端面气膜密封的高性能端面结构

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2000, Vol. 21 ›› Issue (2): 187-190.

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FACE CONFIGURATION WITH HIGH PERFORMANCE FOR GAS FILM FACE SEAL

LIU Yu-chuan¹, XU Wan-fu², CHEN Guo-lin³, SHEN Xin-min¹

1. School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100083, China;2. Lubrication Technology Research Center, Shenyang Inst itute of Technology,Shenya ng 110015, China;3. Shengyang Aeroengine I nstitute, Shenyang 110015, China

Received:1999-01-18 Revised:1999-06-24 Online:2000-04-25 Published:2000-04-25

Abstract

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

LIU Yu-chuan;XU Wan-fu;CHEN Guo-lin;SHEN Xin-min. FACE CONFIGURATION WITH HIGH PERFORMANCE FOR GAS FILM FACE SEAL[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2000, 21(2): 187-190.

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FACE CONFIGURATION WITH HIGH PERFORMANCE FOR GAS FILM FACE SEAL

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