Chemical Acoustic Interactions In Combustion Systems

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Chemical-Acoustic Interactions in Combustion Systems

Author : E. S. Oran
Publisher :
ISBN 13 :
Total Pages : 69 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Chemical-Acoustic Interactions in Combustion Systems by : E. S. Oran

Download or read book Chemical-Acoustic Interactions in Combustion Systems written by E. S. Oran and published by . This book was released on 1985 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: A review is presented of chemical-acoustic coupling in terms of its role as a basic interaction which can alter the behavior of combustion systems. Effects resulting from this interaction include sound amplification, changes in sound speed and frequency, sound-induced changes in reaction rates, and acoustic stimulation of chemical oscillation and instabilities. Such effects are important in a variety of problems including combustion instability in jet and rocket engines, the structure of propagating detonations, and turbulence in chemically reacting flows. Background material is presented starting with the early work Lord Raleigh and continuing into a discussion of the relevant properties of sound waves. This leads to a discussion of the influence of energy release on sound waves and the influence of sound waves on chemical reactions. The conclusion is a discussion of chemical-acoustic coupling in combustion environments.

Review of Combustion-acoustic Instabilities

Author : Ayo Oyediran
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Review of Combustion-acoustic Instabilities by : Ayo Oyediran

Download or read book Review of Combustion-acoustic Instabilities written by Ayo Oyediran and published by . This book was released on 1995 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Role of Acoustics in Flame/vortex Interactions

Author : Institute for Computer Applications in Science and Engineering
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Role of Acoustics in Flame/vortex Interactions by : Institute for Computer Applications in Science and Engineering

Download or read book Role of Acoustics in Flame/vortex Interactions written by Institute for Computer Applications in Science and Engineering and published by . This book was released on 1993 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dynamics of Exothermicity

Author : Brian Bowen
Publisher : CRC Press
ISBN 13 : 9782884491709
Total Pages : 410 pages
Book Rating : 4.4/5 (917 download)

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Book Synopsis Dynamics of Exothermicity by : Brian Bowen

Download or read book Dynamics of Exothermicity written by Brian Bowen and published by CRC Press. This book was released on 1996-09-15 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covering the dynamics of reactive systems and of explosions, the 15 papers discuss the treatment of turbulent mixing in reactive systems, acoustic interactions with combustion fields, liquid atomization, soot formation, practical applications of combustion in waste incineration and pulse jet ignition in internal combustion engines, detonations phenomena, and mixing effects in explosions. Includes six color plates. No index. Annotation copyrighted by Book News, Inc., Portland, OR

The John Zink Hamworthy Combustion Handbook, Second Edition

Author : Charles E. Baukal, Jr.
Publisher : CRC Press
ISBN 13 : 143983962X
Total Pages : 652 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis The John Zink Hamworthy Combustion Handbook, Second Edition by : Charles E. Baukal, Jr.

Download or read book The John Zink Hamworthy Combustion Handbook, Second Edition written by Charles E. Baukal, Jr. and published by CRC Press. This book was released on 2012-12-13 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite the length of time it has been around, its importance, and vast amounts of research, combustion is still far from being completely understood. Environmental, cost, and fuel consumption issues add further complexity, particularly in the process and power generation industries. Dedicated to advancing the art and science of industrial combustion, The John Zink Hamworthy Combustion Handbook, Second Edition: Volume One – Fundamentals gives you a strong understanding of the basic concepts and theory. Under the leadership of Charles E. Baukal, Jr., top combustion engineers and technologists from John Zink Hamworthy Combustion examine the interdisciplinary fundamentals—including chemistry, fluid flow, and heat transfer—as they apply to industrial combustion. What’s New in This Edition Expanded to three volumes, with Volume One focusing on fundamentals Extensive updates and revisions throughout Updated information on HPI/CPI industries, including alternative fuels, advanced refining techniques, emissions standards, and new technologies Expanded coverage of the physical and chemical principles of combustion New practices in coal combustion, such as gasification The latest developments in cold-flow modeling, CFD-based modeling, and mathematical modeling Greater coverage of pollution emissions and NOx reduction techniques New material on combustion diagnostics, testing, and training More property data useful for the design and operation of combustion equipment Coverage of technologies such as metallurgy, refractories, blowers, and vapor control equipment Now expanded to three volumes, the second edition of the bestselling The John Zink Combustion Handbook continues to provide the comprehensive coverage, up-to-date information, and visual presentation that made the first edition an industry standard. Featuring color illustrations and photographs throughout, Volume One: Fundamentals helps you broaden your understanding of industrial combustion to better meet the challenges of this field. For the other volumes in the set, see The John Zink Hamworthy Combustion Handbook, Second Edition: Three-Volume Set.

