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Experimental investigation of wake vortices with respect to wake vortices with respect to „end-effect“ in a water effect“ in a water-towing towing-tank

Bao, F. and Vollmers, H. (2004) Experimental investigation of wake vortices with respect to wake vortices with respect to „end-effect“ in a water effect“ in a water-towing towing-tank. 14. DGLR- Fach-Symposium der STAB, 16.-18.11.2004, Bremen, Germany.

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Abstract

This paper presents an experimental study on establishing a self-destructive multi-vortex wake system. Measurements were made in a water towing tank (WSG), which was instrumented with and visualization devices. The tailoring of wake vortex was achieved by varying horizontal tail planes with various aspect ratios set at certain incidences. The study exhibited that the interaction of vortices in wake system may result in a self-destructive mechanism in the sense that the wake vortices experienced an instability and decomposed abruptly. The disturbance (end-effect) introduced by the transient processes of model was investigated. Methods for alleviating end-effect were methodically studied and one of the effective setups was patented.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2004,
Title:Experimental investigation of wake vortices with respect to wake vortices with respect to „end-effect“ in a water effect“ in a water-towing towing-tank
Authors:
AuthorsInstitution or Email of Authors
Bao, F.UNSPECIFIED
Vollmers, H.UNSPECIFIED
Date:2004
Page Range:pp. 1-24
Editors:
EditorsEmail
DGLR, UNSPECIFIED
Status:Published
Keywords:wake vortex, water-towing-tank, stereo PIV system
Event Title:14. DGLR- Fach-Symposium der STAB, 16.-18.11.2004, Bremen, Germany
Organizer:DGLR
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Ilka Micknaus
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:39

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