Pressure distribution prediction for twodimensional hydrofoils with massive turbulent separation
Abstract
An automated numerical algorithm has been developed for the prediction of the pressure distribution on twodimensional noncavitating lifting hydrofoils, isolated or in cascade, even with massive turbulent flow separation. The only required inputs are the hydrofoil profile, the inlet flow angle, the cascade parameters, and the Reynolds Number. Satisfactory experimental verification of the algorithm has been achieved against the NACA 63018 airfoil at 18 deg angle of attack, the NACA 65,2421 airfoil of 20 deg angle of attack, and the NASA GA(W)1 airfoil at 21 deg angle of attack with turbulent separation locations up to 85% chord upstream of the trailingedge. Only two iterations were required in the previous cases with a maximum computing time of 205 sec on the CDC 7600 system.
 Publication:

Journal of Hydronautics
 Pub Date:
 July 1976
 Bibcode:
 1976JHyn...10...95F
 Keywords:

 Algorithms;
 Boundary Layer Separation;
 Hydrofoils;
 Pressure Distribution;
 Turbulent Flow;
 Two Dimensional Boundary Layer;
 Angle Of Attack;
 Hydrofoil Craft;
 Incompressible Boundary Layer;
 Inviscid Flow;
 Iterative Solution;
 Laminar Boundary Layer;
 Separated Flow;
 Fluid Mechanics and Heat Transfer