Fundamentals of General Linear Acoustics
Autor principal: | |
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Formato: | Electrónico eBook |
Idioma: | Inglés |
Publicado: |
Newark :
John Wiley & Sons, Incorporated,
2013.
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Colección: | New York Academy of Sciences Ser.
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Temas: | |
Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Cover
- Title Page
- Copyright
- Contents
- About the Authors
- Preface
- List of Symbols
- Chapter 1 Introduction
- Chapter 2 Fundamentals of Acoustic Wave Motion
- 2.1 Fundamental Acoustic Concepts
- 2.2 The Wave Equation
- References
- Chapter 3 Simple Sound Fields
- 3.1 Plane Waves
- 3.2 Sound Transmission Between Fluids
- 3.3 Simple Spherical Waves
- References
- Chapter 4 Basic Acoustic Measurements
- 4.1 Introduction
- 4.2 Frequency Analysis
- 4.3 Levels and Decibels
- 4.4 Noise Measurement Techniques and Instrumentation
- References
- Chapter 5 The Concept of Impedance
- 5.1 Mechanical Impedance
- 5.2 Acoustic Impedance
- 5.3 Specific Impedance, Wave Impedance and Characteristic Impedance
- References
- Chapter 6 Sound Energy, Sound Power, Sound Intensity and Sound Absorption
- 6.1 Introduction
- 6.2 Conservation of Sound Energy
- 6.3 Active and Reactive Intensity
- 6.4 Measurement of Sound Intensity
- 6.4.1 Errors Due to the Finite Difference Approximation
- 6.4.2 Errors Due to Scattering
- 6.4.3 Errors Due to Phase Mismatch
- 6.5 Applications of Sound Intensity
- 6.5.1 Sound Power Determination
- 6.5.2 Noise Source Identification and Visualisation of Sound Fields
- 6.5.3 Transmission Loss of Structures and Partitions
- 6.5.4 Measurement of the Emission Sound Pressure Level
- 6.6 Sound Absorption
- References
- Chapter 7 Duct Acoustics
- 7.1 Introduction
- 7.2 Plane Waves in Ducts with Rigid Walls
- 7.2.1 The Sound Field in a Tube Terminated by an Arbitrary Impedance
- 7.2.2 Radiation of Sound from an Open-ended Tube
- 7.3 Sound Transmission Through Coupled Pipes
- 7.3.1 The Transmission Matrix
- 7.3.2 System Performance
- 7.3.3 Dissipative Silencers
- 7.4 Sound Propagation in Ducts with Mean Flow
- 7.5 Three-dimensional Waves in Ducts with Rigid Walls
- 7.5.1 The Sound Field in a Duct with Rectangular Cross Section
- 7.5.2 The Sound Field in a Duct with Circular Cross Section
- 7.5.3 The Sound Field in a Duct with Arbitrary Cross-sectional Shape
- 7.6 The Green's Function in a Semi-infinite Duct
- 7.7 Sound Propagation in Ducts with Walls of Finite Impedance
- 7.7.1 Ducts with Nearly Hard Walls
- 7.7.2 Lined Ducts
- References
- Chapter 8 Sound in Enclosures
- 8.1 Introduction
- 8.2 The Modal Theory of Sound in Enclosures
- 8.2.1 Eigenfrequencies and Mode Shapes
- 8.2.2 The Modal Density
- 8.2.3 The Green's Function in an Enclosure
- 8.3 Statistical Room Acoustics
- 8.3.1 The Perfectly Diffuse Sound Field
- 8.3.2 The Sound Field in a Reverberation Room Driven with a Pure Tone
- 8.3.3 Frequency Averaging
- 8.3.4 The Sound Power Emitted by a Point Source in a Lightly Damped Room
- 8.4 The Decay of Sound in a Lightly Damped Room
- 8.4.1 The Modal Approach to Decay of Sound
- 8.4.2 The Statistical Approach to Decay of Sound
- 8.5 Applications of Reverberation Rooms
- 8.5.1 Sound Power Determination