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Improved Transition and Reynolds Stress Modeling in RANS Simulations

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Computational Flight Testing

Part of the book series: Notes on Numerical Fluid Mechanics and Multidisciplinary Design ((NNFM,volume 123))

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Abstract

Recent developments in Reynolds-stress modeling for applications in aircraft aerodynamics are presented. These include a nonlinear pressure-strain correlation, sensitizing the length-scale equation to pressure gradients and large scale variations, laminar-turbulent transition modeling using linear stability analysis, and a careful calibration of model constants.

The improved Reynolds-stress model is used to simulate different subsonic and transonic airfoil flows as well as an oblique-shock/boundarylayer interaction, employing the unstructured flow solver DLR-TAU. Furthermore the simulation of the flow around an infinite swept wing is presented, in which the prediction and modeling of both Tollmien- Schlichting instabilities and cross-flow instabilities is included.

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Authors and Affiliations

  1. Institute of Fluid Mechanics, Technische Universität Braunschweig, D-38108, Braunschweig, Germany

    René-Daniel Cécora & Rolf Radespiel

  2. Institute of Aerodynamics and Flow Technology, German Aerospace Center, D-37073, Göttingen, Germany

    Axel Probst

Authors
  1. René-Daniel Cécora
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  2. Rolf Radespiel
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  3. Axel Probst
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Corresponding author

Correspondence to René-Daniel Cécora .

Editor information

Editors and Affiliations

  1. , Institute of Aerodynamics and, German Aerospace Center (DLR), Lilienthalplatz 7, Braunschweig, 38108, Germany

    Norbert Kroll

  2. Institute of Fluid Mechanics, Technische Universität Braunschweig, Hermann-Blenk-Str. 37, Braunschweig, 38108, Germany

    Rolf Radespiel

  3. Airbus Operations Gmbh, Airbus-Allee 1, Bremen, 28199, Germany

    Jan Willem Burg

  4. Aerodynamics & Methods, Cassidian, Rechliner Strasse, Manching, 85077, Germany

    Kaare Sørensen

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Cécora, RD., Radespiel, R., Probst, A. (2013). Improved Transition and Reynolds Stress Modeling in RANS Simulations. In: Kroll, N., Radespiel, R., Burg, J., Sørensen, K. (eds) Computational Flight Testing. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 123. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-38877-4_5

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  • DOI: https://doi.org/10.1007/978-3-642-38877-4_5

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-38876-7

  • Online ISBN: 978-3-642-38877-4

  • eBook Packages: EngineeringEngineering (R0)

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