On Dynamic Characteristics of ER Fluid Squeeze Film Damper

スポンサーリンク

概要

• 論文の詳細を見る

• This paper deals with an application of Electro-Rheological(ER) fluid to a squeeze film damper which enables a flexible rotor to reduce whirling amplitude by adjusting the damping property at each rotating speed. An experimental small scale model composed of a flexible shaft and a controllable ER squeeze film damper was constructed and its performance was studied under various electric field strengths. The ER fluid used in the present experiment was a colloidal suspension of silica powder in mineral oil. Furthermore, a theoretical approach to the performance of ER squeeze film damper was made in which the short bearing approximation of a journal bearing with Bingham plastic fluid was introduced. It is shown that the natural frequencies of a flexible shaft was increased continuously as the applied electric field was strengthened in the experiment, and that the simplified theory introduced in this paper shows good agreement with the present experimental results.

• 一般社団法人日本機械学会の論文
• 1996-12-15

著者

• An Young

  Graduate Student Of Yokohama National University

• Morishita Shin

  Department of Mechanical Engineering, Yokohama National University

関連論文

• On Dynamic Characteristics of ER Fluid Squeeze Film Damper

スポンサーリンク