The John Zink Hamworthy Combustion Handbook

Author : Charles E. Baukal Jr.
Publisher : CRC Press
ISBN 13 : 1439839638
Total Pages : 639 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis The John Zink Hamworthy Combustion Handbook by : Charles E. Baukal Jr.

Download or read book The John Zink Hamworthy Combustion Handbook written by Charles E. Baukal Jr. and published by CRC Press. This book was released on 2012-12-13 with total page 639 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite the length of time it has been around, its importance, and vast amounts of research, combustion is still far from being completely understood. Environmental, cost, and fuel consumption issues add further complexity, particularly in the process and power generation industries. Dedicated to advancing the art and science of industrial combusti

The Coen & Hamworthy Combustion Handbook

Author : Stephen Londerville
Publisher : CRC Press
ISBN 13 : 143987333X
Total Pages : 565 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis The Coen & Hamworthy Combustion Handbook by : Stephen Londerville

Download or read book The Coen & Hamworthy Combustion Handbook written by Stephen Londerville and published by CRC Press. This book was released on 2013-03-25 with total page 565 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rigorous treatment of combustion can be so complex that the kinetic variables, fluid turbulence factors, luminosity, and other factors cannot be defined well enough to find realistic solutions. Simplifying the processes, The Coen & Hamworthy Combustion Handbook provides practical guidance to help you make informed choices about fuels, burners, and associated combustion equipment—and to clearly understand the impacts of the many variables. Editors Stephen B. Londerville and Charles E. Baukal, Jr, top combustion experts from John Zink Hamworthy Combustion and the Coen Company, supply a thorough, state-of-the-art overview of boiler burners that covers Coen, Hamworthy, and Todd brand boiler burners. A Refresher in Fundamentals and State-of-the-Art Solutions for Combustion System Problems Roughly divided into two parts, the book first reviews combustion engineering fundamentals. It then uses a building-block approach to present specific computations and applications in industrial and utility combustion systems, including those for Transport and introduction of fuel and air to a system Safe monitoring of the combustion system Control of flows and operational parameters Design of a burner/combustion chamber to achieve performance levels for emissions and heat transfer Avoidance of excessive noise and vibration and the extension of equipment life under adverse conditions Coverage includes units, fluids, chemistry, and heat transfer, as well as atomization, computational fluid dynamics (CFD), noise, auxiliary support equipment, and the combustion of gaseous, liquid, and solid fuels. Significant attention is also given to the formation, reduction, and prediction of emissions from combustion systems. Each chapter builds from the simple to the more complex and contains a wealth of practical examples and full-color photographs and illustrations. Practical Computations and Applications for Industrial and Utility Combustion Systems A ready reference and refresher, this unique handbook is designed for anyone involved in combustion equipment selection, sizing, and emissions control. It will help you make calculations and decisions on design features, fuel choices, emissions, controls, burner selection, and burner/furnace combinations with more confidence.

Thermoacoustic Combustion Instability Control

Author : Dan Zhao
Publisher : Academic Press
ISBN 13 : 0323899188
Total Pages : 1145 pages
Book Rating : 4.3/5 (238 download)

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Book Synopsis Thermoacoustic Combustion Instability Control by : Dan Zhao

Download or read book Thermoacoustic Combustion Instability Control written by Dan Zhao and published by Academic Press. This book was released on 2023-02-13 with total page 1145 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermoacoustic Combustion Instability Control: Engineering Applications and Computer Codes provides a unique opportunity for researchers, students and engineers to access recent developments from technical, theoretical and engineering perspectives. The book is a compendium of the most recent advances in theoretical and computational modeling and the thermoacoustic instability phenomena associated with multi-dimensional computing methods and recent developments in signal-processing techniques. These include, but are not restricted to a real-time observer, proper orthogonal decomposition (POD), dynamic mode decomposition, Galerkin expansion, empirical mode decomposition, the Lattice Boltzmann method, and associated numerical and analytical approaches. The fundamental physics of thermoacoustic instability occurs in both macro- and micro-scale combustors. Practical methods for alleviating common problems are presented in the book with an analytical approach to arm readers with the tools they need to apply in their own industrial or research setting. Readers will benefit from practicing the worked examples and the training provided on computer coding for combustion technology to achieve useful results and simulations that advance their knowledge and research. Focuses on applications of theoretical and numerical modes with computer codes relevant to combustion technology Includes the most recent modeling and analytical developments motivated by empirical experimental observations in a highly visual way Provides self-contained chapters that include a comprehensive, introductory section that ensures any readers new to this topic are equipped with required technical terms

