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Performance prediction of a 112m wave-piercing catamaran

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Kay, E, Lavroff, J ORCID: 0000-0001-5262-8666 and Davis, MR 2018 , 'Performance prediction of a 112m wave-piercing catamaran' , Transactions of the Royal Institution of Naval Architects Part A4: International Journal of Maritime Engineering, vol. 160 , A325-A336 , doi: 10.3940/rina.ijme.2018.a4.498.

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Abstract

The prediction of power required to propel a high-speed catamaran involves the hydrodynamic interactions between the hull surface and the surrounding fluid that may be difficult to compute numerically. In this study model-scale experiments are used as a basis for comparison to full-scale sea trials data measured on a 112m Incat wave-piercing catamaran to predict the full-scale powering requirements from model-scale testing. By completing water jet shaft power measurements on an Incat vessel during sea trials, comparison of these results was made to model-scale test results to provide good correlation. The work demonstrates that the International Towing Tank Conference (ITTC) extrapolation techniques used provide a good basis for extrapolating the data from model-scale to full-scale to predict the power requirements for the full-scale catamaran vessel operating at high Froude Number with water jet propulsion. This provides a useful tool for future designers and researchers for determining the power requirements of a catamaran vessel through model tests.

Item Type: Article
Authors/Creators:Kay, E and Lavroff, J and Davis, MR
Keywords: propulsion, high-speed catamaran, resistance, power prediction, model scale, full-scale, extrapolation
Journal or Publication Title: Transactions of the Royal Institution of Naval Architects Part A4: International Journal of Maritime Engineering
Publisher: Royal Institution of Naval Architects
ISSN: 1479-8751
DOI / ID Number: 10.3940/rina.ijme.2018.a4.498
Copyright Information:

Copyright 2018 The Royal Institution of Naval Architects

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