火箭推进2025，Vol.51Issue(2)：132-140,9.DOI:10.3969/j.issn.1672-9374.2025.02.014
R形凸台的密封比压及半经验解析表达
Sealing specific pressure and semi-empirical analytical expression for R-shaped boss structure in valve
刘纯 1钟梦妮 1杜兰君 1李罗金 1胡树文1
作者信息
摘要
Abstract
Through similarity analysis and simulation,the sealing process of valve core and R-shaped boss under axial force is investigated,and the effects of axial force,material physical properties and R-shaped boss geometry(R-shaped boss radius and inner diameter)on the specific seal pressure are analyzed.The results show that the R-shaped boss can form a higher sealing pressure under a certain axial force,which increases gradually with the decrease of the radius and inner diameter for the R-shaped boss.For material physical properties,the sealing specific pressure increases with the increase of the Young's modulus of the valve core,and other performance parameters have little influence on the sealing specific pressure.In addition,a semi-empirical analytical expression of the sealing specific pressure for the R-shaped boss under axial force is developed by using similarity analysis.This expression characterizes the relationship between the sealing specific pressure and the axial force,geometric parameters of the R-shaped boss,as well as the material physical properties.关键词
阀门/R形密封凸台/密封比压/相似分析/仿真模拟Key words
valve/R-shaped sealing boss/sealing specific pressure/similarity analysis/simulation引用本文复制引用
刘纯,钟梦妮,杜兰君,李罗金,胡树文..R形凸台的密封比压及半经验解析表达[J].火箭推进,2025,51(2):132-140,9.
