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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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)|
|Title:||Application of Cartesian Background Grid in combination with Chimera Method to predict Aerodynamics of Helicopter Fuselage|
|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|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L RR - Rotorcraft Research|
|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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