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Ignition Of Fuel Sprays
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Book Synopsis Combustion of Liquid Fuel Sprays by : Alan Williams
Download or read book Combustion of Liquid Fuel Sprays written by Alan Williams and published by Butterworth-Heinemann. This book was released on 2013-10-22 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combustion of Liquid Fuel Sprays outlines the fundamentals of the combustion of sprays in a unified way which may be applied to any technological application. The book begins with a discussion of the general nature of spray combustion, the sources of liquid fuels used in spray combustion, biomass sources of liquid fuels, and the nature and properties of fuel oils. Subsequent chapters focus on the properties of sprays, the atomization of liquid fuels, and the theoretical modeling of the behavior of a spray flame in a combustion chamber. The nature and control of pollutants from spray combustion, the formation of deposits in oil-fired systems, and the combustion of sprays in furnaces and engines are elucidated as well. The text is intended for students undertaking courses or research in fuel, combustion, and energy studies.
Book Synopsis Droplets and Sprays by : Saptarshi Basu
Download or read book Droplets and Sprays written by Saptarshi Basu and published by Springer. This book was released on 2017-12-11 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on droplets and sprays relevant to combustion and propulsion applications. The book includes fundamental studies on the heating, evaporation and combustion of individual droplets and basic mechanisms of spray formation. The contents also extend to the latest analytical, numerical and experimental techniques for investigating the behavior of sprays in devices like combustion engines and gas turbines. In addition, the book explores several emerging areas like interactions between sprays and flames and the dynamic characteristics of spray combustion systems on the fundamental side, as well as the development of novel fuel injectors for specific devices on the application side. Given its breadth of coverage, the book will benefit researchers and professionals alike.
Book Synopsis Ignition of Fuel Sprays by : W. A. Sirignano
Download or read book Ignition of Fuel Sprays written by W. A. Sirignano and published by . This book was released on 1986 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: One-dimensional unsteady calculations to study the spray ignition process were performed first for a monodisperse fuel-air spray in front of a planar heated wall and later for polydisperse single-component fuel sprays. The effect of different droplet heating models was investigated and it is found that at certain equivalence ratios ignition delay time and energies can be smaller in the heterogeneous case than in the limiting gaseous premixed case. Because of the critical dependency of ignition upon the distance of the heat source to the nearest droplet, spray ignition criteria are not precisely defined by fuel type, droplet size distribution and equivalence ratio but a range of ignition delay times and ignition energies is found due to the probabilistic effect of droplet ignition. For polydisperse sprays it was found that ignition can be well correlated with an equivalent monodisperse spray by using a mean diameter based on the total surface area of the spray and not the Sauter-mean-diameter. the experimental part of the program was designed to verify the theoretical spray ignition description and should help in understanding the physics and chemistry of the process. it focused on the importance of transport mechanisms on individual fuel droplet ignition.
Book Synopsis Study of Compression Ignition of Fuel Sprays in a Controlled Environment by : Dale Charles Brinkmann
Download or read book Study of Compression Ignition of Fuel Sprays in a Controlled Environment written by Dale Charles Brinkmann and published by . This book was released on 1962 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spontaneous Ignition of Pentaborane Sprays in a Hot-air Stream by : Erwin A. Lezberg
Download or read book Spontaneous Ignition of Pentaborane Sprays in a Hot-air Stream written by Erwin A. Lezberg and published by . This book was released on 1956 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiple Ignition, Combustion and Quenching of Hydrocarbon Fuel Sprays by : S. Aggarwal
Download or read book Multiple Ignition, Combustion and Quenching of Hydrocarbon Fuel Sprays written by S. Aggarwal and published by . This book was released on 1984 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed parametric study of the ignition of a monodisperse fuel-air spray in contact with a hot wall was conducted. The theoretical model was one-dimensional unsteady and employed a hybrid Eulerian-Lagrangian numerical scheme. Effects of drop size, chemical kinetics, fuel-air ratios, fuel type and other parameters were examined. The results indicated the statistical character of the spray ignition, the existence of optimum droplet size and optimum fuel-air ratio for the minimum ignition delays. The study was extended to the polydisperse spray. The major conclusion was that the polydisperse results can be correlated with an equivalent monodisperse spray represented by a mean diameter based on the total spray surface area. The study of ignition for sprays flowing over a hot plate as initiated. The formulation and the numerical coding were completed. Currently the code is being employed to predict the ignition delays for the flowing sprays. Preliminary experiments were conducted to investigate the ignition of a single droplet stream along a heated surface. The results show an optimal distance from the surface for the droplet stream. It is speculated that this distance depends on the characteristic evaporation time, diffusion time and convective time inherent to the system. Experiments separating the effects are underway to investigate this interactive process. (Author).
