Thermoacoustic instability : a complex systems perspective / R.I. Sujith, Samadhan A. Pawar.
Sujith, R. I., author.; Pawar, Samadhan A., author.
2021
TA357 .S85 2021
Available Online

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Title Thermoacoustic instability : a complex systems perspective / R.I. Sujith, Samadhan A. Pawar.
Author Sujith, R. I., author.
ISBN 9783030811358 (electronic bk.)
3030811352 (electronic bk.)
9783030811341
3030811344
DOI https://doi.org/10.1007/978-3-030-81135-8
Published Cham : Springer, [2021]
Copyright ©2021
Language English
Description 1 online resource
Other Standard Identifiers 10.1007/978-3-030-81135-8 doi
Call Number TA357 .S85 2021
Dewey Decimal Classification 620.1/064
Summary 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.
Bibliography, etc. Note Includes bibliographical references and index.
Access Note Access limited to authorized users.
Digital File Characteristics text file
PDF
Source of Description Online resource; title from PDF title page (SpringerLink, viewed December 28, 2021).
Added Author Pawar, Samadhan A., author.
Series Springer series in synergetics (Unnumbered)
Available in Other Form Thermoacoustic instability.
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Introduction
Introduction to Dynamical Systems Theory
Bifurcation to Limit Cycle Oscillations in Laminar Thermoacoustic Systems
Thermoacoustic Instability: Beyond Limit Cycle Oscillations
Thermoacoustic Instability is Self-Organization in a Complex System
Intermittency
A State Precedes Thermoacoustic Blowout in Turbulent Combustors
Spatiotemporal Dynamics of Flow, Flame, and Acoustic Fields during the Onset of Thermoacoustic Instability
Synchronization of Self-excited Acoustics and Turbulent Reacting Flow Dynamics
Model for Intermittency Route to Thermoacoustic Instability
Multifractal Analysis of a Turbulent Thermoacoustic System
Complex Network Approach to Thermoacoustic Systems
Early Warning and Mitigation Strategies for Thermoacoustic Instability
Oscillatory Instabilities in Other Fluid Systems
Summary and Perspective.

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