EVALUATION OF VARIOUS TYPES OF NOZZLE PROPELLERS AND REACTION FIN AS THE DEVICE FOR THE IMPROVEMENT OF PROPULSIVE PERFORMANCE OF HIGH BLOCK COEFFICIENT SHIPS

Improvement of propulsive performance of ships has been considered to be one of the most effective items for power saving. In addition to the ceaseless effort to design hull forms with better performance, various types of propulsion device retrofitted to the existing ship have been considered to have promising improvement of ship propulsive performance. In the present study carried out in Nagasaki Experimental Tank, experiments were made for VLCC models, of different shape of after body with some kinds of propulsion device, namely nozzle propellers including modifications and a reaction fin. Quantitative evaluations of each device with respect to propulsive performance were made. As a result it was found that the reaction fin is the most effective device among the retrofitting devices examined.

  • Supplemental Notes:
    • Shipboard Energy Conservation '80, presented by the New York Metropolitan Section of SNAME, New York, New York, September 22-23, 1980.
  • Corporate Authors:

    Society of Naval Architects and Marine Engineers

    601 Pavonia Avenue
    Jersey City, NJ  USA  07306-2907
  • Authors:
    • Takekuma, K K
  • Publication Date: 1980

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00322778
  • Record Type: Publication
  • Report/Paper Numbers: Session V-C
  • Files: TRIS
  • Created Date: Nov 29 1980 12:00AM