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Can I read The Role of Vanes in the Damping of Bird Feathers on EtoBox?
The Role of Vanes in the Damping of Bird Feathers by Kai Deng; Hamed Rajabi; Alexander Kovalev; Clemens F. Schaber; Zhendong Dai; Stanislav N. Gorb is a Engineering article available to read on EtoBox.
What is The Role of Vanes in the Damping of Bird Feathers about?
Abstract Bird feathers sustain bending and vibrations during flight. Such unwanted vibrations could potentially cause noise and flight instabilities. Damping could alter the system response, resulting in improving quiet flight, stability, and controllability. Vanes of feathers are known to be indispensable for supporting the aerodynamic function of the wings. The relationship between the hierarchical structures of vanes and the mechanical properties of the feather has been previously studied. However, still little is known about their relationship with feathers’ damping properties. Here, the role of vanes in feathers’ damping properties was quantified. The vibrations of the feathers with vanes and the bare shaft without vanes after step deflections in the plane of the vanes and perpendicular to it were measured using high-speed video recording. The presence of several main natural vibration modes was observed in the feathers with vanes. After trimming vanes, more vibration modes were observed, the fundamental frequencies increased by 51–70%, and the damping ratio decreased by 38–60%. Therefore, we suggest that vanes largely increase feather damping properties. Damping mechanisms ba
Who reads The Role of Vanes in the Damping of Bird Feathers?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Kai Deng; Hamed Rajabi; Alexander Kovalev; Clemens F. Schaber; Zhendong Dai; Stanislav N. Gorb
- Publisher
- Springer Science and Business Media LLC
- Published
- 2023
- Language
- EN
- Field
- Engineering (Physical Sciences)