List of Papers Presented.- Keynote Paper Session.- A brief history of rotor dynamics.- Session 1 Balancing.- Theoretical and practical aspects in the field balancing of large turbogenerator rotors.- Active balancing of a high speed rotor in magnetic bearings.- Session 2 Torsion.- A new generation of torsional stress analysers for turbine-generators.- Coupled axial-torsional vibration in turbine generator rotors.- Nonstationary torsional vibrations during clutch operation.- Session 3 Cracked Structures.- A finite element model for transverse cracks in rotors including some fracture mechanics aspects.- The effects of a transverse crack on the dynamics of a circular shaft.- Vibrations of cracked rotating blades.- Session 4 Condition Monitoring I.- Development of computerised on-line condition monitoring of rotating machinery - a custom based approach.- An expert system of crack monitoring and diagnosing for rotating machines.- Alignment identification of multi-bearing rotor systems.- Smart rotors.- Fuzzy input-neural net adoptive expert systems for rotor diagnosis and prognosis.- Session 5 Stability.- Plain bearing stabilisation using swirl injection.- Stability analysis for a novel design of low impedance hydrodynamic bearing.- On the performance and stability of magnetic bearings.- Session 6 Seals.- Identification of friction factors for modelling the exciting forces caused by flow in labyrinth seals.- Physical modelling and data analysis of the dynamic response of a flexibly mounted rotor mechanical seal.- The relevance of the dynamic behaviour of the supporting structure in calculating critical speeds of multistage centrifugal pumps with interstage seals.- Session 7 Analytical Methods I.- The FEM development of a general, hollow conical shaft element for use intransfer matrix analysis of rotor-bearing systems: part I - formulation of the model.- The FEM development of a general, hollow conical shaft element for use in transfer matrix analysis of rotor-bearing systems: part II - analysis results and experimental correlation.- Response of a discontinuously nonlinear rotor system.- Session 8 Condition Monitoring II.- A PC-based evaluation and monitoring system for rotating machinery.- Some effects of the emerging science of design on the design of turbomachinery using a computer-based design model in conjunction with a knowledge-based expert system.- The organisation and use of knowledge-based expert systems in the computer-based design of turbomachinery.- Session 9 Geared Systems.- Optimising parameters in gear hob manufacturing to reduce gear transmission vibration and wear.- Finite element contact analysis of the cone roller enveloping worm gearing and stress computation.- Vibrational behaviour of rotors with gear couplings in case of insufficient coupling lubrication.- Session 10 Analytical Methods II.- On discrete-continuous modelling of the rotating systems for a non-linear torsional vibration analysis.- The rotary motion of a three degree of freedom manipulator linkage.- Physical interpretation and some properties of complex eigenvectors in rotordynamics by a time domain approach.- The evaluation of the safety of the shaft system of the large turbine generator set.- Session 11 Bladed Systems.- Vibration reduction of blading using interconnecting elements.- Vibration characteristics of an axial blading with different types of coupling links.- Session 12 Case Studies.- The use of finite element method to solve vibration problems on vertical pumps.- The influence of pulsating mechanical loads on acoustic noise generatedby AC induction motors.- Dynamics of electric submersible pumps.- High vibration on a 90MW gas turbine-generator due to a supporting structure resonance.- Study on torsional shaft vibration response of turbine-generator unit.- Session 13 Vibration Control.- Wide band active vibration controller for an out-of-balance rotor.- Vibration control of a flexible rotor suspended by active electromagnetic bearings.- Reduction of periodic rotating vibration using the repetitive control in the rotating servo system.- Session 14 Bearings I.- Steady-state analysis of a novel variable impedance oil film bearing.- Influence of elasticity and geometrical profile on dynamic transmissibility of connecting-rod bearing.- Vibration control in rotating machinery by the use of accumulators or aerated lubricants.- Session 15 Fluid Effects.- Modelling of recirculation in axial flow pumps.- Finite element integration of the bulk-flow equations.- A contribution to the dynamic simulation of nonlinear rotating machines with fluid dynamical coupling elements.- Session 16 Bearings II.- A consideration of damping in rotors supported by tilting-pad bearings.- The response of a spherical journal bearing to rotor unbalance.- Influence of ball bearing stiffness on squeeze film behaviour, including fluid flow turbulence and inertia effects.
