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http://dx.doi.org/10.7846/JKOSMEE.2011.14.4.264

Study on the Characteristics of Thrust and Torque for Partially Submerged Propeller  

Park, H.G. (Samsung Heavy Industries Co., Ltd.)
Lee, T.G. (Samsung Heavy Industries Co., Ltd.)
Paik, K.J. (Samsung Heavy Industries Co., Ltd.)
Choi, S.H. (Samsung Heavy Industries Co., Ltd.)
Publication Information
Journal of the Korean Society for Marine Environment & Energy / v.14, no.4, 2011 , pp. 264-272 More about this Journal
Abstract
Shipbuilders carry out the operation test to check the conditions of the main propulsion system and auxiliaries for moored vessel in the quoy before the sea trial. The estimation of the thrust and torque for the partially submerged propeller should be prepared to ensure the safety of mooring line and the ship. In this paper, the variations of the thrust and torque according to the shaft submergence and the propeller rotating speed in bollard pull condition are investigated with the model test and the numerical analysis. Based on these resaearch, the empirical formula representing the physical phenomena of the partially submerged propeller is derived and validated through comparison to measurement results of full-scale propellers under the quoy operation test.
Keywords
Propeller ventilation; Partially submerged propeller;
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