D'Alascio, A., Eurocopter Deutschland, and Pahlke, K. and Le Chuiton, F. (2004) Application of a structured and an unstructured CFD Method to the Fuselage Aerodynamics of the EC145 Helicopter. Prediction of the time averaged Influence of the Main Rotor. In: CD. ECCOMAS 2004, Jyväskylä (fi), 24.-28.07.2004.
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The first part of the paper presents a comparison between CFD results and wind tunnel measurements on the isolated fuselage of the EC145 helicopter in level flight conditions at medium flight speed. Two RANS (Reynolds Averaged Navier-Stokes) codes have been used for this analysis: the multiblock structured code FLOWer and the unstructured code TAU. The second part of the paper shows the effect on local and global flow quantities of the Actuator Disk (AD) boundary condition implemented in the FLOWer code. For this purpose isolated fuselage results about the EC145 in high speed forward flight have been compared with the corresponding results on a fuselage plus AD configuration.
|Document Type:||Conference or Workshop Item (Paper)|
|Title:||Application of a structured and an unstructured CFD Method to the Fuselage Aerodynamics of the EC145 Helicopter. Prediction of the time averaged Influence of the Main Rotor.|
|Journal or Publication Title:||CD|
|Keywords:||RANS, Actuator disk model, quasi steady flows, rotor-fuselage-configuration, structured grid, unstructured grid, EC145|
|Event Title:||ECCOMAS 2004, Jyväskylä (fi), 24.-28.07.2004|
|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:||31 Jan 2006|
|Last Modified:||14 Jan 2010 19:38|
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