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LESFOIL: Large Eddy Simulation of Flow Around a High Lift Airfoil

Results of the Project LESFOIL Supported by the European Union 1998 – 2001

  • Conference proceedings
  • © 2003

Overview

Editors:
  1. Lars Davidson

    1. Dept. of Thermo and Fluid Dynamics, Chalmers University of Technology, Gothenburg, Sweden

  2. Davor Cokljat

    1. Fluent Europe Ltd., Sheffield, Great Britain

  3. Jochen Fröhlich

    1. Institute for Hydromechanics, Universität Karlsruhe, Karlsruhe, Germany

  4. Michael A. Leschziner

    1. Technology and Medicine Aeronautics Department, Imperial College of Science, London, Great Britain

  5. Chris Mellen

    1. Institute for Hydromechanics, Universität Karlsruhe, Karlsruhe, Germany

  6. Wolfgang Rodi

    1. Institute for Hydromechanics, Universität Karlsruhe, Karlsruhe, Germany

  • Recent results on Large Eddy Simulation applied for aeronautical flows
  • Includes supplementary material: sn.pub/extras

Part of the book series: Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM, volume 83)

  • 2597 Accesses

  • 47 Citations

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About this book

Large Eddy Simulation is a relatively new and still evolving computatio­ nal strategy for predicting turbulent flows. It is now widely used in research to elucidate fundamental interactions in physics of turbulence, to predict phe­ nomena which are closely linked to the unsteady features of turbulence and to create data bases against which statistical closure models can be asses­ sed. However, its applicability to complex industrial flows, to which statisti­ cal models are applied routinely, has not been established with any degree of confidence. There is, in particular, a question mark against the prospect of LES becoming an economically tenable alternative to Reynolds-averaged N avier-Stokes methods at practically high Reynolds numbers and in complex geometries. Aerospace flows pose particularly challenging problems to LES, because of the high Reynolds numbers involved, the need to resolve accura­ tely small-scale features in the thin and often transitional boundary layers developing on aerodynamic surfaces. When the flow also contains a separated region - due to high incidence, say - the range and disparity of the influen­ tial scales to be resolved is enormous, and this substantially aggravates the problems of resolution and cost. It is just this combination of circumstances that has been at the heart of the project LESFOIL to which this book is devoted. The project combined the efforts, resources and expertise of 9 partner organisations, 4 universities, 3 industrial companies and 2 research institu­ tes.

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Table of contents (8 papers)

  1. Front Matter

    Pages I-XI
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  2. Introduction

    1. Front Matter

      Pages 1-1
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    2. Introduction

      • Lars Davidson, Davor Cokljat, Jochen Fröhlich, Michael A. Leschziner, Chris Mellen, Wolfgang Rodi
      Pages 1-6

  3. Preparatory Work

    1. Front Matter

      Pages 7-7
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    2. Task 1: Subgrid models

      • Lars Davidson, Davor Cokljat, Jochen Fröhlich, Michael A. Leschziner, Chris Mellen, Wolfgang Rodi
      Pages 9-21

    3. Task 2: Near-wall models

      • Lars Davidson, Davor Cokljat, Jochen Fröhlich, Michael A. Leschziner, Chris Mellen, Wolfgang Rodi
      Pages 22-57

    4. Task 4: Numerical methods

      • Lars Davidson, Davor Cokljat, Jochen Fröhlich, Michael A. Leschziner, Chris Mellen, Wolfgang Rodi
      Pages 58-71

  4. The Airfoil Investigations

    1. Front Matter

      Pages 73-73
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    2. Task 5: Airfoil Computations

      • Lars Davidson, Davor Cokljat, Jochen Fröhlich, Michael A. Leschziner, Chris Mellen, Wolfgang Rodi
      Pages 75-199

  5. Lessons Learned

    1. Front Matter

      Pages 201-201
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    2. Synthesis of the Airfoil Flow Simulations

      • C. P. Mellen, J. Fröhlich, W. Rodi
      Pages 203-221

  6. Conclusions and Outlook

    1. Front Matter

      Pages 223-223
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    2. Conclusions and Outlook

      • Lars Davidson, Davor Cokljat, Jochen Fröhlich, Michael A. Leschziner, Chris Mellen, Wolfgang Rodi
      Pages 225-231

  7. References

    1. Front Matter

      Pages 233-233
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    2. References

      • Lars Davidson, Davor Cokljat, Jochen Fröhlich, Michael A. Leschziner, Chris Mellen, Wolfgang Rodi
      Pages 235-240

  8. Back Matter

    Pages 241-248
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Editors and Affiliations

  • Dept. of Thermo and Fluid Dynamics, Chalmers University of Technology, Gothenburg, Sweden

    Lars Davidson

  • Fluent Europe Ltd., Sheffield, Great Britain

    Davor Cokljat

  • Institute for Hydromechanics, Universität Karlsruhe, Karlsruhe, Germany

    Jochen Fröhlich, Chris Mellen, Wolfgang Rodi

  • Technology and Medicine Aeronautics Department, Imperial College of Science, London, Great Britain

    Michael A. Leschziner

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