LINEARIZED THEORY OF FINITE CAVITY FLOW AROUND A THIN JET-FLAPPED HYDROFOIL

A theoretical analysis of the steady finite cavity flow around a thin plane hydrofoil with a thin jet flap is presented. Distributions of sources and vorticies are used to obtain a governing equation of this cavity flow. The resulting equation is solved by the method of matched asymptotic expansions for small value of the jet-momentum coefficient. Using the present method, there are three cavity models around conventional hydrofoils: open model; closed; and semiclosed models. It is found that the open cavity model is reasonable from a theoretical viewpoint and other cavity models are unreasonable.

• Corporate Authors:

  American Institute of Aeronautics and Astronautics

  1290 Avenue of the Americas
  New York, NY  United States  10019
• Authors:
  • Kida, T
  • Miyai, Y
• Publication Date: 1975-7

Media Info

• Features: References;
• Pagination: p. 119-124
• Serial:
  • Journal of Hydronautics
  • Volume: 9
  • Issue Number: 7
  • Publisher: American Institute of Aeronautics and Astronautics

Subject/Index Terms

• TRT Terms: Cavitation; Cavitation erosion; Hydrofoils; Supercavitating hydrofoils
• Old TRIS Terms: Cavity dynamics
• Subject Areas: Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00127591
• Record Type: Publication
• Source Agency: American Institute of Aeronautics and Astronautics
• Files: TRIS
• Created Date: Dec 3 1975 12:00AM