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双向潮汐发电机组含进出水库全流道流动及相似性研究

摘要第3-4页
Abstract第4-5页
Chapter 1 Introduction第8-24页
    1.1 Research background第8-11页
    1.2 Literature review第11-23页
        1.2.1 Experimental and numerical research of bulb turbines第11-16页
        1.2.2 Influence factors on unit performances in low-head turbines第16-20页
        1.2.3 Intake head losses in hydraulic turbines第20-23页
    1.3 Objectives and main contents第23-24页
Chapter 2 Numerical model establishment for predicting prototype performances第24-34页
    2.1 Tidal power turbine prototype第24-25页
    2.2 Approaches and assumptions for two-phase flow fields第25-26页
    2.3 Numerical method第26-32页
        2.3.1 Governing equations for two-phase three-component flow第26-27页
        2.3.2 Turbulence modeling第27-28页
        2.3.3 Cavitation model第28页
        2.3.4 Computational domain and boundary condition第28-31页
        2.3.5 Grid independence study第31-32页
    2.4 Verification第32页
    2.5 Summary第32-34页
Chapter 3 Comparative study of performance prediction models for tidal power turbines第34-47页
    3.1 Introduction第34页
    3.2 Numerical prediction models for prototype turbines第34-35页
    3.3 Simulation results predicted by different models第35-46页
        3.3.1 Comparison to the test result第35-36页
        3.3.2 Internal flow characteristics in turbine第36-40页
        3.3.3 Hydraulic performances with cavitation第40-43页
        3.3.4 Hydraulic loss analysis第43-46页
    3.4 Summary第46-47页
Chapter 4 Analysis on effect of intake vortices on prototype unit performances第47-68页
    4.1 Introduction第47页
    4.2 Approach flow behaviors and effects on the intake channel flow第47-56页
        4.2.1 Intake design effect第47-49页
        4.2.2 Intake vortex effect第49-54页
        4.2.3 Upstream water level effect第54-56页
    4.3 Hydraulic loss analysis on turbine inflow conditions第56-60页
        4.3.1 Methodology第56页
        4.3.2 Loss coefficient estimation第56-60页
    4.4 Analysis of inflow non-uniformity effect on hydraulic performances第60-67页
    4.5 Summary第67-68页
Chapter 5 Proposal of a model test method in low-head tidal power turbines第68-89页
    5.1 Introduction第68页
    5.2 Scale effects between prototype and model units第68-72页
    5.3 Water tank modeling based on geometric similarity第72-75页
    5.4 Effect of water tank modeling on turbine model performance第75-82页
        5.4.1 Approaches on water tank modeling第75-76页
        5.4.2 Flow simulation in the model unit including water tank models第76-82页
    5.5 Prototype performance prediction considering inflow conditions第82-87页
        5.5.1 Effect of water tank modeling on model cam-curves第83-85页
        5.5.2 Prediction under the geometric similarity for whole flow passage第85-87页
    5.6 Summary第87-89页
Chapter 6 Conclusions and future work第89-93页
    6.1 Main concluding remarks第89-91页
    6.2 Innovation points第91页
    6.3 Future work第91-93页
References第93-99页
致谢第99-101页
Resume and published papers第101-103页

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