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Flame Characteristics And Application Of Flameless Combustion
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Book Synopsis Flame Characteristics and Application of Flameless Combustion by : Erwann Guillou
Download or read book Flame Characteristics and Application of Flameless Combustion written by Erwann Guillou and published by . This book was released on 2008 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flameless combustion is a technique obtained by operating at high level of turbulence and temperature of oxidizer higher than the autoignition temperature of the air and fuel mixture. Lately, it has received much attention because of its benefits in terms of energy saving and low NOX emission rate. This thesis aims to collect information, both in theory and practice, which can be useful in understanding the change of combustion regime under typical conditions. An overview of the main motivations to provide new combustion systems until the development of flameless combustion and its interesting characteristics is first presented. An experimental flameless burner, developed from the collaboration between the University of Cincinnati and Goodrich Turbine Fuel Technologies, is then investigated under atmospheric gas turbine engine conditions. The experimental results are subdivided in two parts: first, the characterization of the burner under thermodynamic influences and then, the presentation of qualitative and quantitative results acquired over several gaseous and liquid flames which determines the effect of fuel properties on flame characteristics. At high preheated air temperature and high pressure drop, it was shown that flameless combustion occurred under very stable conditions. The fuel chemical properties were found to have a subtle effect on the flameless oxidation of fuel with notably an interesting behavior under butane atomization. All the results were finally conclusive on a potential application of such a regime of combustion to gas turbine engine.
Book Synopsis Fundamentals of Low Emission Flameless Combustion and Its Applications by : Seyed Ehsan Hosseini
Download or read book Fundamentals of Low Emission Flameless Combustion and Its Applications written by Seyed Ehsan Hosseini and published by Academic Press. This book was released on 2022-07-30 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Low Emission Flameless Combustion and Its Applications is a comprehensive reference on the flameless combustion mode and its industrial applications, considering various types of fossil and alternative fuel. Several experimental and numerical accomplishments on the fundamentals of state-of-the-art flameless combustion is presented, working to clarify the environmentally friendly aspects of this combustion mode. Author Dr. Hosseini presents the latest progresses in the field and highlights the most important achievements since invention, including the fundamentals of thermodynamics, heat transfer and chemical kinetics. Also analyzed is fuel consumption reduction and the efficiency of the system, emissions formation and the effect of the flameless mode on emission reduction.This book provides a solid foundation for those in industry employing flameless combustion for energy conservation and the mitigation of pollutant emissions. It will provide engineers and researchers in energy system engineering, chemical engineering, industrial engineers and environmental engineering with a reliable resource on flameless combustion and may also serve as a textbook for senior graduate students. Presents the fundamentals of flameless combustion and covers advances since its invention Includes experimental and numerical investigations of flameless combustion Analyzes emission formation and highlights the effects of the flameless mode on emission reduction
Book Synopsis MILD Combustion: Modelling Challenges, Experimental Configurations and Diagnostic Tools by : Alessandro Parente
Download or read book MILD Combustion: Modelling Challenges, Experimental Configurations and Diagnostic Tools written by Alessandro Parente and published by Frontiers Media SA. This book was released on 2021-11-26 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Temperature Air Combustion by : Hiroshi Tsuji
Download or read book High Temperature Air Combustion written by Hiroshi Tsuji and published by CRC Press. This book was released on 2002-12-03 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maximize efficiency and minimize pollution: the breakthrough technology of high temperature air combustion (HiTAC) holds the potential to overcome the limitations of conventional combustion and allow engineers to finally meet this long-standing imperative. Research has shown that HiTAC technology can provide simultaneous reduction of CO2 and nitric
Book Synopsis Lean Combustion by : Derek Dunn-Rankin
Download or read book Lean Combustion written by Derek Dunn-Rankin and published by Academic Press. This book was released on 2011-07-28 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combustion under sufficiently fuel-lean conditions can have the desirable attributes of high efficiency and low emissions, this being particularly important in light of recent and rapid increases in the cost of fossil fuels and concerns over the links between combustion and global climate change. Lean Combustion is an eminently authoritative, reference work on the latest advances in lean combustion technology and systems. It will offer engineers working on combustion equipment and systems both the fundamentals and the latest developments in more efficient fuel usage and in much-sought-after reductions of undesirable emissions, while still achieving desired power output and performance. This volume brings together research and design of lean combustion systems across the technology