Research Article

Viscoelastic Characterization of Long-Eared Owl Flight Feather Shaft and the Damping Ability Analysis

Table 1

Fitting parameters based on the viscoelastic model from tensile tests for the long-eared owl, pigeon, and golden eagle flight feather shafts.

SampleCross-sectional area (mm2)Gauge length (mm)Elastic modulus (MPa)Elastic modulus (MPa)Coefficient of viscosity (MPa·s)

owl11.43238.9482106251620290
owl21.47434.2889895541684931
owl31.27929.5483188961966866
owl41.38438.4087608601747912
owl51.23034.1699306731510543
pigeon10.28019.84100872411597359
pigeon20.32422.9895902314981513
pigeon30.33021.32111033851836727
pigeon40.28221.08102013373680685
pigeon50.32223.46104042296896814
eagle11.19739.48702313331047637
eagle21.78442.14667410731107921
eagle31.71043.48725511971265107
eagle41.62437.8683961455938756
eagle51.24238.97701615151141217