Noise control : from concept to application
著者
書誌事項
Noise control : from concept to application
Taylor & Francis, c2005
- : hbk.
- : pbk.
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
Noise Control: From Concept to Application presents the basic principles of noise control and their practical application to real problems. Numerous examples are worked out in detail and are used to illustrate the concepts in the book. There are few derivations of equations, but reference is made to texts from which these are derived. An excellent learning tool for students and practitioners, this guide to noise control will enable readers to use their knowledge to solve a wide range of industrial noise control problems. Working from basic scientific principles, the author shows how an understanding of sound can be applied to real-world settings.
目次
1. Fundamentals Introduction. Noise Control Strategies. Acoustic Field Variables and the Wave Equation. Plane and Spherical Waves. Mean Square Quantities. Energy Density. Sound Density. Sound Power. Decibels. Spectra. Loudness. Combining Sound Pressures. Impedance 2. Noise Criteria and Basic Instrumentation Introduction. Hearing Loss. Hearing Damage Risk. Implementing a Hearing Conservation Program. Speech Interference Criteria. Psychological Effects of Noise. Ambient Noise Level Specification. Environmental Noise Level Criteria. Environmental Noise Surveys. Measuring Instrumentation 3. Sound Sources and Sound Power Measurement Introduction. Simple Source. Dipole Source. Quadrupole Source. Line Source. Incoherent Plane Radiator. Directivity. Reflectional Effects. Determination of Sound Power 4. Sound Propagation Outdoors and in Rooms Introduction. Sound Propagation Outdoors. Sound Propagation in Rooms 5. Sound Absorbing Materials: Properties and their Measurement Flow Resistance. Sound Propagation in Porous Media. Measurement and Calculation of Absorption Coefficients 6. Partitions, Enclosures and Barriers Introduction. Sound Transmission Through Partitions. Composite Transmission Loss. Enclosures. Barriers 7. Muffling Devices Introduction. Measures of Performance. Diffusers as Muffling Devices. Acoustic Impedance. Lumped Element Devices. Reactive Devices. Lined Ducts. Duct Bends. Unlined Ducts. Effect of Duct End Reflections. Duct Break-Out Noise. Lined Plenum Attentuator. Directivity of Exhaust Ducts. Appendix. References
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