A SINGULAR PERTURBATION METHOD OF CALCULATING THE BEHAVIOR OF SUPERCAVITATING HYDROFOILS WITH ROUNDED NOSES

A simple, direct and accurate method to predict the pressure distribution on supercavitating hydrofoils with rounded noses is presented. The thickness of body and cavity is assumed to be small. The method adopted in the present work is that of singular perturbation theory. Far from the leading edge, linearized free streamline theory is applied. Near the leading edge, however, where singularities of the linearized theory occur, a non-linear local solution is employed. The two unknown parameters which characterize this local solution are determined by a matching procedure. A uniformly valid solution is then constructed with the aid of the singular perturbation approach.

• Corporate Authors:

  California Institute of Technology

  Division of Engineering and Applied Science
  1200 East California Boulevard
  Pasadena, CA  United States  91125
• Authors:
  • Furuya, O
• Publication Date: 1972-6

Media Info

• Pagination: 117 p.

Subject/Index Terms

• TRT Terms: Bluff bodies; Boundary layer separation; Cavitation (Mechanics); Hydrofoils; Supercavitating hydrofoils
• Subject Areas: Design; Marine Transportation;

Filing Info

• Accession Number: 00040903
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: E-79A.14
• Contract Numbers: N00014-67-A-00940021
• Files: TRIS
• Created Date: Feb 14 1973 12:00AM