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Stationary and non-stationary open water rudder tests
Vantorre, M. (2001). Stationary and non-stationary open water rudder tests, in: Kijima, K. (Ed.) Mini Symposium on Prediction of Ship Manoeuvring Performance, 18 October 2001, Tokyo, Japan. pp. 103-111
In: Kijima, K. (Ed.) (2001). Mini Symposium on Prediction of Ship Manoeuvring Performance, 18 October 2001, Tokyo, Japan. Japan Marine Dynamics Research Sub-Committee: [s.l.]. ii, 148 pp., more
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  • Vantorre, M., more
Abstract
    Comprehensive model tests were carried out in a shallow water towing tank equipped with a computer controlled planar motion mechanism in order to determine the open water characteristics of several rudders, including the rudder belonging to an Esso Osaka model. An alternative, non-stationary lest method was introduced which can lead to a reduction of the number of experiments required for determining a rudder's open water characteristics. It was observed that non-stationary phenomena may occur in the transition zone between flow characterised by circulation and lift and flow dominated by viscous effects.
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