Wierach, Peter and Petersen, Jan and Behr, Christian and Sinapius, Michael (2021) Actuation System for Effective Flow Control of an Internally Blown Coanda Flap. In: Fundamentals of High Lift for Future Civil Aircraft Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 145 (1). Springer International Publishing. doi: 10.1007/978-3-030-52429-6. ISBN 978-3-030-52428-9.
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Official URL: https://www.springerprofessional.de/actuation-system-for-effective-flow-control-of-an-internally-blo/18495312
Abstract
The focus of the work is on the evaluation, development and integration of a robust actuator system for three-dimensional flow control of a blown Coanda flap to improve the high lift system of commercial aircraft. As part of the research work presented, the system is integrated into a wind tunnel model in order to demonstrate its functionality under aerodynamic loads. The system is based on individual bending transducers that can vary the height of the blowing slot dynamically. There are 33 actuated segments to implement static and dynamic actuation along the wing span (3D-actuation). All segments can be controlled independently and thus offer great optimization potential for an effective flow control. The first aerodynamic results show an increase in lift of up to ∆Cl = 0.57. These aerodynamic gains are achieved at amplitudes that do not require the lip segments to completely close or open the blowing slot, which shows the advantage of the current lip design that enables activation with independently controlled stationary and unsteady components.
Item URL in elib: | https://elib.dlr.de/140065/ | |||||||||||||||
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Document Type: | Contribution to a Collection | |||||||||||||||
Title: | Actuation System for Effective Flow Control of an Internally Blown Coanda Flap | |||||||||||||||
Authors: |
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Date: | 2021 | |||||||||||||||
Journal or Publication Title: | Fundamentals of High Lift for Future Civil Aircraft | |||||||||||||||
Refereed publication: | Yes | |||||||||||||||
Open Access: | No | |||||||||||||||
Gold Open Access: | No | |||||||||||||||
In SCOPUS: | Yes | |||||||||||||||
In ISI Web of Science: | No | |||||||||||||||
Volume: | 145 | |||||||||||||||
DOI : | 10.1007/978-3-030-52429-6 | |||||||||||||||
Editors: |
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Publisher: | Springer International Publishing | |||||||||||||||
Series Name: | Notes on Numerical Fluid Mechanics and Multidisciplinary Design | |||||||||||||||
ISBN: | 978-3-030-52428-9 | |||||||||||||||
Status: | Published | |||||||||||||||
Keywords: | Active Flow Control, Smart Materials, High Lift, Piezoelectric Actuators | |||||||||||||||
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 - Structures and Materials (old) | |||||||||||||||
Location: | Braunschweig | |||||||||||||||
Institutes and Institutions: | Institute of Composite Structures and Adaptive Systems > Multifunctional Materials | |||||||||||||||
Deposited By: | Wierach, Peter | |||||||||||||||
Deposited On: | 13 Jan 2021 12:55 | |||||||||||||||
Last Modified: | 10 Feb 2021 12:38 |
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