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An investigation into the hydrodynamic characteristics of a high-speed partial air cushion supported catamaran (PACSCAT)

Molland, A.F., Wilson, P.A., Lewthwaite, J.C. and Taunton, D.J. (2005) An investigation into the hydrodynamic characteristics of a high-speed partial air cushion supported catamaran (PACSCAT) In Proceedings of FAST 2005. Institute of Marine Engineering, Science and Technology..

Record type: Conference or Workshop Item (Paper)


The partial air cushion supported catamaran concept (PACSCAT) can offer an efficient solution when a relatively high payload is required to be carried at relatively high speeds with a restricted draught. Such circumstances reflect potential modes of shallow water operation in inland waterways such as the Rhine and Danube. In support of the development of the concept, numerical models of the resistance and wave wash characteristics have been developed and extensive tank tests in shallow water carried out. A theoretical model of the cushion has been combined with thin ship theory representing the side hulls. The developed model offers the facility to make performance estimates of the powering and wave wash for various operational scenarios. The paper also describes the choice of propulsor for the vessel, from the options of open propellers, ducted propellers or waterjets. It is found that the best propulsive efficiency can be achieved with the use of ducted propellers.

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More information

Published date: July 2005
Venue - Dates: Eighth International Conference on Fast Sea Transportation (FAST 2005), 2005-06-27 - 2005-06-30
Organisations: Fluid Structure Interactions Group


Local EPrints ID: 23045
ISBN: 5883030459
PURE UUID: 9bdef4fd-4c9f-455d-8adc-3a5801d0a2cd
ORCID for P.A. Wilson: ORCID iD
ORCID for D.J. Taunton: ORCID iD

Catalogue record

Date deposited: 27 Mar 2006
Last modified: 17 Jul 2017 16:19

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