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Accurate capture of rudder-propeller interaction using a coupled blade element momentum-RANS approach

Accurate capture of rudder-propeller interaction using a coupled blade element momentum-RANS approach
Accurate capture of rudder-propeller interaction using a coupled blade element momentum-RANS approach
Ship rudders are almost always placed downstream of the propeller so they can take advantage of the increased local velocity due to the presence of the propeller race. The methods discussed in this paper replicate the flow integrated effects of the propeller which generates an accelerated and swirled onset flow onto the rudder. As long as the radial variation in axial and tangential momentum (including hull and rudder interaction effects) generated by the propeller are included, then the influence of the unsteady propeller flow can be removed and ’steady’ calculations performed to evaluate propeller rudder interaction. Three different body force propeller models will be
considered and numerical results will be compared with experiments by Molland and Turnock [1, 2, 3], using the modified Wageningen B4.40 propeller and Rudder No.2
rudder-propeller interaction, blade element momentum, cfd
Phillips, A.B.
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Furlong, M.E.
332e9aef-8c6b-452f-8b85-712492767458
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
Phillips, A.B.
f565b1da-6881-4e2a-8729-c082b869028f
Furlong, M.E.
332e9aef-8c6b-452f-8b85-712492767458
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce

Phillips, A.B., Furlong, M.E. and Turnock, S.R. (2009) Accurate capture of rudder-propeller interaction using a coupled blade element momentum-RANS approach. 12th Numerical Towing Tank Symposium, Cortona, Italy, Italy. 03 - 05 Oct 2009. 6 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

Ship rudders are almost always placed downstream of the propeller so they can take advantage of the increased local velocity due to the presence of the propeller race. The methods discussed in this paper replicate the flow integrated effects of the propeller which generates an accelerated and swirled onset flow onto the rudder. As long as the radial variation in axial and tangential momentum (including hull and rudder interaction effects) generated by the propeller are included, then the influence of the unsteady propeller flow can be removed and ’steady’ calculations performed to evaluate propeller rudder interaction. Three different body force propeller models will be
considered and numerical results will be compared with experiments by Molland and Turnock [1, 2, 3], using the modified Wageningen B4.40 propeller and Rudder No.2

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More information

Published date: October 2009
Venue - Dates: 12th Numerical Towing Tank Symposium, Cortona, Italy, Italy, 2009-10-03 - 2009-10-05
Keywords: rudder-propeller interaction, blade element momentum, cfd
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 69140
URI: http://eprints.soton.ac.uk/id/eprint/69140
PURE UUID: eb952ef6-84de-46cf-a178-c86c27f41bb1
ORCID for A.B. Phillips: ORCID iD orcid.org/0000-0003-3234-8506
ORCID for S.R. Turnock: ORCID iD orcid.org/0000-0001-6288-0400

Catalogue record

Date deposited: 21 Oct 2009
Last modified: 11 Dec 2021 04:02

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Contributors

Author: A.B. Phillips ORCID iD
Author: M.E. Furlong
Author: S.R. Turnock ORCID iD

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