Meandering of Wing-Tip Vortices Interacting with a Cold Jet in the Extended Wake

  • Frank T. Zurheide
  • Matthias Meinke
  • Wolfgang Schröder


The spatial development of a vortex wake behind a half wing is simulated up to the extended near field. Results from wind tunnel measurements are used as inflow boundary conditions for an LES of the wake region. An aircraft engine is modeled in the experimental setup, where a cold jet is driven by pressurized air. The engine is mounted in two different positions under the wing model to investigate the influence of the location of the engine jet on the vortex wake. The numerical simulations of the wake are able to predict trajectories and instabilities of the vortex core. A position of the engine towards the root of the wing creates a smaller deflection of the vortex and excites fewer wave modes of the vortex.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Frank T. Zurheide
    • 1
  • Matthias Meinke
    • 1
  • Wolfgang Schröder
    • 1
  1. 1.Institute of AerodynamicsRWTH Aachen UniversityAachenGermany

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