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.
Supercavitating Linear Cascades With Rounded Noses
Division of Engineering and Applied Science, California Institute of Technology, Pasadena, Calif.
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Furuya, O. (March 1, 1974). "Supercavitating Linear Cascades With Rounded Noses." ASME. J. Fluids Eng. March 1974; 96(1): 35–42. https://doi.org/10.1115/1.3447093
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