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On the Generation of a Helicopter Aerodynamic Database

Raffel, Markus and de Gregorio, Frabizio and de Groot, Klaus and Schneider, Oliver and Gibertini, G. and Seraudie, Alain (2011) On the Generation of a Helicopter Aerodynamic Database. The Aeronautical Journal, 115 (1164), pp. 103-112. Cambridge University Press. ISSN 0001-9240.

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The GOAHEAD (Generation of an Advanced Helicopter Experimental Aerodynamic Database for CFD code validation) consortium was created in the frame of an EU-project in order to create an experimental database for the validation of 3D-CFD and comprehensive aeromechanics methods for the prediction of unsteady viscous flows. This included the rotor dynamics for complete helicopter configurations, i.e. main rotor - fuselage - tail rotor configurations with emphasis on viscous phenomena like flow separation and transition from laminar to turbulent flow. The wind tunnel experiments have been performed during two weeks in the DNW-LLF on a Mach-scaled model of a modem transport helicopter consisting of the main rotor, the fuselage, control surfaces and the tail rotor. For the sake of controlled boundary conditions for later CFD validation, a closed test section has been used. The measurement comprised global forces of the main rotor and the fuselage, steady and unsteady pressures, transition positions, stream lines, position of flow separation, velocity profiles at the test section inlet, velocity fields in the model wake, vortex trajectories and elastic deformations of the main and tail rotor blades.

Item URL in elib:https://elib.dlr.de/69392/
Document Type:Article
Additional Information:FEBRUARY 2011
Title:On the Generation of a Helicopter Aerodynamic Database
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Raffel, Markusmarkus.raffel (at) dlr.dehttps://orcid.org/0000-0002-3340-9115
de Gregorio, FrabizioCIRA, Capua (Italy)UNSPECIFIED
de Groot, Klausklaus.degroot (at) dlr.deUNSPECIFIED
Schneider, Olivero.schneider (at) dlr.deUNSPECIFIED
Gibertini, G.Politecnico di Milano (Italy)UNSPECIFIED
Seraudie, AlainONERA, Toulouse (France)UNSPECIFIED
Date:February 2011
Journal or Publication Title:The Aeronautical Journal
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 103-112
EditorsEmailEditor's ORCID iD
Publisher:Cambridge University Press
Keywords:PIV, boundary layer, helicopter, laminar-turbulent transition
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft (old)
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Active Rotorcraft (old)
Location: Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Transport Aircraft
Institute of Aerodynamics and Flow Technology > Helicopters
Institute of Flight Systems > Rotorcraft
Deposited By: Winkels, Elisabeth
Deposited On:06 Apr 2011 11:34
Last Modified:10 Jan 2019 15:50

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