Squeeze Film on Compliant Surface under Step Load : 1st Report, Circular Flat Thruster

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概要

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• A 1ubricating film in machine elements and human joints often experiences a rapid increase in applied load. An EHD squeeze film under such condition which is affected by the initial condition and shows a transient change, is different from a conventional approach problem from a distance. Squeeze films between a circular thruster and a flat compliant surface under step load are analyzed by solving momentum equation, Reynolds equation and elastic equation simultaneously, and the results are verified by experiments, as a fundamental study on the transient EHD squeeze film between parallel surfaces. The squeeze film keeps noncontacting condition for a long time if the trapped fluid is more than a critical value, and solid contact arises at the edge in short time if it is less than the critical value. The thruster shows a damping oscillation if its mass is large and the viscosity of the fluid is low.

• 一般社団法人日本機械学会の論文

著者

• IKEUCHI Ken

  Department of Neurology, Brain Research Institute, Niigata University

• Ikeuchi Ken

  Department Of Mechanical Engineering Faculty Of Engineering Kyoto University

• Mori Haruo

  Department Of Mechanical Engineering Kyoto University

• Mori Haruo

  Department Of Mechanical Engineering Faculty Of Engineering Kyoto University

• IKEUCHI Ken

  Department of Clinical Engineering, Suzuka University of Medical Science

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