SOME ASPECTS OF THE RESISTANCE OF FULL FORM SHIPS

The findings of a research program designed to measure the resistance components on ship models are summarized, particular attention being given to full form vessels. It is demonstrated that the bulbous bow is successful in reducing resistance primarily because it reduces the viscous pressure term which is very high on this type of ship; and that the wave pattern resistance is very small and is hardly affected by the bulb. Following this a study is made of the character of the forward end flow leading to forms of low resistance and theoretical methods of predicting the flow are compared with experiment. Perhaps one of the most interesting facts to emerge from the investigation is that the Preston tube technique for measuring shear stress appears to be satisfactory in strong pressure gradients.

• Corporate Authors:

  Royal Institution of Naval Architects

  10 Upper Belgrave Street
  ,   United States 
• Authors:
  • Shearer, J R
  • Steele, B N
• Publication Date: 1970-10

Media Info

• Features: References;
• Pagination: p. 465-486
• Serial:
  • Publication of: Royal Institution of Naval Architects
  • Volume: 112
  • Issue Number: 4
  • Publisher: Royal Institution of Naval Architects

Subject/Index Terms

• TRT Terms: Bows; Hulls; Shear stress; Wave resistance
• Old TRIS Terms: Bulbous bows; Hull forms; Hull shear stress
• Subject Areas: Design; Marine Transportation;

Filing Info

• Accession Number: 00019431
• Record Type: Publication
• Source Agency: Engineering Index
• Files: TRIS
• Created Date: Nov 19 1971 12:00AM