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Validation of uRANS-Simulations of Contra-Rotating Open Rotor-Powered Aircraft at Take-Off Conditions

Stürmer, Arne (2018) Validation of uRANS-Simulations of Contra-Rotating Open Rotor-Powered Aircraft at Take-Off Conditions. In: 56th AIAA Aerospace Sciences Meeting 2018. AIAA Science and Technology Forum and Exposition 2018, 2018-01-08 - 2018-01-12, Kissimmee, FL. doi: 10.2514/6.2018-1265.

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Contra Rotating Open Rotor (CROR) propulsion systems have been the focus of a number of research projects in recent years, aiming to establish this propulsion system as an economic and environmentally friendly powerplant for future transport aircraft. In the frame of the EU 7th Framework Joint Technology Initiative Smart Fixed Wing Aircraft project, the DLR Institute of Aerodynamics and Flow Technology is participating as an associated partner in the Airbus-led studies of the Contra-Rotating Open Rotor. Due to significant technical challenges in terms of noise emissions, installation effects and certification that still need to be addressed, the numerical activities require the use of sophisticated multidisciplinary analysis tools and approaches covering both aerodynamics and aeroacoustics. With the availability of high-quality results from aeroacoustic wind tunnel tests of a generic Airbus designed CROR configuration, DLR has initiated an in-depth validation study on the adopted numerical approach to coupled CFD-CAA-simulations utilizing the DLR developed CFD code TAU and the aeroacoustic analysis tool APSIM+. Having previously demonstrated very good quality predictions for isolated and semi-installed pusher CROR configurations, this paper will expand on this work to validate the predictive capabilities for CROR engines subject to realistic installation effects when mounted on the empennage of a representative T-tail aircraft configuration.

Item URL in elib:https://elib.dlr.de/124833/
Document Type:Conference or Workshop Item (Speech)
Title:Validation of uRANS-Simulations of Contra-Rotating Open Rotor-Powered Aircraft at Take-Off Conditions
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:January 2018
Journal or Publication Title:56th AIAA Aerospace Sciences Meeting 2018
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Aerodynamics, CFD, Engine Integration, CROR, Open Rotor, Aeroacoustics
Event Title:AIAA Science and Technology Forum and Exposition 2018
Event Location:Kissimmee, FL
Event Type:international Conference
Event Start Date:8 January 2018
Event End Date:12 January 2018
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation and Validation (old)
Location: Braunschweig
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Transport Aircraft
Deposited By: Stürmer, Arne
Deposited On:13 Dec 2018 14:46
Last Modified:24 Apr 2024 20:28

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