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Aero-acoustics of flow duct singularities at low mach numbers
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, MWL Marcus Wallenberg Laboratoriet.ORCID-id: 0000-0001-7898-8643
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, MWL Marcus Wallenberg Laboratoriet. Industrial Education College, Cairo, Egypt .
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, MWL Marcus Wallenberg Laboratoriet.ORCID-id: 0000-0003-4103-0129
2006 (engelsk)Inngår i: Collection of Technical Papers - 12th AIAA/CEAS Aeroacoustics Conference, 2006, s. 3708-3717Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

This paper describes the application of an acoustic 2-port model to describe flow generated noise in ducts. An experimental procedure that enables determination of both the passive (the scattering matrix) as well as the active (source) 2-port data is described. The method is applied to investigate the aero-acoustics of an orifice plate in a duct. The passive data is compared with a simple quasi-stationary model and the active part is analyzed using a scaling law procedure, based on the assumption of a compact dipole source.

sted, utgiver, år, opplag, sider
2006. s. 3708-3717
Emneord [en]
Aeroacoustics, Flow duct singularities, Flow generated noise, Aerodynamics, Ducts, Mathematical models, Noise generators, Number theory, Orifices, Acoustic variables control
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Identifikatorer
URN: urn:nbn:se:kth:diva-155827Scopus ID: 2-s2.0-33845603954ISBN: 1563478099 (tryckt)ISBN: 9781563478093 (tryckt)OAI: oai:DiVA.org:kth-155827DiVA, id: diva2:769101
Konferanse
12th AIAA/CEAS Aeroacoustics Conference, 8 May 2006 through 10 May 2006, Cambridge, MA
Merknad

QC 20141205

Tilgjengelig fra: 2014-12-05 Laget: 2014-11-13 Sist oppdatert: 2014-12-05bibliografisk kontrollert

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Totalt: 65 treff
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