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Wednesday, February 6, 2019

Modelling Diesel Combustion




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Description
Diesel is the most efficient combustion engine today and it plays an important role in transport of goods and passengers on land and on high seas. The emissions must be controlled as stipulated by the society without sacrificing the legendary fuel economy of the diesel engines. These important drivers caused innovations in diesel engineering like re-entrant combustion chambers in the piston, lower swirl support and high pressure injection, in turn reducing the ignition delay and hence the nitric oxides. The limits on emissions are being continually reduced. Therefore, the required accuracy of the models to predict the emissions and efficiency of the engines is high. The phenomenological combustion models based on physical and chemical description of the processes in the engine are practical to describe diesel engine combustion and to carry out parametric studies. This is because the injection process, which can be relatively well predicted, has the dominant effect on mixture formation and subsequent course of combustion. The need for improving these models by incorporating new developments in engine designs is explained in Chapter 2. With “model based control programs” used in the Electronic Control Units of the engines, phenomenological models are assuming more importance now because the detailed CFD based models are too slow to be handled by the Electronic Control Units.

Content:-
Acknowledgments
Preface
1. Introduction
2. Phenomenology of Diesel Combustion and Modelling
3. Experiments
4. Turbulent Structure of the Diesel Spray
5. Ignition Delay in a Diesel Engine
6. Heat Transfer
7. Heat Release in Indirect Injection Engines
8. Mixing Correlations for Smoke and Fuel Consumption of Direct Injection Engines
9. Heat Release in Direct Injection Engines
10. Hydrocarbons from DI Diesel Engines
11. Hydrocarbon Emissions from Spark Ignition Engines
12. Smoke from DI Diesel Engines
13. Oxides of Nitrogen from Direct Injection Diesel Engines
14. Particulate Matter from Direct Injection Diesel Engines
15. Multi-dimensional Modelling of Diesel Combustion: Review
16. Multi-dimensional Modelling of Diesel Combustion: Applications
Appendices
Index 

Author Details
"P.A. Lakshminarayanan"

"Yogesh V. Aghav"




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