ON THE COUPLED DYNAMICS OF AIR SQUEEZE-FILM APPLICATION FOR LEVITATION AND REDUCTION OF FRICTION

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概要

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• High frequency relative vibrations of closely spaced flat surfaces create a repelling force that can be used to hold the surfaces apart. As this research shows, the dynamics of the surrounding surfaces and enclosed air-layer are highly coupled. Contrary to what was assumed in the past, the division of the excitation frequency range into spring- and damper-like regions is inaccurate in the presence of vibration of mechanically flexible surrounding surfaces. A laboratory set-up was built and modeled by means of several coupled sub-models consisting of a piezoelectric part, a mechanical amplifier and the levitated object. while a finite-difference scheme is being used to compute the distributed pressure in the air-layer.

• 一般社団法人日本機械学会の論文

著者

• Izhak Bucher

  Dynamics Laboratory Faculty Of Mechanical Engineering Technion

• Adi Minikes

  Dynamics Laboratory Faculty Of Mechanical Engineering Technion

関連論文

• ON THE COUPLED DYNAMICS OF AIR SQUEEZE-FILM APPLICATION FOR LEVITATION AND REDUCTION OF FRICTION

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