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Effect of an active high-lift system failure during landing approaches

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

Full text not available from this repository.

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/
Document Type:Article
Title:Effect of an active high-lift system failure during landing approaches
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Diekmann, Jobst Henningjobst.diekmann (at) dlr.deUNSPECIFIED
Hahn, Klaus-Uwek-u.Hahn (at) dlr.deUNSPECIFIED
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:
EditorsEmail
Henke, RolfUNSPECIFIED
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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