Diekmann, Jobst Henning and Hahn, Klaus-Uwe (2014) Effect of an active high-lift system failure during landing approaches. CEAS Aeronautical Journal. Springer. DOI: 10.1007/s13272-014-0139-7 ISBN 1869-5590 ISSN 1869-5590
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Official URL: http://link.springer.com/article/10.1007/s13272-014-0139-7
Abstract
Simulation results of the longitudinal motion of a civil twin-engine aircraft with an active high-lift system are presented. The investigated system uses the lift-increasing effect of blowing over Coanda flaps along the wing. The core elements of the nonlinear model describing the dynamic behavior of an aircraft with this specific type of active high-lift system are explained. The main focus lies on the analysis of the aircraft's reaction to an instant symmetric total failure of such a system. Initial investigations analyze the outcome of such failures, if throttle is set to maximum and Elevator is controlled, without using stabilizer or flaps. Subsequently, an investigation has been performed estimating the effect of flap reconfigurations and stabilizer adjustments. The paper also considers a temporary failure of the system due to an engine failure combined with a too low power setting of the remaining engine which has to be increased first before the restart of the blowing system. The investigated situations vary from inconvenient to unrecoverable. Recommendations for back-up Systems and procedure changes are made to prevent such situations. A procedural approach is analyzed and respective simulations prove the efficiency of this solution.
Item URL in elib: | https://elib.dlr.de/92821/ | |||||||||
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Document Type: | Article | |||||||||
Title: | Effect of an active high-lift system failure during landing approaches | |||||||||
Authors: |
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Date: | 19 November 2014 | |||||||||
Journal or Publication Title: | CEAS Aeronautical Journal | |||||||||
Refereed publication: | Yes | |||||||||
Open Access: | No | |||||||||
Gold Open Access: | No | |||||||||
In SCOPUS: | Yes | |||||||||
In ISI Web of Science: | No | |||||||||
DOI : | 10.1007/s13272-014-0139-7 | |||||||||
Editors: |
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Publisher: | Springer | |||||||||
ISSN: | 1869-5590 | |||||||||
ISBN: | 1869-5590 | |||||||||
Status: | Published | |||||||||
Keywords: | STOL, Active High-Lift, System Failure, Flight Dynamics | |||||||||
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 | |||||||||
Location: | Braunschweig | |||||||||
Institutes and Institutions: | Institute of Flight Systems > Flight Dynamics and Simulation | |||||||||
Deposited By: | Diekmann, Dr. Jobst Henning | |||||||||
Deposited On: | 06 Jan 2015 11:45 | |||||||||
Last Modified: | 08 Mar 2018 19:01 |
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