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1000MW汽轮发电机组转子动力学特性与稳定性研究

Contents第5-7页
Acknowledgements第7-8页
详细摘要第8-14页
Abstract第14-18页
Nomenclature第19-21页
1 Introduction第21-35页
    1.1 The General Problem and the Significance第21-25页
    1.2 Literature Review第25-32页
    1.3 The Main Research of this Work第32-33页
    1.4 The novelty of this thesis第33-35页
2 Basic Rotor Dynamics:Modeling and Analysis第35-60页
    2.1 Introduction第35-36页
    2.2 Coordinate System第36-37页
    2.3 Basic Rotor Finite Element第37-47页
        2.3.1 Shaft Element第37-42页
        2.3.2 Disk Elements第42-43页
        2.3.3 Bearing Elements第43-45页
        2.3.4 Assembling the Structure第45-47页
    2.4 Dynamics Analysis Rotor Bearing System Vibration第47-56页
        2.4.1 Free Response第47-48页
        2.4.2 Force Response第48-51页
        2.4.3 Response of Bent Rotor第51-52页
        2.4.4 Campbell Diagram and Critical Speed第52-54页
        2.4.5 Mode Shape第54-56页
        2.4.6 Forward and Backward Whirl第56页
    2.5 Rotor Bearing System Modeling Recommendations第56-58页
    2.6 Summary第58-60页
3 Dynamics Analysis of Lateral Vibration on the 1000MW Unit's Rotor第60-89页
    3.1 Introduction第61-62页
    3.2 Finite Element Modeling of the Rotor第62-65页
    3.3 Dynamic Analysis Vibration of 1000MW Unit's Rotor第65-79页
        3.3.1 Natural Frequencies and Mode Shape第65-67页
        3.3.2 Critical Speeds第67-69页
        3.3.3 Unbalance Response第69-76页
        3.3.4 Response of Bent Rotor第76-79页
    3.4 Sensitivity Analysis of Vibration Behavior第79-84页
        3.4.1 Sensitivity Analysis of Critical Speeds under Thermal Effects第79-81页
        3.4.2 Analysis Sensitivity of a Rotor Vibration Set by Changing Bearing Parameters第81-84页
    3.5 Influence of the Distance between Bearings第84-86页
    3.6 Running through Critical Speeds第86-87页
    3.7 Summary第87-89页
4 Dynamics Analysis of Torsional Vibration on the 1000MW Unit's Rotors第89-118页
    4.1 Introduction第89-91页
    4.2 Torsional Vibration Finite Elements第91-94页
        4.2.1 Distributed Mass Matrix第91-92页
        4.2.2 Lumped Mass Matrix第92-93页
        4.2.3 Coupled Rotors第93-94页
    4.3 Analysis Torsional Vibration of 1000MW Rotors第94-104页
        4.3.1 Torsionally Modeling of 1000 MW Rotors第94-96页
        4.3.2 Torsional Natural Frequencies and Mode Shapes第96-99页
        4.3.3 Transient Analysis for Free Vibration第99-104页
    4.4 Sensitivity Analysis of Torsional Vibration第104-113页
        4.4.1 Sensitivity Analysis under Thermal Effects第104-107页
        4.4.2 Sensitivity Analysis of Torsional Vibration on some Mechanical Parameters第107-113页
    4.5 Force response第113-117页
        4.5.1 Modal Analysis第113-114页
        4.5.2 Shaft Response after Generator Electrical Fault第114-117页
    4.6 Summary第117-118页
5 Stability Analysis of 1000MW Unit's Rotor第118-134页
    5.1 Introduction第118-120页
    5.2 Stability Analysis of the LP B Rotor Supported by Fluid Film Bearings第120-129页
        5.2.1 Fluid Film Thickness of Fluid Film Bearing第120-121页
        5.2.2 Equilibrium Definition第121-125页
        5.2.3 Stiffness and Damping Coefficients for Fluid Film Bearings第125-126页
        5.2.4 Stability Analysis of the LP B Rotor第126-129页
    5.3 Analysis Instability of the Rotor due to Internal Rotor damping第129-132页
        5.3.1 Internal Rotor Damping第129-131页
        5.3.2 Instability of the Rotor第131-132页
    5.4 Summary第132-134页
6 Stress Analysis of 1000MW Unit's Rotor第134-142页
    6.1 Introduction第134页
    6.2 Radial and Hoop Stresses due to Spin第134-136页
    6.3 Axial Stress due to Lateral Deformation of the Rotor第136-139页
    6.4 Shear Stresses due to Torsional Vibration第139-141页
    6.5 Summary第141-142页
7 Conclusions and Prospects for Further Work第142-144页
    7.1 Conclusions第142-143页
    7.2 Prospects for Further Work第143-144页
References第144-151页
Appendix 1: Publications第151页

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