Numerical simulation of the peculiar subsonic flow-field about the VFE-2 delta wing with rounded leading edge

Author: Willy Fritz

Abstract:
The Second International Vortex Flow Experiment provided a variety of experimental data for a 65◦ swept delta wing sharp and blunt leading edges. Flow details including forces and moments, surface pressures, Pressure Sensitive Paint measurements, and off-surface flow variables from Particle Image Velocimetry were made available for comparisons with computational simulations. This paper concentrates on some typical problems of delta wings with rounded leading edges at subsonic speed: the prediction of the main leading edge separation, the generation of the second inner vortex, the effect of transition, and Reynolds number effects.

Keywords:
Vortical flow
Delta wing
Round leading edge
Numerical simulation

Published in: Aerospace Science and Technology  (Volumes 24, Issue 1, January -  February, 2013)

Publisher: Elsevier

ISSN Information: 1270-9638

Numerical simulation of the peculiar subsonic flow-field about the VFE-2 delta wing with rounded leading edge

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