Download or read book In cylinder Flame Temperature Radiance and Pressure Measurements of Diesel Combustion to Study the Fuel Molecular Structure Effects on Particulates written by Henry K. K. Ng and published by . This book was released on 1985 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Analyses and In cylinder Measurements of Local and Hemispherical Particulate Radiant Emissions and Temperatures in a Direct Injection Diesel Engine written by Jingde Yan and published by . This book was released on 1988 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Alternative Diesel Fuels written by Daniel J Holt and published by SAE International. This book was released on 2004-01-01 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: A key topic of many technical discussions has been the development of alternative fuels to power the compression ignition engine. Reasons for this include the desire to reduce the dependency on petroleum-based fuel and, at the same time, to reduce the particulate matter (PM) and NOx emissions. Also, there has been interest generated in the diesel engine because of the reduction in greenhouse gases that has been proposed during the 2008-2012 time frame in Europe and the regulations that affect diesel engines in the United States.

Download or read book Dissertation Abstracts International written by and published by . This book was released on 1985-08 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Diesel Engine Cylinder Gas side Heat Transfer to a Ceramic Surface written by Jeffrey Cheng Huang and published by . This book was released on 1986 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Simultaneous Pyrometer Measurements Along Three Path Directions in an Open Chamber Diesel written by Ibrahim Samy A. Mohammad and published by . This book was released on 1990 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book American Doctoral Dissertations written by and published by . This book was released on 1984 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1989 with total page 1116 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Thermo and Fluid Dynamic Processes in Diesel Engines 2 written by James H. Whitelaw and published by Springer Science & Business Media. This book was released on 2004-01-23 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers collected in this volume address all aspects related to thermofluidynamic processses in Diesel engines, from basic studies aiming to obtain a better understanding of the physical processes underlying diesel engine operation, to the real day-to-day problems associated with engine development. The topics covered comprise: Air management, injection systems, spray development and air interaction, combustion and pollutant formation, emission control strategies, and new concepts.

Download or read book Emissions and In cylinder Combustion Characteristics of Fischer Tropsch and Conventional Diesel Fuels in a Modern CI Engine written by Alexander Georg Sappok and published by . This book was released on 2006 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Cont.) Emissions and in-cylinder pressure measurements were conducted for neat FT diesel, low sulfur diesel (LSD), ultra-low sulfur diesel (ULSD), and a blend of FT/LSD. The experimental results show a significant reduction in regulated emissions with the neat FT fuel and a more than proportional reduction in particulate emissions for the blend. In order to provide further insight into the emissions behavior of the fuels, combustion characteristics were determined from a heat release analysis based on the in-cylinder pressure measurements. In addition, a detailed chemical analysis of the fuels and particulate emissions was carried out. The differences in the measured combustion characteristics and fuel properties were compared to the emissions variations between the fuels studied, and an explanation for the observed emissions behavior of the fuels was developed.

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1988 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Effect of Selected Fuel Properties on Diesel Combustion written by Howard Anton Dvorak and published by . This book was released on 1948 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book In cylinder Flame Temperature Soot Concentration and Heat Transfer Measurements in a Low heat rejection Diesel Engine written by Mark A. Mueller and published by . This book was released on 1990 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Coherent Flamelet Modeling of Diesel Engine Combustion written by Mark P. Musculus and published by . This book was released on 1994 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Combustion Emission Formation Process in Diesel Engines written by and published by . This book was released on 2003 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Study of the Effect of Fuel Properties Upon Diesel Engine Combustion written by Joseph C. Firey and published by . This book was released on 1941 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Detailed Chemical Kinetic Modeling of Diesel Combustion with Oxygenated Fuels written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Emission standards for diesel engines in vehicles have been steadily reduced in recent years, and a great deal of research and development effort has been focused on reducing particulate and nitrogen oxide emissions. One promising approach to reducing emissions involves the addition of oxygen to the fuel, generally by adding an oxygenated compound to the normal diesel fuel. Miyamoto et al. [1] showed experimentally that particulate levels can be significantly reduced by adding oxygenated species to the fuel. They found the Bosch smoke number (a measure of the particulate or soot levels in diesel exhaust) falls from about 55% for conventional diesel fuel to less than 1% when the oxygen content of the fuel is above about 25% by mass, as shown in Figure 1. It has been well established that addition of oxygenates to automotive fuel, including both diesel fuel as well as gasoline, reduces NOx and CO emissions by reducing flame temperatures. This is the basis for addition of oxygenates to produce reformulated gasoline in selected portions of the country. Of course, this is also accompanied by a slight reduction in fuel economy. A new overall picture of diesel combustion has been developed by Dec [2], in which laser diagnostic studies identified stages in diesel combustion that had not previously been recognized. These stages are summarized in Figure 2. The evolution of the diesel spray is shown, starting as a liquid jet that vaporizes and entrains hot air from the combustion chamber. This relatively steady process continues as long as fuel is being injected. In particular, Dec showed that the fuel spray vaporizes and mixes with air and products of earlier combustion to provide a region in which a gas phase, premixed fuel-rich ignition and burn occurs. The products of this ignition are then observed experimentally to lead rapidly to formation of soot particles, which subsequently are consumed in a diffusion flame. Recently, Flynn et al. [3] used a chemical kinetic and mixing model to study the premixed, rich ignition process. Using n-heptane as a representative diesel fuel, they showed that addition of an oxygenated additive, methanol, to the fuel reduced the concentrations of a number of hydrocarbon species in the products of the rich ignition. Specifically, methanol addition reduced the total concentrations of acetylene, ethylene and 1,3-butadiene, as well as propargyl and vinyl radicals, in the ignition products. These are the same species shown in a number of studies [4-6] to be responsible for formation of aromatic and polycyclic aromatic species in flames, species which lead eventually to production of soot. Flynn et al. did not, however, examine the kinetic processes responsible for the computed reduction in production of soot precursor species. At least two hypotheses have been advanced to explain the role that oxygenated species play in diesel ignition and the reduction in the concentrations of these species. The first is that the additive, methanol in the case of Flynn et al., does not contain any C-C bonds and cannot then produce significant levels of the species such as acetylene, ethylene or the unsaturated radicals which are known to lead to aromatic species. The second hypothesis is that the product distribution changes very naturally as oxygen is added and the overall equivalence ratio is reduced. In the present study, we repeat the ignition calculations of Flynn et al. and include a number of other oxygenated species to determine which of these theories is more applicable to this model.