Pregled bibliografske jedinice broj: 278662
Analysis of the critical parameters for appearance of the backward whirl in rotor-stator systems
Analysis of the critical parameters for appearance of the backward whirl in rotor-stator systems // Bulletins for Applied & Computer Mathematics, 109 (2006), 2286; 105-110 (podatak o recenziji nije dostupan, članak, znanstveni)
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Naslov
Analysis of the critical parameters for appearance of the backward whirl in rotor-stator systems
Autori
Braut, Sanjin ; Žigulić, Roberto ; Skoblar, Ante
Izvornik
Bulletins for Applied & Computer Mathematics (0133-3526) 109
(2006), 2286;
105-110
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
Rotor-dynamics; contact; backward whirl; FEM
Sažetak
Appearance of the backward whirl of a Jeffcot like rotor due to radial impact excitation and contact with a rigid stator is investigated numerically. For this purpose special finite element – FE application was made based on beam elements with flexural and torsional degrees of freedom – d.o.f. In simulations rotor system was driven by a model which represents an induction motor. The stator is supposed to be rigid. Normal force between the disc of the rotor and the stator was assumed to be nonlinear. For numerical integration Generalized–  method was used. Dependence between the most critical parameters for appearance of backward whirl was given.
Izvorni jezik
Engleski
Znanstvena područja
Strojarstvo
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