三偏心蝶阀密封接触问题的有限元分析

Lubrication Engineering(2006)

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Abstract
对三偏心金属蝶阀密封面接触问题进行了非线性有限元分析,阐明了其理论依据。数值模拟过程中,充分考虑了轴向偏心、径向偏心、角偏心的设计参数对密封面密封比压的影响,以DN 300口径、PN 5 MPa工作压力的三偏心金属蝶阀为例,得到其密封时的应力分布,对满足一定压力下“双向零泄漏”三偏心蝶阀的结构优化有指导意义。
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Key words
Contact,Digital simulation,Nonlinear finite element method,Seal pressure,Tri-eccentric butterfly valve
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