Proceedings of the NATO Advanced Study Institute on Vibration and Wear Damage in High Speed Rotating Machinery, Tr?ia, Seb?tal, April 10-22, 1989I Particle and Wear Debris Analysis.- Particles in Lubricating Oils Sources and Consequences .- Condition Monitoring of Machine Elements: Particle Separation and Investigation.- Condition Monitoring of Machine Elements Measuring Methods for Particle Amount and Size.- Lubricants Indicators for Oil System Damage and Malfunction.- Early Failure Detection by Spectrometric Methods.- Magnetic Methods of Condition Monitoring.- II Erosion, Fretting Wear And Vibrations Fundamentals.- Cavitation Noise in Centrifugal Pumps.- Load Flow Phenomena and Excitation Forces in Centrifugal Pumps.- Estimation of Erosion Rates and Implosion Pressures in Cavitating Pumps and Cavitation Test Device.- Vibrations and Fretting Wear.- Wear Testing of Materials for Machines.- Wear Analysis of Vanes Pumps Running with Thickened High Water Based Fluids.- Machinery Vibration Measurements and Analysis.- Critical Speeds of Continuous Shaft-Disc Systems.- A Theoretical Study into the Effects of Damped Flexible Foundations on the Dynamic Behaviour of a 66 ?MW LP Steam Turbine.- A General Method for Rotordynamic Analysis.- Vibration of Rotor-Bearing Assemblies.- Modal Testing Techniques.- Applications and Advances of Modal Testing.- Modal Testing of Machinery Components.- Solid Particle Erosion in Electric Power Plants.- III Rotor/Bearing Behaviour.- On Bearing Deformation and Temperature Distribution in Dynamically-Loaded Engine Bearings.- The Control of Rotor Vibration Using Squeeze-Film Dampers.- Flow Efficiency and Excitation in Turbine Stages.- An Electroviscous Damper.- Dynamic Behaviour of Hydrostatic Radial Bearings.- Stability of Rotating Machines Running in Variable Stiffness Bearings.- Gas Bearing Design and Instabilities.- Identification of Stiffness, Damping and Inertia Coefficients of Annular Turbulent Seals.- Identification of Modl£–