The mechanism of stiffness increase phenomenon of a rubbing disk

The phase characteristic of a disk rubbing with a ring supported elastically is investigated and used to explain the mechanism of stiffness increase phenomenon. As long as the rubbing is maintained, the averaged phase difference between the disk and the rotating mass on the disk is defi- nitely less...

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Bibliographic Details
Published in:Acta mechanica Sinica 2010-06, Vol.26 (3), p.441-448
Main Authors: Wang, Shimin, Xu, Jieqiong, Wang, Qi
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Computational Intelligence
Disks
Engineering
Engineering Fluid Dynamics
Finishes
Phase shift
Research Paper
Rotating
Rubbing
Stiffness
Theoretical and Applied Mechanics
摩擦盘
摩擦系统
旋转质量
物理参数
相位差
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Summary:The phase characteristic of a disk rubbing with a ring supported elastically is investigated and used to explain the mechanism of stiffness increase phenomenon. As long as the rubbing is maintained, the averaged phase difference between the disk and the rotating mass on the disk is defi- nitely less than π/2. When the rubbing finishes, the phase difference quickly approaches to 7r. This behavior is inde- pendent of the physics parameters of the rubbing system. The theoretical results are qualitatively verified with experiments.
ISSN:0567-7718
1614-3116
DOI:10.1007/s10409-009-0331-x