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Author :Xiaobin Li Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612027992 Total Pages : pages Book Rating :4.0/5 (279 download)
Book Synopsis Soot Formation and Oxidation in DI Diesel Engines [microform] by : Xiaobin Li
Download or read book Soot Formation and Oxidation in DI Diesel Engines [microform] written by Xiaobin Li and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Soot Formation and Oxidation in a DI Diesel Engine by : P. Belardini
Download or read book Soot Formation and Oxidation in a DI Diesel Engine written by P. Belardini and published by . This book was released on 1993 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Soot Formation, Oxidation and Its Mechanism in Different Combustion Systems and Smoke Emission Pattern in DI Diesel Engines by : Mei Ning
Download or read book Soot Formation, Oxidation and Its Mechanism in Different Combustion Systems and Smoke Emission Pattern in DI Diesel Engines written by Mei Ning and published by . This book was released on 1991 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Simulation of Soot Formation and Oxidation in Diesel Engines by : M. Gorokhovski
Download or read book Numerical Simulation of Soot Formation and Oxidation in Diesel Engines written by M. Gorokhovski and published by . This book was released on 1993 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Soot Formation During the Production of Syngas from the Partial Oxidation of Diesel Fuel by : Kolja Roth
Download or read book Soot Formation During the Production of Syngas from the Partial Oxidation of Diesel Fuel written by Kolja Roth and published by . This book was released on 2007 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Soot Formation in Diesel Engines by : Alumah Arad
Download or read book Modeling Soot Formation in Diesel Engines written by Alumah Arad and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "This study focuses on using biodiesel fuel as a means for decreasing diesel engine particulateemissions. Biodiesel is a general name for mixtures of long chain esters, generally methyl or ethylesters, used as alternative fuels in diesel engines. Biodiesel is produced by transesterification, usuallyof vegetable oils, with short chain aliphatic alcohols. Most researchers agree that diesel engineparticulate matter emissions decrease with the addition of biodiesel to diesel fuel.In this study, a new phenomenological model of soot formation and oxidation was developed fordiesel-biodiesel blend combustion."-- From the abstract.
Book Synopsis Properties, Formation and Oxidation of Soot Particulate in Diesel Engines by : T. Murayama
Download or read book Properties, Formation and Oxidation of Soot Particulate in Diesel Engines written by T. Murayama and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Combustion and In-cylinder Soot Formation Characteristics of a Neat GTL-fueled DI Diesel Engine by : Salih Manasra
Download or read book Combustion and In-cylinder Soot Formation Characteristics of a Neat GTL-fueled DI Diesel Engine written by Salih Manasra and published by . This book was released on 2012-01-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is interest in a substitution of conventional diesel fuel by alternative hydrocarbons. For example natural gas can be converted into liquid hydrocarbons using the Fischer-Tropsch process. Resulting Gas-To-Liquid (GTL) fuels may have considerable advantages with respect to their combustion. GTL fuels are appropriate for conventional diesel engines provided their operation is modified. In this context the injection strategy including injection timing and pressure is most important for the combustion process and resulting pollutants. In his experiments, the author has studied injection and combustion of GTL fuels. His investigations were focused on observing, characterizing and comparing soot formation in GTL fueled diesel engines.
Book Synopsis An Investigation of Late-combustion Soot Burnout in a DI Diesel Engine Using Simultaneous Planar Imaging of Soot and OH Radical by :
Download or read book An Investigation of Late-combustion Soot Burnout in a DI Diesel Engine Using Simultaneous Planar Imaging of Soot and OH Radical written by and published by . This book was released on 1999 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diesel engine design continues to be driven by the need to improve performance while at the same time achieving further reductions in emissions. The development of new designs to accomplish these goals requires an understanding of how the emissions are produced in the engine. Laser-imaging diagnostics are uniquely capable of providing this information, and the understanding of diesel combustion and emissions formation has been advanced considerably in recent years by their application. However, previous studies have generally focused on the early and middle stages of diesel combustion. These previous laser-imaging studies do provide important insight into the soot formation and oxidation processes during the main combustion event. They indicate that prior to the end of injection, soot formation is initiated by fuel-rich premixed combustion (equivalence ratio> 4) near the upstream limit of the luminous portion of the reacting fuel jet. The soot is then oxidized at the diffusion flame around the periphery of the luminous plume. Under typical diesel engine conditions, the diffusion flame does not burn the remaining fuel and soot as rapidly as it is supplied, resulting in an expanding region of rich combustion products and soot. This is evident in natural emission images by the increasing size of the luminous soot cloud prior to the end of injection. Hence, the amount of soot in the combustion chamber typically increases until shortly after the end of fuel injection, at which time the main soot formation period ends and the burnout phase begins. Sampling valve and two-color pyrometry data indicate that the vast majority (more than 90%) of the soot formed is oxidized before combustion ends; however, it is generally thought that a small fraction of this soot from the main combustion zones is not consumed and is the source of tail pipe soot emissions.
