Flow field and sealing performance analysis of compliant foil face gas seal

被引：9
|
作者：
Chen, Yuan [1 ,2 ,4 ]
Wang, Qinggang [1 ]
Peng, Xudong [2 ]
Li, Yuntang [1 ]
Wang, Bingqing [1 ,2 ,3 ]
Jin, Jie [1 ]
机构：
[1] China JiLiang Univ, Coll Mech & Elect Engn, 258 Xueyuan St, Hangzhou 310018, Zhejiang, Peoples R China
[2] Zhejiang Univ Technol, Coll Mech Engn, Hangzhou, Zhejiang, Peoples R China
[3] China JiLiang Univ, Coll Qual & Safety Engn, Hangzhou, Zhejiang, Peoples R China
[4] Key Lab Intelligent Mfg Qual Big Data Tracing & A, Hangzhou, Zhejiang, Peoples R China
来源：
ADVANCES IN MECHANICAL ENGINEERING | 2022年 / 14卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Compliant foil face gas seal; operating mechanism; flow field; sealing performance; BEARING;
D O I：
10.1177/16878132221108488
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Based on the theory of gas lubrication and elastic mechanics, a theoretical model of gas-elastic coupling lubrication of compliant foil face gas seal (CFFGS) is presented. The correlation between the film pressure and thickness of CFFGS and its effect on the flow field are investigated, and the differential effect of pressure conditions on the flow field and sealing performance is analyzed. Also explored the influence law of operating and structural parameters on sealing performance. Results show that CFFGS have stable and excellent leakage control performance, and the pressure forms has a differential effect on the coordination mechanism of film pressure-deformation-film thickness and the sealing performance. Moreover, compliant foil structure has a positive impact on the end-face adaptive capability and leakage control performance of the seal.
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页数：16
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