About: Simulation study of a rotor system response to kinematic perturbation

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper deals with the rotor vibration in journal bearings to prepare a mathematical model for verifying the rotor vibration active control by moving the bushings, inserted into bearing pedestals with clearance. The model supposes that the rotor is maintained in equilibrium position by forces generated in oil film. Bearing forces can be modeled as a spring and damper system rotating at the angular velocity, which is a fraction of the rotor angular velocity. The main goal of the simulation study is to predict a rotor response to kinematic perturbations. The other goal is to verify the model principle and to estimate its parameters by comparing simulation results with experimental data, namely the instability of motion during run-up tests. The paper deals with the rotor vibration in journal bearings to prepare a mathematical model for verifying the rotor vibration active control by moving the bushings, inserted into bearing pedestals with clearance. The model supposes that the rotor is maintained in equilibrium position by forces generated in oil film. Bearing forces can be modeled as a spring and damper system rotating at the angular velocity, which is a fraction of the rotor angular velocity. The main goal of the simulation study is to predict a rotor response to kinematic perturbations. The other goal is to verify the model principle and to estimate its parameters by comparing simulation results with experimental data, namely the instability of motion during run-up tests. (en) Příspěvek pojednává o kmitech rotoru v kluzných ložiscích s cílem připravit matematický model pro ověřování aktivního řízení ložiska pohyby vnitřního pouzdra, které je vloženo do stojanu ložisek s určitou vůlí. Model předpokládá že rotor je udržován v rovnovážné poloze silami vyvolanými olejovým filmem, který je modelován soustavou pružiny a tlumiče, která rotuje zlomkem rychlosti rotace rotoru. Hlavním cílem simulační studie je predikovat odezvu rotoru na kinematické buzení. Dalším cílem je verifikovat princip modelu a odhadnout jeho parametry porovnáním s experimentem, který sledoval vznik nestability při náběhu na provozní otáčky. (cs)
Title	Simulation study of a rotor system response to kinematic perturbation Simulační studie odezvy rotorového systému na kinematické buzení (cs) Simulation study of a rotor system response to kinematic perturbation (en)
skos:prefLabel	Simulation study of a rotor system response to kinematic perturbation Simulační studie odezvy rotorového systému na kinematické buzení (cs) Simulation study of a rotor system response to kinematic perturbation (en)
skos:notation	RIV/61989100:27230/08:00018055!RIV09-GA0-27230___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA101/07/1345)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Tůma, Jiří Víteček, Antonín
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta strojní
http://linked.open...dnocenehoVysledku	394910
http://linked.open...ai/riv/idVysledku	RIV/61989100:27230/08:00018055
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	journal bearing; rotor dynamics; active control; model; simulation; kinematic perturbation (en)
http://linked.open.../riv/klicoveSlovo	journal bearing model simulation rotor dynamics active control kinematic perturbation
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[E8C5254A7D6D]
http://linked.open...i/riv/nazevZdroje	Acta Mechanica Slovaca
http://linked.open...in/vavai/riv/obor	JB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Active control of journal bearings aimed at suppressing the rotor instability
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	12
http://linked.open...iv/tvurceVysledku	Tůma, Jiří Víteček, Antonín Šimek, J.
issn	1335-2393
number of pages	9 (xsd:int)
http://localhost/t...ganizacniJednotka	27230
is http://linked.open...avai/riv/vysledek of	Simulation study of a rotor system response to kinematic perturbation Simulation study of a rotor system response to kinematic perturbation Simulation study of a rotor system response to kinematic perturbation Simulation study of a rotor system response to kinematic perturbation

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