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Pressure fluctuation in high-Reynolds number turbulent boundary layer: results from experimentsand numerical simulations
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.ORCID iD: 0000-0001-9627-5903
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.ORCID iD: 0000-0002-1146-3241
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2011 (English)In: Proc. 7th International Symposium on Turbulence and Shear Flow Phenomena, 2011Conference paper, Published paper (Refereed)
Abstract [en]

Pressure fluctuations are measured in zero-pressuregradientboundary layers. Following the previous studies,we developed the small pressure probe and measure both thestatic pressure inside boundary layer and wall pressure simultaneouslyin turbulent boundary layers up to Reynolds numbersbased on the momentum thickness Rq ' 20000. Discussionsare made on the background pressure in the free streamregion. It contaminates the physical pressure in the boundarylayer. We report on the pressure intensity profile normalizedby outer and inner variables. Once the background pressureis subtracted, they are compared with the results of direct numericalsimulations.

Place, publisher, year, edition, pages
2011.
National Category
Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:kth:diva-86823OAI: oai:DiVA.org:kth-86823DiVA: diva2:501052
Conference
7th International Symposium on Turbulence and Shear Flow Phenomena. 28-31 July 2011. Ottawa, Canada
Funder
TrenOp, Transport Research Environment with Novel Perspectives
Note
QC 20120410Available from: 2012-02-13 Created: 2012-02-13 Last updated: 2012-06-11Bibliographically approved

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http://www.tsfp7.org/papers/1A2P.pdf

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Schlatter, PhilippAlfredsson, P. HenrikJohansson, Arne

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