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Application of RANS to hydrodynamics of bilge keels and baffles

Record type: Conference or Workshop Item (Paper)

This investigation first focuses on modelling the flow around cantilever plates in normal oscillation, providing key guidance for attaining sufficient accuracy for most engineering applications, in terms of turbulence modelling, mesh refinement and time step selection. The modelling approach is then applied to the hydrodynamics of a ship-like section fitted with vertical bilge keels, rolling at free surface. The results obtained from RANS are compared to available experimental data and predictions obtained from potential flow analysis. Viscous effects arising from the presence of the bilge keels are shown to influence more hydrodynamic coefficients than just roll fluid damping. Finally, empirical formulae commonly used to allow for the influence of viscous roll damping are compared to RANS predictions and experimental data.

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Citation

Querard, A.B.G., Temarel, P. and Turnock, S.R. (2010) Application of RANS to hydrodynamics of bilge keels and baffles At William Froude Conference on Advances in theoretical and applied hydrodynamics – Past and Future, United Kingdom.

More information

Published date: November 2010
Venue - Dates: William Froude Conference on Advances in theoretical and applied hydrodynamics – Past and Future, United Kingdom, 2010-11-01
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 169617
URI: http://eprints.soton.ac.uk/id/eprint/169617
PURE UUID: ff41736c-cf3e-4b37-aaf0-2d5277695113
ORCID for P. Temarel: ORCID iD orcid.org/0000-0003-2921-1242
ORCID for S.R. Turnock: ORCID iD orcid.org/0000-0001-6288-0400

Catalogue record

Date deposited: 22 Dec 2010 09:38
Last modified: 18 Jul 2017 12:18

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Contributors

Author: A.B.G. Querard
Author: P. Temarel ORCID iD
Author: S.R. Turnock ORCID iD

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