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Alleviation of End-effect in Facilities for Far Wake Investigations

Bao, F. and Vollmers, H. (2005) Alleviation of End-effect in Facilities for Far Wake Investigations. In: AIAA Meeting Papers on Disk, pp. 1-11. AIAA Electronic Library. 43rd AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, USA, 10.-13.Jannuary 2005, Reno, Nevada, USA. ISBN CD Code: 666-196461.

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Abstract

This paper deals with the end-effect problem encountered in the wake vortex researches in test facilities with limited length. The disturbances produced during the launching and recovering of a/c models may propagate along the vortex core and introduce a helical instability which will burst off the vortex core. When the disturbances reach the measurement region, the results will be spoiled. Investigations were made in a water towing tank, which was instrumented with a stereo PIV system and visualization devices. Methods for alleviating the end-effect were studied and one effective setup was patented.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2004, monograph_id=4 CD's,
Title:Alleviation of End-effect in Facilities for Far Wake Investigations
Authors:
AuthorsInstitution or Email of Authors
Bao, F.UNSPECIFIED
Vollmers, H.UNSPECIFIED
Date:2005
Journal or Publication Title:AIAA Meeting Papers on Disk
Page Range:pp. 1-11
Editors:
EditorsEmail
AIAA, UNSPECIFIED
Publisher:AIAA Electronic Library
Series Name:AIAA 2005-0907
ISBN:CD Code: 666-196461
Status:Published
Keywords:wake vortex, helical instability, end-effect, optical measurement technique
Event Title:43rd AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, USA, 10.-13.Jannuary 2005
Event Location:Reno, Nevada, USA
Event Type:international Conference
Organizer:AIAA
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:L VU - Air Traffic and Environment (old)
DLR - Research area:Aeronautics
DLR - Program:L VU - Air Traffic and Environment
DLR - Research theme (Project):L - Low-Emission Air Traffic (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Ilka Micknaus
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 19:32

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