Title

High Angle Of Attack Helicopter Blade-Vortex Interaction; Numerical Studies Using Les

Abstract

The influence of angle of attack on the helicopter blade-vortex mechanism of interaction is investigated using large eddy simulation (LES). The LES technique provides a promising tool for obtaining the unsteady wall-pressure fields, aerodynamic coefficients and the acoustic source functions. A large eddy simulation is carried out for a two-dimensional Blade-Vortex Interaction (BVI) problem, for a chord based Reynolds number of 1.3x106. Computations are carried out to investigate the influence of angle of attack (α = 0θ, α = 5θ, α = 10θ) on the aerodynamic coefficients and acoustic field. © 2011 by Marcel Ilie.

Publication Date

12-1-2011

Publication Title

20th AIAA Computational Fluid Dynamics Conference 2011

Number of Pages

-

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

Socpus ID

84880641769 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84880641769

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