Thermo-and Fluid-dynamic Processes in Diesel Engines

This volume includes versions of papers selected from those presented at the THIESEL 2000 Conference on Thermofluidynamic Processes in Diesel Engines, held at the Universidad Politecnica de Valencia, during the period of September th th 13 to 15 , 2000. The papers are grouped into seven thematic areas: State of the Art and Prospective, Fuels for Diesel Engines, Injection System and Spray Formation, Combustion and Pollutant Formation, Modelling, Experimental Techniques, and Air Management. These areas cover most of the technologies and research strategies that may allow Light Duty and Heavy Duty Diesel engines to comply with current and forthcoming emission standards, while maintaining or improving fuel consumption. The main objectives of the conference were to bring together ideas and experience from Industry and Universities to facilitate interchange of information and to promote discussion of future research and development needs. The technical papers emphasised the use diagnostic and simulation techniques and their relationship to engineering practice and the advancement of the Diesel engine. We hope that this approach, which proved to be successful at the Conference, is reflected in this volume. We thank all those who contributed to the success of the Conference, and particularly the members of the Advisory Committee who assessed abstracts and chaired many of the technical sessions. Weare also grateful to participants who presented their work or contributed to the many discussions. Finally, the Conference benefitted from financial support from the organisations listed below and we are glad to have this opportunity to record our gratitude.

Contenu
1 State of the Art and Prospective.- The High Speed Direct Injection Diesel Engine-Future Potential.- European Emission Legislation of Heavy Duty Diesel Engines and Strategies for Compliance.- Combustion Process Optimization for Euro 3.- 2 Fuels in Diesel Engines.- Fuels for Compression Ignition Engines.- Effect of the Properties of Several Fuels on the Injection and CombustionProcess in HSDI Diesel Engines.- Combustion of an Ethanol/Diesel Fuel Blend in an HSDI Diesel Engine.- 3 Injection Systems and Spray Formation.- Diesel Nozzle-The Determining Interface Between Injection System and Combustion Chamber.- Is Cavitation Important in Diesel Engine Injectors?.- Gas Entrainment in Diesel Sprays.- The Tip Evolution of an Evaporative Intermittent Fuel Spray.- 4 Air Management.- Variable Geometry Turbine Modelling and Control for Turbocharged Diesel Engine Transient Operation.- Mixed-Flow Turbine: Steady and Unsteady Performance with Detailed Flow Measurements.- 5 Combustion and Pollutant Formation.- Analysis Methods for the Effects of Injection Rate Control in Direct Injection Diesel Engines.- Effects of Injector Conditions on the Flame Lift-Off Length of DI Diesel Sprays.- Analysis of the Effect of Combustion Bowl Geometry of a DI Diesel Engine on Efficiency and Emissions.- Chemical and Morphological Analysis of Particulate Matter from Differently Fuelled Passenger Car Diesel Engine.- 6 Modelling.- Development of an Integrated Spray and Combustion Model for Diesel Simulations.- Turbulence Generation Mechanisms in IC Engine Flows: A Numerical Study.- Use of ILDM Reduced Chemistry in Direct Injection Diesel Engines.- A Zero Dimensional Simulation Model for HSDI Diesel Engines for Predicting NOx, Spray and Swirl Formation.- 7 Experimental Techniques.- Laser Diagnostics of Diesel Engines.- Swirling Flow Motion Analysis Integration Numbers and Scales.- Experiments on Applicability of Different Laser Diagnostics to Droplet Sizing in Diesel Sprays.