CAVITATION NOISE AND INCEPTION AS INFLUENCED BY BOUNDARY-LAYER DEVELOPMENT ON A HYDROFOIL

This paper describes measurements of noise from two-phase flow over hydrofoils. The experiments were performed in a variable-pressure water tunnel which was acoustically calibrated so that sound power levels could be deduced from the sound measurements. It is partially reverberant in the frequency range of interest. Cavitation was generated on a hydrofoil in the presence of either a separated laminar boundary layer or a fully turbulent attached boundary layer. The turbulent boundary layer was formed downstream of a trip which was positioned near the leading edge. High-speed photographs show the patterns of cavitation which were obtained in each case. The noise is shown to depend on the type of cavitation produced.

• Corporate Authors:

  Cambridge University Press

  32 Avenue of the Americas
  New York, NY  United States  10013-2473
• Authors:
  • Blake, W K
  • Wolpert, M J
  • Geib, F E
• Publication Date: 1977-5-23

Media Info

• Features: References;
• Pagination: p. 617-640
• Serial:
  • Journal of Fluid Mechanics
  • Volume: 80
  • Publisher: Cambridge University Press

Subject/Index Terms

• TRT Terms: Boundary layer; Boundary layer flow; Cavitation (Mechanics); Cavitation erosion; Cavitation noise; Flow; Hydrofoils; Laminar flow; Measurement; Noise; Streamflow; Turbulence; Turbulent boundary layer; Water
• Uncontrolled Terms: Noise measurement
• Old TRIS Terms: Laminar boundary layer
• Subject Areas: Design; Environment; Hydraulics and Hydrology; Marine Transportation;

Filing Info

• Accession Number: 00167638
• Record Type: Publication
• Source Agency: Engineering Index
• Report/Paper Numbers: Pt 4
• Files: TRIS
• Created Date: Dec 27 1977 12:00AM