Book Synopsis Modeling Engine Spray and Combustion Processes by : Gunnar Stiesch
Download or read book Modeling Engine Spray and Combustion Processes written by Gunnar Stiesch and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: The utilization of mathematical models to numerically describe the performance of internal combustion engines is of great significance in the development of new and improved engines. Today, such simulation models can already be viewed as standard tools, and their importance is likely to increase further as available com puter power is expected to increase and the predictive quality of the models is constantly enhanced. This book describes and discusses the most widely used mathematical models for in-cylinder spray and combustion processes, which are the most important subprocesses affecting engine fuel consumption and pollutant emissions. The relevant thermodynamic, fluid dynamic and chemical principles are summarized, and then the application of these principles to the in-cylinder processes is ex plained. Different modeling approaches for the each subprocesses are compared and discussed with respect to the governing model assumptions and simplifica tions. Conclusions are drawn as to which model approach is appropriate for a specific type of problem in the development process of an engine. Hence, this book may serve both as a graduate level textbook for combustion engineering stu dents and as a reference for professionals employed in the field of combustion en gine modeling. The research necessary for this book was carried out during my employment as a postdoctoral scientist at the Institute of Technical Combustion (ITV) at the Uni versity of Hannover, Germany and at the Engine Research Center (ERC) at the University of Wisconsin-Madison, USA.
Book Synopsis Influence of fuel, injection and wall on self ignition of diesel sprays by : Franz F. Pischinger
Download or read book Influence of fuel, injection and wall on self ignition of diesel sprays written by Franz F. Pischinger and published by . This book was released on 1988 with total page 0 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)
Book Synopsis Modelling Diesel Combustion by : P. A. Lakshminarayanan
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.
Book Synopsis Study of Compression Ignition of Fuel Sprays in a Controlled Environment by : C. F. Taylor
Download or read book Study of Compression Ignition of Fuel Sprays in a Controlled Environment written by C. F. Taylor and published by . This book was released on 1962 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Minimum Ignition Energy of Liquid Fuel Sprays by : Christopher P. Lynch
Download or read book Minimum Ignition Energy of Liquid Fuel Sprays written by Christopher P. Lynch and published by . This book was released on 1980 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spark Ignition of Liquid Fuel Sprays by : Sambasiva Rao Mylavarapu
Download or read book Spark Ignition of Liquid Fuel Sprays written by Sambasiva Rao Mylavarapu and published by . This book was released on 1978 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fuel Spray Ignition by Hot Surfaces and Aircraft Fire Stabilization by : J. G. Skifstad
Download or read book Fuel Spray Ignition by Hot Surfaces and Aircraft Fire Stabilization written by J. G. Skifstad and published by . This book was released on 1986 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Task 1 an experimental study of the ignition of Jet-A fuel sprays by an isothermal hot surface was conducted in a vertical axisymmetric duct. In addition to measurements of the wall temperature necessary for ignition, local measurements of velocity, turbulence intensity, fuel concentration, and the fraction of fuel vaporized were measured in the boundary layer at surface temperatures just below that required for ignition. In Task 2 two combustion tunnel facilities were used to investigate the stabilization of aircraft fires. Results showed that the shape of a bluff-body flameholder affects its stability characteristics through its influence on the size and shape of the wake region. Another significant finding was that the flameholding properties of the single-vortex flow pattern are markedly superior to those of the double-vortex pattern. In Task 3 experimental studies were conducted on: (1) Entrainment of an external flow into a cavity, with a small opening or vent in a side wall, when there is a small flow through the cavity; and (2) Fluid dynamics and ignition and flame stability characteristics of a jet of gaseous fuel through a protrusion of different shapes and heights in the wall of a cavity with a small flow of air through the cavity.
Book Synopsis Combustion of Sprays of Liquid Fuels by : Alan Williams
Download or read book Combustion of Sprays of Liquid Fuels written by Alan Williams and published by . This book was released on 1976 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ignition of Fuel Sprays by Hot Surfaces and Stabilization of Aircraft Fires by : J. G. Skifstad
Download or read book Ignition of Fuel Sprays by Hot Surfaces and Stabilization of Aircraft Fires written by J. G. Skifstad and published by . This book was released on 1978 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first annual report discusses a research project undertaken to investigate experimentally and theoretically the ignition of fuel sprays by hot surfaces and the stabilization of aircraft fires related to aircraft fire safety. The basic problems are outlined, and the experimental facilities developed for the research are described, along with a discussion of operating experience to date. (Author).
Book Synopsis Induction Period for Ignition of Fuel Sprays at High Temperatures and Pressures by : T. E. Parker
Download or read book Induction Period for Ignition of Fuel Sprays at High Temperatures and Pressures written by T. E. Parker and published by . This book was released on 1985 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization of Fuel Sprays in Spark Ignition Engines by : Paul Andrew Williams
Download or read book Characterization of Fuel Sprays in Spark Ignition Engines written by Paul Andrew Williams and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
