A mode matching method for modeling dissipative silencers lined with poroelastic materials and containing mean flow

A mode matching method for predicting the transmission loss of a cylindrical shaped dissipative silencer partially filled with a poroelastic foam is developed. The model takes into account the solid phase elasticity of the sound-absorbing material, the mounting conditions of the foam, and the presen...

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Veröffentlicht in:	The Journal of the Acoustical Society of America 2010-12, Vol.128 (6), p.3308-3320
Hauptverfasser:	Nennig, Benoit, Perrey-Debain, Emmanuel, Ben Tahar, Mabrouk
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Acoustics Acoustics - instrumentation Computer Simulation Dissipation Elasticity Engineering Sciences Equipment Design Exact sciences and technology Foams Fundamental areas of phenomenology (including applications) Matching Mathematical models Mechanics Models, Theoretical Motion Noise, Transportation - prevention & control Noise: its effects and control Numerical Analysis, Computer-Assisted Physics Porosity Pressure Rheology Silencers Sound Structural acoustics and vibration Time Factors Transmission loss
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