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Lateral Stability Derivatives for Osculating Cones Waveriders in Sub- and Transonic Flow

Strohmeyer, D. (1998) Lateral Stability Derivatives for Osculating Cones Waveriders in Sub- and Transonic Flow. AIAA 8th International Space Planes and Hypersonic Systems and Technologies Conference, Norfolk (usa), 27.-30.04.1998.

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Abstract

The behaviour of the static lateral stability characteristics for Osculating Cones Waveriders in sub- and transonic flow is discussed. Two waverider shapes with different planform, derived from integrated predesign studies, were chosen for the numerical investigation. The inviscid flowfield is calculated with the DLR Euler/Navier-Stokes Code CEVCATS. the influence of grid fineness and viscous effects on the solution was analyzed. It is found that the stability characteristics of both configurations are strongly influenced by vortical flow along the entire Mach number range under consideration. Both configurations show a stable behaviour at high angles of attack. However, at low angles of attack the directional stability is lost due to the behaviour of the leading edge vortex. In transonic flow the shifting terminating shock leads to an increases of the static lateral stability and a decrease of the directional stability.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Lateral Stability Derivatives for Osculating Cones Waveriders in Sub- and Transonic Flow
Authors:
AuthorsInstitution or Email of Authors
Strohmeyer, D.UNSPECIFIED
Date:1998
Status:Published
Keywords:Waveriders, Osculating Cones, Lateral Stability, Directional Stability, Subsonic Flow, Transonic Flow, Euler, Navier-Stokes, Vortical Flow, Terminating Shock
Event Title:AIAA 8th International Space Planes and Hypersonic Systems and Technologies Conference, Norfolk (usa), 27.-30.04.1998
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:Space
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):W - Grundlagen Raumtransport - Anlagen und Messtechnik (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:00

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