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Rotorcraft Noise Ground Footprints Estimation and Preliminary Lower Noise Flight procedure design Using DLR Flight Test Data

Yin, J. (2004) Rotorcraft Noise Ground Footprints Estimation and Preliminary Lower Noise Flight procedure design Using DLR Flight Test Data. DLR-Interner Bericht. 124-2004/19, 21 S.

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Abstract

DLR noise abatement flight procedure design code, HEMISPHERE is currently under development. The purposes of the development are to assess acoustic ground footprints over a large area, using acoustic data gathered from only limited ground microphones and to design lower noise flight procedure based on either flight test data or purely numerical simulations. The major elements and their functions in the HEMISPHERE code as well as the code validation using pure numerical simulation results were described in reference. This report gives a brief description of DLR flight test as well as a discussion on ground footprints estimation using flight test data. HEMISPHERE code validation and the noise ground footprints estimation using DLR aeroacoustic flight Test Data are presented, and finally a preliminary manually established noise abatement flight procedure is demonstrated.

Item URL in elib:https://elib.dlr.de/12984/
Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=2005,
Title:Rotorcraft Noise Ground Footprints Estimation and Preliminary Lower Noise Flight procedure design Using DLR Flight Test Data
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Yin, J.UNSPECIFIEDUNSPECIFIED
Date:2004
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:21
Status:Published
Keywords:Rotorcraft Noise Ground Footprints, Lower Noise Flight procedure design, Flight Test
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 19:47

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