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Effects Of Intake Flow On Mixing And Combustion In Direct Injection Diesel Engines Using Multidimensional Modeling
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Book Synopsis Effects of Intake Flow on Mixing and Combustion in Direct Injection Diesel Engines Using Multidimensional Modeling by : Philip William Stephenson
Download or read book Effects of Intake Flow on Mixing and Combustion in Direct Injection Diesel Engines Using Multidimensional Modeling written by Philip William Stephenson and published by . This book was released on 1995 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multi-dimensional Modeling of Mixing and Combustion of Direct Injection Spark Ignition Engines by : Li Fan
Download or read book Multi-dimensional Modeling of Mixing and Combustion of Direct Injection Spark Ignition Engines written by Li Fan and published by . This book was released on 2000 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :P. A. Lakshminarayanan Publisher :Springer Science & Business Media ISBN 13 :904813885X Total Pages :313 pages Book Rating :4.0/5 (481 download)
Book Synopsis Modelling Diesel Combustion by : P. A. Lakshminarayanan
Download or read book Modelling Diesel Combustion written by P. A. Lakshminarayanan and published by Springer Science & Business Media. This book was released on 2010-03-03 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Intake Flow Effects on Combustion and Emissions in a Diesel Engine by : Tina R. Fuchs
Download or read book Intake Flow Effects on Combustion and Emissions in a Diesel Engine written by Tina R. Fuchs and published by . This book was released on 1997 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Liquid Sprays and Flow Studies in the Direct-Injection Diesel Engine Under Motored Conditions by : National Aeronautics and Space Adm Nasa
Download or read book Liquid Sprays and Flow Studies in the Direct-Injection Diesel Engine Under Motored Conditions written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2018-11-10 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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...
Book Synopsis Engine Modeling and Simulation by : Avinash Kumar Agarwal
Download or read book Engine Modeling and Simulation written by Avinash Kumar Agarwal and published by Springer Nature. This book was released on 2021-12-16 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the simulation and modeling of internal combustion engines. The contents include various aspects of diesel and gasoline engine modeling and simulation such as spray, combustion, ignition, in-cylinder phenomena, emissions, exhaust heat recovery. It also explored engine models and analysis of cylinder bore piston stresses and temperature effects. This book includes recent literature and focuses on current modeling and simulation trends for internal combustion engines. Readers will gain knowledge about engine process simulation and modeling, helpful for the development of efficient and emission-free engines. A few chapters highlight the review of state-of-the-art models for spray, combustion, and emissions, focusing on the theory, models, and their applications from an engine point of view. This volume would be of interest to professionals, post-graduate students involved in alternative fuels, IC engines, engine modeling and simulation, and environmental research.
Book Synopsis Intake Flow Modeling in KIVA-3 and Comparison with Experiments by : Roy Glenn Emerson
Download or read book Intake Flow Modeling in KIVA-3 and Comparison with Experiments written by Roy Glenn Emerson and published by . This book was released on 1996 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling the Effects of Engine Speed and Fuel Injection Strategies on Power Density and Emission Levels by : Michael F. Stoia
Download or read book Modeling the Effects of Engine Speed and Fuel Injection Strategies on Power Density and Emission Levels written by Michael F. Stoia and published by . This book was released on 1998 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flow and Combustion in Reciprocating Engines by : C. Arcoumanis
Download or read book Flow and Combustion in Reciprocating Engines written by C. Arcoumanis and published by Springer Science & Business Media. This book was released on 2009-06-29 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Technical Literature Abstracts by : Society of Automotive Engineers
Download or read book Technical Literature Abstracts written by Society of Automotive Engineers and published by . This book was released on 2000 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Influence of Swirl on Flow, Fuel Injection, and Emissions in an HSDI Diesel by : Bret H. Rempelewert
Download or read book The Influence of Swirl on Flow, Fuel Injection, and Emissions in an HSDI Diesel written by Bret H. Rempelewert and published by . This book was released on 2004 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Engine Spray and Combustion Processes by : Gunnar Stiesch
Download or read book Modeling Engine Spray and Combustion Processes written by Gunnar Stiesch and published by Springer Science & Business Media. This book was released on 2003-04-10 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: The utilization of mathematical models to numerically describe the performance of internal combustion engines is of great significance in the development of new and improved engines. Today, such simulation models can already be viewed as standard tools, and their importance is likely to increase further as available com puter power is expected to increase and the predictive quality of the models is constantly enhanced. This book describes and discusses the most widely used mathematical models for in-cylinder spray and combustion processes, which are the most important subprocesses affecting engine fuel consumption and pollutant emissions. The relevant thermodynamic, fluid dynamic and chemical principles are summarized, and then the application of these principles to the in-cylinder processes is ex plained. Different modeling approaches for the each subprocesses are compared and discussed with respect to the governing model assumptions and simplifica tions. Conclusions are drawn as to which model approach is appropriate for a specific type of problem in the development process of an engine. Hence, this book may serve both as a graduate level textbook for combustion engineering stu dents and as a reference for professionals employed in the field of combustion en gine modeling. The research necessary for this book was carried out during my employment as a postdoctoral scientist at the Institute of Technical Combustion (ITV) at the Uni versity of Hannover, Germany and at the Engine Research Center (ERC) at the University of Wisconsin-Madison, USA.
