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

Frank T. Zurheide (), Matthias Meinke () and Wolfgang Schröder ()
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Frank T. Zurheide: RWTH Aachen University, Institute of Aerodynamics
Matthias Meinke: RWTH Aachen University, Institute of Aerodynamics
Wolfgang Schröder: RWTH Aachen University, Institute of Aerodynamics

A chapter in High Performance Computing on Vector Systems 2008, 2009, pp 223-242 from Springer

Abstract: Abstract 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.

Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-85869-0_20

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DOI: 10.1007/978-3-540-85869-0_20

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