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http://dx.doi.org/10.3744/SNAK.2011.48.4.346

A Study on the Interaction between Hull-Propeller and a High-Lifting Horn-type Rudder  

Kim, Doo-Dong (Department of Naval Architecture and Ocean Engineering, Graduate School, Inha University)
Lee, Young-Gill (Department of Naval Architecture and Ocean Engineering, Inha University)
Publication Information
Journal of the Society of Naval Architects of Korea / v.48, no.4, 2011 , pp. 346-356 More about this Journal
Abstract
Rudder is to be located in extremely complicated flows generated and disturbed behind a hull and a propeller in operation. In order to estimate the rudder efficiency, it is quite important to investigate the disturbed flows due to the interaction under the hull-propeller and rudder condition. The purpose of the present research is to investigate the interaction between the hull-propeller and a high-lifting horn-type rudder through both numerical computations and experiments. A horn-type rudder implementing the Coanda effect of USB (Upper Surface Blowing) type is selected for its high efficiency of lifting force, and a 1/85 scaled model of 47K PC(Product Carrier) is manufactured for the purpose of the model test. The forces acting on the rudder during the experiment are measured using a three-component force gauge. Both cases are investigated in the hull-propeller-rudder condition and rudder open-water condition, which confirms that the flows generated under the former condition is considerably different from that of the latter condition.
Keywords
Interaction; Coanda effect; Horn-typ rudder; Model test; CFD;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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