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Tunnelling effects for acoustic waves in slowly varying axisymmetric flow ducts
(ElsevierJournal of Sound and Vibration, 2016-06-22)
The multiple-scales Wentzel–Kramers–Brillouin (WKB) approximation is used to model the propagation of acoustic waves in an axisymmetric duct with a constriction in the presence of mean flow. An analysis of the reflection ...