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Multidisciplinary Analysis of CROR Propulsion Systems: DLR Activities in the JTI SFWA Project

Stürmer, Arne and Akkermans, R.A.D. (2013) Multidisciplinary Analysis of CROR Propulsion Systems: DLR Activities in the JTI SFWA Project. 62. Deutscher Luft- und Raumfahrtkongress, 10-12 Sep 2013, Stuttgart, Germany.

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In the frame of the EU 7th Framework Joint Technology Initiative Smart Fixed Wing Aircraft project, the DLR Institute of Aerodynamics and Flow Technology (DLR-AS) is participating as an associated partner in the Airbus-led studies of the Contra-Rotating Open Rotor as possible powerplant for future transport aircraft. Due to significant technical challenges in terms of noise emissions, installation effects and certification that still need to be addressed for this novel propulsion system, the numerical activities require the use of sophisticated multidisciplinary analysis tools and approaches covering aerodynamics, aeroacoustics and aeroelastics. In this paper an overview of the DLR-AS work in the project is given, which covers the numerical assessment of a novel noise reduction technology, the investigations of the impact of blade deformation on aerodynamic performance and noise emissions as well as some in-depth studies on isolated and installed pusher-configuration CROR engines and the validation of these simulations using experimental test data that is being generated in Airbus-led low- and high-speed wind tunnel tests.

Item URL in elib:https://elib.dlr.de/84326/
Document Type:Conference or Workshop Item (Speech)
Title:Multidisciplinary Analysis of CROR Propulsion Systems: DLR Activities in the JTI SFWA Project
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:12 September 2013
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:CROR, CFD, CAA, CSM, aerodynamics, aeroacoustics, aeroelastics, simulation
Event Title: 62. Deutscher Luft- und Raumfahrtkongress
Event Location:Stuttgart, Germany
Event Type:national Conference
Event Dates:10-12 Sep 2013
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics (old), L - Simulation & Validation (old)
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Transport Aircraft
Institute of Aerodynamics and Flow Technology > Technical Acoustics
Deposited By: Stürmer, Arne
Deposited On:23 Sep 2013 10:45
Last Modified:26 Mar 2015 13:45

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