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Applicability of ISO standard 3744 to UA

Treichel, Julia and Foerster, Jan and Volkert, Andreas and Lieb, Teemu Joonas (2022) Applicability of ISO standard 3744 to UA. EuroRegio BNAM2022, 09. - 11- Mai 2022, Aalborg, Dänemark.

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Abstract

Unmanned Aircraft Systems (UAS) are used for a variety of purposes. Especially the industrial or professional use of unmanned aircraft (UA) will lead to an increasing number of possible applications. The steadily rising number of UA raise the question of noise impact from these air traffic users. For the first time, an EU regulation provides a uniform noise rating for UA. It involves the introduction of a label for the guaranteed sound power level. This level is to be determined via EN ISO 3744:2010 by means of an enveloping surface method. Manufacturers are required to document the guaranteed sound power level as part of their CE marking. In addition, the EU regulation specifies a maximum permissible sound power level. The permitted level depends on the weight of the UA. Therefore, the German Environment Agency has started with acoustic investigations of UA. Various small UA models (i.e. multicopter) were used in the measurements in accordance with the EU regulation. This paper presents the results of the measurements and shows whether the requirements of the EU regulation are to be complied with. The challenges for users of the applicable measurement standard are also highlighted.

Item URL in elib:https://elib.dlr.de/185463/
Document Type:Conference or Workshop Item (Speech)
Title:Applicability of ISO standard 3744 to UA
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Treichel, JuliaUmweltbundesamt (UBA)UNSPECIFIED
Foerster, JanTechnische Universität BerlinUNSPECIFIED
Volkert, AndreasAndreas.Volkert (at) dlr.deUNSPECIFIED
Lieb, Teemu JoonasTeemu.Lieb (at) dlr.deUNSPECIFIED
Date:2022
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:UA, UAS, noise, measurements, regulation
Event Title:EuroRegio BNAM2022
Event Location:Aalborg, Dänemark
Event Type:international Conference
Event Dates:09. - 11- Mai 2022
Organizer:European Acoustics Association (EAA)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Air Transportation and Impact
DLR - Research area:Aeronautics
DLR - Program:L AI - Air Transportation and Impact
DLR - Research theme (Project):L - Climate, Weather and Environment
Location: Braunschweig
Institutes and Institutions:Institute of Flight Guidance > Pilot Assistance
Deposited By: Volkert, Andreas
Deposited On:28 Jun 2022 11:08
Last Modified:05 Jul 2022 13:15

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