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《Journal of Shanghai Jiaotong University》 2014-01
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Analysis of Sealing Performance of Seal Ring End Face with Diamond Pores

CHENG Xiang-ping;PENG Xu-dong;MENG Xiang-kai;Engineering Research Center of Process Equipment and Its Remanufacture of the Ministry of Education,Zhejiang University of Technology;  
The finite element method was used to solve the two-dimension Reynolds equation for the isothermal,laminar and incompressible liquid flow between the two faces of a liquid lubricated seal ring,on which one face was etched with diamond macro-pores with constant pore depth.Under different operating conditions,the effects of pore depth,area ratio of pores and periodic on seal performance parameter including the average liquid film thickness,frictional torque,film stiffness and leakage rate,were investigated by solving force equilibrium equation of seal rings.The results show that the seal performance of face seal with diamond macro-pores are better in the scope of the analysis when d1 is 3.5—5μm,ais 1.2—1.8mm, and Nis 165—195.
【Fund】: 国家自然科学基金项目(51005209 50805130);; 国家科技支撑计划项目(2011BAF09B05)资助
【CateGory Index】: TH136
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