Vibration of an elastic tube excited by a turbulent flow

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.

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Experimental investigation on self-excited resonances of a cylindrical tube in cross-flow

Duro

Décultot

Léon

et al. 2011

The Journal of the Acoustical Society of America

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Vibration of an elastic tube excited by a turbulent flow

Cited by 1 publication

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Experimental investigation on self-excited resonances of a cylindrical tube in cross-flow

Experimental investigation on self-excited resonances of a cylindrical tube in cross-flow

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