Book Synopsis A Computational Study of the Impact of Mixing on Homogeneous Charge Compression Ignition by : Rahul Jhavar
Download or read book A Computational Study of the Impact of Mixing on Homogeneous Charge Compression Ignition written by Rahul Jhavar and published by . This book was released on 2003 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722842208 Total Pages :66 pages Book Rating :4.8/5 (422 download)
Book Synopsis Three-Dimensional Modeling of Diesel Engine Intake Flow, Combustion and Emissions-2 by : National Aeronautics and Space Administration (NASA)
Download or read book Three-Dimensional Modeling of Diesel Engine Intake Flow, Combustion and Emissions-2 written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-17 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: A three-dimensional computer code, KIVA, is being modified to include state-of-the-art submodels for diesel engine flow and combustion. Improved and/or new submodels which have already been implemented and previously reported are: wall heat transfer with unsteadiness and compressibility, laminar-turbulent characteristic time combustion with unburned HC and Zeldo'vich NO(x), and spray/wall impingement with rebounding and sliding drops. Progress on the implementation of improved spray drop drag and drop breakup models, the formulation and testing of a multistep kinetics ignition model, and preliminary soot modeling results are described. In addition, the use of a block structured version of KIVA to model the intake flow process is described. A grid generation scheme was developed for modeling realistic (complex) engine geometries, and computations were made of intake flow in the ports and combustion chamber of a two-intake-value engine. The research also involves the use of the code to assess the effects of subprocesses on diesel engine performance. The accuracy of the predictions is being tested by comparisons with engine experiments. To date, comparisons were made with measured engine cylinder pressure, temperature and heat flux data, and the model results are in good agreement with the experiments. Work is in progress that will allow validation of in-cylinder flow and soot formation predictions. An engine test facility is described that is being used to provide the needed validation data. Test results were obtained showing the effect of injection rate and split injections on engine performance and emissions. Reitz, R. D. and Rutland, C. J. Unspecified Center...
Author :American Society of Mechanical Engineers. Internal Combustion Engine Division. Spring Technical Conference Publisher : ISBN 13 : Total Pages :746 pages Book Rating :4.3/5 (91 download)
Book Synopsis Proceedings of the ... Spring Technical Conference of the ASME Internal Combustion Engine Division by : American Society of Mechanical Engineers. Internal Combustion Engine Division. Spring Technical Conference
Download or read book Proceedings of the ... Spring Technical Conference of the ASME Internal Combustion Engine Division written by American Society of Mechanical Engineers. Internal Combustion Engine Division. Spring Technical Conference and published by . This book was released on 2003 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Automotive Spark-Ignited Direct-Injection Gasoline Engines by : F. Zhao
Download or read book Automotive Spark-Ignited Direct-Injection Gasoline Engines written by F. Zhao and published by Elsevier. This book was released on 2000-02-08 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: The process of fuel injection, spray atomization and vaporization, charge cooling, mixture preparation and the control of in-cylinder air motion are all being actively researched and this work is reviewed in detail and analyzed. The new technologies such as high-pressure, common-rail, gasoline injection systems and swirl-atomizing gasoline fuel injections are discussed in detail, as these technologies, along with computer control capabilities, have enabled the current new examination of an old objective; the direct-injection, stratified-charge (DISC), gasoline engine. The prior work on DISC engines that is relevant to current GDI engine development is also reviewed and discussed. The fuel economy and emission data for actual engine configurations have been obtained and assembled for all of the available GDI literature, and are reviewed and discussed in detail. The types of GDI engines are arranged in four classifications of decreasing complexity, and the advantages and disadvantages of each class are noted and explained. Emphasis is placed upon consensus trends and conclusions that are evident when taken as a whole; thus the GDI researcher is informed regarding the degree to which engine volumetric efficiency and compression ratio can be increased under optimized conditions, and as to the extent to which unburned hydrocarbon (UBHC), NOx and particulate emissions can be minimized for specific combustion strategies. The critical area of GDI fuel injector deposits and the associated effect on spray geometry and engine performance degradation are reviewed, and important system guidelines for minimizing deposition rates and deposit effects are presented. The capabilities and limitations of emission control techniques and after treatment hardware are reviewed in depth, and a compilation and discussion of areas of consensus on attaining European, Japanese and North American emission standards presented. All known research, prototype and production GDI engines worldwide are reviewed as to performance, emissions and fuel economy advantages, and for areas requiring further development. The engine schematics, control diagrams and specifications are compiled, and the emission control strategies are illustrated and discussed. The influence of lean-NOx catalysts on the development of late-injection, stratified-charge GDI engines is reviewed, and the relative merits of lean-burn, homogeneous, direct-injection engines as an option requiring less control complexity are analyzed.
Book Synopsis Annual Index/abstracts of SAE Technical Papers by :
Download or read book Annual Index/abstracts of SAE Technical Papers written by and published by . This book was released on 2007 with total page 1218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
