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Designing and Testing Active Flow Control Systems at the Junction of Ultra-High Bypass Ratio Engines and the Wing

Meyer, Michael and Lengers, Matthias and Bieler, Heribert and Fricke, Sebastian and Wild, Jochen and Norman, David (2014) Designing and Testing Active Flow Control Systems at the Junction of Ultra-High Bypass Ratio Engines and the Wing. 6th European Conference on Computational Fluid Dynamics, 20.-25. Jul. 2014, Barcelona, Spanien.

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Abstract

In current aircraft, the maximum local lift is significantly improved with strakes mounted on the inboard side of the engine nacelle. Yet, the aerodynamic effect of strakes is limited and for modern VHBR engines the problem of possible local flow separation persists leaving further space for optimizing high-lift performance. With the upcoming introduction of highly efficient and ecologic UHBR engines, slat-cut-outs will likely become larger and the problem will even become worse. The objective of this project is to overcome the problem by actively suppressing the local flow separation linked to the wing/pylon junction by means of AFC through energizing the flow with fluidic jets. Two technological approaches are pursued: a) pulsed jet actuators with and b) without net mass flux (here: Synthetic Jet Actuators).

Item URL in elib:https://elib.dlr.de/94064/
Document Type:Conference or Workshop Item (Speech)
Title:Designing and Testing Active Flow Control Systems at the Junction of Ultra-High Bypass Ratio Engines and the Wing
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Meyer, MichaelAirbus Group InnovationsUNSPECIFIED
Lengers, MatthiasAirbus Operations GmbHUNSPECIFIED
Bieler, HeribertAirbus Operations GmbHUNSPECIFIED
Fricke, Sebastiansebastian.fricke (at) dlr.deUNSPECIFIED
Wild, Jochenjochen.wild (at) dlr.deUNSPECIFIED
Norman, DavidAircraf Research Association LimitedUNSPECIFIED
Date:2014
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:high-lift, flow separation control, pulsed jet, synthetic jet, engine installation
Event Title:6th European Conference on Computational Fluid Dynamics
Event Location:Barcelona, Spanien
Event Type:international Conference
Event Dates:20.-25. Jul. 2014
Organizer:ECCOMAS
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 - Flight Physics
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Transport Aircraft
Deposited By: Wild, Dr.-Ing. Jochen
Deposited On:06 Jan 2015 14:25
Last Modified:31 Jul 2019 19:51

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