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Wind-tunnel studies on maneuvering slender bodies

Wysocki, Oliver and Schülein, Erich and Rosemann, Henning (2013) Wind-tunnel studies on maneuvering slender bodies. CEAS Aeronautical Journal, Vol. 4 (2), pp. 123-128. Springer. DOI: 10.1007/s13272-012-0051-y ISSN 1869-5582

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Official URL: http://link.springer.com/article/10.1007/s13272-012-0051-y

Abstract

In this paper, the rst experimental results of tests with a new model support designed for simulations of high frequency and high amplitude pitching maneuvers are presented. A generic missile model with a blunt nose was used for which static test data from earlier experiments with a conventional model support were existing. At the beginning, comparing static tests were done to judge the influence of the new set-up (model support, sting for the model, pivot arm) on the measured forces and moments. Afterwards, dynamic tests with sine oscillations at frequencies of fa = 0.05Hz...4Hz and angles of attack varying between a = 0°...45° were performed. Beside the qualication of this new test rig, the tests were used to study the "Phantom Yaw Effect" and to prove an interactive method of its control. This phenomenon is characterized by unwanted yawing moments resulting from asymmetric vortices which can occur on slender bodies at high angles of attack. In the tests, a leevortex control device with symmetrically arranged longitudinal slot nozzles producing "air-jet strakes" was demonstrated to decrease the yawing moments both under static and dynamic conditions.

Item URL in elib:https://elib.dlr.de/76945/
Document Type:Article
Additional Information:ISSN: 1869-5590 (electronic version)
Title:Wind-tunnel studies on maneuvering slender bodies
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wysocki, Oliveroliver.wysocki (at) dlr.deUNSPECIFIED
Schülein, Ericherich.schuelein (at) dlr.deUNSPECIFIED
Rosemann, Henninghenning.rosemann (at) dlr.deUNSPECIFIED
Date:2013
Journal or Publication Title:CEAS Aeronautical Journal
Refereed publication:Yes
In SCOPUS:Yes
In ISI Web of Science:No
Volume:Vol. 4
DOI :10.1007/s13272-012-0051-y
Page Range:pp. 123-128
Publisher:Springer
ISSN:1869-5582
Status:Published
Keywords:Asymmetric vortices, Slender bodies, Flow control, Experiments
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > High Speed Configurations
Deposited By: Wysocki, Oliver
Deposited On:17 May 2013 10:54
Last Modified:08 Mar 2018 18:24

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