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Aeroacoustics and aerodynamics of impinging supersonic jets: Analysis of the screech tones
Sapienza University of Rome.
Sapienza University of Rome.ORCID iD: 0000-0002-8038-1127
Sapienza University of Rome.
Sapienza University of Rome.ORCID iD: 0000-0002-5125-3337
2013 (English)In: Physics of fluids, ISSN 1070-6631, E-ISSN 1089-7666, Vol. 25, no 8, article id 086104Article in journal (Refereed) Published
Abstract [en]

The interaction between acoustics and aerodynamics of a supersonic jet is an actual fundamental topic which has been a matter of discussion in the last decades. The present paper is devoted to the experimental analysis of free and impinging jets with particular attention on the effect of an impinging surface on screech tones. The acoustics is studied using free-field microphones, while Particle Image Velocimetry is used to investigate the velocity field. The analysis of acquired data allowed to verify and explain the coupling between acoustic discrete tones and mean and fluctuating flow velocities.

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2013. Vol. 25, no 8, article id 086104
National Category
Aerospace Engineering
Identifiers
URN: urn:nbn:se:kth:diva-223692DOI: 10.1063/1.4819333ISI: 000323946200057Scopus ID: 2-s2.0-84883389513OAI: oai:DiVA.org:kth-223692DiVA, id: diva2:1186510
Note

QC 20180301

Available from: 2018-02-28 Created: 2018-02-28 Last updated: 2018-03-01Bibliographically approved

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Lacagnina, GiovanniRomano, Giovanni Paolo
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