Experimental investigation on self-excited resonances of a cylindrical tube in cross-flow.
Identifieur interne : 000791 ( Main/Exploration ); précédent : 000790; suivant : 000792Experimental investigation on self-excited resonances of a cylindrical tube in cross-flow.
Auteurs : Vincent Duro [France] ; Dominique Décultot ; Fernand Léon ; Gérard MazeSource :
- The Journal of the Acoustical Society of America [ 1520-8524 ] ; 2011.
Abstract
This paper is devoted to the study of acoustic vibrations induced by a flow upon an air-filled cylindrical tube vertically placed in water. A water pump with adapted piping generates a turbulent flow horizontally canalized in a large laboratory tank (6 m × 4 m × 3 m). The tube is located across this flow and an accelerometer measures vibrations. The signal processing performed on the recorded signals brings out resonance modes of the tube excited by the flow. A theoretical study (tube in air) and complementary experiments (tube in air and in water) are conducted to identify these modes.
DOI: 10.1121/1.3565469
PubMed: 21568373
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en">This paper is devoted to the study of acoustic vibrations induced by a flow upon an air-filled cylindrical tube vertically placed in water. A water pump with adapted piping generates a turbulent flow horizontally canalized in a large laboratory tank (6 m × 4 m × 3 m). The tube is located across this flow and an accelerometer measures vibrations. The signal processing performed on the recorded signals brings out resonance modes of the tube excited by the flow. A theoretical study (tube in air) and complementary experiments (tube in air and in water) are conducted to identify these modes.</div>
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