Pohyb rotoru uloženého v aerodynamických ložiskách

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F07%3A00082190" target="_blank" >RIV/61388998:_____/07:00082190 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Motion of rotor supported on aerodynamic bearings

Popis výsledku v původním jazyce

The tilting pad bearings are very often applied in high speed rotating machines. The exact solution of bearing characteristics, including the motion of tilting pads, is very difficult and not yet completely elaborated. an approximate method for calculattion of rigid rotor motion with large amplitudes limited only by the bearing clearance is presented. The models of stiffness and damping forces valid for the entire area of journal motion in the aerodynamic bearingś clearance are based on the transformation of linear stiffness and damping characteristics calculated for two cases of stationary state and extended to the whole bearing field by using the correction function fc(r). Differential equations of motion of rigid rotor supported on two aerodynamic bearings with proposed nonlinear characteristics are numerically solved and resulting time histories of journal motion, their plane trajectories will be presented.

Název v anglickém jazyce

Motion of rotor supported on aerodynamic bearings

Popis výsledku anglicky

The tilting pad bearings are very often applied in high speed rotating machines. The exact solution of bearing characteristics, including the motion of tilting pads, is very difficult and not yet completely elaborated. an approximate method for calculattion of rigid rotor motion with large amplitudes limited only by the bearing clearance is presented. The models of stiffness and damping forces valid for the entire area of journal motion in the aerodynamic bearingś clearance are based on the transformation of linear stiffness and damping characteristics calculated for two cases of stationary state and extended to the whole bearing field by using the correction function fc(r). Differential equations of motion of rigid rotor supported on two aerodynamic bearings with proposed nonlinear characteristics are numerically solved and resulting time histories of journal motion, their plane trajectories will be presented.

Druh

D - Stať ve sborníku

CEP obor

BI - Akustika a kmity

OECD FORD obor

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Projekt

<a href="/cs/project/GA101%2F06%2F1787" target="_blank" >GA101/06/1787: Dynamické vlastnosti plynových ložisek a jejich interakce s rotorem</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2007

Kód důvěrnosti údajů

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

Název statě ve sborníku

Engineering Mechanics 2007 : national conference with international participation : book of extended abstracts

ISBN

978-80-87012-06-2

ISSN

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e-ISSN

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Počet stran výsledku

2

Strana od-do

235-236

Název nakladatele

Institute of Thermomechanics AS CR, v. v. i.

Místo vydání

Praha

Místo konání akce

Svratka

Datum konání akce

14. 5. 2007

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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