CAVITATION ON MODEL PROPELLERS WITH BOUNDARY LAYER TRIPS

As a first step in investigating this problem, a series of tests were repeated with a model propeller displaying abnormal cavitation effects. In order to more closely simulate prototype conditions at high Reynolds number, both boundary layer trips and artificial sand roughness were tried. The model propeller selected was a special. Variations between the model and prototype wake were adjusted for by operating the propeller at the proper thrust coefficient. Further, open water tests were carried out over a range of Reynolds number. Since the use of boundary layer trips in this application is rather new, some details of trip selection are offered to form a basis for further experiments, if the technique proves useful.

• Supplemental Notes:
  • Joint meeting of Fluids Engineering Division and Gas Turbine Division of ASME, Proceedings: Cavitation and Polyphase Flow Forum--1976, New Orleans, La., March 21-25, 1976.
• Corporate Authors:

  American Society of Mechanical Engineers

  Two Park Avenue
  New York, NY  United States  10016-5990
• Authors:
  • Arndt, REA
• Publication Date: 1976

Media Info

• Pagination: p. 30-32
• Serial:
  • Publication of: American Society of Mechanical Engineers
  • Publisher: American Society of Mechanical Engineers

Subject/Index Terms

• TRT Terms: Boundary layer; Cavitation (Mechanics); Cavitation erosion; Open water tests; Propellers; Reynolds number
• Old TRIS Terms: Boundary layer theory; Model testing
• Subject Areas: Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00152482
• Record Type: Publication
• Source Agency: Engineering Index
• Files: TRIS
• Created Date: Apr 27 1977 12:00AM