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Modelling Diesel Combustion: Mechanical Engineering Series

Autor P. A. Lakshminarayanan Contribuţii de Yu Shi Autor Yoghesh V. Aghav Contribuţii de Rolf D. Reitz
en Limba Engleză Paperback – 5 mai 2012
Phenomenology of Diesel Combustion and Modeling 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. The- fore, 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. Experimental work is necessary to develop the basic understanding of the pr- esses.
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Specificații

ISBN-13: 9789400731868
ISBN-10: 9400731868
Pagini: 320
Ilustrații: XIII, 305 p.
Dimensiuni: 155 x 235 x 17 mm
Greutate: 0.45 kg
Ediția:2010
Editura: SPRINGER NETHERLANDS
Colecția Springer
Seria Mechanical Engineering Series

Locul publicării:Dordrecht, Netherlands

Public țintă

Research

Cuprins

Phenomenology of Diesel Combustion and Modelling.- Experiments.- Turbulent Structure of the Diesel Spray.- Ignition Delay in a Diesel Engine.- Heat Transfer.- Heat Release in Indirect Injection Engines.- Mixing Correlations for Smoke and Fuel Consumption of Direct Injection Engines.- Heat Release in Direct Injection Engines.- Hydrocarbons from DI Diesel Engines.- Hydrocarbon Emissions from Spark Ignition Engines.- Smoke from DI Diesel Engines.- Oxides of Nitrogen from Direct Injection Diesel Engines.- Particulate Matter from Direct Injection Diesel Engines.- Multi-dimensional Modelling of Diesel Combustion: Review.- Multi-dimensional Modelling of Diesel Combustion: Applications.

Textul de pe ultima copertă

The diesel engine is the most efficient combustion engine today and it plays an important role in transport of goods and passengers by land and sea. However, the emissions must be controlled without sacrificing the legendary fuel economy of the diesel engines. These important drivers have 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.
This book is a detailed discussion of diesel combustion phenomena like ignition delay, fuel air mixing, rate of heat release, and emissions of smoke, particulate and nitric oxide. It enables quantitative evaluation of these important phenomena and parameters. Most importantly, it attempts to model them with constants that are independent of engine types.
This work recognises the importance of the spray at the wall in precisely describing the heat release and emissions for most of the engines on and off road. It gives models for heat release and emissions. Every model is thoroughly validated by detailed experiments using a broad range of engines. Throughout the book, the models use constants that are independent of engine type or design and hence they could be applied by the designer and researcher for a general engine. All the models not only describe the trends of important parameters but also quantitatively close to the experimentally observed results.
The enhanced understanding of the phenomena like turbulent flows, high-pressure sprays naturally converges to quantitative prediction using multi-dimensional CFD tools to reveal finer details of in-cylinder processes of diesel combustion. The CFD tools are introduced with case studies in two chapters of the book to help study innovative combustion concepts and improve engine designs in terms of emissions reduction and fuel economy.

Caracteristici

This work recognizes the importance of the spray at the wall in precisely describing the heat release and emissions for most of the engines on and off road The work considers findings of the peers and adds the fruits of the authors’ research to arrive at the improved description of important phenomena. Later, it models the heat release and emissions Every model is thoroughly validated by detailed experiments Throughout the book, the models use constants that are independent of engine type or design and hence they could be applied by the designer and researcher for a general engine All the models not only describe the trends of important parameters but also quantitatively close to the experimentally observed results These facts distinguish the book from others and make it unique Includes supplementary material: sn.pub/extras