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Design studies of the manoeuvring performance of rudder-propeller systems

Molland, A.F., Turnock, S.R. and Smithwick, J.E.T., (1998) Design studies of the manoeuvring performance of rudder-propeller systems Oosterveld, M.C.W. and Tan, S.G. (eds.) In Proceedings of the Seventh International Symposium on Practical Design of Ships and Mobile Units, The Hague, The Netherlands, September 1998. Elsevier., pp. 807-816.

Record type: Conference or Workshop Item (Paper)


The fundamental basis for a rudder design methodology as a computational tool for deriving forces and moments on a ship rudder is described. Rudder performance for a wide range of rudder geometries and positions downstream of a propeller or in the free-stream can be determined. The software uses the fundamental physical processes which control rudder and propeller interaction coupled with a large set of wind tunnel test data to produce accurate and workable results for design. Rather than curve fitting, the correction algorithm applies a change to the force on the rudder to the nearest known set of data. This ensures that the software experimental database is utilised fully. The rapid prediction of rudder forces, be they for manoeuvring force prediction or rudder design strength calculation, allows the designer to consider the effect on rudder performance of the principal design constraints.

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Published date: 1998
Venue - Dates: Seventh International Symposium on Practical Design of Ships and Mobile Units (PRADS '98), 1998-09-20 - 1998-09-25
Keywords: ship manoeuvring, ship rudder design
Organisations: Fluid Structure Interactions Group


Local EPrints ID: 66782
ISBN: 0444829180
PURE UUID: e2ee0f24-6312-4aa1-94f9-f08bd5c21c93
ORCID for S.R. Turnock: ORCID iD

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Date deposited: 21 Jul 2009
Last modified: 19 Jul 2017 00:22

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Author: A.F. Molland
Author: S.R. Turnock ORCID iD
Author: J.E.T. Smithwick
Editor: M.C.W. Oosterveld
Editor: S.G. Tan

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