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Large-Eddy Simulations of Wake Vortices in Ground Proximity and Crosswind

Stephan, Anton and Misaka, Takashi and Holzäpfel, Frank (2012) Large-Eddy Simulations of Wake Vortices in Ground Proximity and Crosswind. DLR-Forschungsbericht, Project Report. DLR-FB--2012-02, 10 S. DLR, Bilbliotheks- und Informationswesen, Köln.

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Abstract

Results from large eddy simulations of the wake vortex behaviour in ground effect with turbulent crosswinds are presented. We have conducted wall-resolved and wall-modelled simulations at different Reynolds numbers to investigate the Reynolds-number dependency. Vortex displacement and decay has been validated with experimental data. In order to understand wake vortex decay mechanisms in ground proximity the interaction of primary and secondary vortices is thoroughly investigated. Obstacles at the ground surface are introduced to trigger rapid vortex decay.

Document Type:Monograph (DLR-Forschungsbericht, Project Report)
Title:Large-Eddy Simulations of Wake Vortices in Ground Proximity and Crosswind
Authors:
AuthorsInstitution or Email of Authors
Stephan, Anton UNSPECIFIED
Misaka, Takashi UNSPECIFIED
Holzäpfel, Frank UNSPECIFIED
Date:February 2012
Journal or Publication Title:The DLR Project Wetter & Fliegen
Number of Pages:10
Editors:
EditorsEmail
Gerz, ThomasUNSPECIFIED
Schwarz, CarstenUNSPECIFIED
Publisher:DLR, Bilbliotheks- und Informationswesen, Köln
ISSN:1434-8454
Status:Published
Keywords:wake vortex
Institution:DLR
Department:Institute für Physik der Atmosphäre
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:ATM and Operation
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 > Cloud Physics and Traffic Meteorology
Deposited By: Jana Freund
Deposited On:12 Jul 2012 18:45
Last Modified:12 Jul 2012 18:45

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