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Automotive Spark Ignited Direct Injection Gasoline Engines

Automotive Spark Ignited Direct Injection Gasoline Engines Author F. Zhao
ISBN-10 008055279X
Release 2000-02-08
Pages 128
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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.



Gasoline Direct Injection Engine and Spark Ignition Performance

Gasoline Direct Injection Engine and Spark Ignition Performance Author Society of Automotive Engineers
ISBN-10 0768013259
Release 2003-10-01
Pages 223
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Gasoline Direct Injection Engine and Spark Ignition Performance has been writing in one form or another for most of life. You can find so many inspiration from Gasoline Direct Injection Engine and Spark Ignition Performance also informative, and entertaining. Click DOWNLOAD or Read Online button to get full Gasoline Direct Injection Engine and Spark Ignition Performance book for free.



Computational Investigation of Optimal Heavy Fuel Direct Injection Sark Ignition in Rotary Engine

Computational Investigation of Optimal Heavy Fuel Direct Injection Sark Ignition in Rotary Engine Author Asela A. Benthara Wadumesthrige
ISBN-10 OCLC:1021186673
Release 2011
Pages 94
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The main objective of this computational study is to investigate the optimum injection and spark parameters for the direct injection spark ignition (DISI) Wankel rotary engine using diesel fuel. Currently only port fuel injected gasoline rotary engines are available in the automotive industry. Compared to reciprocating type engines rotary engine is mechanically simple, less vibrate, have higher power to weight ratio and achieve better performance at high rpm. Due to the inherent low fuel efficiency of rotary engine and increasing gas prices, application of the rotary engine in conventional automobiles is decreasing. This project seeks to introduce DISI technology to the rotary engine thus increase the fuel efficiency allowing it to be another efficient power source option for aero and automotive applications. DISI technology is the latest trend in the automobile manufacturing. This technology helped to combine benefits of both compression ignition (CI) and spark ignition (SI) engines into a single efficient internal combustion process. Multi-fuel capabilities, reduced operating pressures, and reduced compression ratios make this technology applicable for rotary engines. In this study diesel fuel, as opposed to gasoline, is introduced into the rotary engine using DISI technology. Due to high technological advancements used in DISI engines, it is expensive to experimentally incorporate this technology to a new engine. Accurately designed computational analyses can reduce both time and cost by cutting extra experimental test trials. For this computational fluid dynamics (CFD) study ANSYS FLUENT commercial software was used to integrate the DISI technology into a rotary engine model which was designed in Solidworks and meshed in GAMBIT. When creating the engine model, many parameters have to be considered. Engine geometry, injectors, and spark plugs were identified as the most important components needed to be investigated when integrating DISI technology into the rotary engine. By using a readily available rotary engine, direct injector, and spark plug, the number of parameters for the optimization process were reduced. The most important parameters were picked to evaluate the optimum single injection and spark locations. Full factorial experimental design was used to estimate the sensitivity of different combinations of parameters. This was followed by a statistical sensitivity study using JMP 800 commercial software to determine the most and least sensitive parameters to analyze for the optimum setup of single injection rotary engine combustion. Contour plots of fuel consumption, CO2 generated, equivalence ratio, average temperatures, and pressures were used to support the results. The feasibility of multiple injections was also studied by means of their power outputs and fuel efficiencies. Optimum locations, amounts of fuel, number of orifices and orientations of orifices were included when evaluating optimum lead (second) injector. Similar studies were carried out to check the applicability of a third injector. From the results it can be observed that a dual injection setup provided optimum performance from the DISI rotary engine.



I C Engines And Combustion

I C  Engines And Combustion Author
ISBN-10 8170237440
Release
Pages
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I C Engines And Combustion has been writing in one form or another for most of life. You can find so many inspiration from I C Engines And Combustion also informative, and entertaining. Click DOWNLOAD or Read Online button to get full I C Engines And Combustion book for free.



Handbook of Atomization and Sprays

Handbook of Atomization and Sprays Author Nasser Ashgriz
ISBN-10 1441972641
Release 2011-02-18
Pages 935
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Atomization and sprays are used in a wide range of industries: mechanical, chemical, aerospace, and civil engineering; material science and metallurgy; food; pharmaceutical, forestry, environmental protection; medicine; agriculture; meteorology and others. Some specific applications are spray combustion in furnaces, gas turbines and rockets, spray drying and cooling, air conditioning, powdered metallurgy, spray painting and coating, inhalation therapy, and many others. The Handbook of Atomization and Sprays will bring together the fundamental and applied material from all fields into one comprehensive source. Subject areas included in the reference are droplets, theoretical models and numerical simulations, phase Doppler particle analysis, applications, devices and more.



