Detailed Measurements Of Dynamic Stability Derivatives Under Roll Oscillations For Standard Dynamic Model In Ankara Wind Tunnel PDF Download

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Agard Index of Publications

Agard Index of Publications
Author: North Atlantic treaty organization. Advisory group for aeronautical research and development
Publisher:
Total Pages: 380
Release: 1987
Genre: Aeronautics
ISBN: 9789283515500
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Structural Damping in Dynamic Stability Testing

Structural Damping in Dynamic Stability Testing
Author: C. J. Welsh
Publisher:
Total Pages: 15
Release: 1959
Genre: Damping (Mechanics)
ISBN:
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The results of a short study of structural-damping characteristics of cross-flexure pivots typical of those used in wind tunnel, dynamic-stability tests are presented. Although it has been usually assumed that the coefficient of the structural-damping term attributed to a cross-flexure pivot is constant, the experimental data here presented indicates that it varies approximately inversely with the frequency. It is shown that the structural-damped motion can be approximated adequately with the viscous-damping equation.