期刊文献+

机械密封热力耦合有限元模型与密封性能分析 被引量:39

Thermal-Mechanical Coupled Finite Element Model and Seal Performance Analysis of Mechanical Seals
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摘要 以接触式机械密封为研究对象,考虑密封环的热力变形和液膜温度、厚度等的耦合关系,建立了二维轴对称热力耦合计算模型,采用有限元与数值迭代技术实现了模型的数值解算,研究了密封端面热力变形规律,分析了不同密封压力下的密封性能.结果表明:热力耦合变形作用下,端面形成收敛型泄漏间隙,最小膜厚位于端面内靠近内径侧位置,最高温度位于最小膜厚处;随密封压力的增大,端面最小膜厚减小,端面最大温升、摩擦扭矩和泄漏率相应增大.采用的模型和计算方法可用于海洋装备用机械密封结构的优化设计. Aiming at the contacting mechanical seals, a two-dimensional axisymmetric thermal-mechanical coupled model was established by taking into consideration the coupling relation between the thermal-mechanical deformation,the temperature and the thickness of fluid film. A combined finite element method and iteration strategy were used to solve the physical model. The mechanical-thermal deformation of end faces was investigated as well as the sealing performance under different seal pressures. Numerical results show that a convergent seal gap was formed between the seal rings due to the mechanical-thermal deformation. The minimum film thickness and the maximum temperature rise located at the seal interface near to the inner radius site. With the increase of seal pressures of mechanical seals, the minimum film thickness decreased and the maximum temperature rose, friction torque and leakage rate increased. The numerical model and computational method can be applied to design optimal mechanical seals for the equipment in ocean.
出处 《摩擦学学报》 EI CAS CSCD 北大核心 2015年第5期550-556,共7页 Tribology
基金 国家自然科学基金面上项目(51375449) 浙江省自然科学基金(Y14E0500061)资助~~
关键词 机械密封 热力耦合 密封性能 有限元法 mechanical seal thermal-mechanical coupling seal performance the finite element method
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参考文献11

  • 1Zhu G. Computer prediction of mechanical seal performance and experimental validation[J]. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, 1999, 213(6): 433-449.
  • 2Brunetiere N, Tournerie B, Frene J. TEHD lubrication of mechanical face seals in stable tracking mode: Part 1-Numerical model and experiments[J]. Journal of Tribology, 2003, 125(3): 608-616.
  • 3Brtmetiere N, Tournerie B, Frene J. TEHD lubrication of mechanical face seals in stable tracking mode: Part 2-Parametric study[J]. Journal of Tribology, 2003, 125(3): 617-627.
  • 4Galenne E, Pierre-Danos I. Thermo-elasto-hydro-dynamic modeling of hydrostatic seals in reactor coolant pumps[J]. Tribology Transactions, 2007, 50(4): 466-476.
  • 5严国平,刘正林,朱学明,田相玉.变工况下船舶艉轴机械密封端面温度场数值分析(英文)[J].船舶力学,2008,12(3):483-489. 被引量:11
  • 6朱汉华,刘正林,严新平,范世东.水深变化对船用机械密封端面变形的影响[J].润滑与密封,2008,33(4):27-29. 被引量:4
  • 7Brtmetiere N, Tournerie B, Frene J. A simple and easy-to-use TEHD model for non-contacting liquid face seals[J]. Tribology transactions, 2003, 46(2): 187-192.
  • 8Harp S R, Salant R F. Analysis of mechanical seal behavior during transient operation[J]. Journal oftribology, 1998, 120(2): 191-197.
  • 9Lebeck A O. Principles and design of mechanical face seals[M]. New Mexico: John Wiley &Sons, 1991.
  • 10Thomas S, Brunetire N, Tournerie B. Thermoelasto-hydrodynamic behavior of mechanical gas face seals operating at high pressure[J]. Journal of Tribology, 2007, 129(4): 841-850.

二级参考文献6

  • 1朱汉华,刘正林,温诗铸,严新平.Mechanical Deformation of Ship Stern-Shaft Mechanical Face Seals[J].Tsinghua Science and Technology,2004,9(3):299-302. 被引量:2
  • 2周剑锋,顾伯勤.机械密封环的传热特性分析[J].机械工程学报,2006,42(9):201-206. 被引量:34
  • 3[1]Harp Susan R,Salant Richard F.Inter-asperity cavitation and global cavitation in seals:an average flow analysis[J].Tribology International,2002,35:113-121.
  • 4Parviz Merati, Nori Aki Okita. Experimental and computational investigation of flow and thermal behavior of a mechanical seal[J]. Tribology Tanscations, 1999, 42(4): 731-738.
  • 5Li Feixue. Pressure distribution and temperature distribution analysis of wet multi-disc brake[D]. Beijing: University of Science and Technology Beijing, 2001.52-53.
  • 6Zhu Xueming, Liu Zhenglin, Zhu Hanhua, Hu Shelai. Research on thermal-structure coupled analysis of mechanical seal rings[J]. Journal of Wuhan University of Technology (Transportation Science & Engineering), 2005, 29(2): 198-201.

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引证文献39

二级引证文献146

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