VKI Building

7 November 2022
Second ENODISE Public Workshop
Advanced porous treatment, liners and meta-materials for engine and air frame noise mitigation
RWTH Aachen University, Germany
with the participation of DJINN and INVENTOR

About the projects

DJINN, ENODISE and INVENTOR are funded by the European Union in the framework of the H2020 MG-1-5-2019 call ”Advancements in aerodynamics and innovative propulsion systems for quieter and greener aircrafts” and are strongly interconnected.

DJINN (Decrease Jet Installation Noise), coordinated by CFD Berlin, has been developing a new generation of reliable computational fluid dynamics methods to assess promising noise-reduction technologies for future integrated propulsion aircraft. According to DJINN, understanding, modelling and predicting jet-airframe noise is key to developing efficient noise-reduction technologies.

ENODISE (Innovative Design of Installed Aircraft Components for aircraft noise reduction), coordinated by VKI, is aimed at reducing aircraft noise and gaseous-polluting emissions through novel aircraft architectures. These feature a much tighter integration of the propulsion system with the airframe than in conventional aircraft. Complex aerodynamic and acoustic engine-airframe interactions result, which must be better understood to achieve the envisaged benefits. ENODISE investigates the key aeroacoustic installation effects at low TRL level, and provides a solid background of knowledge and methods, based on simplified but typical configurations, allowing several integration solutions to be evaluated.

INVENTOR (Enabling Optimized Disruptive Airframe-Propulsion Integration Concepts), coordinated by ONERA, is studying the physics of noise generated by landing gears and high-lift devices at landing/approach with a view to developing innovative low-noise installed landing gear, high-lift device components and noise reduction technologies to lower external noise from business jets and short-to-medium range transport aircraft.

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Free Registration until 31 October 2022
08:30 - 09:00
09:00 - 09:30
09:30 - 10:15
Modelling of porous materials (ENODISE)

- BLI: wall-mounted and semi-buried propulsion systems
- DEP: pylon- and control surface- mounted propulsion systems
- Multi-copters: multirotor propulsion systems

M. Meinke, RWTH & D. Ragni, TUD
10:15 - 11:00
Physical effects of porous materials in source mitigation (ENODISE)
11:00 -11:15
Coffee Break
11:15 -12:00
Application of porous media for airframe noise reduction (INVENTOR)
M. Pott-Pollenske, DLR
12:00 -13:30
Lunch break
13:30 -14:15
Porous flap trailing edges for the reduction of jet-flap interaction noise (DJINN)
Christian Jente, DLR
14:15 - 15:00
Jet installation noise reduction using a flexible trailing edge (DJINN)
Matteo Mancinelli, CNRS/Uni Roma Tre
15:00 - 15:15
Coffee Break
15:15 - 16:00
Flow permeable materials for landing gear noise reduction (INVENTOR)
Francesco Avallone, TUD
16:00 - 16:45
Presentation of publicly available documented validation benchmarks (ENODISE, INVENTOR, DJINN)
ENODISE - Christophe Schram, VKI
DJINN - Fabien Gand, ONERA/ Werner Haase, CFD-Berlin
16:45 - 17:30
Wrap-up: lessons learnt and perspectives - all