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Overview of Results Obtained During the 6-Year French-German CHANCE Project

Costes, M. and Pahlke, K. and D'Alascio, A. and Castellin, C. and Altmikus, A. (2005) Overview of Results Obtained During the 6-Year French-German CHANCE Project. American Helicopter Society 61st Annual Forum, Grapevine (usa), 01.-03.06.2005.

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The present paper gives an overview of the CHANCE research project (partly supported by the French DPAC and DGA and the German BMWA) which was started more than 6 years ago between the German and French Research Centres DLR and ONERA, the University of Stuttgart and the two National Helicopter Manufacturers, Eurocopter and Eurocopter Deutschland. The objective of the project was to develop and validate CFD tools for computing the aerodynamics of the complete helicopter, accounting for the blade elasticity by coupling with blade dynamics. The validation activity of the flow solvers was achieved through intermediate stages of increasing geometry and flow modelling complexity, starting from an isolated rotor in hover, and concluding with the time-accurate simulation of a complete helicopter configuration in forward-flight. All along the research programm the updated versions of the CFD codes were systematically delivered to industry. This approach was chosen to speed up the transfer of capabilities to industry and check early enough that the products meet the expectations for applicability in the industrial environment of Eurocopter.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2005,
Title:Overview of Results Obtained During the 6-Year French-German CHANCE Project
AuthorsInstitution or Email of Authors
Costes, M.ONERA
D'Alascio, A.EUROCOPTER Deutschland
Altmikus, A.EUROCOPTER Deutschland
Keywords:CHANCE project, CFD, RANS, helicopter, actuator disk model, quasi steady flows, time-accurate flows, rotor-fuselage configuration, structured grid, fluid-structure coupling
Event Title:American Helicopter Society 61st Annual Forum, Grapevine (usa), 01.-03.06.2005
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 19:42

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