Effects Of Advanced Fuel Injection Strategies On Di Diesel Emissions

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Effects of Advanced Fuel Injection Strategies on DI Diesel Emissions

Author : A. M. Mellor
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (228 download)

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Book Synopsis Effects of Advanced Fuel Injection Strategies on DI Diesel Emissions by : A. M. Mellor

Download or read book Effects of Advanced Fuel Injection Strategies on DI Diesel Emissions written by A. M. Mellor and published by . This book was released on 2001 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The focus of the program is developing engineering models for Diesel emissions and performance that: (1) stand alone as preliminary design tools, (2) provide submodels for CFD, spray-marching, and cycle simulations, and (3) offer real-time algorithms for control of smart engines. These models, because of their simplicity, also provide the design engineer with valuable insight into the predominate processes governing engine emissions and performance. The model equations are derived from first principles and are based on Damkohler numbers describing the pollutant chemistry and fluid flow processes. To date emissions of oxides of nitrogen (NO(x)) have received primary emphasis. Both quasi-steady and dynamic models have been developed and examined with data from various engines. Development of similar models for particulate emissions and power density continues. One of the topics examined in the past year is the effect of multiple fuel injections on emissions of nitric oxide.

Investigations of Advanced Injection and Combustion Strategies on DI Diesel Engine Performance and Emissions

Author : Raouf Mobasheri
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (827 download)

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Book Synopsis Investigations of Advanced Injection and Combustion Strategies on DI Diesel Engine Performance and Emissions by : Raouf Mobasheri

Download or read book Investigations of Advanced Injection and Combustion Strategies on DI Diesel Engine Performance and Emissions written by Raouf Mobasheri and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The main driving force behind this research was the need for cleaner and more efficient engines to meet the ever-increasing demands on the modern automobile's emissions. In recent years different studies have been carried out to analyze the combined effects of high-pressure injection, boost pressure, multiple injections, included spray angle and combustion chamber geometry. Though considerable research has shown these technologies can meet the low emission regulations, the careful optimization of the engine operating conditions is still required in order to get the full benefit of the different strategies. With these issues as motivation, the first important objective of this study was to gain a detailed understanding of the mechanisms through which fuel injection interacts with other engine parameters and influences diesel combustion and emissions, and hence to attempt to generalize the adoption of multiple injection strategies with regards to improving diesel engine performance. For this purpose, a modified parameter called "Homogeneity Factor of in-cylinder charge" (HF) was introduced and proposed as a new measure in combustion theory to analyze the combustion characteristics and air-fuel mixing process of diesel engines in more detail. The second part of this research builds upon a detail investigation on the included spray cone angle concept and explores further their use in conjunction with multiple-injection strategies in diesel engines. In addition, an investigation was performed in third phase of this research to analyze the effects of piston geometry on combustion, performance and exhaust emission characteristics. The results showed that employing a post-injection combined with a pilot injection results in reduced soot formation from diffusion combustion and enhances the soot oxidation process during the expansion stroke, resulting in decreased soot emissions, while the NOx concentration is maintained in low levels. It was also found that spray targeting is very effective for controlling the in-cylinder mixture distributions especially when it accompanied with advanced injection strategies. Moreover, the results confirmed that a narrower width of piston bowl has a higher unburned fuel air mixture region and hence results in higher soot emissions but with slightly larger piston surface area the optimum operating point could be obtained.

Advanced Direct Injection Combustion Engine Technologies and Development

Author : H Zhao
Publisher : Elsevier
ISBN 13 : 1845697324
Total Pages : 325 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Advanced Direct Injection Combustion Engine Technologies and Development by : H Zhao

Download or read book Advanced Direct Injection Combustion Engine Technologies and Development written by H Zhao and published by Elsevier. This book was released on 2014-01-23 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Effects of Advanced Injection Strategies on Direct Injection Diesel Emissions

Author : Bo Yang
Publisher :
ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.:/5 (55 download)

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Book Synopsis Effects of Advanced Injection Strategies on Direct Injection Diesel Emissions by : Bo Yang

Download or read book Effects of Advanced Injection Strategies on Direct Injection Diesel Emissions written by Bo Yang and published by . This book was released on 2002 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Diesel Combustion and Emissions

