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Investigation of flight dynamics of a civil aircraft with active high lift system

Diekmann, Jobst Henning (2012) Investigation of flight dynamics of a civil aircraft with active high lift system. In: Deutscher Luft- und Raumfahrtkongress 2012 . Deutscher Luft- und Raumfahrtkongress 2012, 10.-12. Sep. 2012, Berlin, Deutschland.

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In this paper ongoing research on the flight dynamic modeling and analysis of an aircraft with active high lift is presented. The considered aircraft is being designed with an aircraft multidisciplinary design and optimization tool (PrADO) and is a twin turboprop equipped with an active high lift system consisting of a Coandă surface flap whose knee is blown to enable boundary layer control. In this paper, a longitudinal model is derived from the first aerodynamic data available for this aircraft and used to make a first assessment of the flight dynamics of this aircraft configuration. In particular, the effects of the active high lift system on the trim conditions and the normal modes of the aircraft are shown, as well as a first assessment of the consequences of an active blowing system failure. A remarkable intermediate result is that with proper actions of the pilot (or the flight control system) such a failure seems to have significantly less severe consequences than initially feared.

Item URL in elib:https://elib.dlr.de/83096/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Investigation of flight dynamics of a civil aircraft with active high lift system
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Diekmann, Jobst Henningjobst.diekmann (at) dlr.deUNSPECIFIED
Date:September 2012
Journal or Publication Title:Deutscher Luft- und Raumfahrtkongress 2012
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Active High Lift STOL Coanda Flaps Aerodynamic Model
Event Title:Deutscher Luft- und Raumfahrtkongress 2012
Event Location:Berlin, Deutschland
Event Type:international Conference
Event Dates:10.-12. Sep. 2012
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignment
DLR - Research theme (Project):L - no assignment (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Flight Dynamics and Simulation
Deposited By: Diekmann, Dr. Jobst Henning
Deposited On:31 Jul 2013 09:34
Last Modified:31 Jul 2013 09:34

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