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Author : Hiroharu Yamaguchi
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (515 download)
Download or read book A Study of Particulate Formation on the Combustion Chamber Wall written by Hiroharu Yamaguchi and published by . This book was released on 1991 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Donald Siegla
Publisher : Springer Science & Business Media
ISBN 13 : 1475761376
Total Pages : 500 pages
Book Rating : 4.4/5 (757 download)
Download or read book Particulate Carbon written by Donald Siegla and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of the symposium, "Particulate Carbon: Formation During Combustion", held at the General Motors Research Laboratories on October 15 and 16, 1980, was to discuss fundamental aspects of soot formation and oxidation in combustion systems and to stimulate new research by extensive interactions among the participants. This book contains lhe papers and discussions of that symposium, the 26th in an annual series covering many different disciplines which are timely and of interest to both General Motors and the technical community at large. The subject of this symposium has considerable relevance for man in his effort to control and preserve his environment. Emission of particulate carbon into the atmos phere from combustion sources is of concern to scientists and laymen alike. The hope of reducing this emission clearly requires an understanding of its formation during the combustion process, itself an area of considerable long-term research interest. It is our hope that this symposium has served to summarize what is known so that what remains to be learned can be pursued with greater vigor.
Author : Peter Eastwood
Publisher : John Wiley & Sons
ISBN 13 : 9780470986509
Total Pages : 512 pages
Book Rating : 4.9/5 (865 download)
Download or read book Particulate Emissions from Vehicles written by Peter Eastwood and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: The public health risks posed by automotive particulate emissions are well known. Such particles are sufficiently small to reach the deepest regions of the lungs; and moreover act as carriers for many potentially toxic substances. Historically, diesel engines have been singled out in this regard, but recent research shows the need to consider particulate emissions from gasoline engines as well. Already implicated in more than one respiratory disease, the strongest evidence in recent times points to particle-mediated cardiovascular disorders (strokes and heart attacks). Accordingly, legislation limiting particulate emissions is becoming increasingly stringent, placing great pressure on the automotive industry to produce cleaner vehicles - pressure only heightened by the ever-increasing number of cars on our roads. Particulate Emissions from Vehicles addresses a field of increased international interest and research activity; discusses the impact of new legislation globally on the automotive industry; and explains new ways of measuring particle size, number and composition that are currently under development. The expert analysis and summary of the state-of-the-art, which encompasses the key areas of combustion performance, measurement techniques and toxicology, will appeal to R&D practitioners and engineers working in the automotive industry and related mechanical fields, as well as postgraduate students and researchers of engine technology, air pollution and life/ environmental science. The public health aspects will also appeal to the biomedical research community.
Author : John H Johnson
Publisher : SAE International
ISBN 13 : 1468600117
Total Pages : 636 pages
Book Rating : 4.4/5 (686 download)
Download or read book Diesel Particulate Emissions Landmark Research 1994-2001 written by John H Johnson and published by SAE International. This book was released on 2002-02-20 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need for manufacturers to meet U.S. Environmental Protection Agency (EPA) mobile source diesel emissions standards for on-highway light duty and heavy duty vehicles has been the driving force for the control of diesel particulate and NOx emissions reductions. Diesel Particulate Emissions: Landmark Research 1994-2001 contains the latest research and development findings that will help guide engineers to achieve low particulate emissions from future engines. Based on extensive SAE literature from the past seven years, the 45 papers in this book have been selected from the SAE Transactions Journals.
Author : Donald Siegla
Publisher : Springer
ISBN 13 : 9780306408816
Total Pages : 0 pages
Book Rating : 4.4/5 (88 download)
Download or read book Particulate Carbon written by Donald Siegla and published by Springer. This book was released on 1981-11-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of the symposium, "Particulate Carbon: Formation During Combustion", held at the General Motors Research Laboratories on October 15 and 16, 1980, was to discuss fundamental aspects of soot formation and oxidation in combustion systems and to stimulate new research by extensive interactions among the participants. This book contains lhe papers and discussions of that symposium, the 26th in an annual series covering many different disciplines which are timely and of interest to both General Motors and the technical community at large. The subject of this symposium has considerable relevance for man in his effort to control and preserve his environment. Emission of particulate carbon into the atmos phere from combustion sources is of concern to scientists and laymen alike. The hope of reducing this emission clearly requires an understanding of its formation during the combustion process, itself an area of considerable long-term research interest. It is our hope that this symposium has served to summarize what is known so that what remains to be learned can be pursued with greater vigor.
Author : Thierry Poinsot
Publisher : R.T. Edwards, Inc.
