArticleFig(id=1241038888941187533, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图13, caption=
ω2=2 950 rad/s时振动响应时域图、频谱图、庞加莱截面图、轴心轨迹图, figureFileSmall=wsl9tXZRT3AW5A1fdxCnzQ==, figureFileBig=r/iqI12q4P08JQtdS4yEqg==, tableContent=null), ArticleFig(id=1241038889150902737, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.14, caption=
Misalignment bifurcation diagram of couplings at different positions, figureFileSmall=/sqwtoyG196ZpURBHMdxDg==, figureFileBig=FNPXwDRZQ3FUvjdYWI1OuA==, tableContent=null), ArticleFig(id=1241038889419338197, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图14, caption=
不同位置联轴器不对中量分岔图, figureFileSmall=/sqwtoyG196ZpURBHMdxDg==, figureFileBig=FNPXwDRZQ3FUvjdYWI1OuA==, tableContent=null), ArticleFig(id=1241038889494835673, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.15, caption=
Time domain diagram,spectrum diagram,Poincare section diagram and axis orbit diagram of Δe=0.5×10-5 m low-pressure turbine, figureFileSmall=CTE0UKgShErIPeoVfc97hQ==, figureFileBig=nR1qC41BB/Oy6/029/WPiA==, tableContent=null), ArticleFig(id=1241038889591304669, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图15, caption=
Δe=0.5×10-5 m低压涡轮时域图、频谱图、庞加莱截面图、轴心轨迹图, figureFileSmall=CTE0UKgShErIPeoVfc97hQ==, figureFileBig=nR1qC41BB/Oy6/029/WPiA==, tableContent=null), ArticleFig(id=1241038889767465443, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.16, caption=
Time domain diagram,spectrum diagram,Poincaré section diagram and axis orbit diagram of Δe=2×10-5 m low-pressure turbine, figureFileSmall=Us28cdVOKvCXPs4i8st4jw==, figureFileBig=+HFMJPerIJamsteCphvOrg==, tableContent=null), ArticleFig(id=1241038891411632613, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图16, caption=
Δe=2×10-5 m低压涡轮时域图、频谱图、庞加莱截面图、轴心轨迹图, figureFileSmall=Us28cdVOKvCXPs4i8st4jw==, figureFileBig=+HFMJPerIJamsteCphvOrg==, tableContent=null), ArticleFig(id=1241038891516490214, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.17, caption=
Time domain diagram,spectrum diagram,Poincaré section diagram and axis orbit diagram of Δe=4.1×10-5 m low-pressure turbine, figureFileSmall=/OsnNYPerTSRiCSZGo//5A==, figureFileBig=HGaCjHkQb/0NQ1NgAvEN5A==, tableContent=null), ArticleFig(id=1241038891604570602, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图17, caption=
Δe=4.1×10-5 m低压涡轮时域图、频谱图、庞加莱截面图、轴心轨迹图, figureFileSmall=/OsnNYPerTSRiCSZGo//5A==, figureFileBig=HGaCjHkQb/0NQ1NgAvEN5A==, tableContent=null), ArticleFig(id=1241038891780731373, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.18, caption=
Misalignment angle bifurcation diagram of high-pressure disk bearing, figureFileSmall=LeQHtRYqqTQr3XgtH3oJSg==, figureFileBig=3wRF2HcNcbUvuPGiO4B0Zg==, tableContent=null), ArticleFig(id=1241038891961086447, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图18, caption=
高压轮盘轴承不对中角度分岔图, figureFileSmall=LeQHtRYqqTQr3XgtH3oJSg==, figureFileBig=3wRF2HcNcbUvuPGiO4B0Zg==, tableContent=null), ArticleFig(id=1241038892208550386, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.19, caption=
Vibration response time domain diagram,spectrum diagram,Poincaré section diagram and axis orbit diagram when α=2°, figureFileSmall=VKJquNMb1kcYwgbpjDHhFw==, figureFileBig=DF+B+WW1UTZL++kFGUiWvw==, tableContent=null), ArticleFig(id=1241038892493763062, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图19, caption=
α=2°时振动响应时域图、频谱图、庞加莱截面图、轴心轨迹图, figureFileSmall=VKJquNMb1kcYwgbpjDHhFw==, figureFileBig=DF+B+WW1UTZL++kFGUiWvw==, tableContent=null), ArticleFig(id=1241038892758004219, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.20, caption=
Vibration response time domain diagram,spectrum diagram,Poincaré section diagram and axis orbit diagram when α=8°, figureFileSmall=aZ0BXeLVoTg52z4dpgI6tQ==, figureFileBig=+rEYOqrTbxhqk8Sv2NUYhw==, tableContent=null), ArticleFig(id=1241038893026439677, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图20, caption=
