Unsteady Hydrodynamic Loads on a Two-Dimensional Hydrofoil.
Abstract
Unsteady hydrodynamic lift, moment, and drag on a two-dimensional NACA 16-209 hydrofoil are determined experimentally as functions of depth of submergence, forward speed, mean angle of attack, and frequency of oscillation in pure heave and pure pitch motions. Various theoretical and experimental results are compared with the experimental steady and unsteady load coefficients on the hydrofoil model. The comparisons include both finite and zero forward speed effects. Added-mass coefficients are obtained from the zero forward speed case. Theoretical and experimental results do not agree because of limitations in both the theories and experiments. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 01, 1970
- Accession Number
- AD0717953
Entities
People
- John H. Pattison