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Application of Cartesian Background Grid in combination with Chimera Method to predict Aerodynamics of Helicopter Fuselage

Khier, W. and Schwarz, T. (2003) Application of Cartesian Background Grid in combination with Chimera Method to predict Aerodynamics of Helicopter Fuselage. 29th European Rotorcraft Forum, Friedrichshafen (de), 16.-18.09.2003.

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Abstract

Overlapping grid technique (Chimera) is combined with an automatically generated cartesian background grid to descretize the flow domain around a helicopter fuselage model. Three dimensional Navier-Stokes computations are performed with the DLR's CFD code FLOWer to predict air flow past an Eurocopter BO-105 fuselage under low Mach number forward flight conditions. The influence of several turbulence models of the two-equation k-w type is analyzed via direct comparison with the measured pressure distributions and aerodynamic coefficients. Among the models considered, the SST model showed the best agreement with the experimental data.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2005,
Title:Application of Cartesian Background Grid in combination with Chimera Method to predict Aerodynamics of Helicopter Fuselage
Authors:
AuthorsInstitution or Email of Authors
Khier, W.UNSPECIFIED
Schwarz, T.UNSPECIFIED
Date:2003
Status:Published
Keywords:Overlapping grids, Chimera, two-equation turbulence models, Fuselage aerodynamics
Event Title:29th European Rotorcraft Forum, Friedrichshafen (de), 16.-18.09.2003
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Virtual Aerodynamic Rotorcraft
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Claudia Grant
Deposited On:09 Oct 2005
Last Modified:14 Jan 2010 19:52

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