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Effect of pipe's linked prestress on the pipes' face seal

GUO Qiang ~ 1,2 ZHAO Mei ~ 2 WEI Lai-Sheng ~ 1 (1.CAE & Reliability Center, China North Vehicle Institute, Beijing 100072, China; 2. State Key Lab of Vibration, Shock & Noise, Shanghai Jiaotong University, Shanghai 200030, China)  
The pipes' leak is an important problem in industry for technicians or operators. As assuming the inner liquid is static liquid in this paper, pipes' linked pre-stress has an important effect on pipes' leak. Through a theory deduction and FEM analysis, the numerical example is shown that this method is accurate and very useful for practice finally.
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