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Main Phase of the ERATO Cooperation on Aeroacoustic Rotor Optimization

Splettstößer, Wolf R. and Prieur, Jean and Pahlke, Klausdieter and Schultz, K.-J. and van der Wall, Berend G. and Delrieux, Yves and Gardarein, Patrick and Geoffroy, P. and Leconte, Philippe (1997) Main Phase of the ERATO Cooperation on Aeroacoustic Rotor Optimization. DLR-Interner Bericht. DLR-IB 129-97/10, ONERA TRS 131/5094 PY, 67 S. (Unpublished)

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Abstract

This report summarizes major steps and results of the second or main phase of the aeroacoustic rotor optimization programme (ERATO), which was jointly conducted by ONERA and DLR. In order to fulfil the ambitious design goal of 6dB reduction of the BVI impulsive noise during landing approaach compared to the 7AD reference rotor, extensive parametric studies on different rotor and blade design parameters were performed followed by the aeroacoustic optimization process which was based on the results of the parametric studies and on engineering judgement.

Item URL in elib:https://elib.dlr.de/20413/
Document Type:Monograph (DLR-Interner Bericht)
Title:Main Phase of the ERATO Cooperation on Aeroacoustic Rotor Optimization
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Splettstößer, Wolf R.UNSPECIFIEDUNSPECIFIED
Prieur, JeanONERAUNSPECIFIED
Pahlke, KlausdieterUNSPECIFIEDUNSPECIFIED
Schultz, K.-J.UNSPECIFIEDUNSPECIFIED
van der Wall, Berend G.UNSPECIFIEDUNSPECIFIED
Delrieux, YvesONERAUNSPECIFIED
Gardarein, PatrickONERAUNSPECIFIED
Geoffroy, P.ONERAUNSPECIFIED
Leconte, PhilippeONERAUNSPECIFIED
Date:1997
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:67
Status:Unpublished
Keywords:ERATO, aeroacoustic rotor optimization
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: Braunschweig , Göttingen
Institutes and Institutions:Institute of Flight Systems > Rotorcraft
Institute of Aerodynamics and Flow Technology > Technical Acoustics
Institute of Aerodynamics and Flow Technology > CASE
Deposited By: van der Wall, Prof. Dr. Berend G.
Deposited On:19 Dec 2005
Last Modified:27 Apr 2009 04:46

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