Hart, D. P. and Brennen, C. E. and Acosta, A. J. (1990) Observations of Cavitation on a Three-Dimensional Oscillating Hydrofoil. In: Cavitation and Multiphase Flow Forum (25th : 1990 : Toronto, Ontario). Fluids Engineering Division. Vol.FED-98. No.98. American Society of Mechanical Engineers , New York, pp. 49-52. ISBN 079180495X http://resolver.caltech.edu/CaltechAUTHORS:HARasmecmff90
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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.
|Item Type:||Book Section|
|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.|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Christopher Brennen|
|Deposited On:||10 Dec 2004|
|Last Modified:||26 Dec 2012 08:39|
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