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Simulations of heat transfer in a boundary layer subject to free-stream turbulence
KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.
KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.ORCID iD: 0000-0001-9627-5903
KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.ORCID iD: 0000-0001-7864-3071
2009 (English)In: 6th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2009, International Symposium on Turbulence and Shear Flow Phenomena, TSFP , 2009, p. 195-200Conference paper, Published paper (Refereed)
Abstract [en]

The present study investigates the effects or the ambient, free-stream turbulence (FST) on the momentum and heat transfer in a turbulent flat-plate boundary layer via large-eddy simulations (LES) using the ADM-RT model. Due to a FST of 20%, the skin-friction coefficient c/and Stanton number St are substantially elevated up to 15% in the fully turbulent region. The depression of both the mean velocity and temperature profiles in the wake region due to the FST is observed, however, the influence on the wall-normal heat flux in the near-wall region is negligible. © 2009 International Symposium on Turbulence and Shear Flow Phenomena, TSFP09. All rights reserved.

Place, publisher, year, edition, pages
International Symposium on Turbulence and Shear Flow Phenomena, TSFP , 2009. p. 195-200
Keywords [en]
Boundary layer flow, Boundary layers, Friction, Heat flux, Heat transfer, Large eddy simulation, Shear flow, Turbulence, Flat plate boundary layers, Freestream turbulence, Mean velocities, Near-wall region, Skin friction coefficient, Temperature profiles, Turbulent regions, Wall-normal heat flux, Atmospheric thermodynamics
National Category
Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:kth:diva-237223Scopus ID: 2-s2.0-85048547169OAI: oai:DiVA.org:kth-237223DiVA, id: diva2:1258919
Conference
Seoul National UniversitySeoul; South Korea; 22 June 2009 through 24 June 2009
Note

QC 20181026

Available from: 2018-10-26 Created: 2018-10-26 Last updated: 2018-12-12Bibliographically approved

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Schlatter, PhilippHenningson, Dan S.

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Li, QiangSchlatter, PhilippHenningson, Dan S.
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