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Numerical Simulation of Vortical Flows over Close-Coupled Canard-Wing Configuration.

Longo, J. M. A. and Das, A. (1990) Numerical Simulation of Vortical Flows over Close-Coupled Canard-Wing Configuration. AIAA 8th Applied Aerodynamics Conference,20-22 August 1990, Portland, Oregon, USA.

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Abstract

The numerical solution of Euler equations is very well suited for computing the vortical flow fields of slender delta wings. The basic requirement is to have proper grid structuring in regions of high flow gradients, such that one obtains reliable and consistent results for arbitrary combinations of grid topologies and numerical algorithm. Having assured the capability and effiency of the numerical approach in yielding a good flow resolution, the present study was aimed to find all details regarding the interaction of the vortex systems of a canard-delta wing combination. Extensive analysis was undertaken to compare the velocities, pressures, and loss of total pressure in the spiraling vortical flows with the canard-on and -off configurations. The results reveal interesting physical phenomena including the condition for onset of vortex bursting at the canard and on the main wing.

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=1990, pages=10,
Title:Numerical Simulation of Vortical Flows over Close-Coupled Canard-Wing Configuration.
Authors:
AuthorsInstitution or Email of Authors
Longo, J. M. A.UNSPECIFIED
Das, A.UNSPECIFIED
Date:1990
Status:Published
Keywords:Numerical Simulation, Vortical Flows, Canard-Wing
Event Title:AIAA 8th Applied Aerodynamics Conference,20-22 August 1990, Portland, Oregon, USA
HGF - Research field:UNSPECIFIED
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:no assignment
DLR - Research theme (Project):L - Concepts & Integration
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:04

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