ACOUSTIC PERFORMANCE OF THE HIGHLY SKEWED PROPELLER OF A RO-RO CONTAINER SHIP

A description is given of experiments that were performed on board a ro/ro ship to determine the acoustic performance of a highly skewed propeller. The main objective was to ascertain the acoustic source strength and frequency spectrum of the fluctuating volume of propeller cavitation. It was found that the substitution of a highly skewed propeller reduced the acoustic source strength of the propeller cavitation. This lower source strength leads to a substantial reduction of the low frequency components of hull pressures and hull plate vibrations. A corresponding reduction of vibrations in the afterbody of the ship and of noise in accommodation and work spaces is suggested by the data.

• Supplemental Notes:
  • Conference paper
• Authors:
  • Bruggeman, J C
  • Huisman, A
• Conference:
  • Propellers '88 Symposium, 5th
  • Location: Virginia Beach, Virginia
  • Date: 1988-9-20 to 1988-9-21
• Publication Date: 0

Media Info

• Features: References;
• Pagination: 18p.+discuss.

Subject/Index Terms

• TRT Terms: Acoustics; Cavitation (Mechanics); Cavitation erosion; Cavitation noise; Noise control; Propellers; Roll on roll off ships; Vibration
• Identifier Terms: Nedlloyd Rochester (Ship)
• Uncontrolled Terms: Noise reduction
• Old TRIS Terms: Propeller induced vibration; Skewed propellers
• Subject Areas: Environment; Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00658831
• Record Type: Publication
• Source Agency: Maritime Technical Information Facility
• Files: TRIS
• Created Date: Jul 21 1994 12:00AM