ISBN 13 : 9781930217102
Total Pages : 544 pages
Book Rating : 4.2/5 (171 download)
Download or read book Theoretical and Numerical Combustion written by Thierry Poinsot and published by R.T. Edwards, Inc.. This book was released on 2005 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introducing numerical techniques for combustion, this textbook describes both laminar and turbulent flames, addresses the problem of flame-wall interaction, and presents a series of theoretical tools used to study the coupling phenomena between combustion and acoustics. The second edition incorporates recent advances in unsteady simulation methods,
Author : Paul Degobert
Publisher : Editions OPHRYS
ISBN 13 : 9782710810810
Total Pages : 522 pages
Book Rating : 4.8/5 (18 download)
Download or read book Automobiles and Pollution written by Paul Degobert and published by Editions OPHRYS. This book was released on with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explores the impact automobile emissions have on air pollution, focusing on the share of pollution that can accurately be attributed to the use of vehicles. Presents general information on atmospheric pollution and its regulation in Europe, then discusses its impact on health and the environment, the chemistry and mechanisms of automobile pollution, the influence of fuel properties, post-combustion treatments, and economic challenges to alleviating the problem. Translated and enlarged from Automobile et pollution published by Editions Technip in Paris in 1992. Annotation copyrighted by Book News, Inc., Portland, OR
Author : Markus Bertsch
Publisher : Logos Verlag Berlin GmbH
ISBN 13 : 3832544038
Total Pages : 170 pages
Book Rating : 4.8/5 (325 download)
Download or read book Experimental Investigations on Particle Number Emissions from GDI Engines written by Markus Bertsch and published by Logos Verlag Berlin GmbH. This book was released on 2016-12-31 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis discusses experimental investigations to reduce particle number emissions from gasoline engines with direct injection. Measures on a single cylinder research engine with combined usage of a particle number measurement system, a particle size distribution measurement system as well as optical diagnostics and thermodynamic analysis enable an in-depth assessment of particle formation and oxidation. Therefore, numerous optical diagnostic techniques for spray visualisation (Mie-scattering, High-Speed PIV) and soot detection (High-Speed-Imaging, Fiber optical diagnostics) are deployed. Two injectors with different hydraulic flows but identical spray-targeting are characterised and compared by measurements in a pressurised chamber. The operation at higher engine load and low engine speed is in the focus of the experimental work at the engine test bench. Thereby, the low flow velocities in the combustion chamber, caused by the low engine speed, as well as the large amount of fuel injected are major challenges for the mixture formation process. A substantial part of the thesis thus focusses on the detailed analysis of the mixture formation process, which is consisting of fuel injection, interaction of the in-cylinder charge motion with the fuel injected and the fuel properties. Measures for the optimisation of the mixture formation process and the minimisation of the particle number emissions are analysed and evaluated. The charge motion is manipulated by the impression of a directed flow, the variation of the valve timings and valve open curve. The injection process is influenced by a reduction of the hydraulic flow of the injector and an increase of the injection pressure up to 50 MPa. The investigations show fundamental effects and potentials of different variation parameters concerning their emissions reduction potential at the exemplary operation at high engine load. Due to the simultaneous analysis of the in-cylinder charge motion and a thermodynamic analysis, the results can be transferred to different engines.
Author : Quentin Lamiel (docteur en physique).)
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (113 download)
Download or read book Analysis of Spray-wall Impingement, Fuel Film Spreading and Vaporisation for Reciprocating Engine Applications written by Quentin Lamiel (docteur en physique).) and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The road transport is responsible of a considerable amount of pollutants emissions at the worldwide scale. To tackle this issue, many laws are trying to give a framework to reduce the emissions at the global scale. The law are always more restrictive, and they oriented the car manufacturers to the reduction of their gasoline engine size. This phenomenon, called downsizing, lead to the use of direct injection in order to improve the power/volume ratio of the engine. However, with direct injection the problem of particle emissions arose. Indeed, the liquid film generated during the injection process are responsible of inhomogeneities in the combustion chamber which lead to particles formation. In this context, the study of the fuel films in the combustion chamber is a major concern. To perform this study several experimental apparatus are designed in this thesis. A high-pressure 3-hole solenoid injector is used in order to generate liquid films. The generation and the spreading of the liquid films is observed and modelled. Then the thermal aspects of the spray impingement is studied, to characterise the local heat transfer. These thermal loss are delaying the evaporation of the liquid film, which will lead to inhomogeneities in the combustion chamber and particle generation. A modelling of the heat transfer is also proposed, finally the evaporation rate of alkanes films is proposed. Mono and multicomponents films are studied, these measures were used to calibrate a numerical model for the evaporation of thin liquid films on hot walls. Together with the previous experimental investigationsand models a test campaign on a real engine has been held. The objective is to confirm that, the results produced out of the engine are transposable to the engine (with careful attention). Conclusions on the different aspects are then presented.
