THE SQUAT OF FULL SHIPS IN SHALLOW WATER
The problem of sinkage and trim while underway in shallow water (squat) is discussed and its accurate assessment for the large ships of today is shown to be important. Some results of experiments to measure the squat of full-form ship models are presented and discussed and a semi-empirical theory is developed which predicts model results with reasonable accuracy. Full-scale measurements of squat have been obtained on a number of ships. The method by which this has been accomplished is described and some results are presented. These in turn are compared with model andd theoretical predictions and the measure of agreement obtained is encouraging bearing in mind the overall accuracy of the measurements.
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- Presented at a meeting of the Royal Institution of Naval Architects, London, 12 April 1973.
Royal Institution of Naval Architects, England10 Upper Belgrave Street
London SW1X 8BQ, England
- Dand, I W
- Ferguson, A M
- Publication Date: 1973
- Pagination: n.p.
- Royal Institution of Naval Architects Transactions
- ISSN: 0035-8967
- TRT Terms: Full bodied ships; Navigation; Prototype tests; Ship motion; Trim (Aeronautics)
- Uncontrolled Terms: Sinkage; Squat
- Old TRIS Terms: Model testing; Shallow water effects; Trim
- Subject Areas: Design; Marine Transportation; Vehicles and Equipment;
- Accession Number: 00323559
- Record Type: Publication
- Source Agency: Stevens Institute of Technology
- Files: TRIS
- Created Date: Mar 12 1981 12:00AM