The Propagation Of Sound Waves Modified By A Shear Flow
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Propagation Of Waves In Shear Flows
Author | : A L Fabrikant |
Publisher | : World Scientific |
Total Pages | : 305 |
Release | : 1998-10-20 |
Genre | : Science |
ISBN | : 981450128X |
The state of the art in a theory of oscillatory and wave phenomena in hydrodynamical flows is presented in this book. A unified approach is used for waves of different physical origins. A characteristic feature of this approach is that hydrodynamical phenomena are considered in terms of physics; that is, the complement of the conventionally employed formal mathematical approach. Some physical concepts such as wave energy and momentum in a moving fluid are analysed, taking into account induced mean flow. The physical mechanisms responsible for hydrodynamic instability of shear flows are considered within the concept of negative energy waves. The phenomenon of over-reflection is analysed. A number of well-known theorems of the hydrodynamic theory of stability are interpreted in terms of the interaction of the waves having different energy signs. Attention is drawn to the plasma-hydrodynamic analogy, which is a powerful tool for physical analyses of general mechanisms of wave amplification and absorption in flows. Various wave-flow interaction problems are considered, for instance, sound generation in whistlers, wave scattering and amplification by vortices, methods of wave remote sounding, and some nonlinear dynamical and chaotic phenomena.The book is intended for researchers specializing in wave theory, aeroacoustics, geophysical and astrophysical fluid dynamics, and related fields. It may also be useful to graduate and post-graduate students as a supplement to standard lecture courses.
Propagation of Waves in Shear Flows
Author | : Anatolii Lʹvovich Fabrikant |
Publisher | : |
Total Pages | : 287 |
Release | : 1998 |
Genre | : |
ISBN | : |
Sound-Flow Interactions
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.
Features of Sound Propagation Through and Stability of a Finite Shear Layer
Author | : S. P. Koutsoyannis |
Publisher | : |
Total Pages | : 40 |
Release | : 1977 |
Genre | : Shear flow |
ISBN | : |
Springer Handbook of Acoustics
Author | : Thomas Rossing |
Publisher | : Springer Science & Business Media |
Total Pages | : 1179 |
Release | : 2007-06-21 |
Genre | : Science |
ISBN | : 0387304460 |
This is an unparalleled modern handbook reflecting the richly interdisciplinary nature of acoustics edited by an acknowledged master in the field. The handbook reviews the most important areas of the subject, with emphasis on current research. The authors of the various chapters are all experts in their fields. Each chapter is richly illustrated with figures and tables. The latest research and applications are incorporated throughout, including computer recognition and synthesis of speech, physiological acoustics, diagnostic imaging and therapeutic applications and acoustical oceanography. An accompanying CD-ROM contains audio and video files.
Propagation of Sound in Air
Author | : John W. Wescott |
Publisher | : |
Total Pages | : 650 |
Release | : 1965 |
Genre | : Air |
ISBN | : |
This bibliography contains several thousand abstracts from the unclassified literature on the propagation of sound in air. The subject is treated in depth for the years 1929 to 1963. Some abstracts on earlier works of lasting interest and many abstracts from English translations of foreign journals are included. The abstracts are grouped according to subject matter. Subject and author indexes are furnished. Accessions Document (AD and earlier ATI) numbers used by both the Defense Documentation Center (formerly ASTIA) and the Office of Technical Services (OTS) are furnished wherever possible. (Author).