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Published in:
Attached and Detached Eddy Simulation Read chapter Read first chapter

2018 | OriginalPaper | Chapter

Hybrid RANS/LES Simulation Strategy for High-Lift Applications with Disturbed Inflow

Author : Silvia Probst

Published in: Progress in Hybrid RANS-LES Modelling

Publisher: Springer International Publishing

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Abstract

This paper presents a strategy to investigate the influence of inflow disturbances on the performance of high-lift airfoils in numerical simulations. The method relies on the algebraic delayed detached-eddy simulation (ADDES), which alows a flexible introduction of synthetic turbulence to trigger the scale resolving mode of the turbulence model. First it is shown that the flow separation is sensitive to the position of the synthetic turbulence injection. Then the ability of the method to predict the influence of a generic vortex on a DLR F15 two-element airfoil is demonstrated.

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previous chapter Implementation and Assessment of the Synthetic-Eddy Method in an Unstructured Compressible Flow Solver
next chapter Grey-Area Mitigation Using Commutation Terms at the Interfaces in Hybrid RANS-LES Modeling
Footnotes
1
Near the wall the PIV results are afflicted with uncertainties.
 
Literature
1.
François, D.G., Radespiel, R.: Airfoil stall simulations with algebraic delayed DES and physically based synthetic turbulence for RANS-LES transition. In: AIAA, p. 2574 (2014)
2.
Klein, S., Hahn, D., Scholz, P., Radespiel, R.: Vortex interactions with a high-lift airfoil in a low speed wind tunnel. In: AIAA, p. 2875 (2013)
3.
Klein, S., Hoppmann, D., Scholz, P., Radespiel, R.: High-lift airfoil interacting with a vortical disturbance: wind-tunnel measurements. AIAA J. 53(6), 1681–1692 (2015)
4.
Knopp, T., Probst, A.: An Algebraic sensor for the RANS-LES switch in delayed detached-eddy simulation. In: Dillmann, A., Heller, G., Kreplin, H.P., Nitsche, W., Peltzer, I. (eds.) New Results in Numerical and Experimental Fluid Mechanics VIII, Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol. 121, pp. 457–464. Springer (2013)
5.
Probst, A., Radespiel, R., Knopp, T.: Detached-eddy simulation of aerodynamic flows using a reynolds-stress background model and algebraic RANS/LES sensors. In: AIAA, p. 3206 (2011)
6.
Probst, A., Reuß, S.: Scale-resolving simulations of wall-bounded flows with an unstructured compressible flow solver. In: Girimaji, S., Haase, W., Peng, S., Schwamborn, D. (eds.) Progress in Hybrid RANS-LES Modelling, Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol. 130, pp. 481–491. Springer (2015)
7.
Reuß, S.: A grid-adaptive algebraic hybrid RANS/LES method. Doctoral thesis, Universität Göttingen (2015)
8.
Reuß, S., Probst, A., Knopp, T.: Numerical investigation of the DLR F15 two-element airfoil using a Reynolds stress model. In: Joint Symposium “Simulation of Wing and Nacelle Stall”, 21–22 June 2012. Braunschweig, Germany (2012)
9.
Reuß, S., Probst, A., Knopp, T., Wawrzinek, K.P.: Hybrid RANS/LES study of the development of an airfoil-generated vortex. In: Radespiel, R., Niehuis, R., Kroll, N., Behrends, K. (eds.) Advances in Simulation of Wing and Nacelle Stall, Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol. 131, pp. 41–54. Springer (2015)
Metadata
Title
Hybrid RANS/LES Simulation Strategy for High-Lift Applications with Disturbed Inflow
Author
Silvia Probst
Copyright Year
2018
Book
Progress in Hybrid RANS-LES Modelling

Print ISBN: 978-3-319-70030-4

Electronic ISBN: 978-3-319-70031-1

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-3-319-70031-1_8

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