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Towards CFD Validation for 3D High Lift Flows - EUROLIFT

Rudnik, R. (2001) Towards CFD Validation for 3D High Lift Flows - EUROLIFT. In: Book of Abstracts - ECCOMAS CFD 2001, 70-. ECCOMAS Computational Fluid Dynamics Conference 2001, Swansea (gb), 04.-07.09.2001. ISBN 0905091116.

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Kurzfassung

The major purpose of the European High Lift Programme EUROLIFT is a common assessment of CFD code capabilities with respect to the aerodynamic simulation of the flow field of 3-dimensional high lift transport aircraft configurations. The present contribution describes the status of the theoretical workpackage (WP2) of EUROLIFT at roughly half of the project's duration. The theoretical investigations cover the aspects CFD code assessment, code improvement, and transition prediction. These activities are being accompanied and supported by two experimental workpackages for validation (WP1) and verification (WP3) wind tunnel tests. The main objectives are a common assessment of European state-of-the-art CFD codes for 3-dimensional high lift flows in general and the simulation of the Re No. influence up to flight conditions in special. Accompanying to the main focus, that is laid on 3-dimensional studies, 2-dimensional computations of high lift airfoils are carried out, either in order to validate the different CFD codes used by the EUROLIFT partners in continuation of preceding common studies, as well as to demonstrate code improvements provided throughout the project runtime, before applying them to the much more complex 3-dimensional test cases. Concerning the simulation of 3-dimensional flows, aspects such as CAD-CFD geometry refurbishing, structured and hybrid unstructured grid generation for the transport aircraft configurations are discussed. First results of corresponding Navier-Stokes computations are presented. In order to separate in a first step the assessment of the numerical simulation quality from the influence of transition effects, the RANS computations are carried out either assuming fully turbulent flow or detected transition locations from the experiments, if available. Nevertheless, due to the importance of transition prediction corresponding studies are conducted within EUROLIFT for an untapered swept 3-element wing.

elib-URL des Eintrags:https://elib.dlr.de/12378/
Dokumentart:Konferenzbeitrag (Paper)
Zusätzliche Informationen: LIDO-Berichtsjahr=2002,
Titel:Towards CFD Validation for 3D High Lift Flows - EUROLIFT
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Rudnik, R.NICHT SPEZIFIZIERTNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:2001
Erschienen in:Book of Abstracts - ECCOMAS CFD 2001
Open Access:Nein
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Seitenbereich:70-
ISBN:0905091116
Status:veröffentlicht
Stichwörter:Aerodynamics, CFD Validation, High Lift Configurations, EUROLIFT
Veranstaltungstitel:ECCOMAS Computational Fluid Dynamics Conference 2001, Swansea (gb), 04.-07.09.2001
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Luftfahrt
HGF - Programmthema:keine Zuordnung
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L ST - Starrflüglertechnologien
DLR - Teilgebiet (Projekt, Vorhaben):L - Konzepte & Integration (alt)
Standort: Köln-Porz , Braunschweig , Göttingen
Institute & Einrichtungen:Institut für Aerodynamik und Strömungstechnik
Hinterlegt von: Grant, Claudia
Hinterlegt am:31 Jan 2006
Letzte Änderung:14 Jan 2010 18:53

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