Book Synopsis DI Diesel Performance and Emissions Model by :
Download or read book DI Diesel Performance and Emissions Model written by and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on findings indicating that both the Zeldovich and N2O mechanisms are important in the formation and decomposition of NO in direct injection (DI) Diesel engines a skeletal mechanism consisting of seven elementary reactions is used to develop a two-zone model for NO(x) emissions from DI Diesel engines. Characteristic chemical kinetic times for NO formation in zone 1 and NO decomposition in zone 2 are formulated from the law of mass action applied separately to each zone and the relative importance of NO decomposition in four DI Diesel engines is examined. Preliminary fluid mechanic mixing times for NO formation are developed by the combination of fluid relations characteristic of each of the many mixing processes occurring in a DI Diesel engine. These results are empirical, but future fluid mechanic mixing times applicable to all DI Diesel engines may be found. Similarly, a two-zone soot CTM accounting for both soot formation and oxidation is outlined. The NO(x)/soot tradeoff for low loads is also proven using the preliminary models for soot and NO(x) thereby showing that when complete the models will predict the correct trends.
Book Synopsis Investigation of Soot Processes in an Optical Diesel Engine by : Barbara Menkiel
Download or read book Investigation of Soot Processes in an Optical Diesel Engine written by Barbara Menkiel and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This study is dedicated to investigation of soot formed during combustion in diesel engine. Measurements were performed in a high speed direct injection optical diesel engine. Initially soot particle size, size distribution and soot volume fraction were investigated using time resolved laser induced incandescence (TR-LII) technique. For this study standard diesel fuel was used and measurements were performed for various injection timing and two different engine loads. Investigation showed that TR-LII is a powerful tool that can be used for characterization of in-cylinder soot in the engines. Subsequently TR-LII technique was developed to measure in-cylinder soot in two dimensional plane (planar laser induced incandescence PLII) and technique was combined with high speed imaging to investigate soot processes for ultra-low sulfur diesel (ULSD) and bio-fuel (RME). Two injection strategies of single and double injection were applied during these measurements. A high speed imaging technique was used to study the soot formation and oxidation during the combustion process within the cylinder and PLII was applied later in the stroke to study qualitatively the relative amount of un-oxidised soot that was left in the combustion chamber. In addition to PLII, TR-LII technique was used simultaneously to explore crank angle resolved variation of primary soot particle size and their size distribution during the expansion stroke. The same measurements were repeated for fuels with different composition investigating the relationship between the fuel properties and soot emission. Finally mathematical model for soot particle size and distribution width was modified by introducing assumption of multi-lognormal in-cylinder soot particle size distribution.
Book Synopsis Oxidation of Soot Agglomerates in a Direct Injection Diesel Engine by : Ruonan Sun
Download or read book Oxidation of Soot Agglomerates in a Direct Injection Diesel Engine written by Ruonan Sun and published by . This book was released on 1991 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Investigation on Nitric Oxide and Soot of Biodiesel and Conventional Diesel Using a Medium Duty Diesel Engine by : Hoseok Song
Download or read book Investigation on Nitric Oxide and Soot of Biodiesel and Conventional Diesel Using a Medium Duty Diesel Engine written by Hoseok Song and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Biodiesel has been suggested as an alternative fuel to the petroleum diesel fuel. It beneficially reduces regulated emission gases, but increases NOx (nitric oxide and nitrogen dioxide) Thus, the increase in NOx is the barrier for potential growth of the biodiesel fuel. In general, NOx formation is dominated by flame temperature. Interestingly, soot can play a role as a heat sink as well as a heat transfer media to high temperature gases. Thus, the cooling effect of soot may change the flame temperature and therefore, NOx emissions. In this study, emphasis is placed on the relationship between soot and NO (Nitric oxide) formation. For the experimental study, a metallic fuel additive is used since barium is known to be effective to suppress soot formation during combustion. The barium additive is applied to #2D (Number 2 diesel fuel) by volume basis: 0.1, 0.25 and 0.5 %-v, and to the palm olein oil by 0.25 %-v. All the tests are carried out in a four-cylinder medium duty diesel engine, 4045 DI diesel engine, manufactured by John Deere. For the analysis, an analytical model is used to estimate combustion temperature, NO concentration and soot emissivity. The results show that NO concentration does not have the expected trade-off relation with soot. Rather, NO concentration is found to be more strongly affected by ambient temperature and combustion characteristics than by soot. The results of the analytical model show the reasonable NO estimation and the improvement on temperature calculation. However, the model is not able to explain the detailed changes of soot emissivity by the different fuels since the emissivity correlation is developed empirically for diesel fuel.
Book Synopsis Soot Formation in Local Zones of Fuel/burned Gas - Mixture in Diesel Engines by : G. Lepperhoff
Download or read book Soot Formation in Local Zones of Fuel/burned Gas - Mixture in Diesel Engines written by G. Lepperhoff and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Soot Formation Analysis Within the Combusion Chamber of Diesel Engines by Optical Fibers by : J. Dresden-Rausch
Download or read book Soot Formation Analysis Within the Combusion Chamber of Diesel Engines by Optical Fibers written by J. Dresden-Rausch and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optimization Methods for the Mixture Formation and Combustion Process in Diesel Engines by : Jost Weber
Download or read book Optimization Methods for the Mixture Formation and Combustion Process in Diesel Engines written by Jost Weber and published by Cuvillier Verlag. This book was released on 2008 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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