SIMULATION OF SHIP WAKES IN WATER TUNNEL CAVITATION TESTING OF MODELS

Reliable cavitation testing of ship propulsors requires accurate modeling of the ship wake velocity field. This paper represents a progress report on efforts at the David Taylor Research Center (DTRC) to generate properly shaped velocity patterns in a water tunnel by means of partial length afterbody models. A survey of references is presented on the general topic of applications and techniques of wake simulation in water tunnels using a variety of means, including screens mounted normal to the tunnel stream; partial length (dummy model) hull representations; and full length geometrically scaled hull models. Described are three recent wake- generating bodies purposely designed for experiments conducted in the DTRC 36-inch Variable Pressure Water Tunnel. The wakes of these examples are taken in order of increasing degree of difficulty. In each case, there is a discussion of the target wake, the body design considerations, and the quality of the resultant simulated wake.

  • Supplemental Notes:
    • Conference paper
  • Authors:
    • Wilson, M B
  • Conference:
  • Publication Date: 0

Media Info

  • Features: References;
  • Pagination: 10p., incl. discuss.

Subject/Index Terms

Filing Info

  • Accession Number: 00660841
  • Record Type: Publication
  • Source Agency: Maritime Technical Information Facility
  • Files: TRIS
  • Created Date: Jul 21 1994 12:00AM