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A journal bearing with actively modified geometry for extending the parameter-based stability range of rotor dynamic systems

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URI: http://hdl.handle.net/2042/57033
Title: A journal bearing with actively modified geometry for extending the parameter-based stability range of rotor dynamic systems
Author: Becker, K.; Seemann, W.
Abstract: In the following a method for an active adjustment of the journal bearing's clearance is presented. It is revealed that the stability range of the equilibrium position of a rotor system can be extended by an appropriate excitation and therefore self-excited vibrations are suppressed, allowing a higher operational rpm of the whole system.
Subject: two; lobe bearing; stability; rotor dynamics; variable geometry; Reynolds euqation
Publisher: AFM, Association Française de Mécanique
Date: 2015

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