Combustion Noise

Author : Anna Schwarz
Publisher : Springer Science & Business Media
ISBN 13 : 3642020380
Total Pages : 304 pages
Book Rating : 4.6/5 (42 download)

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Book Synopsis Combustion Noise by : Anna Schwarz

Download or read book Combustion Noise written by Anna Schwarz and published by Springer Science & Business Media. This book was released on 2009-06-17 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: November, 2008 Anna Schwarz, Johannes Janicka In the last thirty years noise emission has developed into a topic of increasing importance to society and economy. In ?elds such as air, road and rail traf?c, the control of noise emissions and development of associated noise-reduction techno- gies is a central requirement for social acceptance and economical competitiveness. The noise emission of combustion systems is a major part of the task of noise - duction. The following aspects motivate research: • Modern combustion chambers in technical combustion systems with low pol- tion exhausts are 5 - 8 dB louder compared to their predecessors. In the ope- tional state the noise pressure levels achieved can even be 10-15 dB louder. • High capacity torches in the chemical industry are usually placed at ground level because of the reasons of noise emissions instead of being placed at a height suitable for safety and security. • For airplanes the combustion emissions become a more and more important topic. The combustion instability and noise issues are one major obstacle for the introduction of green technologies as lean fuel combustion and premixed burners in aero-engines. The direct and indirect contribution of combustion noise to the overall core noise is still under discussion. However, it is clear that the core noise besides the fan tone will become an important noise source in future aero-engine designs. To further reduce the jet noise, geared ultra high bypass ratio fans are driven by only a few highly loaded turbine stages.

Thermoacoustic Instability

Author : R. I. Sujith
Publisher : Springer Nature
ISBN 13 : 3030811352
Total Pages : 484 pages
Book Rating : 4.0/5 (38 download)

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Book Synopsis Thermoacoustic Instability by : R. I. Sujith

Download or read book Thermoacoustic Instability written by R. I. Sujith and published by Springer Nature. This book was released on 2021-12-14 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book systematically presents the consolidated findings of the phenomenon of self-organization observed during the onset of thermoacoustic instability using approaches from dynamical systems and complex systems theory. Over the last decade, several complex dynamical states beyond limit cycle oscillations such as quasiperiodicity, frequency-locking, period-n, chaos, strange non-chaos, and intermittency have been discovered in thermoacoustic systems operated in laminar and turbulent flow regimes. During the onset of thermoacoustic instability in turbulent systems, an ordered acoustic field and large coherent vortices emerge from the background of turbulent combustion. This emergence of order from disorder in both temporal and spatiotemporal dynamics is explored in the contexts of synchronization, pattern formation, collective interaction, multifractality, and complex networks. For the past six decades, the spontaneous emergence of large amplitude, self-sustained, tonal oscillations in confined combustion systems, characterized as thermoacoustic instability, has remained one of the most challenging areas of research. The presence of such instabilities continues to hinder the development and deployment of high-performance combustion systems used in power generation and propulsion applications. Even with the advent of sophisticated measurement techniques to aid experimental investigations and vast improvements in computational power necessary to capture flow physics in high fidelity simulations, conventional reductionist approaches have not succeeded in explaining the plethora of dynamical behaviors and the associated complexities that arise in practical combustion systems. As a result, models and theories based on such approaches are limited in their application to mitigate or evade thermoacoustic instabilities, which continue to be among the biggest concerns for engine manufacturers today. This book helps to overcome these limitations by providing appropriate methodologies to deal with nonlinear thermoacoustic oscillations, and by developing control strategies that can mitigate and forewarn thermoacoustic instabilities. The book is also beneficial to scientists and engineers studying the occurrence of several other instabilities, such as flow-induced vibrations, compressor surge, aeroacoustics and aeroelastic instabilities in diverse fluid-mechanical environments, to graduate students who intend to apply dynamical systems and complex systems approach to their areas of research, and to physicists who look for experimental applications of their theoretical findings on nonlinear and complex systems.