Turbulent Premixed Flames

Turbulent Premixed Flames Author Nedunchezhian Swaminathan
ISBN-10 9781139498586
Release 2011-04-25
Pages
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A work on turbulent premixed combustion is timely because of increased concern about the environmental impact of combustion and the search for new combustion concepts and technologies. An improved understanding of lean fuel turbulent premixed flames must play a central role in the fundamental science of these new concepts. Lean premixed flames have the potential to offer ultra-low emission levels, but they are notoriously susceptible to combustion oscillations. Thus, sophisticated control measures are inevitably required. The editors' intent is to set out the modeling aspects in the field of turbulent premixed combustion. Good progress has been made recently on this topic. Thus, it is timely to edit a cohesive volume containing contributions from international experts on various subtopics of the lean premixed flame problem.



Advanced Direct Injection Combustion Engine Technologies and Development

Advanced Direct Injection Combustion Engine Technologies and Development Author H Zhao
ISBN-10 9781845697327
Release 2014-01-23
Pages 312
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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



Applied Combustion Diagnostics

Applied Combustion Diagnostics Author KoHse-HoingHaus
ISBN-10 1560329130
Release 2002-04-26
Pages 672
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The editors have assembled a world-class group of contributors who address the questions the combustion diagnostic community faces. They are chemists who identify the species to be measured and the interfering substances that may be present; physicists, who push the limits of laser spectroscopy and laser devices and who conceive suitable measurement schemes; and engineers, who know combustion systems and processes. This book assists in providing guidance for the planning of combustion experiments, in judging research strategies and in conceiving new ideas for combustion research. It provides a snapshot of the available diagnostic methods and thier typical applications from the perspective of leading experts in the field.



Automotive Gasoline Direct injection Engines

Automotive Gasoline Direct injection Engines Author Fuquan Zhao
ISBN-10 0768008824
Release 2002
Pages 352
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Zhao, an engineering specialist in the private sector, covers the latest global technical initiatives in the area of gasoline direct injection (GDI) spark-ignited gasoline engines, and examines the contribution of each process and sub-system to the efficiency of the overall system. Focus is on both



Gasoline Engine with Direct Injection

Gasoline Engine with Direct Injection Author Richard Basshuysen
ISBN-10 383482688X
Release 2014-10-01
Pages 448
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Direct injection spark-ignition engines are becoming increasingly important, and their potential is still to be fully exploited. Increased power and torque coupled with further reductions in fuel consumption and emissions will be the clear trend for future developments. From today’s perspective, the key technologies driving this development will be new fuel injection and combustion processes. The book presents the latest developments, illustrates and evaluates engine concepts such as downsizing and describes the requirements that have to be met by materials and operating fluids. The outlook at the end of the book discusses whether future spark-ignition engines will achieve the same level as diesel engines.



Fuel injection in spark ignition Otto cycle engines

Fuel injection in spark ignition Otto cycle engines Author Texaco, inc
ISBN-10 WISC:89089677355
Release 1943
Pages 136
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Fuel injection in spark ignition Otto cycle engines has been writing in one form or another for most of life. You can find so many inspiration from Fuel injection in spark ignition Otto cycle engines also informative, and entertaining. Click DOWNLOAD or Read Online button to get full Fuel injection in spark ignition Otto cycle engines book for free.



Tracer Based Laser Induced Fluoresence Diagnostice and Their Application to Spark Ignition Direct Injection Engines

Tracer Based Laser Induced Fluoresence Diagnostice and Their Application to Spark Ignition Direct Injection Engines Author Rui Zhang
ISBN-10 UOM:39015069228172
Release 2006
Pages
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Tracer Based Laser Induced Fluoresence Diagnostice and Their Application to Spark Ignition Direct Injection Engines has been writing in one form or another for most of life. You can find so many inspiration from Tracer Based Laser Induced Fluoresence Diagnostice and Their Application to Spark Ignition Direct Injection Engines also informative, and entertaining. Click DOWNLOAD or Read Online button to get full Tracer Based Laser Induced Fluoresence Diagnostice and Their Application to Spark Ignition Direct Injection Engines book for free.



