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Large-Eddy Simulation of Turbulent Flow in a Plane Asymmetric Diffuser by the Spectral-Element Method

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Direct and Large-Eddy Simulation VII

Part of the book series: ERCOFTAC Series ((ERCO,volume 13))

Abstract

LES and no-model LES (coarse-grid DNS) have been performed of turbulent flow in a plane asymmetric diffuser by the Spectral-Element Method (SEM). Mean profile and turbulent stresses compare well to LES results from Herbst e, however the SEM generally predicts a later (i.e. further downstream) separation. It can be concluded that the use of a high-order method is advantageous for flows featuring pressure-induced separation.

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Author information

Authors and Affiliations

  1. Linné Flow Centre, KTH Mechanics, Stockholm, Sweden

    Johan Ohlsson, Philipp Schlatter & Dan S. Henningson

  2. Argonne National Laboratory, MCS, Argonne, USA

    Paul F. Fischer

Authors
  1. Johan Ohlsson
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  2. Philipp Schlatter
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  3. Paul F. Fischer
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  4. Dan S. Henningson
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Corresponding author

Correspondence to Johan Ohlsson .

Editor information

Editors and Affiliations

  1. Dipto. Ingegneria Civile e Ambientale, Università di Trieste, Via Valerio, Trieste, 34127, Italy

    Vincenzo Armenio

  2. Fac. Mathematical Sciences, University of Twente, Enschede, Netherlands

    Bernard Geurts

  3. Fak. Maschinenwesen, Inst. Energiemaschinen und, TU Dresden, George-Bähr-Str. 3, Dresden, 01062, Germany

    Jochen Fröhlich

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Ohlsson, J., Schlatter, P., Fischer, P.F., Henningson, D.S. (2010). Large-Eddy Simulation of Turbulent Flow in a Plane Asymmetric Diffuser by the Spectral-Element Method. In: Armenio, V., Geurts, B., Fröhlich, J. (eds) Direct and Large-Eddy Simulation VII. ERCOFTAC Series, vol 13. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3652-0_29

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  • DOI: https://doi.org/10.1007/978-90-481-3652-0_29

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  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-3651-3

  • Online ISBN: 978-90-481-3652-0

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