The DOI matches its Crossref record; 24 of the 24 references it cites were found in a registry or an index.
Scaling the propulsive performance of heaving flexible panels
Abstract
We present an experimental investigation of flexible panels actuated with heave oscillations at their leading edge. Results are presented from kinematic video analysis, particle image velocimetry, and direct force measurements. Both the trailing edge amplitude and the mode shapes of the panel are found to scale with dimensionless parameters originating from the Euler–Bernoulli beam equation. The time-averaged net thrust increases with heaving frequency, but experiences localized boosts near resonant frequencies where the trailing edge amplitude is maximized. These boosts correspond to local maxima in the propulsive efficiency. For a constant heave amplitude, the time-averaged net thrust coefficient is shown to be a function of Strouhal number over a wide range of conditions. It appears, therefore, that self-propelled swimming (zero net thrust) only occurs over a small range of Strouhal numbers. Under these near-constant Strouhal number conditions, the propulsive economy increases with higher flexibilities and slower swimming speeds.
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Cites
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Oscillating foils of high propulsive efficiency
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Flying and swimming animals cruise at a Strouhal number tuned for high power efficiency
Taylor, G. K., Nudds, R. L., & Thomas, A. L. R. (2003) · Nature · doi:10.1038/nature02000 · Cited by 994
Optimal Thrust Development in Oscillating Foils with Application to Fish Propulsion
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Aquatic animal propulsion of high hydromechanical efficiency
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Self-citationFlexible Flapping Airfoil Propulsion at Low Reynolds Numbers
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Metadata
- Authors
- Quinn, D. B., Lauder, G. V., & Smits, A. J.
- Venue
- Journal of Fluid Mechanics
- Publisher
- Cambridge University Press (CUP)
- Published
- 2013-12-05
- Volume
- 738
- Pages
- 250-267
- ISSN
- 0022-1120 (ISSN-L)
- 1469-7645
- OpenAlex
- W2143730671
- Cited by
- 256
- References
- 24
- FWCI
- 24.12
- Type
- journal article
- Language
- en
- Open access
- closed
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