Sealing Performance Analysis of Rubber O-ring in Static Seal Based on FEM | |
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( Volume 1 Issue 2,August 2015 ) OPEN ACCESS | |
Author(s): | |
Shiwei Niu | |
Abstract: | |
Reliability of the system relies on the sealing performance of O-ring. Sealing performance analysis of O-ring was investigated by finite element method. Effect of medium pressure and pre compression on the sealing performance analysis of O-ring were studied. The results show that the stress distribution of O-ring is dumbbell shape when the medium pressure is 0. There are three high stress locations when the medium pressure is bigger than 1MPa. The maximum von Mises stress and contact stress increase with the increasing of medium pressure. With the increasing of pre compression quantity, the maximum von Mises stress of O-ring first decreases and then increases, While the maximum contact stress increases. Those results can provide a basis for the design and safety assessment of O-ring. |
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