spectrum in order to explore the state-of-the-art in lean combustion and its role in meeting current and future demands on combustion systems. Readers will learn about advances in the understanding of ultra lean fuel mixtures and how new types of burners and approaches to managing heat flow can reduce problems often found with lean combustion such as slow, difficult ignition and frequent flame extinction. The book will also offer abundant references and examples of recent real-world applications. Covers all major recent developments in lean combustion science and technology, with new applications in both traditional combustion schemes as well as such novel uses as highly preheated and hydrogen-fueled systems Offers techniques for overcoming difficult ignition problems and flame extinction with lean fuel mixtures Covers new developments in lean combustion using high levels of pre-heat and heat re-circulating burners, as well as the active control of lean combustion instabilities
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 Fundamental Studies in Flameless Combustion and Implications to Reaction Zone Structure and Pollutants Formation by :
Download or read book Fundamental Studies in Flameless Combustion and Implications to Reaction Zone Structure and Pollutants Formation written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study is to investigate numerically the effects of strain rate, methane dilution by nitrogen, and air-side preheat on pollutant and molecular hydrogen production and the reaction zone structure during flameless and flame-based combustion in a non-premixed counter-flow geometry of diluted methane with preheat air. Fundamental flameless and lean flame-based combustion studies are useful in shedding light on their possible uses in fuel reforming, especially as it pertains to the production of cleaner fuels for fuel cell operation, or partial oxidation. The study centers on fuel concentrations from 5 to 15% (by volume) in intervals of 2% along with both varying inlet velocities (the relation to strain rate is described below) of 10 to 60 cm/s in intervals of 10 cm/s, and oxidizer preheat temperatures from 1100 to 2100 K in intervals of 200 K. The geometry is based on axisymmetric counterflow of fuel and oxidizer jets, which are separated by a distance of 5 cm at their inlets. Parametric studies of different fuel dilution rates show that NO[subscript x] mass fractions decrease with an increasing strain rate as well as decreasing fuel concentration in both flameless and flame-based combustion, while NO[subscript x] mass fractions increased with the air-side preheat temperature. The intermediate species, H2, is found to follow a similar trend to NO[subscript x] as preheat temperatures and fuel concentrations were increased; however, varying strain rate has little or no effect on H2 concentrations. The distinct differences in behavior between NO[subscript x] and H2 may be attributed primarily to the conflicting roles of strain in both increasing reactants? delivery to the reaction zone and its reduction of chemical residence time. Reaction flux analysis, which elucidates the chemical mechanisms governing the flameless and flame-based modes of burning concerning NO[subscript x], shows an important shift in the dominant mechanisms producing N.
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 Engineering Combustion Essentials by : David S-K. Ting
Download or read book Engineering Combustion Essentials written by David S-K. Ting and published by Cambridge Scholars Publishing. This book was released on 2018-09-30 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Whether in the Stone Age or in Greek mythology, fire has always been the essence of life. As G.G. Brown put it in 1928, “Combustion is without exaggeration the most important reaction to the human race. All human and animal existence depends upon combustion as its course of energy.” This book provides a detailed description of the elements of combustion, offering descriptive figures, illustrative quips, and analogies to facilitate understanding. It begins with some historical highlights of the understanding of combustion and technological progresses. It then discusses the thermodynamic and chemical kinetics underlying the fast chemical reactions, before expounding on the fundamental combustion wave, or flame. After this, the book moves onto the premixed turbulent flame and the spark-ignited turbulent flame, before considering the diffusion-controlled, non-premixed flame in both laminar and turbulent forms. The book concludes with explanations of wonderful natural combustion, fire, fire-retarding slime and DNA, and the amazing bombardier beetle.
Book Synopsis A Gallery of Combustion and Fire by : Charles E. Baukal, Jr.
Download or read book A Gallery of Combustion and Fire written by Charles E. Baukal, Jr. and published by Cambridge University Press. This book was released on 2020-09-03 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Gallery of Combustion and Fire is the first book to provide a graphical perspective of the extremely visual phenomenon of combustion in full color. It is designed primarily to be used in parallel with, and supplement existing combustion textbooks that are usually in black and white, making it a challenge to visualize such a graphic phenomenon. Each image includes a description of how it was generated, which is detailed enough for the expert but simple enough for the novice. Processes range from small scale academic flames up to full scale industrial flames under a wide range of conditions such as low and normal gravity, atmospheric to high pressures, actual and simulated flames, and controlled and uncontrolled flames. Containing over 500 color images, with over 230 contributors from over 75 organizations, this volume is a valuable asset for experts and novices alike.
