Preliminary wind tunnel investigation of the influence of propeller loading on a ship rudder in the bollard (J=0) condition
Preliminary wind tunnel investigation of the influence of propeller loading on a ship rudder in the bollard (J=0) condition
Performance tests were carried out on a semi-balanced skeg and an all-movable rudder model downstream of a propeller. The tests were carried out in a closed return wind tunnel with the wind tunnel fan stationary. The tests were not true zero speed as the model ship propeller circulated the air within the tunnel at a slow but measurable speed. This speed corresponded to a propeller advance ratio J of 0.17 and thrust loading K subscript T / J superscript 2 of 12. Performance comparisons were made for several propeller rates of revolution. Surface pressure measurements were made at 200 locations distributed over the all-movable rudder. Measurements were made for seven rudder angles between -30° and +30° at two rates of revolution of 800 and 1460 rpm.
University of Southampton
Molland, A.F.
917272d0-ada8-4b1b-8191-1611875ef9ca
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
1993
Molland, A.F.
917272d0-ada8-4b1b-8191-1611875ef9ca
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
Molland, A.F. and Turnock, S.R.
(1993)
Preliminary wind tunnel investigation of the influence of propeller loading on a ship rudder in the bollard (J=0) condition
(Ship Science Reports, 49)
Southampton, UK.
University of Southampton
39pp.
Record type:
Monograph
(Project Report)
Abstract
Performance tests were carried out on a semi-balanced skeg and an all-movable rudder model downstream of a propeller. The tests were carried out in a closed return wind tunnel with the wind tunnel fan stationary. The tests were not true zero speed as the model ship propeller circulated the air within the tunnel at a slow but measurable speed. This speed corresponded to a propeller advance ratio J of 0.17 and thrust loading K subscript T / J superscript 2 of 12. Performance comparisons were made for several propeller rates of revolution. Surface pressure measurements were made at 200 locations distributed over the all-movable rudder. Measurements were made for seven rudder angles between -30° and +30° at two rates of revolution of 800 and 1460 rpm.
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Published date: 1993
Additional Information:
ISSN 0140-3818
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Local EPrints ID: 44116
URI: http://eprints.soton.ac.uk/id/eprint/44116
PURE UUID: e29d09af-14a4-4763-b6e7-dba53764951d
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Date deposited: 20 Feb 2007
Last modified: 16 Mar 2024 02:37
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