Erkan Dokumacı

Duct Acoustics (eBook, PDF)

Fundamentals and Applications to Mufflers and Silencers

• Format: PDF

Produktbeschreibung

foundations of duct acoustics to the acoustic design of duct systems, through practical modeling, optimization and measurement techniques. Discover in-depth analyses of one- and three-dimensional models of sound generation, propagation and radiation, as techniques for assembling acoustic models of duct systems from simpler components are described. Identify the weaknesses of mathematical models in use and improve them by measurement when needed. Cope with challenges in acoustic design, and improve understanding of the underlying physics, by using the tools described. An essential reference for engineers and researchers who work on the acoustics of fluid machinery ductworks.

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Produktdetails

• Verlag: Cambridge University Press
• Erscheinungstermin: 13. Mai 2021
• Englisch
• ISBN-13: 9781108899628
• Artikelnr.: 66183408

Autorenporträt

Erkan Dokumac¿ is Professor Emeritus of Mechanical Engineering at Dokuz Eylül University (¿zmir, Turkey). He is currently on the Editorial Advisory Board for the Journal of Sound and Vibration and is the author of software used for acoustic design of mufflers and silencers, as well as many scientific papers on duct acoustics.

Inhaltsangabe

Preface
1. Some preliminaries
2. Introduction to acoustic block diagrams
3. Transmission of low frequency sound waves in ducts
4. Transmission of one-dimensional waves in coupled ducts
5. Resonators, expansion chambers and silencers
6. Multi-modal sound propagation in ducts
7. Transmission of wave modes in coupled ducts
8. Effects of viscosity and thermal conductity
9. Reflection and radiation at open duct terminations
10. Modeling of ducted acoustic sources
11. Radiated sound pressure prediction
12. Measurement methods
13. System search and optimization
Appendix a: basic equations of fluid motion
Appendix b: acoustic properties of rigid-frame fibrous materials
References
Appendix c: impedance of compact apertures
Index.