Chinese language abstract | 第1-7页 |
Dedication | 第7-8页 |
Acknowledgment | 第8-10页 |
Abstract | 第10-12页 |
Content | 第12-16页 |
List of symbols and abbreviations | 第16-20页 |
List of figures | 第20-26页 |
List of tables | 第26页 |
1 Introduction | 第26-31页 |
·Conventional SI and diesel engines combustion | 第26-27页 |
·The nature of HCCI combustion | 第27-30页 |
·Objective and document organization | 第30-31页 |
2 Literature review | 第31-71页 |
·Introduction | 第31页 |
·Classification of HCCI engines | 第31-33页 |
·Chemistry of HCCI engines | 第33-38页 |
·Olefin low temperature oxidations | 第34-36页 |
·Negative temperature coefficient (NTC) region | 第36-37页 |
·High temperature oxidation of Olefin | 第37-38页 |
·Emissions and efficiency of HCCI engines | 第38-40页 |
·Engines parameters and control of HCCI combustion | 第40-49页 |
·Compression ratio | 第40-41页 |
·Variable valve timing | 第41-42页 |
·Exhaust gas recirculation (EGR) | 第42-44页 |
·Inlet air temperature | 第44-45页 |
·Air excess ratio | 第45页 |
·Engine speed | 第45-46页 |
·Fuel composition | 第46-48页 |
·Homogeneity | 第48-49页 |
·HCCI engines transient behaviors and control strategies | 第49页 |
·HCCI engine challenges | 第49-56页 |
·HCCI engines of natural gas/air mixture with fuel additives | 第56-70页 |
·HCCI combustion of pure CNG/air mixture studies | 第58-61页 |
·HCCI combustion of CNG/air mixture with H_2 additive | 第61-67页 |
·HCCI engine of CNG/air mixture with DME fuel additive | 第67-70页 |
·Scope of the present work | 第70-71页 |
3 Experimental facilities and the issues of safety | 第71-96页 |
·Introduction | 第71页 |
·Single-cylinder HCCI engine | 第71-74页 |
·Eddy current dynamometer | 第74-80页 |
·Automotive emission analyzers | 第80-81页 |
·Safety issues related to the use of DME,CNG,and hydrogen fuel | 第81-90页 |
·HCCI engine combustion and emissions experiments | 第90-96页 |
4 Simulation models and theory | 第96-121页 |
·Introduction | 第96-98页 |
·HCCI models in the literature | 第98-101页 |
·Single-none (Zero-Dimensional) model | 第98-99页 |
·Multi-zones model | 第99-101页 |
·Basic theories of single-zone combustion modeling | 第101-113页 |
·Gas equation of state and conversion formulas | 第102-104页 |
·Standard-state of thermodynamic properties | 第104-106页 |
·Gas-phase chemical rate expressions | 第106-110页 |
·Homogeneous Zero-Dimensional IC engine model | 第110-113页 |
·Single-Zone modeling input | 第113-114页 |
·Basic theories of 3D-CFD combustion modeling | 第114-120页 |
·The governing equations | 第115-117页 |
·Turbulence models | 第117-118页 |
·Other models | 第118页 |
·Boundary conditions | 第118-119页 |
·KIVA-3V numerical scheme | 第119-120页 |
·3D-CFD KIVA-3V modeling input | 第120-121页 |
5 Homogeneous charge compression ignition engine of CNGair mixture with hydrogen addition results and discussion | 第121-159页 |
·Introduction | 第121-122页 |
·Modeling study of natural gas (HCCI) engine combustion enhancement by using hydrogen addition | 第122-142页 |
·Autoignition and combustion of natural gas mixture | 第123-128页 |
·Chemical kinetics of natural gas mixture | 第128-130页 |
·Effect of hydrogen addition on the ignition timing and combustion phasing | 第130-136页 |
·Performance analysis of CNG HCCI engine and the effect of hydrogen addition | 第136-142页 |
·Detailed 3D-CFD/chemistry of CNG-hydrogen in HCCI engine | 第142-154页 |
·CNG/hydrogen blend port injection | 第143-147页 |
·CNG-hydrogen mixture of HCCI engine autoignition and combustion behaviors | 第147-154页 |
·Validation of simulation results with engine experimental study | 第154-159页 |
6 Homogeneous charge compression ignition engine of CNG/DME mixture with hydrogen addition results and discussion | 第159-205页 |
·Introduction | 第159-160页 |
·DME/air mixture homogenization and combustion behaviors in HCCI engines | 第160-190页 |
·Result and discussion of zero-dimension model | 第162-177页 |
·Pressure profile and ignition mode | 第162-170页 |
·DME in HCCI engine combustion oxidation Mechanism | 第170-177页 |
·Result and discussion of multi-dimension model | 第177-190页 |
·Port fuel injection simulation | 第178-181页 |
·Direct fuel injection simulation | 第181-186页 |
6-2-2-3 Homogeneity and combustion phase | 第186-190页 |
·HCCI engines combustion of CNG fuel with DME and H_2 additives | 第190-205页 |
·Determination of engine operating conditions | 第190-198页 |
·Experimental and simulation analysis of HCCI engine Combustion and emissions characteristics | 第198-205页 |
7 Conclusions and recommendations | 第205-215页 |
·Summary and conclusions | 第205-214页 |
·Recommendation for future work | 第214-215页 |
References | 第215-225页 |
The original contributions of publications made through the work in this dissertation | 第225-226页 |
Appendix | 第226-227页 |