Interaction of Wing-Tip Vortices and Jets in the Extended Wake

  • Frank T. Zurheide
  • Guido Huppertz
  • Ehab Fares
  • Matthias Meinke
  • Wolfgang Schröder
Conference paper
Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design book series (NNFM, volume 109)


The interaction of wing-tip vortices and jets in the extended wake is experimentally and numerically investigated. The measurements focus on the unsteady wake of a swept-wing half-model equipped with an engine jet and on the analysis of meandering vortex. The aircraft engine is modeled by a cold jet driven by pressurized air. To investigate the influence of the location of the engine jet on the vortex wake, it is mounted in two different positions under the wing model. The spatial development of a vortex wake behind a wing is simulated up to the extended near field. The measurements are used as inflow distribution for a large-eddy simulation (LES) of the wake region. To better capture the motion of the wake vortices a method for hexahedral block structured adaptive mesh refinement with vertex-centered fluxes is introduced. The numerical simulations of the wake are able to predict trajectories and instabilities of the vortex core. The closer the engine is located near the root of the wing, the smaller is the deflection of the vortex and the fewer wave modes of the vortex are excited. The meandering motion of the vortex core is triggered by the engine jet.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Frank T. Zurheide
    • 1
  • Guido Huppertz
    • 1
  • Ehab Fares
    • 1
  • Matthias Meinke
    • 1
  • Wolfgang Schröder
    • 1
  1. 1.Institute of AerodynamicsRWTH Aachen UniversityAachenGermany

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