Author : Society of Automotive Engineers
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Diesel Combustion and Emissions by : Society of Automotive Engineers

Download or read book Diesel Combustion and Emissions written by Society of Automotive Engineers and published by . This book was released on 1981 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Diesel Engine

Author : Saiful Bari
Publisher : BoD – Books on Demand
ISBN 13 : 9535111205
Total Pages : 282 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Diesel Engine by : Saiful Bari

Download or read book Diesel Engine written by Saiful Bari and published by BoD – Books on Demand. This book was released on 2013-04-30 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diesel engines, also known as CI engines, possess a wide field of applications as energy converters because of their higher efficiency. However, diesel engines are a major source of NOX and particulate matter (PM) emissions. Because of its importance, five chapters in this book have been devoted to the formulation and control of these pollutants. The world is currently experiencing an oil crisis. Gaseous fuels like natural gas, pure hydrogen gas, biomass-based and coke-based syngas can be considered as alternative fuels for diesel engines. Their combustion and exhaust emissions characteristics are described in this book. Reliable early detection of malfunction and failure of any parts in diesel engines can save the engine from failing completely and save high repair cost. Tools are discussed in this book to detect common failure modes of diesel engine that can detect early signs of failure.

The Effect of Multiple Pulse Injection, Injection Rate and Injection Pressure on Particulate and NOx Emissions from a D.I. Diesel Engine

Download The Effect of Multiple Pulse Injection, Injection Rate and Injection Pressure on Particulate and NOx Emissions from a D.I. Diesel Engine PDF Online Free

Author : Tryg C. Tow
Publisher :
ISBN 13 :
Total Pages : 310 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis The Effect of Multiple Pulse Injection, Injection Rate and Injection Pressure on Particulate and NOx Emissions from a D.I. Diesel Engine by : Tryg C. Tow

Download or read book The Effect of Multiple Pulse Injection, Injection Rate and Injection Pressure on Particulate and NOx Emissions from a D.I. Diesel Engine written by Tryg C. Tow and published by . This book was released on 1993 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advanced Direct Injection Combustion Engine Technologies and Development

Author : H Zhao
Publisher : Elsevier
ISBN 13 : 1845697456
Total Pages : 761 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Advanced Direct Injection Combustion Engine Technologies and Development by : H Zhao

Download or read book Advanced Direct Injection Combustion Engine Technologies and Development written by H Zhao and published by Elsevier. This book was released on 2009-12-18 with total page 761 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 2 of the two-volume set Advanced direct injection combustion engine technologies and development investigates diesel DI combustion engines, which despite their commercial success are facing ever more stringent emission legislation worldwide. Direct injection diesel engines are generally more efficient and cleaner than indirect injection engines and as fuel prices continue to rise DI engines are expected to gain in popularity for automotive applications. Two exclusive sections examine light-duty and heavy-duty diesel engines. Fuel injection systems and after treatment systems for DI diesel engines are discussed. The final section addresses exhaust emission control strategies, including combustion diagnostics and modelling, drawing on reputable diesel combustion system research and development. Investigates how HSDI and DI engines can meet ever more stringent emission legislation Examines technologies for both light-duty and heavy-duty diesel engines Discusses exhaust emission control strategies, combustion diagnostics and modelling

Mitigation of Emissions Through Injection Strategies for C I Engine

Author : Jayashri Narayanan Nair
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)

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Book Synopsis Mitigation of Emissions Through Injection Strategies for C I Engine by : Jayashri Narayanan Nair

Download or read book Mitigation of Emissions Through Injection Strategies for C I Engine written by Jayashri Narayanan Nair and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel conversion efficiency is high with diesel engines compared to petrol engines. However high emissions from diesel is a matter of concern and its mitigation paves way for scope of research. Exhaust gas recirculation is one of the method widely accepted to curb NOx emissions. Recently, split or multiple-injection strategy has been explored by researchers to precisely control the fuel injected per cycle and also to mitigate emissions. Present work reflects technical review of effect of injection strategies on performance, emissions and combustion on C.I. engine with diesel and biodiesel as fuel. Injection strategies like duration of injection, number of injections, the dwell period between two injections, quantity of injection, and multiple injections are analyzed for their influence on engine output and brake specific fuel consumption. Also their effect on emissions especially soot and NOx emission are reviewed. First the effect of injection strategies with diesel fuel is discussed followed by biodiesel.

