Published June 1990
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Observations of Cavitation on a Three-Dimensional Oscillating Hydrofoil
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Abstract
A test apparatus was designed and constructed to observe the effect of sinusoidal pitching oscillations on the cavitation of three-dimensional hydrofoils. The apparatus is capable of oscillating hydrofoils at a rate up to 50 Hz and provides for adjustments in oscillation amplitude and mean angle of attack. Observations of the effect of pitching oscillation on cavitation have been made for a NACA 64-309 (modified) hydrofoil operating at its designed mean angle of attack of 7 degrees with an oscillation amplitude of 2 degrees. Photographs illustrating the interaction between natural cavity shedding frequencies and the foil reduced frequency are included.
Additional Information
The authors are grateful for the support of the Office of Naval Research under grant number N00167-85-K-0165. We should also like to thank Professor S. Green at the University of British Columbia for his help in initiating this project and S. Ceccio for his continuing support.Attached Files
Published - HAR107.pdf
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HAR107.pdf
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Identifiers
- Eprint ID
- 211
- Resolver ID
- CaltechAUTHORS:HARasmecmff90
Funding
- Office of Naval Research (ONR)
- N000167-85-K-0165
Dates
- Created
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2004-12-10Created from EPrint's datestamp field
- Updated
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2019-10-02Created from EPrint's last_modified field
Caltech Custom Metadata
- Series Name
- Fluids Engineering Division
- Series Volume or Issue Number
- 98