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The Compressible Inviscid Vortex Flow of a Sharp Delta Wing

Longo, J.M.A. (1994) The Compressible Inviscid Vortex Flow of a Sharp Delta Wing. In: ICAS Proceedings (1994) 94-4.3.3. AIAA 94-0071, 32nd Aerospace Sciences Meeting & Exhibit, Reno, NV (19 94).

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Abstract

An analysis is presented on the compressible inviscid vortex flow over three delta wings with sharp leading edges with leading edge sweep angles 60, 70 and 76 degrees using numerical solutions of the Euler equations. Presentations of results are given for Mach numbers ranging from M &#61 0.1 to 0.8 and for angles of attack up to the onset of vortex breakdown. The paper focusses the attention on the effects of the vortex flow on the flow field of a delta wing. The occurence of shock waves of two types: cross-flow and terminating (or rear) shocks induced vortex breakdown and the effects of compressibility on the rapid performance degradation of delta wings after vortex bursting are studied in detail. Moreover, the changes on flow kinematic within the vortex core due to the close presence of the wing are also studied.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1994, pages=11,
Title:The Compressible Inviscid Vortex Flow of a Sharp Delta Wing
Authors:
AuthorsInstitution or Email of Authors
Longo, J.M.A.UNSPECIFIED
Date:1994
Journal or Publication Title:ICAS Proceedings (1994) 94-4.3.3
Status:Published
Keywords:Vortex Flow, Compressible Flow, Inviscid Flow, Numerical Simulation, Delta Wing
Event Title:AIAA 94-0071, 32nd Aerospace Sciences Meeting & Exhibit, Reno, NV (19 94)
HGF - Research field:UNSPECIFIED
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:L ST - Starrflüglertechnologien
DLR - Research theme (Project):L - Military Technologies
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 10:05

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