Author :
Publisher :
ISBN 13 :
Total Pages : 912 pages
Book Rating : 4.:/5 (318 download)
Download or read book Annual Index/abstracts of SAE Technical Papers written by and published by . This book was released on 2001 with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas P. Clark
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.3/5 (91 download)
Download or read book Examination of Smoke and Carbon from Turbojet-engine Combustors written by Thomas P. Clark and published by . This book was released on 1952 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Smoke and carbon from turbojet-engine combustors were studied by the methods of electron microscopy, chemical analysis, and x-ray diffraction. The smoke exhausting from a combustor was found to consist of carbon black, agglomerated into soot. The carbon black had been partially burned in its passage through the flame zone. The smoke resulted from the incomplete combustion of the vaporized fuel; it was not the result of the pyrolysis of fuel droplets. The soft carbon in the dome of the combustor liner was found to consist of carbon black and soot intermixed with indeterminate complexes such as high-boiling fuel ends and partly polymerized and pyrolyzed heavy hydrocarbons. The hard carbon on the walls of the combustor liner was found to be largely petroleum coke. The coke was apparently formed by the liquid phase cracking, pyrolysis, and subsequent coking on the liner wall of fuel from the spray nozzle.
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Author : Society of Automotive Engineers
Publisher :
ISBN 13 :
Total Pages : 1646 pages
Book Rating : 4.3/5 (91 download)
Download or read book Cumulative Index [of The] SAE Papers written by Society of Automotive Engineers and published by . This book was released on 1965 with total page 1646 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)
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.
Author : Tsuneo Someya
Publisher : Springer Science & Business Media
ISBN 13 : 4431682287
Total Pages : 332 pages
Book Rating : 4.4/5 (316 download)
Download or read book Advanced Combustion Science written by Tsuneo Someya and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non-uniform combustion, as encountered in diesel and gas turbine engines, furnaces, and boilers, is responsible for the conversion of fossil fuel to energy and also for the corresponding formation of pollutants. In spite of great research efforts in the past, the mechanism of non-uniform combustion has remained less explored than that of other combustion types, since it consists of many, mostly transient processes which influence each other. In view of this background, a group research project, "Exploration of Combustion Mechanism", was established to explore the mechanism of combustion, especially that of diffusive combustion, and also to find efficient ways to control the combustion process for better utilization of fuel and the reduction of pollutant emission. The group research was started, after preparatory activity of 2 years, in April 1988, for a period of 3 years, as a project with a Grant-in-Aid for Scientific Research of Priority Area subsidized by the Ministry of Education, Science and Culture of Japan. The entire group of 43 members was set up as an organizing committee of 13 members, and five research groups, consisting of 36 members. The research groups were: (1) Steady combustion, (2) Unsteady spray combustion, (3) Control of combustion, (4) Chemistry of combustion, and (5) Effects of fuels. At the beginning of the project it was agreed that we should pursue the mechanism of combustion from a scientific viewpoint, namely, the target of the project was to obtain the fundamentals, or "know why", rather than "know how" of combustion.
Author : Andrea D'Anna
Publisher : KIT Scientific Publishing
ISBN 13 : 3866444419
Total Pages : 754 pages
Book Rating : 4.8/5 (664 download)
Download or read book Combustion Generated Fine Carbonaceous Particles written by Andrea D'Anna and published by KIT Scientific Publishing. This book was released on 2014-08-13 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soot is of importance for its contribution to atmospheric particles with their adverse health impacts and for its contributions to heat transfer in furnaces and combustors, to luminosity from candles, and to smoke that hinders escape from buildings during fires and that impacts global warming or cooling. The different chapters of the book adress comprehensively the different aspects from fundamental approaches to applications in technical combustion devices.
Author : Wade H. Shafer
Publisher : Springer Science & Business Media
ISBN 13 : 1461534747
Total Pages : 421 pages
Book Rating : 4.4/5 (615 download)
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 34 (thesis year 1989) a total of 13,377 theses titles from 26 Canadian and 184 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 34 reports theses submitted in 1989, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Author :
Publisher :
ISBN 13 :
Total Pages : 748 pages
Book Rating : 4.:/5 (31 download)
Download or read book Fossil Energy Update written by and published by . This book was released on 1977 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:
