OPTIMAL SHIP FORMS FOR MINIMUM BOW WAVES

The flow around slow, full-form ships with large bulbous bows is investigated based on the asymptotic analysis of the low-speed limit with a small parameter representing the slowness of a ship defined by U to the 2nd power/2g. A computer program based on Webster's (1975) method of submerged triangular source patches has been developed to compute the flow around arbitrary three-dimensional bodies in an infinite fluid. The free-surface disturbance function D(x,y) induced by the double-body potential has been examined for several bulbous bow models. It is shown that, contrary to Baba's (1975) hypothesis, ship forms having smaller D(x,y) do not necessarily yield better wave-breaking resistance characteristics.

• Corporate Authors:

  Massachusetts Institute of Technology

  Department of Ocean Engineering, 77 Massachusetts Avenue
  Cambridge, MA  United States  02139
• Authors:
  • Kim, K H
• Publication Date: 1977-5

Subject/Index Terms

• TRT Terms: Bow waves; Flow measurement; Fluid resistance; Hulls; Ships; Three dimensional flow; Vehicle design; Wave resistance
• Uncontrolled Terms: Hull resistance; Ship design
• Subject Areas: Design; Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00168238
• Record Type: Publication
• Source Agency: Massachusetts Institute of Technology
• Report/Paper Numbers: MS Thesis
• Files: TRIS
• Created Date: Jan 30 1978 12:00AM