Book Synopsis Oxyfuel Combustion for Clean Energy Applications by : Medhat A. Nemitallah
Download or read book Oxyfuel Combustion for Clean Energy Applications written by Medhat A. Nemitallah and published by Springer. This book was released on 2019-02-11 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book aims to be the reference book in the area of oxyfuel combustion, covering the fundamentals, design considerations and current challenges in the field. Its first part provides an overview of the greenhouse gas emission problem and the current carbon capture and sequestration technologies. The second part introduces oxy-fuel combustion technologies with emphasis on system efficiency, combustion and emission characteristics, applications and related challenges. The third part focuses on the recent developments in ion transport membranes and their performance in both oxygen separation units and oxygen transport reactors (OTRs). The fourth part presents novel approaches for clean combustion in gas turbines and boilers. Computational modelling and optimization of combustion in gas turbine combustors and boiler furnaces are presented in the fifth part with some numerical results and detailed analyses.
Download or read book Industrial Arts Index written by and published by . This book was released on 1923 with total page 1532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Challenges of Power Engineering and Environment by : Ke-fa Cen
Download or read book Challenges of Power Engineering and Environment written by Ke-fa Cen and published by Springer Science & Business Media. This book was released on 2009-03-27 with total page 1432 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the proceedings of the International Conference on Power Engineering-2007. The fields of this book include power engineering and relevant environmental issues. The recent technological advances in power engineering and related areas are introduced. This book is valuable for researchers, engineers and students majoring in power engineering.
Book Synopsis Flame Characteristics with High Temperature Air Combustion by : Ashwani K. Gupta
Download or read book Flame Characteristics with High Temperature Air Combustion written by Ashwani K. Gupta and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Turbulent Premixed Flames by : Nedunchezhian Swaminathan
Download or read book Turbulent Premixed Flames written by Nedunchezhian Swaminathan and published by Cambridge University Press. This book was released on 2011-04-25 with total page 447 pages. Available in PDF, EPUB and Kindle. Book excerpt: A work on turbulent premixed combustion is important because of increased concern about the environmental impact of combustion and the search for new combustion concepts and technologies. An improved understanding of lean fuel turbulent premixed flames must play a central role in the fundamental science of these new concepts. Lean premixed flames have the potential to offer ultra-low emission levels, but they are notoriously susceptible to combustion oscillations. Thus, sophisticated control measures are inevitably required. The editors' intent is to set out the modeling aspects in the field of turbulent premixed combustion. Good progress has been made on this topic, and this cohesive volume contains contributions from international experts on various subtopics of the lean premixed flame problem.
Book Synopsis Combustion for Power Generation and Transportation by : Avinash Kumar Agarwal
Download or read book Combustion for Power Generation and Transportation written by Avinash Kumar Agarwal and published by Springer. This book was released on 2017-01-20 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research monograph presents both fundamental science and applied innovations on several key and emerging technologies involving fossil and alternate fuel utilization in power and transport sectors from renowned experts in the field. Some of the topics covered include: autoignition in laminar and turbulent nonpremixed flames; Langevin simulation of turbulent combustion; lean blowout (LBO) prediction through symbolic time series analysis; lasers and optical diagnostics for next generation IC engine development; exergy destruction study on small DI diesel engine; and gasoline direct injection. The book includes a chapter on carbon sequestration and optimization of enhanced oil and gas recovery. The contents of this book will be useful to researchers and professionals working on all aspects on combustion.
Book Synopsis Perovskites and Related Mixed Oxides by : Pascal Granger
Download or read book Perovskites and Related Mixed Oxides written by Pascal Granger and published by John Wiley & Sons. This book was released on 2016-02-23 with total page 1050 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive handbook and ready reference details all the main achievements in the field of perovskite-based and related mixed-oxide materials. The authors discuss, in an unbiased manner, the potentials as well as the challenges related to their use, thus offering new perspectives for research and development on both an academic and industrial level. The first volume begins by summarizing the different synthesis routes from molten salts at high temperatures to colloidal crystal template methods, before going on to focus on the physical properties of the resulting materials and their related applications in the fields of electronics, energy harvesting, and storage as well as electromechanics and superconductivity. The second volume is dedicated to the catalytic applications of perovskites and related mixed oxides, including, but not limited to total oxidation of hydrocarbons, dry reforming of methane and denitrogenation. The concluding section deals with the development of chemical reactors and novel perovskite-based applications, such as fuel cells and high-performance ceramic membranes. Throughout, the contributions clearly point out the intimate links between structure, properties and applications of these materials, making this an invaluable tool for materials scientists and for catalytic and physical chemists.
