Fuel Injection Characteristics And Combustion Behavior Of A Direct Injection Stratified Charge Engine
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Fuel Injection Characteristics And Combustion Behavior Of A Direct Injection Stratified Charge Engine
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Author : Eric Norbert Balles
language : en
Publisher:
Release Date : 1983
Fuel Injection Characteristics And Combustion Behavior Of A Direct Injection Stratified Charge Engine written by Eric Norbert Balles and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Automobiles categories.
Fundamentals Of Fuel Injection And Emission In Two Stroke Engines
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Author : Władysław Mitianiec
language : en
Publisher:
Release Date : 2017
Fundamentals Of Fuel Injection And Emission In Two Stroke Engines written by Władysław Mitianiec and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Two-stroke cycle engines categories.
Fundamentals Of Fuel Injection And Emission In Two Stroke Engines
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Author : Wadysaw Mitianiec
language : en
Publisher: Nova Science Publishers
Release Date : 2018
Fundamentals Of Fuel Injection And Emission In Two Stroke Engines written by Wadysaw Mitianiec and has been published by Nova Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Two-stroke cycle engines categories.
The main goal of the book is the presentation of the last theoretical and experimental works concerning fuel injection systems, mainly in small power two-stroke engines as well as in marine engines. This book includes thirteen chapters devoted to the processes of fuel injection and the combustion that takes place in a stratified charge within the cylinders of two-stroke engines. In the first two chapters, the division into different injection systems in two-stroke engines and each injection system is briefly described. Various theoretical and practical solutions of fueling system designs are described. In Chapter Three, mathematical models, the spatial movement of gas in the cylinder and the combustion chamber are introduced, taking into account the turbulence of the charge. Chapter Four relates to the behavior of fuel injected into the gaseous medium, including evaporation processes, disintegration and processes occurring while the fuel drops connect with the wall. The next section describes the zero-dimensional model of fuel injection in two-stroke engines along with examples of numerical calculations. The sixth chapter is devoted to CFD multi-dimensional models of movement and evaporation of the fuel in a closed gaseous medium, occurring also in other engine types. Chapter Seven describes a two-zone model of the combustion process and the effect of the geometry of the combustion chamber on the flame propagation with a simplified verification model of combustion. Chapter Eight compares the propagation phase of gas and liquid fuels concerning direct fuel injection as well as the direct fuel injection from the cylinder head and the thermodynamic parameters of the charge. The formation of the components during the combustion process in the direct fuel injection two-stroke engine was obtained by numerical calculations and results are discussed in Chapter Nine. Chapter Ten describes the parameters of the two-stroke engine with a direct fuel injection carried out at the Cracow University of Technology. Additionally, the chapter presents CFD simulations of fuel propagation and combustion processes, taking into account the formation of toxic components and exhaust gas emission. The processes of two direct rich mixture injection systems FAST and RMIS developed in CUT are presented in Chapter Eleven. Miscellaneous problems of direct fuel injection, such as characteristics of fuel injectors, problems of direct gaseous fuel injection, and the application of fuelling systems in outboard engines and snowmobile vehicles are presented in Chapter Twelve. A comparison of working parameters in two- and four stroke engines is also mapped out. The last chapters contain the final conclusions and remarks concerning fuel injection and emission of exhaust gases in small two-stroke engines. This book is a comprehensive monograph on fuel injection. The author presents a series of theoretical and design information from his own experience and on the basis of the works of other authors. The main text intends to direct fuel injection with respect to gas motion in the combustion chamber and influence the injection parameters for exhaust emission. The book presents its own theoretical work and experimental tests concerning a two-stroke gasoline engine with electrically controlled direct fuel injection. The book describes the processes of a general nature also occurring in other types of engines and presents a comparison of different injection systems on working parameters and gas emission. The book contains 294 images, 290 equations and 16 tables obtained from the CFD simulation and experimental works.
