Bearing Dynamic Coefficients in Rotordynamics. Lukasz Brenkacz

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      1  Cover

      2  Series Page

      3  Title Page

      4  Copyright Page

      5  Dedication Page

      6  List of Figures

      7  List of Tables

      8  Preface

      9  Symbols and Abbreviations Symbols Abbreviations

      10  About the Companion Website

      11  1 Introduction 1.1 Current State of Knowledge 1.2 Review of the Literature on Numerical Determination of Dynamic Coefficients of Bearings 1.3 Review of the Literature on Experimental Determination of Dynamic Coefficients of Bearings 1.4 Purpose and Scope of the Work

      12  2 Practical Applications of Bearing Dynamic Coefficients 2.1 Single Degree of Freedom System Oscillations 2.2 Oscillation of Mass with Two Degrees of Freedom 2.3 Cross‐Coupled Stiffness and Damping Coefficients 2.4 Summary

      13  3 Characteristics of the Research Subject 3.1 Basic Technical Data of the Laboratory Test Rig 3.2 Analysis of Rotor Dynamics 3.3 Analysis of the Supporting Structure 3.4 Summary

      14  4 Research Tools 4.1 Test Equipment 4.2 Test.Lab Software 4.3 Samcef Rotors Software 4.4 Matlab Software 4.5 MESWIR Series Software (KINWIR, LDW, NLDW) 4.6 Abaqus Software

      15  5 Algorithms for the Experimental Determination of Dynamic Coefficients of Bearings 5.1 Development of the Calculation Algorithm 5.2 Verification of the Calculation Algorithm on the Basis of a Numerical Model 5.3 Results of Calculations of Dynamic Coefficients of Bearings 5.4 Summary

      16  6 Inclusion of the Impact of an Unbalanced Rotor 6.1 Calculation Scheme 6.2 Definition of the Scope of Identification 6.3 Results of the Calculation of Dynamic Coefficients of Bearings Including Rotor Unbalance 6.4 Summary

      17  7 Sensitivity Analysis of the Experimental Method of Determining Dynamic Coefficients of Bearings 7.1 Method of Carrying Out a Sensitivity Analysis 7.2 Description of the Reference Model 7.3 Influence of the Stiffness of the Rotor Material 7.4 Influence of Uneven Force Distribution on Two Bearings 7.5 Changing the Direction of the Excitation Force and its Effect on the Results Obtained 7.6 Eddy Current Sensor Displacement Impact Assessment 7.7 Calculation Results for an Asymmetrical Rotor 7.8 Summary

      18  8 Experimental Studies 8.1 Software Used for Processing of Signals from Experimental Research 8.2 Software Used for Calculations of Dynamic Coefficients of Bearings 8.3 Preparation of Experimental Tests 8.4 Implementation of Experimental Research 8.5 Processing of the Signal Measured During Experimental Tests 8.6 Results of Calculations of Dynamic Coefficients of Hydrodynamic Bearings on the Basis of Experimental Research 8.7 СКАЧАТЬ