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Towards the simulation of unsteady manoeuvre dominated by vortical flow

Soemarwoto, B.I. and Boelens, O.J. and Fritz, W. and Arthur, M.T. and Ceresola, N. and Bütefisch, K.-A. (2003) Towards the simulation of unsteady manoeuvre dominated by vortical flow. In: AIAA, AIAA 2003-3528, pp. 1-12. American Institute of Aeronautics and Astronautics. 21st AIAA Applied Aerodynamics Conference, June 23-26, 2003, Orlando, Fl, USA.

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The paper addresses the applicability of unsteady Reynolds-Averaged Navier-Stokes CFD methods for the simulation of transonic vortical ow around delta wings. Three transonic flow cases are considered: a static delta wing, a delta wing rolling with a constant rate around the body axis, and a delta wing rolling with a constant rotational rate around the wind axis. Comparison of the computational results with experimental data, and comparison of results obtained using different CFD codes, are presented in terms of the flow quantities such as pressure coeffcient, skin-friction, total pressure loss and turbulence intensities, and in terms of the flow phenomena such as vortex breakdown and primary and secondary leading edge vortices. The differences in the ow solutions are discussed in relation with the discretisation schemes and the turbulence models used in the dierent codes. The results presented are an outcome of the research conducted by Alenia (Italy), EADS (Germany), NLR (The Netherlands), University of Glasgow and QinetiQ (United Kingdom) for the numerical work, and DLR (Germany) for the experimental work, which has been performed within Common Exercise I under the framework of European programme WEAG Thales JP12.15.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2003,
Title:Towards the simulation of unsteady manoeuvre dominated by vortical flow
AuthorsInstitution or Email of Authors
Soemarwoto, B.I.NLR, NL
Boelens, O.J.NLR; NL
Fritz, W.EADS
Arthur, M.T. QinetiQ, UK
Ceresola, N.Alenia, IT
Journal or Publication Title:AIAA
Volume:AIAA 2003-3528
Page Range:pp. 1-12
Publisher:American Institute of Aeronautics and Astronautics
Keywords:Reynolds number
Event Title:21st AIAA Applied Aerodynamics Conference
Event Location:Orlando, Fl, USA
Event Type:international Conference
Event Dates:June 23-26, 2003
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Ilka Micknaus
Deposited On:31 Jan 2006
Last Modified:22 Feb 2010 16:00

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