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高海拔地区轻型车排放特性研究

摘要第4-6页
abstract第6-7页
CHAPTER 1 INTRODUCTION第16-23页
    1.1 OVERVIEW第16-17页
    1.2 PURPOSE AND SIGNIFICANCE OF THE THESIS RESEARCH第17-18页
    1.3 PROJECT SCOPE AND CONTENTS第18-19页
    1.4 PREVIOUS RESEARCHES REVIEW第19-23页
CHAPTER 2 THEORETICAL BACKGROUND第23-30页
    2.1 SPARK IGNITION ENGINE (SI ENGINE)第23页
    2.2 FACTORS AFFECTING ENGINE PERFORMANCE第23-24页
        2.2.1 Compression Ratio第23-24页
        2.2.2 Fuel-Air Ratio第24页
        2.2.3 Engine Speed第24页
        2.2.4 Environment conditions第24页
    2.3 FACTORS AFFECTING EXHAUST EMISSIONS第24-26页
        2.3.1 Slow Running (Idling)第25页
        2.3.2 Heavy Engine Load (High Speed)第25页
        2.3.3 Coasting and Deceleration第25页
        2.3.4 Acceleration第25页
        2.3.5 Light Engine Load (Cruising Speed)第25-26页
    2.4 VEHICLE DEFINITION第26页
    2.5 ATMOSPHERIC PROPERTIES WITH THE ALTITUDE第26-28页
        2.5.1 U.S Standard Atmosphere第27页
        2.5.2 International Standard Atmosphere第27-28页
    2.6 DRIVING CYCLES第28-30页
        2.6.1 Federal Test Procedure (FTP)第28页
        2.6.2 New European Driving Cycle (NEDC)第28-30页
CHAPTER 3 COMPUTATIONAL SIMULATION第30-55页
    3.1 SIGNIFICANCE OF THE SIMULATION第30-31页
    3.2 SIMULATION SOFTWARE (WAVE)第31页
    3.3 SIMULATION SOFTWARE-MODELS & DEFINITIONS第31-36页
        3.3.1 Chen-Flynn Friction Model第31-32页
        3.3.2 Woschni Heat Transfer Model第32-33页
        3.3.3 SI Wiebe Combustion Model第33页
        3.3.4 Discretization Length第33-34页
        3.3.5 Complex Y-Junction第34-35页
        3.3.6 Three Way Catalytic converter (TWC)第35-36页
    3.4 SETTING GENERAL PARAMETERS第36-38页
    3.5 DEFINING THE ENGINE第38-41页
        3.5.1 Engine Geometry第38-39页
        3.5.2 Operating Parameters第39-40页
        3.5.3 Heat Transfer Model第40页
        3.5.4 Combustion Model第40-41页
    3.6 INTAKE AND EXHAUST AMBIENT PANEL第41-42页
    3.7 AIR INTAKE SYSTEM第42-47页
    3.8 DEFINING VALVES第47-49页
        3.8.1 Throttle Valve – Butterfly Valve第47-48页
        3.8.2 Intake and Exhaust Valves – Lift Valve第48-49页
    3.9 PROPORTIONAL INJECTOR第49-50页
    3.10 EXHAUST SYSTEM AND AFTERTREATMENT GASES DEVICE第50-55页
CHAPTER 4 SIMULATION AND RESULTS ANALYSIS第55-71页
    4.1 CONVERGENCE ANALYSIS第55-56页
    4.2 COMBUSTION RESULTS第56-59页
        4.2.1 Engine Fuel Rate第56-57页
        4.2.2 Pressure – Volume Diagram第57-59页
    4.3 ENGINE PERFORMANCE RESULTS第59-61页
        4.3.1 Brake Power (BP)第59-60页
        4.3.2 Brake Specific Fuel Consumption (BSFC)第60-61页
        4.3.3 Brake Thermal Efficiency (BTE)第61页
    4.4 EXHAUST EMISSIONS RESULTS第61-71页
        4.4.1 Carbon Monoxide Emissions (CO)-Pre Three Way Catalyst第61-63页
        4.4.2 Hydrocarbon Emissions ( CH4 and C3H6)-Pre Three Way Catalyst第63-65页
        4.4.3 Nitrogen Oxide Emissions (NO and NO2 Emissions)-Pre Three Way Catalyst第65-67页
        4.4.4 Carbon Monoxide Emissions (CO)-Post Three Way Catalyst第67-68页
        4.4.5 Hydrocarbon Emissions ( HCs)-Post Three Way Catalyst第68-69页
        4.4.6 Nitrogen Oxides Emissions (NO and NO2 Emissions) -Post Three Way Catalyst第69-71页
CHAPTER 5 EXPERIMENTAL PROCESS AND RESULT ANALYSIS第71-78页
    5.1 TEST EQUIPMENTS第71-73页
    5.2 EXPERIMENTAL PROCEDURE第73-78页
        5.2.1 Experimental Results Analysis第74-78页
CHAPTER 6 CONCLUSIONS AND RECOMMENDATIONS第78-81页
REFERENCES第81-85页
ACKNOWLEDGEMENT第85页

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