This note demonstrates how the four damping coefficients associated with a squeeze-film isolator can be identified from time-series records of the displacement responses to synchronous excitation.
Get full access to this article
View all access options for this article.
References
1.
StanwayR.BurrowsC. R.HolmesR.Discrete-time modelling of a squeeze-film bearing. J. Mech. Engng. Sci., 1979, 21(6), 419–427.
2.
BurrowsC. R.Sayed-EsfahaniR.StanwayR.A comparison of multifrequency techniques for measuring the dynamics of squeeze-film bearings. Trans. ASME, J. Lubric. Tech., 1981, 103(1), 137–143.
3.
MortonP. G.The derivation of bearing characteristics by means of transient excitation applied directly to a rotating shaft. G.E.C. J. Sci. Tech., 1975, 42, 37–47.
4.
BurrowsC. R.StanwayR.A coherent strategy for estimating linearised oil-film coefficients. Proc. R. Soc. Lond., 1980, 370A, 89–105.
5.
WoodcockJ. S.HolmesR.The determination and application of the dynamic properties of a turbo-rotor bearing oil-film. Proc. Instn Mech. Engrs., 1969–70, 184 pt. 3L, 111–119.
6.
DetchmendyD. M.SridharR.Sequential estimation of states and parameters in noisy non-linear dynamical systems. Trans. ASME, J. Basic Engng., 1966, 88D, 362–368.
7.
HolmesR.Vibration and its control in rotating systems. IUTAM Symposium Dynamics of Rotors, Denmark, 1974, pp 156–181.
