On The Interactions Of Sound Waves And Vortices
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| Author | : César Legendre |
| Publisher | : Lulu.com |
| Total Pages | : 378 |
| Release | : 2015-03-17 |
| Genre | : Science |
| ISBN | : 1326232851 |
The effects of vortical mean flows on the propagation of acoustic waves are numerous, from simple convection effects to instabilities in the acoustic phenomena, including absorption, reflection and refraction effects. Therefore, the role of vorticity in acoustic propagation besides noise generation has been a subject of controversial discussions since the foundation of aeroacoustics. In this work, a theoretical study with subsequent industrial applications has been performed, concerning the derivation of a family of scalar operators for aeroacoustics based in total enthalpy terms and including mean vorticity effects in the propagation.
| Author | : Y. Auregan |
| Publisher | : Springer |
| Total Pages | : 302 |
| Release | : 2007-06-18 |
| Genre | : Science |
| ISBN | : 3540458808 |
The coupling between acoustic waves and fluid flow motion is basically nonlinear, with the result that flow and sound modify themselves reciprocally with respect to generation and propagation properties. As a result this problem is investigated by many different communities, such as applied mathematics, acoustics and fluid mechanics. This book is the result of an international school which was held to discuss the foundation of sound--flow interactions, to share expertise and methodologies, and to promote cross-fertilization between the different disciplines involved. It consists essentially of a set of pedagogical lectures and is meant to serve not only as a compact source of reference for the experienced researcher but also as an advanced textbook for postgraduate students, and nonspecialists wishing to familiarize themselves in depth, at a research level, with this fascinating subject.
| Author | : Anatoli Tur |
| Publisher | : Springer |
| Total Pages | : 313 |
| Release | : 2017-04-09 |
| Genre | : Science |
| ISBN | : 3319527339 |
This monograph introduces readers to the hydrodynamics of vortex formation, and reviews the last decade of active research in the field, offering a unique focus on research topics at the crossroads of traditional fluids and plasmas. Vortices are responsible for the process of macroscopic transport of momentum, energy and mass, and are formed as the result of spontaneous self-organization. Playing an important role in nature and technology, localized, coherent vortices are regularly observed in shear flows, submerged jets, afterbody flows and in atmospheric boundary layers, sometimes taking on the form of vortex streets. In addition, the book addresses a number of open issues, including but not limited to: which singularities are permitted in a 2D Euler equation besides point vortices? Which other, even more complex, localized vortices could be contained in the Euler equation? How do point vortices interact with potential waves?
| Author | : |
| Publisher | : |
| Total Pages | : 892 |
| Release | : 1994 |
| Genre | : Aeronautics |
| ISBN | : |
| Author | : G. M. Faeth |
| Publisher | : AIAA |
| Total Pages | : 400 |
| Release | : 2003 |
| Genre | : Science |
| ISBN | : 9781563476433 |
Read it! Click on the paper titles below for a FREE preview of the content. This book contains papers written by the most remarkable minds in the field of aerospace over the past 60 years. It contains unusually significant papers that have appeared in the "AIAA Journal" and its predecessors ("Journal of Aeronautical Sciences, Journal of Aerospace Sciences, ARS Journal, ARS Bulletin, Astronautics, Journal of the American Rocket Society, " and "Jet Propulsion").
| Author | : Mohamed Hafez |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 456 |
| Release | : 2001-07-03 |
| Genre | : Computers |
| ISBN | : 9783540420538 |
This volume contains new trends of computational fluid dynamics for the 21st century and consists of papers especially useful to the younger generation of scientists and engineers in this field. Topics include cartesian, gridless and higher-order schemes, and flow-visualization techniques.
| Author | : Hector Perez-De-Tejada |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 282 |
| Release | : 2017-03-01 |
| Genre | : Science |
| ISBN | : 9535129430 |
The contents of the book cover topics on vortex dynamics in a variety of flow problems and describe observational measurements and their interpretation. The book contains 13 chapters that first include vortices in the earth and planetary sciences related to vortices in the Venus plasma wake and also on tropical cyclones and on rotating shallow water in the earth's atmosphere. Vortices in fluid problems include airplane wake vortices, vorticity evolution in free-shear flows, together with axisymmetric flows with swirl, as well as thermal conductivities in fluid layers. Vortices in relativistic fluids, in magnetic disks, solitons and vortices, and relaxation for point vortices were also examined. Other chapters describe conditions in a vortex bioreactor and in vortex yarn structures.
| Author | : Jan-Bert Flor |
| Publisher | : Springer |
| Total Pages | : 199 |
| Release | : 2010-06-01 |
| Genre | : Science |
| ISBN | : 364211587X |
Most well known structures in planetary atmospheres and the Earth’s oceans are jets or fronts interacting with vortices on a wide range of scales. The transition from one state to another, such as in unbalanced or adjustment flows, involves the generation of waves as well as the interaction of coherent structures with these waves. This book presents a fluid mechanics perspective to the dynamics of fronts and vortices and their interaction with waves in geophysical flows. It provides a basic physical background for modeling coherent structures in a geophysical context, and it gives essential information on advanced topics such as spontaneous wave emission and wavemomentum transfer in geophysical flows. Based on a set of lectures by leading specialists, this text is targeted at graduate students, researchers and engineers in geophysics and environmental fluid mechanics.
| Author | : Panayotis G. Kevrekidis |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 398 |
| Release | : 2007-12-29 |
| Genre | : Science |
| ISBN | : 3540735917 |
This book, written by experts in the fields of atomic physics and nonlinear science, covers the important developments in a special aspect of Bose-Einstein condensation, namely nonlinear phenomena in condensates. Topics covered include bright, dark, gap and multidimensional solitons; vortices; vortex lattices; optical lattices; multicomponent condensates; mathematical methods/rigorous results; and the beyond-the-mean-field approach.
| Author | : S.R. Bodner |
| Publisher | : Elsevier |
| Total Pages | : 492 |
| Release | : 2012-12-02 |
| Genre | : Science |
| ISBN | : 044460023X |
Contained in this volume are the full texts of the invited general and sectional lectures presented at this conference concerning mechanics and its development. The entire field of mechanics is covered, including analytical, solid and fluid mechanics and their applications. A brilliant survey of work in the fields of fluid and solid mechanics is also given. The papers are written by leading experts which is reflected in the quality and diversity of the lectures and posters presented, they will provide a valuable key to the latest and most important developments in the various sub-fields of mechanics.
