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Vortical patterns in the wake of an oscillating airfoil
Abstract
The vortical flow patterns in the wake of a NACA 0012 airfoil pitching at small amplitudes are studied in a low speed water channel. it is shown that a great deal of control can be exercised on the structure of the wake by the control of the frequency, amplitude and also the shape of the oscillation waveform. An important observation in this study has been the existence of an axial flow along the cores of the wake vortices. Estimates of the magnitude of the axial flow suggest a linear dependence on the oscillation frequency and amplitude.
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Citations
Cited by
Review of Experimental Work in Biomimetic Foils
Triantafyllou, M. S., Techet, A. H., & Hover, F. S. (2004) · IEEE Journal of Oceanic Engineering · doi:10.1109/joe.2004.833216 · Cited by 448
Wake topology and hydrodynamic performance of low-aspect-ratio flapping foils
DONG, H., MITTAL, R., & NAJJAR, F. M. (2006) · Journal of Fluid Mechanics · doi:10.1017/s002211200600190x · Cited by 429
Classifying vortex wakes using neural networks
Colvert, B., Alsalman, M., & Kanso, E. (2018) · Bioinspiration & Biomimetics · doi:10.1088/1748-3190/aaa787 · Cited by 95
Metadata
- Authors
- Koochesfahani, M. M.
- Venue
- AIAA Journal
- Published
- 1989-09
- Volume
- 27
- Issue
- 9
- Pages
- 1200-1205
- ISSN
- 0001-1452 (ISSN-L)
- 1533-385X
- OpenAlex
- W2070373626
- Cited by
- 675
- References
- 0
- FWCI
- 4.95
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Vortical patterns in the wake of an oscillating airfoil. https://app.cochat.ai/papers/10.2514/3.10246
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- Koochesfahani, M. M. (1989). Vortical patterns in the wake of an oscillating airfoil. AIAA Journal. https://doi.org/10.2514/3.10246
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
