Acoustics of Porous Media

Acoustics of Porous Media
Title Acoustics of Porous Media PDF eBook
Author Thierry Bourbié
Publisher Editions TECHNIP
Pages 366
Release 1987
Genre Science
ISBN 9782710805168

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Propagation of Sound in Porous Media

Propagation of Sound in Porous Media
Title Propagation of Sound in Porous Media PDF eBook
Author J.F. Allard
Publisher Springer Science & Business Media
Pages 296
Release 2012-12-06
Genre Technology & Engineering
ISBN 9401118663

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This book has grown out of the research activities of the author in the fields of sound propagation in porous media and modelling of acoustic materials. It is assumed that the reader has a background of advanced calculus, including an introduction to differential equations, complex variables and matrix algebra. A prior exposure to theory of elasticity would be advantageous. Chapters 1-3 deal with sound propagation of plane waves in solids and fluids, and the topics of acoustic impedance and reflection coefficient are given a large emphasis. The topic of flow resistivity is presented in Chapter 2. Chapter 4 deals with sound propagation in porous materials having cylindrical pores. The topics of effective density, and of tortuosity, are presented. The thermal exchanges between the frame and the fluid, and the behaviour of the bulk modulus of the fluid, are described in this simple context. Chapter 5 is concerned with sound propagation in other porous materials, and the recent notions of characteristic dimensions, which describe thermal exchanges and the viscous forces at high frequencies, are introduced. In Chapter 6, the case of porous media having an elastic frame is considered in the context of Biot theory, where new topics described in Chapter 5 have been included.

Acoustics of Porous Media

Acoustics of Porous Media
Title Acoustics of Porous Media PDF eBook
Author Thierry Bourbié
Publisher CRC Press
Pages 364
Release 1987
Genre Science
ISBN

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Recent Developments in Acoustics

Recent Developments in Acoustics
Title Recent Developments in Acoustics PDF eBook
Author Mahavir Singh
Publisher Springer Nature
Pages 309
Release 2020-09-19
Genre Technology & Engineering
ISBN 9811557764

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This book presents the proceedings of the 46th National Symposium on Acoustics (NSA 2017). The main goal of this symposium is to discuss key opportunities and challenges in acoustics, especially as applied to engineering problems. The book covers topics ranging from hydro-acoustics, environmental acoustics, bio-acoustics to musical acoustics, electro-acoustics and sound perception. The contents of this volume will prove useful to researchers and practicing engineers working on acoustics problems.

Acoustics of Materials

Acoustics of Materials
Title Acoustics of Materials PDF eBook
Author Zine El Abiddine Fellah
Publisher BoD – Books on Demand
Pages 208
Release 2019-04-25
Genre Technology & Engineering
ISBN 1838803491

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This book deals with acoustic wave interaction with different materials, such as porous materials, crystals, biological tissues, nanofibers, etc. Physical phenomena and mathematical models are described, numerical simulations and theoretical predictions are compared to experimental data, and the results are discussed by evoking new trends and perspectives. Several approaches and applications are developed, including non-linear elasticity, propagation, diffusion, soundscape, environmental acoustics, mechanotransduction, infrasound, acoustic beam, microwave sensors, and insulation. The book is composed of three sections: Control of Sound - Absorbing Materials for Damping of Sound, Sound Propagation in Complex/Porous materials and Nondestructive Testing (NDT), Non Linearity, Leakage.

Wave Fields in Real Media

Wave Fields in Real Media
Title Wave Fields in Real Media PDF eBook
Author José M. Carcione
Publisher Elsevier
Pages 690
Release 2014-12-08
Genre Science
ISBN 0081000030

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Authored by the internationally renowned José M. Carcione, Wave Fields in Real Media: Wave Propagation in Anisotropic, Anelastic, Porous and Electromagnetic Media examines the differences between an ideal and a real description of wave propagation, starting with the introduction of relevant stress-strain relations. The combination of this relation and the equations of momentum conservation lead to the equation of motion. The differential formulation is written in terms of memory variables, and Biot's theory is used to describe wave propagation in porous media. For each rheology, a plane-wave analysis is performed in order to understand the physics of wave propagation. This book contains a review of the main direct numerical methods for solving the equation of motion in the time and space domains. The emphasis is on geophysical applications for seismic exploration, but researchers in the fields of earthquake seismology, rock acoustics, and material science - including many branches of acoustics of fluids and solids - may also find this text useful. New to this edition: This new edition presents the fundamentals of wave propagation in Anisotropic, Anelastic, Porous Media while also incorporating the latest research from the past 7 years, including that of the author. The author presents all the equations and concepts necessary to understand the physics of wave propagation. These equations form the basis for modeling and inversion of seismic and electromagnetic data. Additionally, demonstrations are given, so the book can be used to teach post-graduate courses. Addition of new and revised content is approximately 30%. Examines the fundamentals of wave propagation in anisotropic, anelastic and porous media Presents all equations and concepts necessary to understand the physics of wave propagation, with examples Emphasizes geophysics, particularly, seismic exploration for hydrocarbon reservoirs, which is essential for exploration and production of oil

Formulas of Acoustics

Formulas of Acoustics
Title Formulas of Acoustics PDF eBook
Author F.P. Mechel
Publisher Springer Science & Business Media
Pages 1197
Release 2013-06-29
Genre Technology & Engineering
ISBN 3662072963

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This application-orientated collection of formulas has been written by applied scientists and industrial engineers for design professionals and students who work in engineering acoustics. It is subdivided into the most important fields of applied acoustics, each dealing with a well-defined type of problem. It provides easy and rapid access to profound and comprehensive information. In order to keep the text as concise as possible, the derivation of a formula is described as briefly as possible and the reader is referred to the original source. Besides the formulas, useful principles and computational procedures are given.