This paper presents an investigation of the rotordynamic behaviour of a four-lobe orifice compensated hybrid bearing. It aims to show that multilobe hybrid journal bearings prove to be a better alternative for high-speed turbo pump applications.
Abdul-WahedN. D.PascalM. T.Stability and unbalance response of large turbine bearing. TransASME, J. Lubric. Technol., 1982, 104, 66–74.
2.
RedcliffJ. M.VohrJ. H.Hydrostatics bearings for cryogenic rocket engine pumpsTrans. ASME, J. Lubric. Technol., 1969, 557–575.
3.
HellerS.Static and dynamic performance of externally pressurized fluid film journal bearings in the turbulent regimeTrans. ASME, J. Lubric. Technol., Ser. F, July 1974, 390.
4.
ArtilesA.WalowitJ.ShapiroW.Analysis of hybrid fluid film journal bearing with turbulence and inertial effects In Advances in Computer Aided Bearing Design, ASME Publication G00220, 1982, pp. 25–52 (American Society of Mechanical Engineers, New York).
5.
GhoshM. K.ViswanathN. S.Recess volume fluid compressibility effect on the dynamic characteristics of multirecess hydrostatic journal bearing with journal rotationTrans. ASME, J. Tribology, 1987, 109, 417–426.
6.
GhoshM. K.GuhaS. K.MajumdarB. C.Fluid inertia effect on the dynamic stiffness of hydrostatic journal bearings. In STLE/ASME Joint Tribology Conference, Fort Lauderdale, Florida, 16-19 October 1989, paper 89-Trib-7.
7.
AndresSan L. A.Turbulent hybrid bearings with fluid inertia effectsTrans. ASME, J. Tribology, 1990, 112, 699–707.
8.
FranchekN.ChildsD.AndresSan L.Theoretical and experimental comparisons for rotordynamic coefficients of a high-speed, high pressure orifice compensated hybrid bearingsTrans. ASME, J. Tribology, 1995, 117 (2), 285–290.
9.
SawisckiJ. T.CapaldiR. J.AdamsM. L.Experimental and theoretical rotordynamic characteristics of a hybrid journal bearingTrans. ASME, J. Tribology, January 1997, 119, 132–143.
10.
NgC. W.PanC. H. T.Linearized turbulent lubrication theoryTrans. ASME, J. Basic Engng, 1965, 87, 675–688.
11.
ElrodH. G.NgC. W.A theory for turbulent films and its application to bearingTrans. ASME, J. Lubric. Technol., 1967, 89, 346–362.