Comptes Rendus
Amelioration de technique d'intensimetrie hydroacoustique
[Improvement of hydro-acoustic intensity technique]
Comptes Rendus. Mécanique, Volume 331 (2003) no. 11, pp. 783-787.

For industrial applications, a transfer matrix model can be used to study pressure and flow rate fluctuations propagation within ducts. If none analytical model exists, this matrix has to be identified according to acoustic intensity techniques.

Pressure waves exert forces, which cause a compliant system to move, the motion causes pressure waves in return (fluid–structure interaction). An extension of acoustic intensity technique using several transducers is presented.

L'analyse des fluctuations de pression et de débit en conduite s'appuie souvent, dans l'industrie, sur une formulation en matrice de transfert souvent identifiée par une mesure d'intensimètrie à plusieurs capteurs. Cet article présente une amélioration de cette technique par la prise en compte du couplage entre les oscillations du fluide et celles de la canalisation.

Received:
Accepted:
Published online:
DOI: 10.1016/j.crme.2003.08.004
Mot clés : Mécanique des fluides, Intensimètrie, Identification, Fluide–structure
Keywords: Fluid mechanics, Intensity, Identification, Fluid–structure

Jacques Charley 1

1 Laboratoire de mécanique de Lille (UMR 8107), École nationale supérieure des arts et métiers, 8, bd Louis XIV, 59046 Lille cedex, France
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Jacques Charley. Amelioration de technique d'intensimetrie hydroacoustique. Comptes Rendus. Mécanique, Volume 331 (2003) no. 11, pp. 783-787. doi : 10.1016/j.crme.2003.08.004. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2003.08.004/

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