An Experimental Investigation of Advanced Diesel Combustion Strategies for Emissions Reductions in a Heavy-duty Diesel Engine at High Speed and Medium Load

Download An Experimental Investigation of Advanced Diesel Combustion Strategies for Emissions Reductions in a Heavy-duty Diesel Engine at High Speed and Medium Load PDF Online Free

Author : William L. Hardy
Publisher :
ISBN 13 :
Total Pages : 494 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis An Experimental Investigation of Advanced Diesel Combustion Strategies for Emissions Reductions in a Heavy-duty Diesel Engine at High Speed and Medium Load by : William L. Hardy

Download or read book An Experimental Investigation of Advanced Diesel Combustion Strategies for Emissions Reductions in a Heavy-duty Diesel Engine at High Speed and Medium Load written by William L. Hardy and published by . This book was released on 2005 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experiments and Modeling of Fuel Composition Effects on Diesel Engine Performance and Emissions

Author : Cathy Youngmi Choi
Publisher :
ISBN 13 :
Total Pages : 610 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Experiments and Modeling of Fuel Composition Effects on Diesel Engine Performance and Emissions by : Cathy Youngmi Choi

Download or read book Experiments and Modeling of Fuel Composition Effects on Diesel Engine Performance and Emissions written by Cathy Youngmi Choi and published by . This book was released on 1998 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modeling the Effects of Fuel Injection on Heavy-duty Diesel Engine Performance and Emissions

Author : David D.. Wickman
Publisher :
ISBN 13 :
Total Pages : 390 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Modeling the Effects of Fuel Injection on Heavy-duty Diesel Engine Performance and Emissions by : David D.. Wickman

Download or read book Modeling the Effects of Fuel Injection on Heavy-duty Diesel Engine Performance and Emissions written by David D.. Wickman and published by . This book was released on 1999 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Cost, Effectiveness, and Deployment of Fuel Economy Technologies for Light-Duty Vehicles

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309373913
Total Pages : 812 pages
Book Rating : 4.3/5 (93 download)

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Book Synopsis Cost, Effectiveness, and Deployment of Fuel Economy Technologies for Light-Duty Vehicles by : National Research Council

Download or read book Cost, Effectiveness, and Deployment of Fuel Economy Technologies for Light-Duty Vehicles written by National Research Council and published by National Academies Press. This book was released on 2015-09-28 with total page 812 pages. Available in PDF, EPUB and Kindle. Book excerpt: The light-duty vehicle fleet is expected to undergo substantial technological changes over the next several decades. New powertrain designs, alternative fuels, advanced materials and significant changes to the vehicle body are being driven by increasingly stringent fuel economy and greenhouse gas emission standards. By the end of the next decade, cars and light-duty trucks will be more fuel efficient, weigh less, emit less air pollutants, have more safety features, and will be more expensive to purchase relative to current vehicles. Though the gasoline-powered spark ignition engine will continue to be the dominant powertrain configuration even through 2030, such vehicles will be equipped with advanced technologies, materials, electronics and controls, and aerodynamics. And by 2030, the deployment of alternative methods to propel and fuel vehicles and alternative modes of transportation, including autonomous vehicles, will be well underway. What are these new technologies - how will they work, and will some technologies be more effective than others? Written to inform The United States Department of Transportation's National Highway Traffic Safety Administration (NHTSA) and Environmental Protection Agency (EPA) Corporate Average Fuel Economy (CAFE) and greenhouse gas (GHG) emission standards, this new report from the National Research Council is a technical evaluation of costs, benefits, and implementation issues of fuel reduction technologies for next-generation light-duty vehicles. Cost, Effectiveness, and Deployment of Fuel Economy Technologies for Light-Duty Vehicles estimates the cost, potential efficiency improvements, and barriers to commercial deployment of technologies that might be employed from 2020 to 2030. This report describes these promising technologies and makes recommendations for their inclusion on the list of technologies applicable for the 2017-2025 CAFE standards.

