THE EFFECTS OF WAKE INTERFERENCE ON DESIGN CRITERIA FOR TRIPLE-SCREW PROPULSION UNITS

An explanation is presented of the various operating anomalies that have been observed on three-propeller arrangements. It has been noted that when a triple-screw ship is run at equal engine powers, its set of three variable-pitch propellers is unable to reach identical design pitches, and the ship is likewise unable to attain its design speed. To verify the author's hypothesis that these anomalies are caused by the wing propellers' race interfering with the inflow to the center propeller, experiments were performed on several triple-screw, variable pitch propeller vessels. Further verification experiments, however, are recommended.

Media Info

  • Features: References;
  • Pagination: 16p.

Subject/Index Terms

Filing Info

  • Accession Number: 00661303
  • Record Type: Publication
  • Source Agency: Maritime Technical Information Facility
  • Files: TRIS
  • Created Date: Jul 21 1994 12:00AM