Linearization of friction effects in vibration of two rotating blades

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F13%3A43920166" target="_blank" >RIV/49777513:23520/13:43920166 - isvavai.cz</a>

Result on the web

<a href="http://www.kme.zcu.cz/acm/index.php/acm/article/view/90/214" target="_blank" >http://www.kme.zcu.cz/acm/index.php/acm/article/view/90/214</a>

DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Linearization of friction effects in vibration of two rotating blades

Original language description

This paper is aimed at modelling of friction effects in blade shrouding which are realized by means of friction elements placed between blades. In order to develop a methodology of modelling, two blades with one friction element in between are consideredonly. Flexible blades fixed to a rotating disc are discretized by FEM using 1D Rayleigh beam elements derived in rotating space as well as the friction element modelled as a rigid body. The blades and the friction element are connected through two concurrent friction planes, where the friction forces arise on the basis of centrifugal force acting on the friction element. The linearization of friction is performed using the harmonic balance method to determine equivalent damping coefficients in dependence on the amplitudes of relative slip motion between the blades and the friction element. The methodology is applied to a model of two real blades and will be extended for the whole bladed disc with shrouding.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

JQ - Machinery and tools

OECD FORD branch

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Project

<a href="/en/project/GA101%2F09%2F1166" target="_blank" >GA101/09/1166: Research of dynamic behaviour and optimalization of complex rotating systems with non-linear couplings and high damping materials</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2013

Confidentiality

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

Name of the periodical

Applied and Computational Mechanics

ISSN

1802-680X

e-ISSN

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Volume of the periodical

7

Issue of the periodical within the volume

1

Country of publishing house

CZ - CZECH REPUBLIC

Number of pages

18

Pages from-to

5-22

UT code for WoS article

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EID of the result in the Scopus database

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