1996
DOI: 10.1006/jsvi.1996.0514
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Characterization of Fluid Machines as Acoustic Multi-Port Sources

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Cited by 58 publications
(21 citation statements)
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“…These are then coupled with the modes of a circular duct, resulting in a model for the propagation of broadband trailing edge noise, including modal distribution. In reference [19], measurements of the plane wave as well as the "rst two circumferential modes show that, when cut-on, the circumferential modes may contain more energy than the plane wave for a given frequency.…”
Section: Trailing Edge Noise Modelmentioning
confidence: 99%
“…These are then coupled with the modes of a circular duct, resulting in a model for the propagation of broadband trailing edge noise, including modal distribution. In reference [19], measurements of the plane wave as well as the "rst two circumferential modes show that, when cut-on, the circumferential modes may contain more energy than the plane wave for a given frequency.…”
Section: Trailing Edge Noise Modelmentioning
confidence: 99%
“…Mode decomposition of higher-order modes has been performed experimentally by (Gerhold et al, 2006) for a square-section duct to represent the annulus of a high bypass -ratio engine. For a circular-section duct, (Lavrentjev and Åbom, 1996) included higher-order modes in their analysis of the sound produced by a fan with one active opening at which the external acoustic load changes.…”
Section: Introductionmentioning
confidence: 99%
“…L'utilisation de ces codes requiert l'introduction des informations qui permettent de représenter le comportement des divers composants : pour des éléments complexes, telles les pompes ou les turbines en fonctionnement, cette caractérisation n'est à ce jour accessible qu'expérimentalement. Il faut noter que des techniques équivalentes sont utilisées pour la caractérisa-tion aéro-acoustique d'éléments de circuits aérauliques (ventilateurs, tubulures d'échappement ou d'admission de moteurs,... [7,8] [9]. Les quatre termes de l'une ou l'autre de ces matrices sont des fonctions complexes de la fréquence f et constituent les inconnues lors de la détermination expérimentale de ces caractéristiques de transfert.…”
Section: • Introductionunclassified