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Effects Of Diesel Water Emulsion Combustion On Diesel Engine Nox Emissions
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Book Synopsis Effects of Diesel-Water Emulsion Combustion on Diesel Engine NOx Emissions by :
Download or read book Effects of Diesel-Water Emulsion Combustion on Diesel Engine NOx Emissions written by and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study examines the effects of combusting a mixture of diesel fuel, water, and surfactant on the nitrogen oxides (NOx) emissions from a compression ignition diesel engine. Extensive previous research in the literature has attributed the observed reduction of nitrogen oxide emissions to a suppression of flame temperature due to quenching effects from the water, thereby reducing thermal NOx formation. The report highlights the relevant theory, operation, and design parameters of diesel internal combustion engines. Experimental procedures conducted using a Detroit Diesel 4-cylinder diesel engine are discussed. Results from testing diesel fuel with varying ratios of water balanced with a surfactant to stabilize the emulsion are presented and discussed. The data shows significant NOx emission reduction with up to 45 percent water, by volume, in the fuel. These results are correlated with thermodynamic first law and equilibrium combustion products analyses to estimate the adiabatic flame temperature of the standard fuel and fuel-water emulsion cases. Results indicate that thermal NOx is indeed reduced by quenching and flame temperature suppression, confirming reports in the literature. Recommendations are given for further studies, including improving the fuel-water emulsion and considerations for long-term testing.
Book Synopsis Effects of Diesel-Water Emulsion Combustion on Diesel Engine NOx Emissions by : Alan Canfield
Download or read book Effects of Diesel-Water Emulsion Combustion on Diesel Engine NOx Emissions written by Alan Canfield and published by . This book was released on 1999 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study examines the effects of combusting a mixture of diesel fuel, water, and surfactant on the nitrogen oxides (NOx) emissions from a compression ignition diesel engine. Extensive previous research in the literature has attributed the observed reduction of nitrogen oxide emissions to a suppression of flame temperature due to quenching effects from the water, thereby reducing thermal NOx formation. The report highlights the relevant theory, operation, and design parameters of diesel internal combustion engines. Experimental procedures conducted using a Detroit Diesel 4-cylinder diesel engine are discussed. Results from testing diesel fuel with varying ratios of water balanced with a surfactant to stabilize the emulsion are presented and discussed. The data shows significant NOx emission reduction with up to 45 percent water, by volume, in the fuel. These results are correlated with thermodynamic first law and equilibrium combustion products analyses to estimate the adiabatic flame temperature of the standard fuel and fuel-water emulsion cases. Results indicate that thermal NOx is indeed reduced by quenching and flame temperature suppression, confirming reports in the literature. Recommendations are given for further studies, including improving the fuel-water emulsion and considerations for long-term testing.
Book Synopsis The Emissions and Fuel Economy of a Detroit Diesel 6-71 Engine Burning a 10-percent Water-in-fuel Emulsion by : Robert A. Walter
Download or read book The Emissions and Fuel Economy of a Detroit Diesel 6-71 Engine Burning a 10-percent Water-in-fuel Emulsion written by Robert A. Walter and published by . This book was released on 1978 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: Initial efforts with water/fuel emulsions in diesel engines were directed toward the control of NOx. More recent studies emphasized the use of emulsions to improve fuel economy. It is believed that in a diesel engine combustion process, emulsified fuel droplets would undergo micro-explosions that would decrease the heterogeneity of the injector spray pattern and thus increase the efficiency and fuel economy. Although all data in the literature indicate that emulsions do lower the levels of NOx and smoke, carbon monoxide (CO) and hydrocarbons (HC) generally increase, depending on the amount of water in the emulsion, and the engine type, speed, and load. Reported fuel economy either decreases or increases, again, dependent on the water content, engine type and design, and engine speed and load. Other possible effects, such as increased fuel injector corrosion, water dilution of the lubricating oil, and the possibility of increased combustion chamber deposits have not been studied. The task reported here is a preliminary investigation of water/fuel emulsions in a GM6-71 engine. Surface active agents (surfactants), were used to produce the emulsions for this task. The purposes of this preliminary effort were to resolve the conflicting results in the literature, assess potential problem areas, and aid in formulating future efforts.
