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Hybrid RANS-LES Study of Transonic Flow in the Wake of a Generic Space Launch Vehicle

  • Tim HorchlerEmail author
  • Kai Oßwald
  • Volker Hannemann
  • Klaus Hannemann
Conference paper
Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design book series (NNFM, volume 137)

Abstract

Transonic flow in the wake of a generic space launch vehicle is investigated using Improved Delayed Detached-Eddy simulations on quasi-structured, partially unstructured and hybrid grids. It is shown that a \(90^\circ \) segment of the full domain can already capture the main afterbody flow dynamics and give a good agreement with experimental results. In order to assess the effect of unstructured grids, simulation results on a grid with an unstructured recirculation region are compared to a quasi-structured and a true hybrid grid. Finally, a comparison between IDDES and zonal DES results are presented and discussed.

Notes

Acknowledgements

The authors would like to thank Axel Probst and Silvia Probst from the DLR Göttingen CASE department for providing the ADDES version of the DLR TAU code and their constant help with scale-resolving simulations in TAU.

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  • Tim Horchler
    • 1
    Email author
  • Kai Oßwald
    • 1
  • Volker Hannemann
    • 1
  • Klaus Hannemann
    • 1
  1. 1.Spacecraft DepartmentGerman Aerospace Center (DLR)GöttingenGermany

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