Self-excited flow oscillation in an abruptly expanding circular duct as the noise source

The behaviour of oscillations in subsonic flow in a duct with a sudden enlargement of cross-section has been investigated experimentally. The mechanism of one type of oscillation has been found and explained. In this type of oscillation the resonant oscillation of a gas column in the part of a duct...

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Bibliographic Details
Main Authors: Andrzej P. SZUMOWSKI, Janusz PIECHNA
Format: Article
Language:English
Published: Institute of Fundamental Technological Research Polish Academy of Sciences 2016-03-01
Series:Archives of Acoustics
Online Access:https://acoustics.ippt.pan.pl/index.php/aa/article/view/3262
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