Numerical investigations into the rubbing wear behavior of honeycomb seal

The rubbing wear behavior of the honeycomb land against labyrinth fin was investigated with finite-element-analysis method at a range of incursion conditions. The contact behaviors, material property, and material damage and failure are computed within the user-defined-subroutines. With the experime...

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Bibliographic Details
Published in:Journal of mechanical science and technology 2023, 37(8), , pp.4375-4390
Main Authors: Yan, Xin, Wang, Haibo, He, Kun
Format: Article
Language:English
Subjects:
Contact force
Control
Deformation wear
Dynamical Systems
Engineering
Finite element method
Industrial and Production Engineering
Material properties
Mathematical analysis
Mechanical Engineering
Original Article
Plastic deformation
Rubbing
Sliding
Stators
Vibration
기계공학
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Summary:The rubbing wear behavior of the honeycomb land against labyrinth fin was investigated with finite-element-analysis method at a range of incursion conditions. The contact behaviors, material property, and material damage and failure are computed within the user-defined-subroutines. With the experimental data, the finite-element-analysis method was validated with respect to the frictional temperature and worn geometry. The effects of stator material, incursion depth, incursion rate and sliding velocity on the contact force, frictional temperature, material loss, and worn geometry are analyzed. The results show that the sliding velocity, final incursion depth and incursion rate are the important factors affecting the wear behaviors of honeycomb stator. The mushrooming extension is decreased with the increase of sliding velocity, and increased with the increase of incursion rate. At high sliding velocity and low incursion rate conditions, the material loss accounts more in the wear volume deformation compared to the plastic deformation.
ISSN:1738-494X
1976-3824
DOI:10.1007/s12206-023-0752-7