Book Synopsis Numerical and Experimental Investigation of Water Introduction Into DI Diesel Engine Combustion by : Peter Eckert
Download or read book Numerical and Experimental Investigation of Water Introduction Into DI Diesel Engine Combustion written by Peter Eckert and published by Logos Verlag Berlin GmbH. This book was released on 2008 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Im vorliegenden Band 3/2008 berichtet Herr Eckert uber die Ergebnisse aus Untersuchungen zur Partikel- und Stickoxidminimierung bei Dieselmotoren durch Wassereinbringung. Das primare Ziel ist dabei die innermotorische Reduzierung der thermischen Stickoxidbildung. Es sind unterschiedliche Methoden der wassereinbringung in den dieselmotorischen Verbrennungsprozess moglich; beispielsweise die Einspritzung von Wasser in das Ansaugsystem, eine direkte Einspritzung von Wasser in den Brennraum sowie die Wassereinbringung mit Diesel- Wasser Emulsionen. Diese Massnahmen sind unter anderem bei dieselmotoren, die zumindest teilweise mit Schwerol betrieben werden, besonders interessant, da dort klassische Methoden zur Schadstoffreduktion, wie z.B. Abgasruckfuhrung oder Abgasnachbehandlung, nur mit erheblichem Aufwand eingesetzt werden konnen.
Book Synopsis Distributed Power Generation by : H. Lee Willis
Download or read book Distributed Power Generation written by H. Lee Willis and published by CRC Press. This book was released on 2000-01-11 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the view of many power experts, distributed power generation represents the paradigm of the future. Distributed Power Generation: Planning and Evaluation explores the preparation and analysis of distributed generators (DGs) for residential, commercial and industrial, as well as electric utility applications. It examines distributed generation versus traditional, centralized power systems, power demands, reliability evaluation, planning processes, costs, reciprocating piston engine DGs, gas turbine powered DGs, fuel cell powered DGs, renewable resource DGs, and more. The authors include recommendations and guidelines for DG planners, and numerous case studies illustrate the discussions.
Book Synopsis Oxygen-Enhanced Combustion by : Charles E. Baukal Jr.
Download or read book Oxygen-Enhanced Combustion written by Charles E. Baukal Jr. and published by CRC Press. This book was released on 2013-03-15 with total page 779 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combustion technology has traditionally been dominated by air/fuel combustion. However, two developments have increased the significance of oxygen-enhanced combustion-new technologies that produce oxygen less expensively and the increased importance of environmental regulations. Advantages of oxygen-enhanced combustion include less pollutant emissi
Book Synopsis Recent Technologies for Enhancing Performance and Reducing Emissions in Diesel Engines by : Basha, J. Sadhik
Download or read book Recent Technologies for Enhancing Performance and Reducing Emissions in Diesel Engines written by Basha, J. Sadhik and published by IGI Global. This book was released on 2020-02-21 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: In today’s global context, there has been extensive research conducted in reducing harmful emissions to conserve and protect our environment. In the automobile and power generation industries, diesel engines are being utilized due to their high level of performance and fuel economy. However, these engines are producing harmful pollutants that contribute to several global threats including greenhouse gases and ozone layer depletion. Professionals have begun developing techniques to improve the performance and reduce emissions of diesel engines, but significant research is lacking in this area. Recent Technologies for Enhancing Performance and Reducing Emissions in Diesel Engines is a pivotal reference source that provides vital research on technical and environmental enhancements to the emission and combustion characteristics of diesel engines. While highlighting topics such as biodiesel emulsions, nanoparticle additives, and mathematical modeling, this publication explores the potential additives that have been incorporated into the performance of diesel engines in order to positively affect the environment. This book is ideally designed for chemical and electrical engineers, developers, researchers, power generation professionals, mechanical practitioners, scholars, ecologists, scientists, graduate students, and academicians seeking current research on modern innovations in fuel processing and environmental pollution control.
Book Synopsis Performance Combustion Characteristics and Exhaust Emission of a Direct Injection Diesel Engine Using Water/Oil Emulsions as Fuel by : E. M. Afify
Download or read book Performance Combustion Characteristics and Exhaust Emission of a Direct Injection Diesel Engine Using Water/Oil Emulsions as Fuel written by E. M. Afify and published by . This book was released on 1985 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: A CLR single cylinder diesel engine is used to determine the effect of air content in the emulsified fuel on the performance, exhaust emissions and ignition delay of diesel engines. The experiments were conducted using diesel fuel no. 2 and JP-4 as baseline fuels and emulsions containing 15%, 30% and 45% water by volume. The air charge temperature was varied from 88 F to 302 F. The effects associated with use of the emulsions on performance, ignition delay and exhaust emissions were determined by making detailed measurements of fuel consumption, engine operating parameters and exhaust emissions. The results showed that slight improvement in Brake Specific Fuel Consumption (BSFC) was observed when emulsions with low water content were used at high speeds. For high water content emulsions, the BSFC increased. Heating the intake air increased the BSFC at high engine loads and slightly improved it at low engine loads. While the ignition delay was found to increase with the increase of the water percentage in the emulsion, preheating the air charge was effective in reducing it. Although, NO sub x and soot formation were reduced effectively with the increase of water content in the emulsion, preheating the air charge adversely affected NO sub x and soot emissions. While CO and VHC emissions increased with the increase of the water content in the emulsion, increasing the intake air temperature slightly reduced carbon monoxide and unburned hydrocarbons at low loads. Keywords: Combustion; Exhaust emissions; Water/Oil emulsions.