Impact Of Fuel Composition And Charge Stratification On Hcci Combustion Characteristics
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Author : Philipp Werner
language : en
Publisher:
Release Date : 2003
Impact Of Fuel Composition And Charge Stratification On Hcci Combustion Characteristics written by Philipp Werner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Direct Injection Stratified Charge Engine By Impingement Of Fuel Jet Oska
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Author : Satoshi Katō
language : en
Publisher:
Release Date : 1990
Direct Injection Stratified Charge Engine By Impingement Of Fuel Jet Oska written by Satoshi Katō and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Automobiles categories.
Advanced Direct Injection Combustion Engine Technologies And Development
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Author : H Zhao
language : en
Publisher: Elsevier
Release Date : 2014-01-23
Advanced Direct Injection Combustion Engine Technologies And Development written by H Zhao and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-23 with Technology & Engineering categories.
Direct injection enables precise control of the fuel/air mixture so that engines can be tuned for improved power and fuel economy, but ongoing research challenges remain in improving the technology for commercial applications. As fuel prices escalate DI engines are expected to gain in popularity for automotive applications. This important book, in two volumes, reviews the science and technology of different types of DI combustion engines and their fuels. Volume 1 deals with direct injection gasoline and CNG engines, including history and essential principles, approaches to improved fuel economy, design, optimisation, optical techniques and their applications. Reviews key technologies for enhancing direct injection (DI) gasoline engines Examines approaches to improved fuel economy and lower emissions Discusses DI compressed natural gas (CNG) engines and biofuels
Automotive Spark Ignited Direct Injection Gasoline Engines
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Author : F. Zhao
language : en
Publisher: Elsevier
Release Date : 2000-02-08
Automotive Spark Ignited Direct Injection Gasoline Engines written by F. Zhao and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-02-08 with Technology & Engineering categories.
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.
Stratified Charge Engines
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Author : F. V. Bracco
language : en
Publisher:
Release Date : 1978
Stratified Charge Engines written by F. V. Bracco and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Technology & Engineering categories.
Fuel Injection In Automotive Engineering
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Author : Kazimierz Lejda
language : en
Publisher: BoD – Books on Demand
Release Date : 2012-04-20
Fuel Injection In Automotive Engineering written by Kazimierz Lejda and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-04-20 with Technology & Engineering categories.
The main topic of "Fuel injection in automotive engineering" book is fundamental process that determines the development of internal combustion engines and performances of automotive vehicles. The book collects original works focused on up-to-date issues relevant to improving injection phenomena per se and injection systems as the engine key components.
Characterization Of The Post Injection Behavior Of Gasoline Direct Injection Fuel Injectors
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Author :
language : en
Publisher:
Release Date : 2019
Characterization Of The Post Injection Behavior Of Gasoline Direct Injection Fuel Injectors written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
Abstract : The characteristics of gasoline sprayed directly into combustion chambers are of critical importance to engine out emissions and combustion system development. The optimization of the spray characteristics to match the in-cylinder flow field, chamber geometry, and spark location are vital tasks during the development of an engine combustion strategy. Furthermore, the presence of liquid fuel during combustion in Spark-Ignition (SI) engines causes increased hydrocarbon (HC) emissions [1]. Euro 6, LEVIII, and US Tier 3 emissions regulations reduce the allowable particulate mass significantly from the previous standards. LEVIII standards reduce the acceptable particulate emission to 1 mg/mile [2]. A good Direct Injection Spark Ignited (DISI) strategy vaporizes the correct amount of fuel at the proper point in the engine cycle with the proper in-cylinder air flow for optimal power output with minimal emissions. The opening and closing phases of DISI injectors is crucial to this task as the spray produces larger droplets during both theses phases. This work focuses on the results from a novel method to investigate fuel behavior upon closing of the fuel injector. A Design of Experiments (DOE) was used to determine the effect of pressure, temperature, and pulse-width of the fuel spray after the closing event. Experiments determined that the primary source of controlling the droplet size and the mass post injector closing for a given injector was the temperature. It was found that the end of injection behavior is a highly dynamic, complex event including, but not limited to, effects from the injector design, deposit concentration, and fuel type.