Supercavitating Linear Cascades With Rounded Noses

[+] Author and Article Information
O. Furuya

Division of Engineering and Applied Science, California Institute of Technology, Pasadena, Calif.

J. Fluids Eng 96(1), 35-42 (Mar 01, 1974) (8 pages) doi:10.1115/1.3447093 History: Received July 16, 1973; Online October 12, 2010


A singular perturbation method is used to analyze the flow past a linear cascade of thin supercavitating hydrofoils which have rounded leading edges. This consists essentially of correcting the local flow near the nose as determined by a somewhat improved linearized theory so that pressure distributions can be calculated. Numerical results for a number of cases having circular arc camberline and elliptic noses are presented over a range of parameters suitable for pump or propeller configurations. Some of these show very good lift/drag ratios and pressure distributions even for larger stagger angles.

Copyright © 1974 by ASME
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