An Analytical Mechanics Framework For Flow Oscillator Modeling Of Vortex Induced Bluff Body Oscillations
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An Analytical Mechanics Framework For Flow Oscillator Modeling Of Vortex Induced Bluff Body Oscillations
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Author : Sohrob Mottaghi
language : en
Publisher: Springer
Release Date : 2019-08-08
An Analytical Mechanics Framework For Flow Oscillator Modeling Of Vortex Induced Bluff Body Oscillations written by Sohrob Mottaghi and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-08 with Technology & Engineering categories.
This self-contained book provides an introduction to the flow-oscillator modeling of vortex-induced bluff-body oscillations. One of the great challenges in engineering science also happens to be one of engineering design – the modeling, analysis and design of vibrating structures driven by fluid motion. The literature on fluid–structure interaction is vast, and it can be said to comprise a large fraction of all papers published in the mechanical sciences. This book focuses on the vortex-induced oscillations of an immersed body, since, although the importance of the subject has long been known, it is only during the past fifty years that there have been concerted efforts to analytically model the general behavior of the coupling between vortex shedding and structural oscillations. At the same time, experimentalists have been gathering data on such interactions in order to help define the various regimes of behavior. This data is critical to our understanding and to those who develop analytical models, as can be seen in this book. The fundamental bases for the modeling developed in this book are the variational principles of analytical dynamics, in particular Hamilton’s principle and Jourdain’s principle, considered great intellectual achievements on par with Newton’s laws of motion. Variational principles have been applied in numerous disciplines, including dynamics, optics and quantum mechanics. Here, we apply variational principles to the development of a framework for the modeling of flow-oscillator models of vortex-induced oscillations.
Piezoelectric Energy Harvesting
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Author : Alper Erturk
language : en
Publisher: John Wiley & Sons
Release Date : 2011-04-04
Piezoelectric Energy Harvesting written by Alper Erturk and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-04 with Technology & Engineering categories.
The transformation of vibrations into electric energy through the use of piezoelectric devices is an exciting and rapidly developing area of research with a widening range of applications constantly materialising. With Piezoelectric Energy Harvesting, world-leading researchers provide a timely and comprehensive coverage of the electromechanical modelling and applications of piezoelectric energy harvesters. They present principal modelling approaches, synthesizing fundamental material related to mechanical, aerospace, civil, electrical and materials engineering disciplines for vibration-based energy harvesting using piezoelectric transduction. Piezoelectric Energy Harvesting provides the first comprehensive treatment of distributed-parameter electromechanical modelling for piezoelectric energy harvesting with extensive case studies including experimental validations, and is the first book to address modelling of various forms of excitation in piezoelectric energy harvesting, ranging from airflow excitation to moving loads, thus ensuring its relevance to engineers in fields as disparate as aerospace engineering and civil engineering. Coverage includes: Analytical and approximate analytical distributed-parameter electromechanical models with illustrative theoretical case studies as well as extensive experimental validations Several problems of piezoelectric energy harvesting ranging from simple harmonic excitation to random vibrations Details of introducing and modelling piezoelectric coupling for various problems Modelling and exploiting nonlinear dynamics for performance enhancement, supported with experimental verifications Applications ranging from moving load excitation of slender bridges to airflow excitation of aeroelastic sections A review of standard nonlinear energy harvesting circuits with modelling aspects.
Proceedings Of The 5th International Symposium On Fluid Structure Interaction Aeroelasticity Flow Induced Vibration And Noise
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Author : M. P. Paidoussis
language : en
Publisher:
Release Date : 2002
Proceedings Of The 5th International Symposium On Fluid Structure Interaction Aeroelasticity Flow Induced Vibration And Noise written by M. P. Paidoussis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Aeroelasticity categories.
Proceedings Of The 5th International Symposium On Fluid Structure Interactions Aeroelasticity Flow Induced Vibration And Noise
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Author : M. P. Paidoussis
language : en
Publisher:
Release Date : 2002
Proceedings Of The 5th International Symposium On Fluid Structure Interactions Aeroelasticity Flow Induced Vibration And Noise written by M. P. Paidoussis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Aeroelasticity categories.
Petroleum Abstracts
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Author :
language : en
Publisher:
Release Date : 1992
Petroleum Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Petroleum categories.
Applied Mechanics Reviews
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Author :
language : en
Publisher:
Release Date : 1994
Applied Mechanics Reviews written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Mechanics, Applied categories.
Hydrodynamics Around Cylindrical Structures
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Author : Jorgen Fredsoe
language : en
Publisher: World Scientific
Release Date : 1997-03-17
Hydrodynamics Around Cylindrical Structures written by Jorgen Fredsoe and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-03-17 with categories.
This book discusses the subject of wave/current flow around a cylinder, the forces induced on the cylinder by the flow, and the vibration pattern of slender structures in a marine environment.The primary aim of the book is to describe the flow pattern and the resulting load which develops when waves or current meet a cylinder. Attention is paid to the special case of a circular cylinder. The development in the forces is related to the various flow patterns and is discussed in detail. Regular as well as irregular waves are considered, and special cases like wall proximities (pipelines) are also investigated.The book is intended for MSc students with some experience in basic fluid mechanics and for PhD students.
Forum On Unsteady Flow
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Author :
language : en
Publisher:
Release Date : 1993
Forum On Unsteady Flow written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Hydraulic transients categories.
Thermoacoustic Instability
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Author : R. I. Sujith
language : en
Publisher: Springer Nature
Release Date : 2021-12-14
Thermoacoustic Instability written by R. I. Sujith and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-14 with Science categories.
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.
Theory Of Wing Sections
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Author : Ira H. Abbott
language : en
Publisher: Courier Corporation
Release Date : 2012-04-26
Theory Of Wing Sections written by Ira H. Abbott and has been published by Courier Corporation this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-04-26 with Technology & Engineering categories.
Concise compilation of subsonic aerodynamic characteristics of NACA wing sections, plus description of theory. 350 pages of tables.