THE EFFECT OF NOSE RADIUS ON THE CAVITATION-INCEPTION CHARACTERISTICS OF TWO-DIMENSIONAL HYDROFOILS

Results of an analytical investigation of the cavitation properties of modified marine propeller-type hydrofoils are presented. In particular, dependence of the critical cavitation number and the cavitation-free, angle-of-incidence range on changes in the leading-edge thickness is determined. It is shown that within a narrow range of changes of leading-edge thickness, a delay in inception is possible, depending on the design problem under consideration. An increase in critical inception speed, accompanied by a sacrifice in some of the cavitation-free, angle-of-incidence range occurs for a small increase in the leading-edge thickness. A range of thickness changes exists for which beneficial results can be obtained. (Author)

  • Corporate Authors:

    Naval Ship Research and Development Center

    Bethesda, MD  USA  20034

    Naval Ship Systems Command

    Washington, DC  USA 
  • Authors:
    • Valentine, D T
  • Publication Date: 1974-7

Media Info

  • Pagination: 49 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00084434
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: NSRDC-3813
  • Files: TRIS
  • Created Date: Jun 26 1975 12:00AM