The Effects of Turbulence and Combustion in Direct-injection Diesel Engines PDF Download
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Author: William J. Smith
Publisher:
ISBN:
Category :
Languages : en
Pages : 232
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Book Description
Author: William J. Smith
Publisher:
ISBN:
Category :
Languages : en
Pages : 232
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Book Description
Author: Barry J. Brophy
Publisher:
ISBN:
Category : Diesel motor
Languages : en
Pages : 112
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Author: National Aeronautics and Space Adm Nasa
Publisher:
ISBN: 9781731087157
Category :
Languages : en
Pages : 82
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Book Description
A two dimensional, implicit finite difference method of the control volume variety, a two equation model of turbulence, and a discrete droplet model were used to study the flow field, turbulence levels, fuel penetration, vaporization, and mixing in diesel engine environments. The model was also used to study the effects of engine speed, injection angle, spray cone angle, droplet distribution, and intake swirl angle on the flow field, spray penetration and vaporization, and turbulence in motored two-stroke diesel engines. It is shown that there are optimum conditions for injection, which depend on droplet distribution, swirl, spray cone angle, and injection angle. The optimum conditions result in good spray penetration and vaporization and in good fuel mixing. The calculation presented clearly indicates that internal combustion engine models can be used to assess, at least qualitatively, the effects of injection characteristics and engine operating conditions on the flow field and on the spray penetration and vaporization in diesel engines. Nguyen, Hung Lee and Carpenter, Mark H. and Ramos, Juan I. and Schock, Harold J. and Stegeman, James D. Glenn Research Center; Langley Research Center...
Author: Philip William Stephenson
Publisher:
ISBN:
Category :
Languages : en
Pages : 448
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Book Description
Author: P. A. Lakshminarayanan
Publisher: Springer Nature
ISBN: 981166742X
Category : Technology & Engineering
Languages : en
Pages : 419
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Book Description
This book comprehensively discusses 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 and hence they could be applied by the engineers and researchers for a general engine. This book emphasizes 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. The book describes an elegant quasi-one-dimensional model for heat release in diesel engines with single as well as multiple injections. The book describes how the two aspects, namely, fuel injection rate and the diameter of the combustion bowl in the piston, have enabled meeting advanced emission, noise, and performance standards. The book also discusses the topics of computational fluid dynamics encompassing RANS and LES models of turbulence. Given the contents, this book will be useful for students, researchers and professionals working in the area of vehicle engineering and engine technology. This book will also be a good professional book for practising engineers in the field of combustion engines and automotive engineering.
Author: Hironobu Ueki
Publisher:
ISBN:
Category : Diesel motor
Languages : en
Pages : 12
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Book Description
Author: C. Arcoumanis
Publisher: Springer Science & Business Media
ISBN: 354068901X
Category : Science
Languages : en
Pages : 427
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Book Description
Optimization of combustion processes in automotive engines is a key factor in reducing fuel consumption. This book, written by eminent university and industry researchers, investigates and describes flow and combustion processes in diesel and gasoline engines.
Author: Li Yueshang
Publisher:
ISBN:
Category : Automobiles
Languages : en
Pages : 8
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Author: Mark Andrew Patterson
Publisher:
ISBN:
Category :
Languages : en
Pages : 474
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Book Description
Author: T. L. McKinley
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
