COMPUTATIONAL STUDIES OF HELICOPTER AERODYNAMICS
In: Annals: Series on engineering sciences (Academy of Romanian Scientists), Jg. 15 (2023), Heft 1, S. 54-64
Online
academicJournal
Zugriff:
The present research concerns the helicopter aerodynamics and the blade-vortex interaction phenomenon. The computational studies are carried out using the large-eddy simulation approach for subsonic incompressible flow of Reynolds number Re=1.3x106. The helicopter aerodynamics is dominated by the blade-vortex interaction (BVI) phenomenon which is responsible for noise and vibrations. During the helicopter flight, a tip-vortex filament is formed and its interaction with the advancing blade causes the blade-vortex interaction phenomenon. The study shows that the blade-vortex interaction causes oscillations of the aerodynamic coefficients. Due to the turbulence phenomenon, the oscillations exhibit a non-linear behaviour.
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COMPUTATIONAL STUDIES OF HELICOPTER AERODYNAMICS
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Autor/in / Beteiligte Person: | Marcel, ILIE ; Augustin, SEMENESCU |
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Zeitschrift: | Annals: Series on engineering sciences (Academy of Romanian Scientists), Jg. 15 (2023), Heft 1, S. 54-64 |
Veröffentlichung: | Editura Academiei Oamenilor de Știință din România, 2023 |
Medientyp: | academicJournal |
ISSN: | 2066-6950 (print) ; 2066-8570 (print) |
DOI: | 10.56082/annalsarscieng.2023.1.54 |
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