Gasoline Engine Management

Gasoline Engine Management Author Robert Bosch GmbH
ISBN-10 STANFORD:36105114456432
Release 2006-11-06
Pages 364
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The BOSCH handbook series on different automotive technologies has become one of the most definitive sets of reference books that automotive engineers have at their disposal. Starting with a brief review of the beginnings of automotive history, this book discusses the basics relating to the method of operation of gasoline-engine control systems. The descriptions of cylinder-charge control systems, fuel-injection systems (in-take manifold and gasoline direct injection), and ignition systems provide a comprehensive, firsthand overview of the control mechanisms indispensable for operating a modern gasoline engine. The practical implementation of engine management and control is described by the examples of various Motronic engine-management systems and of the control and regulation functions integrated in this particular management system. The 3rd edition offers new or completely revised chapters in the following areas - High pressure pumps for direct gasoline injection; Mixture formation for manifold injection; Gasoline engines fuelled by natural gas; Catalytic exhaust-gas treatment; Diagnostics. A key chapter looks at emission control legislation and provides an insight into the complexity of the statutory provisions.



Knocking in Gasoline Engines

Knocking in Gasoline Engines Author Michael Günther
ISBN-10 9783319697604
Release 2017-11-21
Pages 384
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The book includes the papers presented at the conference discussing approaches to prevent or reliably control knocking and other irregular combustion events. The majority of today’s highly efficient gasoline engines utilize downsizing. High mean pressures produce increased knocking, which frequently results in a reduction in the compression ratio at high specific powers. Beyond this, the phenomenon of pre-ignition has been linked to the rise in specific power in gasoline engines for many years. Charge-diluted concepts with high compression cause extreme knocking, potentially leading to catastrophic failure. The introduction of RDE legislation this year will further grow the requirements for combustion process development, as residual gas scavenging and enrichment to improve the knock limit will be legally restricted despite no relaxation of the need to reach the main center of heat release as early as possible. New solutions in thermodynamics and control engineering are urgently needed to further increase the efficiency of gasoline engines.



Common Rail System for GDI Engines

Common Rail System for GDI Engines Author Giovanni Fiengo
ISBN-10 9781447144687
Release 2012-11-02
Pages 81
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Progressive reductions in vehicle emission requirements have forced the automotive industry to invest in research and development of alternative control strategies. Continual control action exerted by a dedicated electronic control unit ensures that best performance in terms of pollutant emissions and power density is married with driveability and diagnostics. Gasoline direct injection (GDI) engine technology is a way to attain these goals. This brief describes the functioning of a GDI engine equipped with a common rail (CR) system, and the devices necessary to run test-bench experiments in detail. The text should prove instructive to researchers in engine control and students are recommended to this brief as their first approach to this technology. Later chapters of the brief relate an innovative strategy designed to assist with the engine management system; injection pressure regulation for fuel pressure stabilization in the CR fuel line is proposed and validated by experiment. The resulting control scheme is composed of a feedback integral action and a static model-based feed-forward action, the gains of which are scheduled as a function of fundamental plant parameters. The tuning of closed-loop performance is supported by an analysis of the phase-margin and the sensitivity function. Experimental results confirm the effectiveness of the control algorithm in regulating the mean-value rail pressure independently from engine working conditions (engine speed and time of injection) with limited design effort.



A methodology for CFD predictions of spark ignition direct injection engine conical sprays combining improved physical submodels and system optimization

A methodology for CFD predictions of spark ignition direct injection engine conical sprays combining improved physical submodels and system optimization Author Ronald O. Grover
ISBN-10 UOM:39015062427656
Release 2005
Pages
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A methodology for CFD predictions of spark ignition direct injection engine conical sprays combining improved physical submodels and system optimization has been writing in one form or another for most of life. You can find so many inspiration from A methodology for CFD predictions of spark ignition direct injection engine conical sprays combining improved physical submodels and system optimization also informative, and entertaining. Click DOWNLOAD or Read Online button to get full A methodology for CFD predictions of spark ignition direct injection engine conical sprays combining improved physical submodels and system optimization book for free.



Gasoline Engine Management

Gasoline Engine Management Author Konrad Reif
ISBN-10 9783658039646
Release 2014-07-22
Pages 354
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The call for environmentally compatible and economical vehicles necessitates immense efforts to develop innovative engine concepts. Technical concepts such as gasoline direct injection helped to save fuel up to 20 % and reduce CO2-emissions. Descriptions of the cylinder-charge control, fuel injection, ignition and catalytic emission-control systems provides comprehensive overview of today ́s gasoline engines. This book also describes emission-control systems and explains the diagnostic systems. The publication provides information on engine-management-systems and emission-control regulations.