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Wake Encounter Severity Assessment Based on Validated Aerodynamic Interaction Models

Schwarz, Carsten and Hahn, Klaus-Uwe and Fischenberg, Dietrich (2010) Wake Encounter Severity Assessment Based on Validated Aerodynamic Interaction Models. AIAA ASE Conference 2010, 2.-5.8.2010, Toronto, Kanada.

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Wake encounter severity criteria based on validated models are of great importance for any wake vortex related severity assessment. The aerodynamic interaction model “strip method” describes the vortex-induced aircraft reaction. The model quality is validated with wake encounter flight test data. Model shortcomings are improved with dedicated refinements. A simplified hazard area approach is developed employing validated simulation models. With one simple criterion, the roll control ratio, safe and undisturbed flight operations can be ensured. A limit value for manually flown (non fly-by-wire) aircraft is derived from piloted trials. With the simplified hazard area prediction method, this can be universally applied for wake vortex advisory systems like DLR’s wake vortex prediction and monitoring system.

Item URL in elib:https://elib.dlr.de/65091/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Wake Encounter Severity Assessment Based on Validated Aerodynamic Interaction Models
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schwarz, Carstencarsten.schwarz (at) dlr.deUNSPECIFIED
Hahn, Klaus-UweKlaus-Uwe.Hahn (at) dlr.deUNSPECIFIED
Fischenberg, DietrichDietrich.Fischenberg (at) dlr.deUNSPECIFIED
Date:August 2010
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:wake vortex encounter
Event Title:AIAA ASE Conference 2010
Event Location:Toronto, Kanada
Event Type:international Conference
Event Dates:2.-5.8.2010
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Wake Vortices (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Flight Dynamics and Simulation
Deposited By: Schwarz, Carsten Walter
Deposited On:02 Sep 2010 14:31
Last Modified:02 Sep 2010 14:31

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