A Simple method for predicting the maximum squat of a high-speed displacement ship

Gourlay, Tim

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Authors

Gourlay, Tim

Date

2006

Type

Journal Article

Metadata

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Citation

Gourlay, Tim. 2006. A Simple method for predicting the maximum squat of a high-speed displacement ship. Marine Technology and SNAME News 43 (3): pp. 146-151.

Source Title

Marine Technology and SNAME News

ISSN

0025-3316

Faculty

Centre for Marine Science and Technology (CMST)

Faculty of Science and Engineering

School

Centre for Marine Science & Technology (COE)

URI

http://hdl.handle.net/20.500.11937/10705

Collection

Curtin Research Publications

Abstract

A simple formula is developed for predicting the maximum squat of a displacement ship as it passes through the transcritical speed range. This is given in terms of a maximum sinkage coefficient, which is almost constant across a wide range of hull forms. Satisfactory agreement is shown with model test results, and it is shown that large stern sinkages in the order of 3 to 6 meters are predicted for frigate and destroyer type hulls in shallow calm water.