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Shock and Vibration
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2014
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Article
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Tab 2
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Research Article
Viscoelastic Characterization of Long-Eared Owl Flight Feather Shaft and the Damping Ability Analysis
Table 2
Peak value of the loss tangent (
) of the feather shaft specimens.
Owl specimen
Pigeon specimen
Eagle specimen
1
1.746
1
0.919
1
1.052
2
1.954
2
0.914
2
1.157
3
1.447
3
0.932
3
1.140
4
1.522
4
0.754
4
1.109
5
1.376
5
0.963
5
0.976