Stabilization and Dynamic of Premixed Swirling Flames Book

Stabilization and Dynamic of Premixed Swirling Flames


  • Author : Paul Palies
  • Publisher : Academic Press
  • Release Date : 2020-07-21
  • Genre: Technology & Engineering
  • Pages : 400
  • ISBN 10 : 9780128199961
  • Total Read : 59
  • File Size : 13,7 Mb

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Stabilization and Dynamic of Premixed Swirling Flames Summary:

Stabilization and Dynamic of Premixed Swirling Flames: Prevaporized, Stratified, Partially, and Fully Premixed Regimes focuses on swirling flames in various premixed modes (stratified, partially, fully, prevaporized) for the combustor, and development and design of current and future swirl-stabilized combustion systems. This includes predicting capabilities, modeling of turbulent combustion, liquid fuel modeling, and a complete overview of stabilization of these flames in aeroengines. The book also discusses the effects of the operating envelope on upstream fresh gases and the subsequent impact of flame speed, combustion, and mixing, the theoretical framework for flame stabilization, and fully lean premixed injector design. Specific attention is paid to ground gas turbine applications, and a comprehensive review of stabilization mechanisms for premixed, partially-premixed, and stratified premixed flames. The last chapter covers the design of a fully premixed injector for future jet engine applications. Features a complete view of the challenges at the intersection of swirling flame combustors, their requirements, and the physics of fluids at work Addresses the challenges of turbulent combustion modeling with numerical simulations Includes the presentation of the very latest numerical results and analyses of flashback, lean blowout, and combustion instabilities Covers the design of a fully premixed injector for future jet engine applications

Stabilization and Dynamic of Premixed Swirling Flames Book

Stabilization and Dynamic of Premixed Swirling Flames


  • Author : Paul Palies
  • Publisher : Academic Press
  • Release Date : 2020-07-03
  • Genre: Technology & Engineering
  • Pages : 400
  • ISBN 10 : 9780128199978
  • Total Read : 71
  • File Size : 6,7 Mb

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Stabilization and Dynamic of Premixed Swirling Flames Summary:

Stabilization and Dynamic of Premixed Swirling Flames: Prevaporized, Stratified, Partially, and Fully Premixed Regimes focuses on swirling flames in various premixed modes (stratified, partially, fully, prevaporized) for the combustor, and development and design of current and future swirl-stabilized combustion systems. This includes predicting capabilities, modeling of turbulent combustion, liquid fuel modeling, and a complete overview of stabilization of these flames in aeroengines. The book also discusses the effects of the operating envelope on upstream fresh gases and the subsequent impact of flame speed, combustion, and mixing, the theoretical framework for flame stabilization, and fully lean premixed injector design. Specific attention is paid to ground gas turbine applications, and a comprehensive review of stabilization mechanisms for premixed, partially-premixed, and stratified premixed flames. The last chapter covers the design of a fully premixed injector for future jet engine applications. Features a complete view of the challenges at the intersection of swirling flame combustors, their requirements, and the physics of fluids at work Addresses the challenges of turbulent combustion modeling with numerical simulations Includes the presentation of the very latest numerical results and analyses of flashback, lean blowout, and combustion instabilities Covers the design of a fully premixed injector for future jet engine applications

Advances in Synthesis Gas  Methods  Technologies and Applications Book

Advances in Synthesis Gas Methods Technologies and Applications


  • Author : Mohammad Reza Rahimpour
  • Publisher : Elsevier
  • Release Date : 2022-10-28
  • Genre: Technology & Engineering
  • Pages : 560
  • ISBN 10 : 9780323985215
  • Total Read : 94
  • File Size : 10,8 Mb

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Advances in Synthesis Gas Methods Technologies and Applications Summary:

Advances in Synthesis Gas: Methods, Technologies and Applications: Syngas Process Modelling and Apparatus Simulation consists of numerical modeling and simulation of different processes and apparatus for producing syngas, purifying it as well as synthesizing different chemical materials or generating heat and energy from syngas. These apparatus and processes include, but are not limited to, reforming, gasification, partial oxidation, swing technologies and membranes. Introduces numerical modeling and the simulation of syngas production processes and apparatus Describes numerical models and simulation procedures utilized for syngas purification processes and equipment Discusses modelling and simulation of processes using syngas as a source for producing chemicals and power

