流体机械

2007, No.417(03) 18-20+32

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激光加工多孔端面机械密封静压分析
Analysis of the Hydrostatic Effect of a Partial Laser Surface Textured Mechanical Seal

潘晓梅;蔡永宁;骆建国;胡滨;彭旭东;
PAN Xiao-mei1,3,CAI Yong-ning1,3,LUO Jian-guo2,HU Bin2,PENG Xu-dong3(1.ChinaUniversity of Petroleum,Dongying 257061,China;2.Fenghua Fuyong Mechanical Seal Co.,Ltd.,Ningbo 315500,China;3.Zhejiang University of Technology,Hangzhou 310032,China)

摘要(Abstract):

建立了在部分密封端面上加工微孔的激光加工多孔端面机械密封理论分析模型,用有限元法求解雷诺方程,获得了不同微孔结构参数下端面的无量纲膜压分布,以获得最大端面静压为目标,提出了微孔结构参数的最优值,指出开孔区长度比最优值约为0.6,面积密度最优值大约为0.5。研究表明在部分密封端面上加工微孔可有效增大端面静压。
A theoretical analysis model is developed for a partial laser surface textured mechanical seal(LST-MS).The dimensionless hydrostatic pressure distribution on the seal face with different micro-pore geometry parameters is obtained from a numerical solution of the Reynolds equation solved by finite element method.The optimum values of the micro-pore geometry parameters are presented based on the biggest hydrostatic pressure.The parametric study demonstrates that substantial hydrostatic pressure can be produced on the seal face with partial micro-pores.

关键词(KeyWords): 多孔密封;激光加工;有限元法;静压效应
micro-pore mechanical seal;laser texturing;finite element method;hydrostatic effect

Abstract:

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基金项目(Foundation): 国家自然科学基金项目(50575152);; 教育部科学技术研究重点基金项目(03107);; 宁波市科技项目(2006B100030)

作者(Author): 潘晓梅;蔡永宁;骆建国;胡滨;彭旭东;
PAN Xiao-mei1,3,CAI Yong-ning1,3,LUO Jian-guo2,HU Bin2,PENG Xu-dong3(1.ChinaUniversity of Petroleum,Dongying 257061,China;2.Fenghua Fuyong Mechanical Seal Co.,Ltd.,Ningbo 315500,China;3.Zhejiang University of Technology,Hangzhou 310032,China)

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