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A Detailed Comparison of DLR and ONERA 3D Euler Methods for Rotors in High Speed Forward Flight

Pahlke, K. and Boniface, J.-C. (1998) A Detailed Comparison of DLR and ONERA 3D Euler Methods for Rotors in High Speed Forward Flight. In: Paper AE14. 24th European Rotorcraft Forum, Marseilles, 1998.

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Abstract

This paper compares the ONERA deforming grid and the DLR chimera Euler method for isolated rotors in high speed forward flight. The following investigations were carried out: Using the DLR chimera method the effect of the far field distance, of introducing an artificial hub boundary and of changing the position of the blade root were investigated. The sensitivity of the method to the dihedral of the blade was shown by running one computation without dihedral. The ONERA and DLR methods are compared in terms of pressure coefficients, z-force coefficients and vorticity plots. The overall agreement of the methods with each other and with the experimental data for the ONERA PF1 rotor in high speed forward flight is very good.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1999,
Title:A Detailed Comparison of DLR and ONERA 3D Euler Methods for Rotors in High Speed Forward Flight
Authors:
AuthorsInstitution or Email of Authors
Pahlke, K.UNSPECIFIED
Boniface, J.-C.UNSPECIFIED
Date:1998
Journal or Publication Title:Paper AE14
Status:Published
Keywords:CFD, Euler Equations, chimera, wake capturing, multibladed rotor, transonic flow, unsteady flows, deforming grids
Event Title:24th European Rotorcraft Forum, Marseilles, 1998
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L DT - Drehflüglertechnologien
DLR - Research theme (Project):L - The Virtual Aerodynamic Rotorcraft
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: Claudia Grant
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:03

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