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The paper is concerned with the dissipative effect of the magnetic hysteresis in transverse dynamics of a rigid rotor supported in hydrodynamic bearings with magnetic actuation. Attention is focused on the influence of magnetic damping induced in the ferromagnetic core of a single magnetic actuator on the stability domain and the resonant behaviour of a rotor under constant gravity load and harmonic excitation. The dynamic relation between the magnetic field and magnetic induction in the core is described in form of a differential equation based on the hypothesis of magneto-rheologic analogy. Nonlinear magnetization curve reflecting magnetic saturation is included.
Czasopismo
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Tom
Strony
43--52
Opis fizyczny
Bibliogr. 8 poz., rys., wykr.
Twórcy
Bibliografia
- Bertotti, G., 1998, Hysteresis in Magnetism, Academic Press, San Diego.
- Dziedzic, K., 2005, Dynamics of rotors with active magnetic damping in bearings (original title in Polish: Dynamika wirników z aktywnym tłuimieniem magnetycznym w łożyskach) Ph. D. Thesis, Warsaw Unversity of Technology.
- Dziedzic, K., Kurnik, W., 2002, Stability of a Rotor with Hybrid Magneto-Hydrodynamic Support, Machine Dynamics Problems, 26, No 4, 33-433.
- Kurnik, W., 1994, Magnetic stabilization of a rotor with hydrodynamic bearings, Machine Dynamics Problems, 7, 117-133.
- Kurnik, W., 1995, Active magnetic antiwhirl control of a rigid rotor supported on hydrodynamic bearings, Machine Dynamics Problems, 10, 21-36.
- Muszyńska, A., Wesley, D.F., Bently, D. E., 1987, Rotor active ,,anti-swirl” control, Proceedings of 11-th ASME Conference on Mechanical Vibrations and Noise, Boston, 215-222.
- Newkirk, B.L., Taylor, H.D., 1925, Shaft Whipping due to Oil Action, General Electric Review, 559-568.
- Osinski, Z., (Ed.), 2000, Damping of Vibration, AA Balkema.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BWAD-0002-0021