Minimizing the vibration amplitude of rotating machinery running through the resonance area by application of magnetorheological squeeze film dampers

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F16%3A00464126" target="_blank" >RIV/61388998:_____/16:00464126 - isvavai.cz</a>

Alternative codes found

RIV/61989100:27230/16:86098933 RIV/61989100:27740/16:86098933

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Minimizing the vibration amplitude of rotating machinery running through the resonance area by application of magnetorheological squeeze film dampers

Original language description

The unbalance of rotating machines excites their lateral vibration that can become excessive in the vicinity of the critical speeds. Placing magnetorheological dampers to the rotor supports is a possible technological solution for reducing its amplitude. Both the analytical studies and practical experience show that behaviour of these damping elements is strongly nonlinear. A novel mathematical model of a magnetorheological squeeze film damper has been developed on the assumptions of the classical theory of lubrication, except that for the lubricant. The magnetorheological oil is represented by a bilinear material, the yielding shear stress of which depends on magnetic induction. The simulation results show that a right control of the damping force arrives at significant reduction of the vibration amplitude. The development and application of a new model of a magnetorheological squeeze film damper and confirmation of its efficiency and computational stability are the principal contributions of this article.

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

BI - Acoustics and oscillation

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2016

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

Vibroengineering Procedia

ISBN

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ISSN

2345-0533

e-ISSN

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Number of pages

6

Pages from-to

68-73

Publisher name

JVE International

Place of publication

Kaunas

Event location

Moscow

Event date

Oct 4, 2016

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

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