Approaches for Clean Combustion in Gas Turbines Book

Approaches for Clean Combustion in Gas Turbines


  • Author : Medhat A. Nemitallah
  • Publisher : Springer Nature
  • Release Date : 2020-03-24
  • Genre: Technology & Engineering
  • Pages : 417
  • ISBN 10 : 9783030440770
  • Total Read : 96
  • File Size : 15,7 Mb

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Approaches for Clean Combustion in Gas Turbines Summary:

This book focuses on the development of novel combustion approaches and burner designs for clean power generation in gas turbines. It shows the reader how to control the release of pollutants to the environment in an effort to reduce global warming. After an introduction to global warming issues and clean power production for gas turbine applications, subsequent chapters address premixed combustion, burner designs for clean power generation, gas turbine performance, and insights on gas turbine operability. Given its scope, the book can be used as a textbook for graduate-level courses on clean combustion, or as a reference book to accompany compact courses for mechanical engineers and young researchers around the world.

Flashback Mechanisms in Lean Premixed Gas Turbine Combustion Book
Score: 5
From 1 Ratings

Flashback Mechanisms in Lean Premixed Gas Turbine Combustion


  • Author : Ali Cemal Benim
  • Publisher : Academic Press
  • Release Date : 2014-12-01
  • Genre: Technology & Engineering
  • Pages : 134
  • ISBN 10 : 9780128008263
  • Total Read : 61
  • File Size : 10,9 Mb

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Flashback Mechanisms in Lean Premixed Gas Turbine Combustion Summary:

Blending fuels with hydrogen offers the potential to reduce NOx and CO2 emissions in gas turbines, but doing so introduces potential new problems such as flashback. Flashback can lead to thermal overload and destruction of hardware in the turbine engine, with potentially expensive consequences. The little research on flashback that is available is fragmented. Flashback Mechanisms in Lean Premixed Gas Turbine Combustion by Ali Cemal Benim will address not only the overall issue of the flashback phenomenon, but also the issue of fragmented and incomplete research. Presents a coherent review of flame flashback (a classic problem in premixed combustion) and its connection with the growing trend of popularity of more-efficient hydrogen-blend fuels Begins with a brief review of industrial gas turbine combustion technology Covers current environmental and economic motivations for replacing natural gas with hydrogen-blend fuels

Turbulent Premixed Flames Book

Turbulent Premixed Flames


  • Author : Nedunchezhian Swaminathan
  • Publisher : Cambridge University Press
  • Release Date : 2011-04-25
  • Genre: Technology & Engineering
  • Pages : null
  • ISBN 10 : 9781139498586
  • Total Read : 83
  • File Size : 9,8 Mb

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Turbulent Premixed Flames Summary:

A work on turbulent premixed combustion is timely 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 recently on this topic. Thus, it is timely to edit a cohesive volume containing contributions from international experts on various subtopics of the lean premixed flame problem.

Flow Induced Vibration Book

Flow Induced Vibration


  • Author : S. Ziada
  • Publisher : CRC Press
  • Release Date : 2000-01-01
  • Genre: Science
  • Pages : 862
  • ISBN 10 : 9781482283747
  • Total Read : 66
  • File Size : 16,9 Mb

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Flow Induced Vibration Summary:

Flow-induced vibrations and noise continue to cause problems in a wide range of engineering applications ranging from civil engineering and marine structures to power generation and chemical processing. These proceedings bring together more than a hundred papers dealing with a variety of topics relating to flow-induced vibration and noise. The cont

Combustion Noise Book

Combustion Noise


  • Author : Anna Schwarz
  • Publisher : Springer Science & Business Media
  • Release Date : 2009-06-17
  • Genre: Technology & Engineering
  • Pages : 291
  • ISBN 10 : 9783642020384
  • Total Read : 66
  • File Size : 5,7 Mb

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Combustion Noise Summary:

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.