Foundations of Engineering Acoustics

1st Edition

Print ISBN: 9780123958426
eBook ISBN: 9780080506838
Imprint: Academic Press
Published Date: 12th September 2000
Page Count: 443
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Foundations of Engineering Acoustics takes the reader on a journey from a qualitative introduction to the physical nature of sound, explained in terms of common experience, to mathematical models and analytical results which underlie the techniques applied by the engineering industry to improve the acoustic performance of their products. The book is distinguished by extensive descriptions and explanations of audio-frequency acoustic phenomena and their relevance to engineering, supported by a wealth of diagrams, and by a guide for teachers of tried and tested class demonstrations and laboratory-based experiments. Foundations of Engineering Acoustics is a textbook suitable for both senior undergraduate and postgraduate courses in mechanical, aerospace, marine, and possibly electrical and civil engineering schools at universities. It will be a valuable reference for academic teachers and researchers and will also assist Industrial Acoustic Group staff and Consultants.

Key Features

Comprehensive and up-to-date: broad coverage, many illustrations, questions, elaborated answers, references and a bibliography Introductory chapter on the importance of sound in technology and the role of the engineering acoustician Deals with the fundamental concepts, principles, theories and forms of mathematical representation, rather than methodology Frequent reference to practical applications and contemporary technology Emphasizes qualitative, physical introductions to each principal as an entrée to mathematical analysis for the less theoretically oriented readers and courses Provides a 'cook book' of demonstrations and laboratory-based experiments for teachers Useful for discussing acoustical problems with non-expert clients/managers because the descriptive sections are couched in largely non-technical language and any jargon is explained Draws on the vast pedagogic experience of the writer


Undergraduate, postgraduate, engineers in acoustics

Table of Contents

Preface Acknowledgments Chapter 1 Sound Engineering 1.1 The Importance of Sound 1.2 Acoustics and the Engineer 1.3 Sound the Servant Chapter 2 The Nature of Sound and Some Sound Wave Phenomena 2.1 Introduction 2.2 What Is Sound? 2.3 Sound and Vibration 2.4 Sound in Solids 2.5 a Qualitative Introduction to Wave Phenomena 2.5.1 Wavefronts 2.5.2 Interference 2.5.3 Reflection 2.5.4 Scattering 2.5.5 Diffraction 2.5.6 Refraction 2.5.7 The Doppler Effect 2.5.8 Convection 2.6 Some More Common Examples of the Behavior of Sound Waves Chapter 3 Sound in Fluids 3.1 Introduction 3.2 The Physical Characteristics of Fluids 3.3 Molecules and Particles 3.4 Fluid Pressure 3.5 Fluid Temperature 3.6 Pressure, Density and Temperature in Sound Waves in a Gas 3.7 Particle Motion 3.8 Sound in Liquids 3.9 Mathematical Models of Sound Waves 3.9.1 The Plane Sound Wave Equation 3.9.2 Solutions of the Plane Wave Equation 3.9.3 Harmonic Plane Waves: Sound Pressure 3.9.4 Plane Waves: Particle Velocity 3.9.5 The Wave Equation in Three Dimensions 3.9.6 Plane Waves in Three Dimensions 3.9.7 The Wave Equation in Spherical Coordinates 3.9.8 The Spherically Symmetric Sound Field 3.9.9 Particle Velocity in the Spherically Symmetric Sound Field 3.9.10 Other Forms of Sound Field Chapter 4 Impedance 4.1 Introduction 4.2 Some Simple Examples of the Utility of Impedance 4.3 Mechanical Impedance 4.3.1 Impedance of Lumped Structural Elements 4.4 Forms of Acoustic Impedance 4.4.1 Impedances of Lumped Acoustic Elements 4.4.2 Specific Acoustic Impedance of Fluid in a Tube at Low Frequency 4.4.3 Normal Specific Acoustic Impedance 4


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“...a masterpiece of thoroughness, organization, and clarity...sure to become a classic in acoustical literature and should be on the shelves of every acoustics library.” — Jorge P. Arenas, Auburn University, International Journal of Acoustics and Vibration, Vol. 6, No. 1, 2001 “essentially a text book aimed at senior undergraduate, and post graduate engineering students, and their tutors ... However, the scope and format are also suitable for professional engineers with no formal training in acoustics...Foundations of Engineering Acoustics does great service to the field of acoustics by providing an appropriate introduction to the practical implications of noise and vibration in engineering and everyday life in general.” — Donald Quinn, Institute of Acoustics Bulletin “...there are very few textbooks that present Engineering Acoustics at a fairly basic, though higher than elementary, level. Professor Fahy's book therefore meets a need on the part of many engineers who may lack a formal background in acoustics but nonetheless are faced with acquiring some knowledge of the subject...Questions are occasionally interposed in the text, and these should help to stimulate the thought processes of the reader. The occasional flashes of humor are welcome...One feels that Professor Fahy has succeeded in his purpose," assist readers to acquire an understanding of those concepts and principles, physical phenomena, theoretical models and mathematical representations that form the foundations of the practice of engineering acoustics"...the reader who carefully reads and works his way through this text will acquire a very good understanding of the physics involved in a wide range of engineering acoustics and vibration applications, as well as the mathematical basis for tackling more advanced problems...Overall, Frank Fahy has written a book that is up to the standard of erudition, authoritativenes