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Numerical Optimization of Plate Lines Design for Enhanced Wake Vortex Decay (Invited)

Stephan, Anton and Schrall, Jürgen and Holzäpfel, Frank (2016) Numerical Optimization of Plate Lines Design for Enhanced Wake Vortex Decay (Invited). In: 8th AIAA Atmospheric and Space Environments Conference. 8th AIAA Atmospheric and Space Environments Conference, 13.-17. Juni 2016, Washington. DOI: 10.2514/6.2016-3135

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Official URL: http://dx.doi.org/10.2514/6.2016-3135


The design of plate lines as a ground mounted device for wake-vortex decay enhancement is investigated in this work. The most important design parameters, aspect ratio and plate distance, are analyzed for the wake vortices generated by two aircraft, the A340 as well as the A380. Large-eddy-simulations (LES) are used to simulate the wake-vortex evolution in ground proximity for different parameter combinations. Fully rolled-up wake vortices are initialized using a Lamb-Oseen vortex model resembling the characteristics of the two aircraft. With the stochastic, so-called Kriging method, estimates of the performance and respective probabilistic envelopes are given for the design parameter region, spanned by the LES. As the objective function vortex circulation, averaged over the rapid decay phase, is taken. The LES parameters are selected in the vicinity of the expected optimum. An optimal parameter combination can be localized in the A340 as well as in the A380 case. For both cases we provide statistical relevance. Moreover, we can deduce that the optimal parameters for the A380 are also well suited for smaller aircraft like an A340.

Item URL in elib:https://elib.dlr.de/107474/
Document Type:Conference or Workshop Item (Speech)
Title:Numerical Optimization of Plate Lines Design for Enhanced Wake Vortex Decay (Invited)
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Journal or Publication Title:8th AIAA Atmospheric and Space Environments Conference
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
DOI :10.2514/6.2016-3135
Series Name:AIAA Paper
Keywords:Wake vortex, large eddy simulation, plate line, optimization, Kriging
Event Title:8th AIAA Atmospheric and Space Environments Conference
Event Location:Washington
Event Type:international Conference
Event Dates:13.-17. Juni 2016
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:air traffic management and operations
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Climate, Weather and Environment
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Transport Meteorology
Deposited By: Ziegele, Brigitte
Deposited On:14 Nov 2016 11:38
Last Modified:14 Nov 2016 11:38

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