Book contents
- Duct Acoustics
- Duct Acoustics
- Copyright page
- Dedication
- Contents
- 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 Conductivity
- 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
- Book part
- Appendix A Basic Equations of Fluid Motion
- Appendix B Acoustic Properties of Rigid-Frame Fibrous Materials
- Appendix C Impedance of Compact Apertures
- Index
- References
Appendix C - Impedance of Compact Apertures
Published online by Cambridge University Press: 11 May 2021
Book contents
- Duct Acoustics
- Duct Acoustics
- Copyright page
- Dedication
- Contents
- 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 Conductivity
- 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
- Book part
- Appendix A Basic Equations of Fluid Motion
- Appendix B Acoustic Properties of Rigid-Frame Fibrous Materials
- Appendix C Impedance of Compact Apertures
- Index
- References
Summary
A summary is not available for this content so a preview has been provided. Please use the Get access link above for information on how to access this content.
- Type
- Chapter
- Information
- Duct AcousticsFundamentals and Applications to Mufflers and Silencers, pp. 567 - 578Publisher: Cambridge University PressPrint publication year: 2021
References
Sullivan, J.W. and Crocker, M.J., Analysis of concentric tube resonators having unpartitioned cavities, J. Acoust. Soc. Am. 64 (1978), 207–215.CrossRefGoogle Scholar
Rao, K.N. and Munjal, M.L., Experimental evaluation of impedance of perforates with grazing mean flow, J. Sound Vib. 108 (1986), 283–293.Google Scholar
Cummings, A., The effects of grazing turbulent pipe flow on the impedance of an orifice, Acustica 61 (1986), 233–242.Google Scholar
Coelho, J.L.B., Acoustic characteristics of perforate liners n expansion chambers, PhD Thesis, University of Southampton, UK, (1983).Google Scholar
Morel, T., Morel, J. and Blaser, D.A., Fluid dynamic and acoustic modeling of concentric tube resonators/silencers, SAE Technical Paper 910072, (1991).CrossRefGoogle Scholar
Bauer, A.B., Impedance theory and measurement on porous acoustic liners, Journal of Aircraft 14 (1977), 720–728.Google Scholar
Sullivan, J.W., A method for modeling perforated tube muffler components II: applications, J. Acoust. Soc. Am. 66 (1979), 779–788.Google Scholar
Kirby, R. and Cummings, A., The impedance of perforated plates subjected to grazing gas flow and backed by porous media, J. Sound Vib. 217 (1998), 619–636.CrossRefGoogle Scholar
Dickey, M.S., Selamet, A. and Çıray, M.S., An experimental study of the impedance of perforated plates with grazing mean flow, J. Acoust. Soc. Am. 110 (2001), 2360–2370.Google Scholar
Ronneberger, D., The acoustical impedance of holes in the wall of flow ducts, J. Sound Vib. 24 (1972), 133–150.Google Scholar
Lee, S.H. and Ih, J.G., Empirical model of the acoustic impedance of a circular orifice in grazing mean flow, J. Acoust. Soc. Am. 114 (2003), 98–108.Google Scholar
Cummings, A., Transient and multiple frequency sound transmission through perforated plates at high amplitude, J. Acoust. Soc. Am. 79 (1986), 942–951.CrossRefGoogle Scholar
Howe, M.S., Scott, M.I. and Sipcic, S.R., The influence of tangential mean flow on the Rayleigh conductivity of a aperture, Proc. R. Soc. Lond. A452 (1996), 2303–2317 (Also in: M.S. Howe, Acoustics of Fluid-Structure Interactions, (Cambridge: Cambridge University Press, 1998)).Google Scholar
Peat, K.S., Ih, J-G. and Lee, S-H., Acoustic impedance of a circular orifice in grazing mean flow: comparison with theory, J. Acoust. Soc. Am. 114 (2003), 3076–3086.CrossRefGoogle ScholarPubMed
Howe, M.S., The influence of mean shear on unsteady aperture flow, with application to acoustical diffraction and self-sustained cavity oscillations, J. Fluid Mech. 109 (1981), 125–146.CrossRefGoogle Scholar
Howe, M.S., Low Strouhal number instabilities of flow over apertures and wall cavities, J. Acoust. Soc. Am. 103 (1997), 772–780.CrossRefGoogle Scholar
Howe, M.S., Influence of cross-sectional shape on conductivity of a wall aperture in mean flow, J. Sound Vib. 207 (1997), 601–616.CrossRefGoogle Scholar
Grace, S.M., Horan, K.P. and Howe, M.S., The influence of shape on the Rayleigh conductivity of a wall aperture in the presence grazing flow, J. Fluids Struct. 12 (1998) 335–351.Google Scholar
Howe, M.S., Influence of wall thickness on Rayleigh conductivity and flow-induced aperture tones, J. Fluids Struct. 11 (1997), 351–366.CrossRefGoogle Scholar
Grace, S.M., Prediction of low-frequency tones produced by flow through a duct with a gap, J. Sound Vib. 229 (2000), 859–878.CrossRefGoogle Scholar
Howe, M.S., On the theory of unsteady high Reynolds number flow through a circular aperture, Proc. R. Soc. Lond. A, 366 (1979), 205–223.Google Scholar
Dowling, A.P. and Hughes, I.J., Sound absorption by screen with a regular array of slits, J. Sound Vib. 156 (1992), 387–405.CrossRefGoogle Scholar