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Calculation of Viscous Flow around the BO105 Main Rotor in Hover

Chelli, E. and Pahlke, K. (1999) Calculation of Viscous Flow around the BO105 Main Rotor in Hover. DLR-Interner Bericht. 129-99/27. 36 S.

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In this work aerodynamic performance simulations of the full scale BO105 main rotor in hover flight conditions are conducted using the CFD Euler/Navier-Stokes flow solver FLOWer. Navier-Stokes calculations were made for a wide range of rotor collective pitch angles and compared with experimental data. In a first approach the rotor performances were simulated assuming the blades as rigid bodies. Large overestimations were found in the comparison of the predicted rotor thrust and power values with the experimental data. Substantial improvement of the results was obtained taking into account the aero-elastic blade deformations.

Item URL in elib:https://elib.dlr.de/13359/
Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=2001,
Title:Calculation of Viscous Flow around the BO105 Main Rotor in Hover
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Open Access:No
Number of Pages:36
Keywords:CFD, N-S equations, rotor flows, rotary flows, hover, aero-elasticity
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft (old)
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Virtual Aerodynamic Rotorcraft (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: Grant, Claudia
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:20

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