Book Synopsis Water-in-Diesel Emulsions as a Route to Lower Transport Emissions by : Joao Carlos Fernandes Serodio
Download or read book Water-in-Diesel Emulsions as a Route to Lower Transport Emissions written by Joao Carlos Fernandes Serodio and published by . This book was released on 2022-12-02 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diesel engines have higher combustion efficiency, high efficiency, durability, and reliability together with their low-operating cost and emit lower carbon dioxide, carbon monoxide, and unburned hydrocarbons compared to gasoline engines; however, diesel engines are a major source of NOx and particulate matter emissions. The purpose of water-in-fuel emulsion is to enhance combustion efficiency, which improves fuel consumption rates and reduces exhaust gas emissions. Combustion efficiency is obtained by micro-explosion phenomenon, where the sub-droplet of water in the fuel spray droplet will expand and puff, breaking down the fuel spray droplet into smaller particles. The smaller the fuel spray droplet sizes are the easier the fuel will burn, improving fuel consumption rates which will reduce the reliance of hydrocarbons fuels, and reducing exhaust gas emissions, which will contribute to the reduction of greenhouse effect, without any me-chanical or electronic changes to the engine.
Book Synopsis Water Diesel Emulsion by : Marizan Nor Basirun
Download or read book Water Diesel Emulsion written by Marizan Nor Basirun and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diesel Engines - Current Challenges and Future Perspectives by : Hasan Koten
Download or read book Diesel Engines - Current Challenges and Future Perspectives written by Hasan Koten and published by BoD – Books on Demand. This book was released on 2024-05-22 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the current technology and future status of diesel engines. While gasoline engines are preferred for speed and jet engines, diesel engines are widely used in vehicles and machinery that require torque, such as ships, trains, tanks, unmanned ariel vehicles (UAVs), and heavy-duty vehicles. Some recent research on global climate change has focused on obtaining zero carbon, zero emissions, and decarbonization via clean combustion technologies. For this reason, restrictive emission regulations have forced engine manufacturers and research centers to turn to different technologies to achieve clean combustion in diesel engines. This book focuses on different combustion technologies, from artificial intelligence applications in diesel engines to alternative fuels. It discusses the roles of artificial intelligence in the design of diesel engines, the use of different fuels in diesel engines, and the effects of these on the performance and emission values of diesel engines. Solving the challenge of hydrogen storage in hydrogen-fed diesel engines will open a new era for internal combustion engines. In particular, the use of hydrogen fuel produced by the reaction of chemical ingredients with water in diesel engine cycles will have a significant impact on the industry. This book, which brings together the latest studies on clean combustion technologies, is an interesting resource for both industry and research centers.
Book Synopsis NOx Emission Study by : Andrew D. Prior
Download or read book NOx Emission Study written by Andrew D. Prior and published by . This book was released on 2005 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diesel Emissions and Their Control by : Magdi K Khair
Download or read book Diesel Emissions and Their Control written by Magdi K Khair and published by SAE International. This book was released on 2006-12-01 with total page 583 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will assist readers in meeting today's tough challenges of improving diesel engine emissions, diesel efficiency, and public perception of the diesel engine. It can be used as an introductory text, while at the same time providing practical information that will be useful for experienced readers. This comprehensive book is well illustrated with more than 560 figures and 80 tables. Each main section is broken down into chapters that offer more specific and extensive information on current issues, as well as answers to technical questions.
Book Synopsis Gas Turbine Emissions by : Timothy C. Lieuwen
Download or read book Gas Turbine Emissions written by Timothy C. Lieuwen and published by Cambridge University Press. This book was released on 2013-07-08 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of clean, sustainable energy systems is a preeminent issue in our time. Gas turbines will continue to be important combustion-based energy conversion devices for many decades to come, used for aircraft propulsion, ground-based power generation, and mechanical-drive applications. This book compiles the key scientific and technological knowledge associated with gas turbine emissions into a single authoritative source.
Book Synopsis Combustion of Drops and Sprays of No. 2 Diesel Oil and Its Emulsions with Water and Methanol by : S. R. Gollahalli
Download or read book Combustion of Drops and Sprays of No. 2 Diesel Oil and Its Emulsions with Water and Methanol written by S. R. Gollahalli and published by . This book was released on 1980 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Food Emulsions by : David Julian McClements
Download or read book Food Emulsions written by David Julian McClements and published by CRC Press. This book was released on 2004-12-16 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: Food Emulsions: Principles, Practice, and Techniques, Second Edition introduces the fundamentals of emulsion science and demonstrates how this knowledge can be applied to better understand and control the appearance, stability, and texture of many common and important emulsion-based foods. Revised and expanded to reflect recent developments, this s
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:
