CAVITATION TESTS WITH A PROPELLED SHIP MODEL (OF A CATAMARAN CONTAINER SHIP)

As part of A.G. Weser's research and development project "Kapuce", which has the support of the West German Government, an extensive test program for a high-speed catamaran containership has been assigned to VWS, the experimental establishment in Berlin. The present paper gives an account of systematic propeller-cavitation tests (one of five items in this program) carried out with a 1:40-scale self-propelled model of a 324-m catamaran in the large depressurized circulation-tank at VWS. The object of these tests was to determine the effects of the test-area air pressure on cavitation and propulsion behavior and pressure fluctuations at the hull plating near the propellers. Experimental techniques, cavitation and propulsion tests, and hull-pressure measurements are described, together with a presentation and discussion of results obtained. Such tests are recommended, in particular, for fast ships with highly-loaded propellers. The paper includes some general information on further work to be undertaken with this depressurized tank. It is noted that planar-motion and certain other equipment is to be incorporated in the tank, and that studies of ship/model correlation and other problems will continue.

• Corporate Authors:

  Schroedter (C) and Company

  Stubbenhuk 10
  Hamburg 11,   Germany 
• Authors:
  • Fleischer, K P
  • Schuster, S
• Publication Date: 1976-12

Language

• German

Media Info

• Pagination: 5 p.
• Serial:
  • HANSA
  • Volume: 113
  • Issue Number: 24
  • Publisher: Deutsche Bahn AG

Subject/Index Terms

• TRT Terms: Cavitation (Mechanics); Cavitation erosion; Containerships; Propellers; Twin hulled ships
• Old TRIS Terms: Cavitating propellers
• Subject Areas: Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00158007
• Record Type: Publication
• Source Agency: British Ship Research Association
• Files: TRIS
• Created Date: Aug 31 1977 12:00AM