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Dynamic Force and Pressure Measurements on an Oscillating Delta Wing at Low Speeds

Löser, Th. (1996) Dynamic Force and Pressure Measurements on an Oscillating Delta Wing at Low Speeds. DLR-Interner Bericht. 129-96/9, 253 S.

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Abstract

This report presents the results of static and dynamic measurements performed on a 65* cropped-delta wing with a sharp leading edge. the measurements have been carried out in the Low Speed Windtunnel DNW-NWB located in Braunschweig, Germany in 1994 and 1995. The model performed oscillations in the modes pitch, yaw and roll about a windtunnel-fixed axis, the mean angle of attack ranged from 0* to 48*, the parameters Reynoldsnumber, reduced frequency and oscillation amplitude have been varied. The measurements comprised 6-component balance measurements and pressure measurements on pressure taps located in 3 sections x/c*&#61const. on the upper and lower surface of the model. The results are presented in form of amplitudes and phase angles of the first three harmonics of the oscillation frequency, which have undergone an analysis of variance in order to obtain results with respect to the significance of the variation of the above.

Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1996,
Title:Dynamic Force and Pressure Measurements on an Oscillating Delta Wing at Low Speeds
Authors:
AuthorsInstitution or Email of Authors
Löser, Th.UNSPECIFIED
Date:1996
Number of Pages:253
Status:Published
Keywords:Delta Wing, pitching motion, rolling motion, yawing motion, Fourier analysis, analysis of variance, low speed measurements
HGF - Research field:UNSPECIFIED
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:L ST - Starrflüglertechnologien
DLR - Research theme (Project):L - Military Technologies
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:06

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