Volume 27 Issue 2
Feb.  2012
Turn off MathJax
Article Contents
WANG Yong-liang, LIU Zhan-sheng, QIAN Da-shuai, HE Peng. Approximate analytical model of oil-film force for finite length elliptical journal bearing[J]. Journal of Aerospace Power, 2012, 27(2): 265-274.
Citation: WANG Yong-liang, LIU Zhan-sheng, QIAN Da-shuai, HE Peng. Approximate analytical model of oil-film force for finite length elliptical journal bearing[J]. Journal of Aerospace Power, 2012, 27(2): 265-274.

Approximate analytical model of oil-film force for finite length elliptical journal bearing

  • Received Date: 2011-03-15
  • Rev Recd Date: 2011-09-08
  • Publish Date: 2012-02-28
  • The Reynolds equation of plain journal bearing lubrication was solved by separation of variables method,the pressure distribution expression of oil-film in plain journal bearing was obtained based on dynamic boundary conditions,and the approximate analytical expression of plain journal bearing oil force was deduced.The boundary conditions of elliptical bearing were analyzed.The approximate analytical model of elliptical bearing oil-film was obtained by combining the oil film boundary conditions of elliptical bearing with oil film force expression of plain journal bearing.The oil film force is verified with high accuracy and suitability for any aspect ratio by comparing with the finite difference method,long bearing model,and the short bearing model.The nonlinear rotordynamic behavior of a rigid rotor on elliptical bearing was investigated by Runge-Kutta method,the results of numerical simulation show that the model can describe the dynamic characteristics of elliptical bearing oil film well.

     

  • loading
  • [1]
    彭斌生,朱均.上瓦开周向槽椭圆轴承性能的试验和理论计算研究[J].润滑与密封,1992(4):4-8. PENG Binsheng,ZHU Jun.The experimental studies and theoretic calculations of characteristics of elliptical bearing of upper pad having circumferential oil groove[J].Lubrication Engineering,1992(4):4-8.(in Chinese)
    [2]
    王晋麟.高维非线性转子-轴承系统的降维与动特性研究.哈尔滨:哈尔滨工业大学工学,2010. WANG Jinlin.The order reduction and dynamical characteristic of high order rotor-bearing system.Harbin:Harbin Institute of Technology,2010.(in Chinese)
    [3]
    焦映厚,陈照波,李明章.不同油膜力模型下转子椭圆轴承系统的动力学分析[J].热能动力工程,2006,21(4):418-422,439-440. JIAO Yinghou,CHEN Zhaobo,LI Mingzhang.A dynamic analysis of a rotorelliptic bearing system asing different oil-film force models[J].Journal of Engineering for Thermal Energy & Power,2006,21(4):418-422,439-440.(in Chinese)
    [4]
    Earles L L,Palazzolo A B,Armentrout R W.A finite element approach to pad flexibility in tilt pad journal bearings[J].ASME Journal of Tribology,1990,112(2):169-182.
    [5]
    Gadangi R K,Palazzolo A B,Kim J.Transient analysis of plain and tilt pad journal bearings including fluid film temperature effects[J].ASME Journal of Tribology,1996,118(3):423-430.
    [6]
    曹登庆,王晋麟,杨金福,等.椭圆轴承非线性油膜力模型:近似解析方法[J].振动与冲击,2008,27(增刊):173-177. CAO Dengqing,WANG Jinlin,YANG Jinfu,at al.Nonlinear oil-film force model of elliptic bearing:approximate analytic approach[J].Journal of Vibration and Shock,2008,27(Supplement):173-177.(in Chinese)
    [7]
    Capone G.Descrizione analitica del campo di forze fluidodinamico nei cuscinetti cilindrici lubrificati[J].Energia Elettrica,1991,68(3):105-110.
    [8]
    王文,张直明.油叶型轴承非线性油膜力数据库[J].上海工业大学学报,1993,14(4):299-305. WANG Wen,ZHANG Zhiming.Non-linear oil film force database of lobe type bearing[J].Journal of Shanghai University of Technology,1993,14(4):299-305.(in Chinese)
    [9]
    JIAO Yinghou,CHEN Zhaobo,LI Mingzhang,et al.Nonlinear dynamics analysis of unbalanced rotor system with arc pad journal bearings[J].Advances in Vibration Engineering,2005,4(1):23-37.
    [10]
    秦平,沈钺,朱均.椭圆轴承-转子系统快速运动状态分析[J].西安交通大学学报,2003,37(1):29-31,63. QIN Ping,SHEN Yue,ZHU Jun.Fast analysis of motion state for elliptic bearing rotor system[J].Journal of Xi’an Jiaotong University,2003,37(1):29-31,63.(in Chinese)
    [11]
    陈龙,郑铁生,张文,等.轴承非线性油膜力的一种变分近似解[J].应用力学学报,2002.19(3):90-95. CHEN Long,ZHENG Tiesheng,ZHANG Wen,et al.A variational approximate solution for nonlinear oil-film forces of sliding bearing[J].Chinese Journal of Applied Mechanics,2002,19(3):90-95.(in Chinese)
    [12]
    郑铁生,陈龙,杨树华,等.非定常短轴承油膜力公式的变分修正[J].计算力学学报,2003.20(4):451-455. ZHENG Tiesheng,CHEN Long,YANG Shuhua,et al.Modified form of the unsteady oil-film force formula of short bearing by variational approach[J].Chinese Journal of Computational Mechanics,2003,20(4):451-455.(in Chinese)
    [13]
    王立刚,曹登庆,王晋麟,等.椭圆轴承-转子系统的稳定性与分岔[J].航空动力学报,2008,23(2):263-269. WANG Ligang,CAO Dengqing,WANG Jinlin,et al.Stability and bifurcation of elliptic bearing rotor systems[J].Journal of Aerospace Power,2008,23(2):263-268.(in Chinese)
  • 加载中

Catalog

    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

    1. 本站搜索
    2. 百度学术搜索
    3. 万方数据库搜索
    4. CNKI搜索

    Article Metrics

    Article views (1827) PDF downloads(476) Cited by()
    Proportional views
    Related

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return