77 citations · 147 across the 7 of their papers we have counts for
4 papers · 1 filter
Spatial transient behavior in waveguides with lossy impedance boundary conditions
Wei Guo, Juan Liu, Wenping Bi +3
Attenuation in acoustic waveguides with lossy impedance boundary conditions are associated with non-Hermitian and non-normal operators. This subject has been extensively studied in…
Anomalous transmission through periodic resistive sheets
Antonin Coutant, Yves Aurégan, Vincent Pagneux
This work investigates anomalous transmission effects in periodic dissipative media, which is identified as an acoustic analogue of the Borrmann effect. For this, the scattering of…
Ultra-thin low frequency perfect sound absorber with high ratio of active area
Yves Aurégan
A concept of ultra-thin low frequency perfect sound absorber is proposed and demonstrated experimentally. To minimize non-linear effects, an high ratio of active area to total area…
Experimental evidence of an instability over an impedance wall in a duct with flow
Yves Aurégan, Maud Leroux
An experimental investigation of the acoustical behaviour of a liner in a rectangu- lar channel with grazing flow has been conducted. The liner consists of a ceramic structure of p…