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Simulation of a helicopter in Vortex Ring State through a coupled simulation of multi-body dynamics and aerodynamics

Walgraffe, Jérôme
(2024)

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Walgraffe_10331700_2024.pdf
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Details

Supervisors
Duponcheel, Matthieu ; Winckelmans, Grégoire ; Chatelain, Philippe
Faculty
Ecole polytechnique de Louvain
Degree label
Master [120] : ingénieur civil mécanicien, à finalité spécialisée
Abstract
Vortex ring state is a flight configuration that is encountered by helicopters when they meet the chaotic part of their wake. This happens at high rate of descent with low horizontal speed. This causes a loss in thrust and a loss in responsiveness of the controls of the aircraft. A coupled simulation of multi-body dynamics and aerodynamics is used to create a visualisation of vortex ring state and to analyze what happens to the rotor when this phenomena is encountered.

Citations

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Walgraffe, J. (2024). Simulation of a helicopter in Vortex Ring State through a coupled simulation of multi-body dynamics and aerodynamics. https://dial-mem.test.bib.ucl.ac.be/handle/2078.2/37102