α=8°时振动响应时域图、频谱图、庞加莱截面图、轴心轨迹图, figureFileSmall=aZ0BXeLVoTg52z4dpgI6tQ==, figureFileBig=+rEYOqrTbxhqk8Sv2NUYhw==, tableContent=null), ArticleFig(id=1241038893131297279, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.21, caption=
Vibration response time domain diagram,spectrum diagram,Poincaré section diagram and axis orbit diagram when α=12°, figureFileSmall=dKsoXfWsslK5gx5u2JMa5w==, figureFileBig=4NeHLJWgcT0hNB09zq0pMQ==, tableContent=null), ArticleFig(id=1241038893290680833, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图21, caption=
α=12°时振动响应时域图、频谱图、庞加莱截面图、轴心轨迹图, figureFileSmall=dKsoXfWsslK5gx5u2JMa5w==, figureFileBig=4NeHLJWgcT0hNB09zq0pMQ==, tableContent=null), ArticleFig(id=1241038893592670724, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Fig.22, caption=
Vibration response time domain diagram,spectrum diagram,Poincaré section diagram and axis orbit diagram when α=14.5°, figureFileSmall=A1iZKxI8novk4pgq9ux0sg==, figureFileBig=wlY5U69VAnGdYWvMkCCY2A==, tableContent=null), ArticleFig(id=1241038893689139719, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=图22, caption=
α=14.5°时振动响应时域图、频谱图、庞加莱截面图、轴心轨迹图, figureFileSmall=A1iZKxI8novk4pgq9ux0sg==, figureFileBig=wlY5U69VAnGdYWvMkCCY2A==, tableContent=null), ArticleFig(id=1241038893756248587, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=EN, label=Tab.1, caption=
Main parameters of the dynamics model for the rotor
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 Parameter | 值 Value |
|---|
集中质量 Concentrated mass m1、m2、m3、m4、m5、m6、mh/kg | 1.5,6,10,2,6,1.5,8 |
支撑阻尼 Support damping c1、c2、c3、c4、c5 /(N⋅s/m) | 1 200,1 200,1 200,1 200, 1 200 |
轮盘偏心量 Eccentricity of the disk e1、e2、eh/m | 5×10-5, 5×10-5, 3×10-5 |
轴端长度 Shaft-end length l1、l2、l3、l4、l5、l6、l7/m | 0.3,0.3,0.8,0.2,0.2,0.3,0.3 |
弹性轴端阻尼Elastic shaft-end damping c12、c23、c34、c45、c56/(N⋅s/m) | 800,800,800,800,800 |
轮盘极转动惯量、直径转动惯量 Pole moment of inertia,diameter moment of inertia of the disk Jp、Jd/(kg⋅m2) | 0.04,0.02 |
转轴弹性模量 Elastic modulus of the shaft E/(kg⋅m2) | 2×1011 |
转轴横截面惯性矩 Cross section inertia moment of the rotating shaft I/m4 | 1.178×10-7 |
高、低压转子转速比 Speed ratio of high and low pressure rotors λ | 1.5 |
轴承内、外滚道半径 Radius of inner and outer raceway of bearings r、R/m | 40.1×10-3,63.9×10-3 |
| 滚珠数量 Number of balls Nb | 8 |
中介轴承刚度 Intermediate bearing stiffness Kb/(N/m) | 13.3×109 |
中介轴承间隙 Intermediate bearing clearance δ0/m | 5×10-6 |
), ArticleFig(id=1241038893944992269, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241038856825402056, language=CN, label=表1, caption=
转子动力学模型主要参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 Parameter | 值 Value |
|---|
集中质量 Concentrated mass m1、m2、m3、m4、m5、m6、mh/kg | 1.5,6,10,2,6,1.5,8 |
支撑阻尼 Support damping c1、c2、c3、c4、c5 /(N⋅s/m) | 1 200,1 200,1 200,1 200, 1 200 |
轮盘偏心量 Eccentricity of the disk e1、e2、eh/m | 5×10-5, 5×10-5, 3×10-5 |
轴端长度 Shaft-end length l1、l2、l3、l4、l5、l6、l7/m | 0.3,0.3,0.8,0.2,0.2,0.3,0.3 |
弹性轴端阻尼Elastic shaft-end damping c12、c23、c34、c45、c56/(N⋅s/m) | 800,800,800,800,800 |
轮盘极转动惯量、直径转动惯量 Pole moment of inertia,diameter moment of inertia of the disk Jp、Jd/(kg⋅m2) | 0.04,0.02 |
转轴弹性模量 Elastic modulus of the shaft E/(kg⋅m2) | 2×1011 |
转轴横截面惯性矩 Cross section inertia moment of the rotating shaft I/m4 | 1.178×10-7 |
高、低压转子转速比 Speed ratio of high and low pressure rotors λ | 1.5 |
轴承内、外滚道半径 Radius of inner and outer raceway of bearings r、R/m | 40.1×10-3,63.9×10-3 |
| 滚珠数量 Number of balls Nb | 8 |
中介轴承刚度 Intermediate bearing stiffness Kb/(N/m) | 13.3×109 |
中介轴承间隙 Intermediate bearing clearance δ0/m | 5×10-6 |
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