Technology Innovation in Mechanical Engineering

Author : Prem Kumar Chaurasiya
Publisher : Springer Nature
ISBN 13 : 9811679096
Total Pages : 1028 pages
Book Rating : 4.8/5 (116 download)

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Book Synopsis Technology Innovation in Mechanical Engineering by : Prem Kumar Chaurasiya

Download or read book Technology Innovation in Mechanical Engineering written by Prem Kumar Chaurasiya and published by Springer Nature. This book was released on 2022-04-29 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises select papers presented at the conference on Technology Innovation in Mechanical Engineering (TIME-2021). The book discusses the latest innovation and advanced research in the diverse field of Mechanical Engineering such as materials, manufacturing processes, evaluation of materials properties for the application in automotive, aerospace, marine, locomotive and energy sectors. The topics covered include advanced metal forming, Energy Efficient systems, Material Characterization, Advanced metal forming, bending, welding & casting techniques, Composite and Polymer Manufacturing, Intermetallics, Future generation materials, Laser Based Manufacturing, High-Energy Beam Processing, Nano materials, Smart Material, Super Alloys, Powder Metallurgy and Ceramic Forming, Aerodynamics, Biological Heat & Mass Transfer, Combustion & Propulsion, Cryogenics, Fire Dynamics, Refrigeration & Air Conditioning, Sensors and Transducers, Turbulent Flows, Reactive Flows, Numerical Heat Transfer, Phase Change Materials, Micro- and Nano-scale Transport, Multi-phase Flows, Nuclear & Space Applications, Flexible Manufacturing Technology & System, Non-Traditional Machining processes, Structural Strength and Robustness, Vibration, Noise Analysis and Control, Tribology. In addition, it discusses industrial applications and cover theoretical and analytical methods, numerical simulations and experimental techniques in the area of Mechanical Engineering. The book will be helpful for academics, including graduate students and researchers, as well as professionals interested in interdisciplinary topics in the areas of materials, manufacturing, and energy sectors.

Unsteady Combustion

Author : F. Culick
Publisher : Springer Science & Business Media
ISBN 13 : 9400916205
Total Pages : 560 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Unsteady Combustion by : F. Culick

Download or read book Unsteady Combustion written by F. Culick and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains selected papers prepared for the NATO Advanced Study Institute on "Unsteady Combustion", which was held in Praia da Granja, Portugal, 6-17 September 1993. Approximately 100 delegates from 14 countries attended. The Institute was the most recent in a series beginning with "Instrumentation for Combustion and Flow in Engines", held in Vimeiro, Portugal 1987 and followed by "Combusting Flow Diagnostics" conducted in Montechoro, Portugal in 1990. Together, these three Institutes have covered a wide range of experimental and theoretical topics arising in the research and development of combustion systems with particular emphasis on gas-turbine combustors and internal combustion engines. The emphasis has evolved roughly from instrumentation and experimental techniques to the mixture of experiment, theory and computational work covered in the present volume. As the title of this book implies, the chief aim of this Institute was to provide a broad sampling of problems arising with time-dependent behaviour in combustors. In fact, of course, that intention encompasses practically all possibilities, for "steady" combustion hardly exists if one looks sufficiently closely at the processes in a combustion chamber. The point really is that, apart from the excellent paper by Bahr (Chapter 10) discussing the technology of combustors for aircraft gas turbines, little attention is directed to matters of steady performance. The volume is divided into three parts devoted to the subjects of combustion-induced oscillations; combustion in internal combustion engines; and experimental techniques and modelling.

Numerical Studies of Acoustic Interactions with Spray Combustion

Author : M. Z. Pindera
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Numerical Studies of Acoustic Interactions with Spray Combustion by : M. Z. Pindera

Download or read book Numerical Studies of Acoustic Interactions with Spray Combustion written by M. Z. Pindera and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applied Mechanics Reviews

Author :
Publisher :
ISBN 13 :
Total Pages : 620 pages
Book Rating : 4.:/5 (26 download)

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Book Synopsis Applied Mechanics Reviews by :

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1974 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fossil Energy Update

Author :
Publisher :
ISBN 13 :
Total Pages : 936 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Fossil Energy Update by :

Download or read book Fossil Energy Update written by and published by . This book was released on 1986 with total page 936 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Interaction of Acoustic Waves with the Burning Surface of Condensed Systems

Author : S. S. Novikov
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis The Interaction of Acoustic Waves with the Burning Surface of Condensed Systems by : S. S. Novikov

Download or read book The Interaction of Acoustic Waves with the Burning Surface of Condensed Systems written by S. S. Novikov and published by . This book was released on 1969 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: The problem of the acoustic admittance of burning surfaces of condensed explosives and the effect of reflected sound waves on the combustion stability were studied theoretically. The exothermic reaction in the condensed phase, its effect on the burning velocity, and the change in the condensed phase surface temperature under nonsteady-state conditions were taken into account. A theoretical model of the combustion process was used in which the burning zone consisted of 5 regions: a heating region in the condensed phase without a chemical reaction, a chemical reaction region in the condensed phase, a heating region of the gas phase also without a chemical reaction, a chemical reaction region in the gas phase, and a region with gaseous combustion products. Equations describing the linear perturbation of the combustion parameters in regions 1-4 at a harmonic pressure change were derived. (Author).