Research Status and Development Trend of Cylindrical Gas Film Seals for Aeroengines

H Jiang, S Yu, S Wang, X Ding, A Jiang - Processes, 2023 - mdpi.com
High-performance aeroengine design is an important component of modern industry, and
advanced sealing technology is a key technology to meet the engine fuel consumption rate …

Fatigue life prediction of clutch sleeve based on abrasion mathematical model in service period

X Liu, F Kan, H Wang, X Xin, Z Wang… - Fatigue & Fracture of …, 2020 - Wiley Online Library
To predict the service life of clutch sleeve, major reasons for the change of clearance
between the clutch sleeve and shell in service period are analysed. A mathematical model …

[HTML][HTML] Effects of tooth bending damage on the leakage performance and rotordynamic coefficients of labyrinth seals

C Yaoxing, L Zhigang, L Jun, YAN Xin - Chinese Journal of Aeronautics, 2020 - Elsevier
Tooth bending damage resulting from an intense impact by the rotor sometimes occurs in
the transient operation. To investigate the influence of after-damage clearance and tooth …

Effect of teeth bending and mushrooming damages on leakage performance of a labyrinth seal

X Yan, X Dai, K Zhang, J Li, K He - Journal of Mechanical Science and …, 2018 - Springer
To achieve higher aerodynamic performance, turbine usually works at tight clearance, which
results in inevitable rub between the rotor and stator parts of labyrinth seal due to vibrations …

[PDF][PDF] 大压差下热塑性迷宫密封泄漏特性研究

刘跃, 黄民, 李永健, 安琪, 蒋杰 - 机械工程学报, 2024 - qikan.cmes.org
耐磨损抗腐蚀等优点的热塑性材料迷宫密封可以有效降低泄漏量, 但关于大压差下的泄漏特性
研究相对较少. 考虑大压差下密封环变形与流场的相互作用, 建立三维双向流固耦合模型 …

Oil-Sealing Performance Evaluation of Labyrinth Seal Using Combined Finite Element Analysis and Computational Fluid Dynamics

WM Park, SM Son, DK Choi, HG Lee, C Choi - Lubricants, 2023 - mdpi.com
Mechanical seals, such as labyrinth seals, are typically installed at the turbine outlets to
prevent oil leakage. However, these seals undergo deformation because of the vibrations of …

The effect of brazing on microstructure of honeycomb liner material Hastelloy X

S Ulan kyzy, R Völkl, O Munz, T Fischer… - Journal of Materials …, 2019 - Springer
Labyrinth seals with abradable metallic honeycomb structures are common in gas turbines
to ensure a tight sealing between rotor and stator. These seals have a big impact on the …

风电齿轮箱迷宫密封泄漏量分析及结构优化设计.

高羡明, 张洋, 张功学, 杨汶轩… - Journal of Mechanical & …, 2024 - search.ebscohost.com
为了分析某风电齿轮箱内迷宫密封各参数对泄漏量的影响, 利用数值模拟和构建代理模型对迷宫
密封的泄漏行为开展了研究. 首先, 根据风电齿轮箱三维实体模型构建了其迷宫密封三维流场 …

Experimental and numerical investigations on the leakage flow characteristics of helical-labyrinth-brush seals

Y Zhang, J Li, D Ma, Y He, J Ji… - … of Engineering for …, 2021 - asmedigitalcollection.asme.org
The helical-labyrinth seal (HLS) can reduce rub between labyrinth teeth and rotor during the
rotor vibration because the helical teeth on the stator and steps (or teeth) on the rotor are …

Effects of Labyrinth Fin Wear on Aerodynamic Performance of Turbine Stages: Part I—Bending Damages

X Yan, X Dai - Turbo Expo: Power for Land, Sea …, 2019 - asmedigitalcollection.asme.org
Labyrinth seals are widely applied in turbo machines because of their geometrical simplicity,
convenient installation, reliable operation and excellent sealing performance. However, in …