LES and DNS of Ignition Process and Complex Structure Flames with Local Extinction

LES and DNS of Ignition Process and Complex Structure Flames with Local Extinction
Title LES and DNS of Ignition Process and Complex Structure Flames with Local Extinction PDF eBook
Author Chris Lacor
Publisher American Inst. of Physics
Pages 158
Release 2009-12-21
Genre Technology & Engineering
ISBN 9780735407268

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The Workshop proceedings cover recent models of turbulence/combustion interaction applicable to ignition/extinction phenomena. These are precisely validated experimentally in academic set-ups with simple geometry. The theory and numerical implementation of Conditional Moment Closure and Eulerian Stochastic Field approaches are discussed in the context of Large-Eddy Simulation, with exemplary application to ignition modeling. In addition, te methodology proposed for the industrial design of combustion systems in aeroengines is presented.

Advanced Turbulent Combustion Physics and Applications

Advanced Turbulent Combustion Physics and Applications
Title Advanced Turbulent Combustion Physics and Applications PDF eBook
Author N. Swaminathan
Publisher Cambridge University Press
Pages 485
Release 2022-01-06
Genre Science
ISBN 1108497969

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Explore a thorough overview of the current knowledge, developments and outstanding challenges in turbulent combustion and application.

Modeling and Simulation of Turbulent Mixing and Reaction

Modeling and Simulation of Turbulent Mixing and Reaction
Title Modeling and Simulation of Turbulent Mixing and Reaction PDF eBook
Author Daniel Livescu
Publisher Springer Nature
Pages 273
Release 2020-02-19
Genre Technology & Engineering
ISBN 9811526435

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This book highlights recent research advances in the area of turbulent flows from both industry and academia for applications in the area of Aerospace and Mechanical engineering. Contributions include modeling, simulations and experiments meant for researchers, professionals and students in the area.

Detection of Local Extinction and Re-ignition in Non-premixed Ethylene-air Flames Using Chemical Explosive Mode Analysis

Detection of Local Extinction and Re-ignition in Non-premixed Ethylene-air Flames Using Chemical Explosive Mode Analysis
Title Detection of Local Extinction and Re-ignition in Non-premixed Ethylene-air Flames Using Chemical Explosive Mode Analysis PDF eBook
Author Cong Li
Publisher
Pages 0
Release 2015
Genre
ISBN

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Turbulent Premixed Flames

Turbulent Premixed Flames
Title Turbulent Premixed Flames PDF eBook
Author Nedunchezhian Swaminathan
Publisher Cambridge University Press
Pages 447
Release 2011-04-25
Genre Technology & Engineering
ISBN 1139498584

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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.

Turbulent Combustion

Turbulent Combustion
Title Turbulent Combustion PDF eBook
Author Norbert Peters
Publisher Cambridge University Press
Pages 322
Release 2000-08-15
Genre Science
ISBN 1139428063

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The combustion of fossil fuels remains a key technology for the foreseeable future. It is therefore important that we understand the mechanisms of combustion and, in particular, the role of turbulence within this process. Combustion always takes place within a turbulent flow field for two reasons: turbulence increases the mixing process and enhances combustion, but at the same time combustion releases heat which generates flow instability through buoyancy, thus enhancing the transition to turbulence. The four chapters of this book present a thorough introduction to the field of turbulent combustion. After an overview of modeling approaches, the three remaining chapters consider the three distinct cases of premixed, non-premixed, and partially premixed combustion, respectively. This book will be of value to researchers and students of engineering and applied mathematics by demonstrating the current theories of turbulent combustion within a unified presentation of the field.

Combustion and Mass Transfer

Combustion and Mass Transfer
Title Combustion and Mass Transfer PDF eBook
Author D Brian Spalding
Publisher Elsevier
Pages 419
Release 2013-10-22
Genre Technology & Engineering
ISBN 1483136353

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Combustion and Mass Transfer: A Textbook with Multiple-Choice Exercises for Engineering Students is a 20-chapter lecture text that covers various aspects of combustion and mass transfer. Each of the 20 chapters is provided with a set partly analytical and multiple-choice tutorial exercises, designed to assist the student to understand the material of the lectures. The opening chapters deal with the importance of combustion and mass transfer processes. The succeeding chapters survey the concepts and principles of droplet vaporization, droplet combustion, liquid-propellant rocket, and laminar and turbulent jet. These topics are followed by discussions of laminar and turbulent diffusion flame, kinetically-influenced phenomena, chemical kinetics, and spontaneous ignition. The remaining chapters consider the basic concepts of stirred reactor, flame stabilization, laminar flame propagation, spark ignition, and coal-particle combustion. This book is intended for undergraduate mechanical engineering students.