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Research on the interaction between streamwise streaks and Tollmien-Schlichting waves at KTH
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.ORCID iD: 0000-0002-8209-1449
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW. (SGCE)ORCID iD: 0000-0002-3251-8328
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.ORCID iD: 0000-0001-9627-5903
2007 (English)In: ERCOFTAC Bulletin, ISSN 2518-0991, Vol. 74, 37-43 p.Article in journal (Refereed) Published
Abstract [en]

This paper summarises the experimental and numericalinvestigations on how two different types of disturbancesmay, in a positive way, interact in a flat plateboundary-layer flow. The project, which mainly hasbeen centered at KTH1, has been performed in collaborationwith colleagues from University of Bologna2and LadHyX CNRS Ecole Polytechnique3, duringthe last years. The main phenomena — the stabilisingeffect of streamwise boundary-layer streakson Tollmien-Schlichting waves (and other exponentialdisturbances) — have been captured both in experiments[1, 2] and with different numerical approachessuch as direct numerical simulations [3], parabolicstability equation calculations [5] and large-eddy simulations[6]. We will here briefly review the methodsand the main results of these studies, and discuss howthey correlate with each other. For related referencesoutside KTH the interested reader is referred to thejournal publications in the reference list.

Place, publisher, year, edition, pages
2007. Vol. 74, 37-43 p.
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Other Engineering and Technologies not elsewhere specified
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URN: urn:nbn:se:kth:diva-85904OAI: oai:DiVA.org:kth-85904DiVA: diva2:500171
Note

QC 20120523

Available from: 2012-02-13 Created: 2012-02-13 Last updated: 2017-04-04Bibliographically approved

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Bagheri, ShervinFransson, Jens H. M.Schlatter, Philipp

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