Title: Application of the Monte Carlo method for investigation of dynamical parameters of rotors supported by magnetorheological squeeze film damping devices
Authors: Zapoměl, Jaroslav
Ferfecki, Petr
Kozánek, Jan
Citation: Applied and Computational Mechanics. 2014, vol. 8, no. 1, p. 129-138.
Issue Date: 2014
Publisher: University of West Bohemia
Document type: article
článek
URI: http://www.kme.zcu.cz/acm/acm/article/view/247/275
http://hdl.handle.net/11025/11676
ISSN: 2336-1182 (Online)
1802-680X (Print)
Keywords: rigidní motory;magnetoreologický tlumič;přenos síly;Monte Carlo
Keywords in different language: rigid motors;magnetorheological damper;force transmission;Monte Carlo
Abstract: A flexible suspension with damping devices is an efficient technological tool for reducing forces transmitted be- tween the rotor and its frame. To achieve optimum performance of the damping elements, their damping effect must be adaptable to the current operating conditions. In practical rotordynamic applications this is offered by magnetorheological squeeze film dampers. Some of parameters, which determine behaviour of rotors, may have uncertain character. Then a probabilistic approach is needed for analysis of such systems. In this paper there is investigated the vibration amplitude of a rigid rotor damped by two magnetorheological squeeze film dampers and magnitude of the force transmitted to the stationary part during the steady state operating regime. The uncertain parameters of the studied system are the rotor unbalance and speed of its rotation. The Monte Carlo method was employed for this analysis.
Rights: © 2014 University of West Bohemia. All rights reserved.
Appears in Collections:Volume 8, number 1 (2014)
Volume 8, number 1 (2014)

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