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Aeroacoustics of Rotorsystems and Airframe Noise Sources

Heller, H. (1999) Aeroacoustics of Rotorsystems and Airframe Noise Sources. The Low Speed Aerodynamics Institute (CARDC), Mianyang, Sichnan (prc), 01.04.1999.

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DLR studies rotor noise sources through dedicated experiments in the German Dutch Wind Tunnel (DNW) on 40%-scaled models of main - and tail-rotors with the objective to further the understanding of the physics of rotor noise generation and radiation and to provide comprehensive data bases for computational tool developments (unsteady Panel Methods for BVI and combinations of CFD and Kirchhoff-methods for high-speed impulsive noise phenomena). In the aera of airframe noise generated by the interaction of flow and deployed landing gears or wing high-lift devices on commercial aeroplanes) DLR conducts tests in the DNW to identify and rank-order the dominant sources and to develop technically feasible means to control such noise. - The presentation provides an in-depths discussion of these research activities and results to-date.

Item URL in elib:https://elib.dlr.de/13131/
Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Aeroacoustics of Rotorsystems and Airframe Noise Sources
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Aviation Noise, Helicopter Rotor Noise, Rotor Noise Control, Airframe Noise, Landing Gear Noise, Aerodynamically induced Noise of Wing High Lift Devices
Event Title:The Low Speed Aerodynamics Institute (CARDC), Mianyang, Sichnan (prc), 01.04.1999
Organizer:Low Speed Aerodynamics Institute in Mianyang (prc)
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:L VU - Air Traffic and Environment (old)
DLR - Research area:Aeronautics
DLR - Program:L VU - Air Traffic and Environment
DLR - Research theme (Project):L - Quiet Air Traffic (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: DLR-Beauftragter, elib
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:00

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