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Zhen Xu, Lianjiang Xu, Junfeng Sun, Meihong Liu, Taohong Liao and Xiangping Hu
Flexible support cylindrical gas film seals (CGFSs) adapt well to rotor whirling and have a good gas lubrication effect during thermal deformation. However, when a CGFS operates under the ?three high? (high interface slip speed, high-pressure differentia...
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Junfeng Sun, Meihong Liu, Zhen Xu, Taohong Liao, Xiangping Hu, Yuxian Li and Juan Wang
A new type of cylindrical gas film seal (CGFS) with a flexible support is proposed according to the working characteristics of the fluid dynamic seal in high-rotational-speed fluid machinery, such as aero-engines and centrifuges. Compared with the CGFS w...
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Xiaolei Song, Meihong Liu, Xiangping Hu, Xueliang Wang, Taohong Liao and Junfeng Sun
In order to improve efficiency in turbomachinery, brush seal replaces labyrinth seals widely in the secondary air system. A 2-d staggered tube bank model is adopted to simulate the gas states and the pressure character in brush seal, and computational fl...
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