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High-Reynolds number turbulent boundary layers studied by numerical simulation
KTH, School of Engineering Sciences (SCI), Mechanics.ORCID iD: 0000-0001-9627-5903
KTH, School of Engineering Sciences (SCI), Mechanics.
KTH, School of Engineering Sciences (SCI), Mechanics.ORCID iD: 0000-0002-9819-2906
KTH, School of Engineering Sciences (SCI), Mechanics.ORCID iD: 0000-0002-2711-4687
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2009 (English)In: Bulletin of the American Physical Society, APS Physics , 2009Conference paper, Published paper (Refereed)
Abstract [en]

Direct and large-eddy simulations (DNS and LES) of spatially developing high-Reynolds number turbulent boundary layers (Reθ up to 4300) under zero pressure gradient are studied. The inflow of the computational domain and the tripping of the boundary layer is located at low Reynolds numbers Reθ 350, a position where natural transition to turbulence can be expected. The simulation thus includes the spatial evolution of the boundary layer for an extended region, providing statistics and budget terms at each streamwise position. The data is obtained with up to O(10^10) grid points using a parallelised, fully spectral method. The DNS and LES results are critically evaluated and validated, in comparison with other relevant data, e.g. the experiments by "Osterlund et al. (1999). Quantities difficult or even impossible to measure, e.g. pressure fluctuations and complete Reynolds stress budgets, shall be discussed. In addition, special emphasis is put on a further quantification of the large-scale structures appearing in the flow, and their relation to other wall-bounded flow as e.g. channel flow. The results clearly show that with today's computer power Reynolds numbers relevant for industrial applications can be within reach for DNS/LES.

Place, publisher, year, edition, pages
APS Physics , 2009.
Series
Bulletin of the American Physical Society, ISSN 0003-0503 ; 19
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-25548OAI: oai:DiVA.org:kth-25548DiVA: diva2:359116
Conference
American Physical Society, 62nd Annual Meeting of the APS Division of Fluid Dynamics, November 22-24, 2009, Minneapolis, Minnesota
Note
QC 20101026Available from: 2010-10-26 Created: 2010-10-26 Last updated: 2010-10-26Bibliographically approved
In thesis
1. Simulations of turbulent boundary layers with heat transfer
Open this publication in new window or tab >>Simulations of turbulent boundary layers with heat transfer
2009 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH, 2009. vii, 36 p.
Series
Trita-MEK, ISSN 0348-467X ; 2009:14
Keyword
DNS, LES, Turbulent boundary layer, passive scalar, large-scale structures, massively parallel simulations
Identifiers
urn:nbn:se:kth:diva-11320 (URN)978-91-7415-443-6 (ISBN)
Presentation
2009-10-22, Sal E3, OB 14, Stockholm, Sweden, 15:15 (English)
Opponent
Supervisors
Available from: 2009-10-26 Created: 2009-10-23 Last updated: 2010-10-26Bibliographically approved

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Schlatter, PhilipBrethouwer, GertJohansson, Arne V.Henningson, Dan S.

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