关键词: 端面气膜密封, 有限元法, 定量分析比较

Abstract:

To guide the choice of face type for gas film face seal, the sealing characteristics of some typical face configurations, which were often used in gas film face seal, are quantitatively analyzed and compared. Especially the relation of sealing performance to film thickness for different configurations is established. In the analysis, the geometric parameters for each face configuration, which are taken from relevant references, are optimal or approximately optimal data. The adaptable finite element method is used for calculating the pressure distribution of gas film for face seal.

Key words: gas film face seal, finite element method, quantitative analyzsis and comparison