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Non-dimensionalisation of lateral distances between vessels of dissimilar sizes for interaction effect studies

journal contribution
posted on 2023-05-19, 12:56 authored by Buddhika Sembukutti Vidanelage, Susantha RanmuthugalaSusantha Ranmuthugala, Zhi Quan LeongZhi Quan Leong, Jiangang FeiJiangang Fei
To date, most of the hydrodynamic interaction studies between a tug and a ship during ship assist manoeuvers have been carried out using model scale investigations. It is however difficult to establish how well results from these studies represent full scale interaction behaviour. This is further exacerbated by the lack of proven methodologies to nondimensionalise the relative distances between the two vessels, enabling the comparison of model and full scale interaction effect data, as well as between vessels of dissimilar size ratios. This study investigates a suitable correlation technique to non-dimensionalise the lateral distance between vessels of dissimilar sizes, and a scaling option for interaction effect studies. It focuses on the interaction effects on a tug operating around the forward shoulder of a tanker at different lateral distances during ship assist operations. The findings and the non-dimensioning method presented in this paper enable the interaction effects determined for a given ship-to-tug ratio to be used to predict the safe operational distances for other ship-to-tug ratios.

History

Publication title

Transactions of the Royal Institution of Naval Architects Part A: International Journal of Maritime Engineering

Volume

159

Issue

A4

Pagination

429-441

ISSN

1740-2700

Department/School

Australian Maritime College

Publisher

The Royal Institution of Naval Architects

Place of publication

United Kingdom

Rights statement

Copyright 2017 RINA

Repository Status

  • Restricted

Socio-economic Objectives

Water transport not elsewhere classified

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