Title: VIRtual design ENvironment For Real, Efficient engIneering services

Leader: Airbus Deutschland GmbH, Partners: DLR e.V., ETW GmbH

The VirEnfREI project uses an industry-relevant design task to develop an intelligently networked, digital aircraft design process with reproducible design decisions to meet new, challenging economic and ecological requirements. The usability of a highly integrative, innovative MDO architecture will be demonstrated, implemented in an industrial environment and finally tested and validated in the ETW under realistic flight conditions.

Please find some more information about the project here:

• VirEnfREI at the DLR Institute of Aerodynamics and Flow Technology
• DLR's AIAA paper on "Phased High-Fidelity Aerodynamic Design From Scratch of a Very High-Aspect Ratio Narrow-Body Airliner"

The main tasks of the ETW will initially be the design and production of the model, which will be carried out together with the subcontractor Deharde, as it has the necessary experience and capacity. The provision and instrumentation of the necessary measurement technology is also part of the model construction.

The DLR Institute of Aerodynamics and Flow Technology will be involved to support the testing with pressure sensitive paint (PSP) measurements and to advance respective technologies. Finally, ETW is responsible for carrying out the cryogenic wind tunnel test. The validation of the aircraft design optimisation process described above will then be carried out by comparison with the measurement results of the wind tunnel test provided by ETW under real flight conditions.

This work received funding from the German Federal Ministry for Economic Affairs and Energy LuFo VI-2/2021-2025 under grant agreement no 20X2106C.

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