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Aeroacoustics Research in Europe: 5.1 Tail Rotor Noise Under Main/Tail Rotor Interaction

Yin, J. (2003) Aeroacoustics Research in Europe: 5.1 Tail Rotor Noise Under Main/Tail Rotor Interaction. Journal of Sound and Vibration, 268 (4), pp. 809-824.

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To demonstrate the effects of main rotor (MR) and tail rotor (TR) mutual interaction on the aerodynamics and noise characteristics, a BO105 MR/TR configuration is chosen in the numerical simulations. A Main and Tail rotor Interaction Code (UPM-MANTIC) (Ref. 1) based on Unsteady free wake 3-D Panel Method is used to account for the mutual aerodynamic interference between MR and TR. The unsteady pressure on the MR and TR blade is calculated with (UPM-MANTIC and used as input to another DLR aeroacoustic code (APSIM = Aeroacoustic Prediction System based on Integral Method) to calculate rotor noise. Free wake and rotor noise computations were performed to study the effect of MR/TR mutual interaction on rotor wake development, blade loads and noise radiation. With the special emphasis on tail rotor noise, a climb flight is simulated.

Item URL in elib:https://elib.dlr.de/13061/
Document Type:Article
Additional Information: LIDO-Berichtsjahr=2005,
Title:Aeroacoustics Research in Europe: 5.1 Tail Rotor Noise Under Main/Tail Rotor Interaction
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Journal or Publication Title:Journal of Sound and Vibration
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 809-824
Keywords:Main and Tail rotor Interaction, Unsteady free wake, tail rotor noise
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft (old)
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Quiet and Comfortable Rotorcraft (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Grant, Claudia
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:54

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