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The mechanism of stiffness increase phenomenon of a rubbing disk
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作者 Shimin Wang Jieqiong Xu Qi Wang 《Acta Mechanica Sinica》 SCIE EI CAS CSCD 2010年第3期441-448,共8页
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... 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. 展开更多
关键词 Stiffness increase phenomenon phasecharacteristic Rubbing rotor
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