Alternative Fuels and Advanced Combustion Techniques as Sustainable Solutions for Internal Combustion Engines

Author : Akhilendra Pratap Singh
Publisher : Springer Nature
ISBN 13 : 9811615136
Total Pages : 404 pages
Book Rating : 4.8/5 (116 download)

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Book Synopsis Alternative Fuels and Advanced Combustion Techniques as Sustainable Solutions for Internal Combustion Engines by : Akhilendra Pratap Singh

Download or read book Alternative Fuels and Advanced Combustion Techniques as Sustainable Solutions for Internal Combustion Engines written by Akhilendra Pratap Singh and published by Springer Nature. This book was released on 2021-05-15 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph covers different aspects related to utilization of alternative fuels in internal combustion (IC) engines with a focus on biodiesel, dimethyl ether, alcohols, biogas, etc. The focal point of this book is to present engine combustion, performance and emission characteristics of IC engines fueled by these alternative fuels. A section of this book also covers the potential strategies of utilization of these alternative fuels in an energy efficient manner to reduce the harmful pollutants emitted from IC engines. It presents the comparative analysis of different alternative fuels in a variety of engines to show the appropriate alternative fuel for specific types of engines. This book will prove useful for both researchers as well as energy experts and policy makers.

An Experimental Study of the Effect of Injection Parameters and EGR on D.I. Diesel Emissions and Performance

Author : David A. Pierpont
Publisher :
ISBN 13 :
Total Pages : 390 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis An Experimental Study of the Effect of Injection Parameters and EGR on D.I. Diesel Emissions and Performance by : David A. Pierpont

Download or read book An Experimental Study of the Effect of Injection Parameters and EGR on D.I. Diesel Emissions and Performance written by David A. Pierpont and published by . This book was released on 1994 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Review of the 21st Century Truck Partnership

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309122082
Total Pages : 130 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Review of the 21st Century Truck Partnership by : National Research Council

Download or read book Review of the 21st Century Truck Partnership written by National Research Council and published by National Academies Press. This book was released on 2008-10-19 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 21st Century Truck Partnership (21CTP), a cooperative research and development partnership formed by four federal agencies with 15 industrial partners, was launched in the year 2000 with high hopes that it would dramatically advance the technologies used in trucks and buses, yielding a cleaner, safer, more efficient generation of vehicles. Review of the 21st Century Truck Partnership critically examines and comments on the overall adequacy and balance of the 21CTP. The book reviews how well the program has accomplished its goals, evaluates progress in the program, and makes recommendations to improve the likelihood of the Partnership meeting its goals. Key recommendations of the book include that the 21CTP should be continued, but the future program should be revised and better balanced. A clearer goal setting strategy should be developed, and the goals should be clearly stated in measurable engineering terms and reviewed periodically so as to be based on the available funds.

Assessment of Fuel Economy Technologies for Light-Duty Vehicles

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309216389
Total Pages : 373 pages
Book Rating : 4.3/5 (92 download)

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Book Synopsis Assessment of Fuel Economy Technologies for Light-Duty Vehicles by : National Research Council

Download or read book Assessment of Fuel Economy Technologies for Light-Duty Vehicles written by National Research Council and published by National Academies Press. This book was released on 2011-06-03 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: Various combinations of commercially available technologies could greatly reduce fuel consumption in passenger cars, sport-utility vehicles, minivans, and other light-duty vehicles without compromising vehicle performance or safety. Assessment of Technologies for Improving Light Duty Vehicle Fuel Economy estimates the potential fuel savings and costs to consumers of available technology combinations for three types of engines: spark-ignition gasoline, compression-ignition diesel, and hybrid. According to its estimates, adopting the full combination of improved technologies in medium and large cars and pickup trucks with spark-ignition engines could reduce fuel consumption by 29 percent at an additional cost of $2,200 to the consumer. Replacing spark-ignition engines with diesel engines and components would yield fuel savings of about 37 percent at an added cost of approximately $5,900 per vehicle, and replacing spark-ignition engines with hybrid engines and components would reduce fuel consumption by 43 percent at an increase of $6,000 per vehicle. The book focuses on fuel consumption-the amount of fuel consumed in a given driving distance-because energy savings are directly related to the amount of fuel used. In contrast, fuel economy measures how far a vehicle will travel with a gallon of fuel. Because fuel consumption data indicate money saved on fuel purchases and reductions in carbon dioxide emissions, the book finds that vehicle stickers should provide consumers with fuel consumption data in addition to fuel economy information.