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考虑滑移流条件下干式气体端面密封的有限元分析 被引量:18

Finite Element Analysis of a Dry Gas Seal under Slip Flow Conditions
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摘要 采用Borgdorfer推导的修正雷诺方程,应用有限元法分析了滑移流效应对螺旋槽干式气体端面密封(S-DGS)性能的影响。结果表明,在低速和低压条件下,密封的端面开启力、气膜刚度和泄漏量均受到滑移流的显著影响,其中当密封压力为0.152~0.303MPa时影响最显著。 A finite element analysis of a spiral groove dry gas seal under slip flow conditions was presented based on the modified Reynolds equation developed by Borgdorfer. The results show that face opening force, film stiffness and leakage rate are strongly affected by the slip flow under the operating conditions of low sealing pressure and low speed, especially when the pressure is between 0. 152 MPa and 0. 303 MPa.
出处 《润滑与密封》 EI CAS CSCD 北大核心 2006年第4期55-56,59,共3页 Lubrication Engineering
基金 国家自然科学基金(50575152) 教育部科学技术研究重点项目基金资助(03107)
关键词 螺旋槽 干式气体密封 有限元分析 修正雷诺方程 滑移流 spiral groove dry gas seal finite element analysis (FEA) modified Reynolds equation slip flow
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参考文献4

  • 1Faria M,Andres L.On the numerical modeling of high-speed hydrodynamic gas bearings[J].ASME J of Tribology,2000,122(1):124-130.
  • 2Ruan B.Finite element analysis of the spiral groove gas face at the slow speed and the low pressure condition-slip flow consideration[J].Tribology Trans,2000,43(3):411-418.
  • 3Burgdorfer A.The influence of the molecular mean free path on the performance of hydrodynamic gas lubricated bearings[J].ASME J of Basic Engineering,1959,81(2):94-100.
  • 4冯向忠,彭旭东.螺旋槽干式气体端面密封性能的数值分析[J].润滑与密封,2004,29(6):41-43. 被引量:27

二级参考文献5

  • 1Bonneau D,Huitric J,Tournerie B.Finite Element Analysis of Grooved Gas Thrust Bearings and Grooved Gas Face Seals.ASME Trans.,J of Tribology,1993,115(7):348-354.
  • 2Tournerie B,Huitric J,Bonneau D,et al.Optimization and Performance Prediction of Grooved Face Seals for Gas and Liquid.Proc.of 14th Intern.Conf.on Fluid Sealing,1994.351-365.
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  • 4Faria M T C.An Efficient Finite Element Procedure for Analysis of High-Speed Spiral Groove Gas Face Seals.ASME Trans.,J of Tribology,2001,123(1):205-200.
  • 5Gabriel R P.Fundamentals of Spiral Grooved Noncontacting Face Seals.Lubr. Eng.,1994(3):215-224.

共引文献26

同被引文献227

引证文献18

二级引证文献130

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