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Large Eddy Simulation of Highly Compressible Jets with Tripped Boundary Layers
KTH, School of Engineering Sciences (SCI), Mechanics. (FLOW)
(École Centrale de Lyon, 69134 Ecully Cedex, France)
KTH, School of Engineering Sciences (SCI), Mechanics. (Competence Center for Gas Exchange (CCGEx), FLOW)ORCID iD: 0000-0001-7330-6965
2019 (English)In: Direct and Large-Eddy Simulation XI. ERCOFTAC Series. / [ed] Salvetti M., Armenio V., Fröhlich J., Geurts B., Kuerten H., Springer, 2019, vol. 25, p. 333-339Chapter in book (Refereed)
Abstract [en]

In high-speed aircraft, supersonic jets used for propulsion can lead to very intense aerodynamically generated acoustic noise. Thus, there is a need to study the aerodynamic and aeroacoustic properties of highly compressible jets. In previous studies (Gojon et al, Temperature effects on the aerodynamic and acoustic fields of a rectangular supersonic jet, 2017, [1], Gojon et al, On the response of a rectangular supersonic jet to a near-field located parallel flat plate, 2017, [2]), several simulations of supersonic jets have been conducted. Unfortunately, the turbulence intensity at the nozzle exit was dependent on the internal geometry of the nozzle and could not be tuned. This is a pity given that, as shown experimentally (Zaman, AIAA J, 50(8):1784–1795, 2012, [3]) and numerically (Bogey et al, J Fluid Mech, 701:352–385, 2012, [4], Brés et al, Nozzle wall modeling in unstructured large eddy simulations for hot supersonic jet predictions, 2013, [5]) for subsonic and supersonic jets, the boundary layer state of the jet affects the jet flow and noise.

Place, publisher, year, edition, pages
Springer, 2019, vol. 25. p. 333-339
Series
ERCOFTAC Series
National Category
Fluid Mechanics and Acoustics Aerospace Engineering
Research subject
Engineering Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-250022DOI: 10.1007/978-3-030-04915-7_44Scopus ID: 2-s2.0-85061316093ISBN: 978-3-030-04914-0 (print)ISBN: 978-3-030-04915-7 (electronic)OAI: oai:DiVA.org:kth-250022DiVA, id: diva2:1306989
Note

QC 20190617

Available from: 2019-04-25 Created: 2019-04-25 Last updated: 2019-06-17Bibliographically approved

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Gojon, Romain

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