TUNNEL HULL CAVITATION AND PROPELLER INDUCED PRESSURE INVESTIGATION

Cavitation performance of two propellers at different hull clearance-to-diameter ratios in a tunnel hull model are presented, as well as the propeller-induced pressures measured in the tunnel wall. Cavitation performance of the two propellers in uniform flow is also included. The propellers operating in the tunnel hull were found to be more efficient than in uniform flow. Predominate features of the induced pressure measurements were the blade-frequency harmonics. There was no evidence of flow separation on the tunnel hull model at simulated ship speeds of 45 knots.

• Corporate Authors:

  Naval Ship Research and Development Center

  Ship Performance Center
  Bethesda, MD  United States  20034

  Naval Ship Engineering Center

  Norfolk Division, Naval Station
  Norfolk, VA  United States  23511
• Authors:
  • Peck, J G
• Publication Date: 1974-11

Media Info

• Pagination: 38 p.

Subject/Index Terms

• TRT Terms: Blades (Machinery); Cavitation (Mechanics); Cavitation erosion; Excitation; Propellers; Vibration
• Old TRIS Terms: Blade frequency vibration; Propeller excitation; Propeller induced vibration
• Subject Areas: Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00084847
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: SPD-597-01 Final Rpt.
• Files: TRIS
• Created Date: May 19 1975 12:00AM