A NOTE ON THE PROBLEM OF AN OSCILLATING SUPERCAVITATED HYDROFOIL NEAR A FREE SURFACE.
Final rept. Apr 64-Oct 65,
CORNELL AERONAUTICAL LAB INC BUFFALO N Y
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The objective of the study was to determine the steady and unsteady forces and moments on a fully caviated hydrofoil operating near a free surface. The approach assumed linearized, two-dimensional, potential flow but no further limitations were placed on the values of Froude number, cavitation number, or depth-to-chord ratio. Full account was taken of the gravity waves on both the air-water and cavity interfaces generated by the motion of the foil-cavity system. The report discusses the approach to the general problem based on a representation of the system by distributions of elemental singularities. The solution for the steady motion of a deeply submerged, supercavitated, flatplate foil is obtained in this manner. Author
- Marine Engineering