首页--工业技术论文--化学工业论文--基本有机化学工业论文--一般性问题论文--机械与设备论文

乙烯环氧化填充床反应器反应性能模拟研究

ABSTRACT第5页
Abbreviations第13-15页
Chapter 1 Literature Review第15-31页
    1.1 Definition and History of Ethylene Oxide第15页
    1.2 Production and Utilization of Ethylene Oxide第15-16页
    1.3 Utilization of Ethylene Oxide第16-18页
        1.3.1 Sterilization第16-17页
        1.3.2 Ethylene Oxide in the Chemical Industry第17-18页
    1.4 Toxicity of Ethylene Oxide第18-20页
    1.5 Properties of Ethylene Oxide第20-21页
    1.6 Definition and Types of Experimental Reactors第21-26页
        1.6.1 Definition and Generality of Reactor第21-22页
        1.6.2 Types of Experimental Reactors第22-26页
            1.6.2.1 Batch Reactor第22-23页
            1.6.2.2 Continuous Stirred Tank Reactor CSTR第23-24页
            1.6.2.3 Plug Flow Tubular Reactor PFTR第24-25页
            1.6.2.4 Fed-Batch Reactor第25-26页
            1.6.2.5 Packed Bed Reactor第26页
    1.7 Computational Fluid Dynamic(CFD)Modeling第26-28页
        1.7.1 Introduction to CFD第26-27页
        1.7.2 ANSYS FLUENT第27页
        1.7.3 Fundamental Governing Equations第27-28页
    1.8 Modeling of Packed Bed Reactors for Ethylene Epoxidation第28-29页
    1.9 Thesis Structure第29-31页
Chapter 2 Modeling and Simulation Methodology第31-44页
    2.1 Solvers Type第31-35页
        2.1.1 Pressure-based Solvet第32-34页
        2.1.2 Solver Density Based第34-35页
    2.2 Mass Balance and Energy Equations第35-36页
    2.3 Equation of CFD第36-37页
        2.3.1 Equation of Mass Conservation第36页
        2.3.2 Equation of Momentum第36-37页
    2.4 Equation of Energy Conservation第37页
    2.5 Turbulence Model第37-42页
        2.5.1 Transport Equations k-ε Model Realizable第38页
        2.5.2 Turbulent Viscosity第38-39页
        2.5.3 Model Constants第39页
        2.5.4 Specification of Turbulence Parameters第39-40页
        2.5.5 Generation of Turbulence第40页
        2.5.6 Buoyancy Turbulence Effects第40-41页
        2.5.7 Effects of Compressibility on Turbulence第41-42页
        2.5.8 Convective Heat and Mass Transfer第42页
    2.6 Transport Species and Reactions第42-44页
        2.6.1 Equation of Transport Species第42-43页
        2.6.2 Mass Diffusion in Turbulent Fluids第43页
        2.6.3 Formulation "Generalized Finite-Rate"第43-44页
Chapter 3 Simulation Conditions第44-58页
    3.1 Physical Description of Model and Assumptions第44页
    3.2 General Description of Different Cases for Simulation第44页
    3.3 Methodology by Using the Commercial Software FLUENT第44-45页
    3.4 Numerical Setup of Model第45-47页
    3.5 Kinetics Parameters第47-48页
    3.6 Optimization Strategies第48-49页
    3.7 Solution Methodology for Numerical Simulation第49页
        3.7.1 Pre-processing第49页
        3.7.2 Processing第49页
        3.7.3 Post-processing第49页
    3.8 Geometry of the Packed Bed Reactor第49-50页
    3.9 Meshing Choice第50-52页
    3.10 Discretization Method第52-53页
    3.11 Numerical Strategies of FLUENT第53-54页
    3.12 Meshed Grid Sensitivity Analysis and Mesh-Independency第54-55页
    3.13 Convergence Criteria第55-58页
Chapter 4 Detailed Discussion on Ethylene Oxide Selectivity from Simulated Results第58-73页
    4.1 Model Verification第58-59页
    4.2 Ethylene Conversion第59-61页
        4.2.1 Specification of the Operating Conditions第59页
        4.2.2 Ethylene Conversion第59-60页
        4.2.3 Reactor Length Effect on Ethylene Conversion第60-61页
    4.3 Selectivity to Ethylene Oxide第61-68页
        4.3.1 Ethylene Oxide Selectivity第61-62页
        4.3.2 Selectivity to Ethylene Oxide along the Packed Bed Reactor第62-63页
        4.3.3 Influence of Inlet Concentrations on Ethylene Oxide selectivity第63-65页
        4.3.4 Rate of Ethylene Oxide Formation and Apparent Orders第65-67页
        4.3.5 Comparison of Ethylene Oxide Selectivity between Simulation Result and Experimental Data第67页
        4.3.6 Evolution of Species in Mole Fractions along the Packed Bed Reactor第67-68页
    4.4 Temperature Distribution第68-73页
        4.4.1 Temperature Distribution along the Packed Bed Reactor第68-69页
        4.4.2 Contour for Mole fractions of Each Species第69-71页
        4.4.3 Velocity and Pressure Distribution along Radial Direction第71页
        4.4.4 Temperature Distribution Effect on Species第71-73页
Chapter 5 Conclusion第73-75页
REFERENCES第75-83页
ANNEX A第83-95页
    FLUENT CONFIGURATION第83-95页
        A.1 General Configuration第83页
        A.2 Model Choice第83-89页
        A.3 Boundary conditions第89-90页
        A.4 Simulation solution第90-95页
Acknowledgements第95-97页
Brief Introduction of Author第97-98页
硕士研究生学位论文答辩委员会决议书第98-99页

论文共99页,点击 下载论文
上一篇:纤维素在离子液体中糖化工艺的研究
下一篇:贵金属敏化稀土有机物/高分子复合纤维荧光性能研究