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On the stability of Jeffcott rotor in fluid-film bearings (CROSBI ID 103550)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Stegić, Milenko ; Vranković, Nikola ; Kranjčević, Nenad On the stability of Jeffcott rotor in fluid-film bearings // Computer assisted mechanics and engineering sciences, 9 (2002), 4; 573-581-x

Podaci o odgovornosti

Stegić, Milenko ; Vranković, Nikola ; Kranjčević, Nenad

engleski

On the stability of Jeffcott rotor in fluid-film bearings

For some combinations of rotor speed radial load, the pressure of bearig fluid can perturb the pure rotational motion and disturb the normal operation of rotating machine. Classical approach to the stability analysis of Jeffcott rotor in fluid-film bearings is modelling bearings as spring-damper elements and disregarding the external rotor damping. Nonlinear models are used to verify results obtained from a linearized model. This paper deals with the influence of external rotor damping on the size of stability regions. Stability analysis of the Jeffcott rotor in fluid film bearings is performed by using both the linear model based on the linearisation of bearing force arround the static equilibrium position and the nonlinear model of the velocity linearization.

Stability; Rotor; Fluid-film bearings

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Podaci o izdanju

9 (4)

2002.

573-581-x

objavljeno

1232-308X

Povezanost rada

Strojarstvo

Indeksiranost