首页--工业技术论文--石油、天然气工业论文--石油机械设备与自动化论文--油气储运机械设备论文--泵站(压缩机)设备论文

Investigation on the Aerodynamic Performance of the Centrifugal Compressor Stage with Ideal Gas

ABSTRACT第4页
Nomenclature第13-15页
Chapter 1 Introduction第15-22页
    1.1 Development of Centrifugal Compressor and Computational Fluid Dynamics第15-16页
    1.2 Centrifugal Compressor Stage第16-17页
    1.3 Instability of Centrifugal Compressor第17-19页
        1.3.1 Rotating Stall第18页
        1.3.2 Surge and Choke Characteristics第18-19页
    1.4 Centrifugal Compressor Diffusers Research第19-20页
    1.5 Research Objectives and Scope第20-22页
Chapter 2 Internal Flow Equations of Centrifugal Compressor Stage第22-32页
    2.1 The BasicComponent of Centrifugal Compressor Stage第22-25页
        2.1.1 Vanless Diffuser第23-24页
        2.1.2 Return Passage Geometry第24-25页
    2.2 The Basic Flow Equation第25-31页
        2.2.1 Streamline Equation第25-26页
        2.2.2 Vorticity and Irrotational Flow Equation第26页
        2.2.3 Continuity Equation第26-27页
        2.2.4 Momentum Equation第27-28页
        2.2.5 Ideal Gas Model第28-29页
        2.2.6 Basic Choke Flow Equation第29-30页
        2.2.7 Basic Surge Flow Equation第30-31页
    2.3 Summary第31-32页
Chapter 3 Numerical Method of Centrifugal Compressor Stage第32-40页
    3.1 Reynolds Time Averaging and Averaged Transport Equations第32-33页
    3.2 Reynolds Averaged and N-S Equation第33-34页
    3.3 Mesh Generation第34-35页
    3.4 Performance Metrics第35-36页
    3.5 Characteristics of Losses on Return Passage Flow第36-38页
    3.6 Axisymmetric Parameterization第38-39页
    3.7 Summary第39-40页
Chapter 4 Experimental Validation and Numerical Method Investigations第40-67页
    4.1 Grid Indeoendence Check第41-45页
        4.1.1 Impeller Grid Convergence第42页
        4.1.2 Impeller and Diffuser Grid Convergence第42-43页
        4.1.3 Impeller, Diffuser and Return Channel Grid Convergence第43-45页
    4.2 Validation of Experiment and Numberical Methods第45-47页
    4.3 Flow Passage Assessment第47-54页
        4.3.1 Diffuser Flow Feature第49-51页
        4.3.2 Return Bend Flow Feature第51-53页
        4.3.3 Return Channel Flow Feature第53-54页
    4.4 Surge Region, Operation Region, and Choke Region Flow Features第54-66页
        4.4.1 Mach number Contours第55-56页
        4.4.2 Streamline Contours第56-59页
        4.4.3 Flow Features on Impellers第59-61页
        4.4.4 Flow Features on Diffusers第61-63页
        4.4.5 The Return Channel Flow Features第63-66页
    4.5 Summary第66-67页
Chapter 5 Optimization of Diffuser第67-88页
    5.1 Flow Feature in Diffuser第67-71页
    5.2 Flow Feature Comparison第71-79页
        5.2.1 Diffuser and Return Channel Losses第71-73页
        5.2.2 Comparison of Diffuser’s Flow Field第73-75页
        5.2.3 Comparison of Return Channel第75-78页
        5.2.4 Comparison of Meridional Flow Feature第78-79页
    5.3 Performance Comparison第79-87页
        5.3.1 Performances Characteristics Curvature第79页
        5.3.2 Surge Point Comparisons第79-82页
        5.3.3 Viscous Dissipation Losses Performance第82-83页
        5.3.4 Surge Line Stability第83-84页
        5.3.5 Blade Loading on Diffuser第84-87页
    5.4 Summary第87-88页
Chapter 6 Conclusion第88-89页
    6.1 Summary第88页
    6.2 Future Work第88-89页
Bibliography第89-93页
Acknowledgements第93-94页

论文共94页,点击 下载论文
上一篇:平板湍流边界层主动控制及减阻机理实验研究
下一篇:氢气/空气在多孔介质微燃烧器中预混燃烧特性的数值模拟