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http://dx.doi.org/10.3744/SNAK.2020.57.1.035

Numerical Study on Propeller Cavitation and Pressure Fluctuation of Model and Full Scale ship for a MR Tanker  

Park, Il-Ryong (Department of Naval Architecture and Ocean Engineering, Dong-Eui University)
Kim, Ki-Sup (Korea Research Institute of Ships & Ocean Engineering, Korea Institute of Ocean Science & Technology)
Kim, Je-In (Marine Hydrodynamic Performance Research Center, Dong-Eui University)
Seol, Han-shin (Korea Research Institute of Ships & Ocean Engineering, Korea Institute of Ocean Science & Technology)
Park, Young-Ha (Korea Research Institute of Ships & Ocean Engineering, Korea Institute of Ocean Science & Technology)
Ahn, Jong-Woo (Korea Research Institute of Ships & Ocean Engineering, Korea Institute of Ocean Science & Technology)
Publication Information
Journal of the Society of Naval Architects of Korea / v.57, no.1, 2020 , pp. 35-44 More about this Journal
Abstract
Propeller cavitation extent, pressure fluctuation induced by cavitation, pressure distribution on propeller blade, total velocity distribution and nominal wake distribution for a MR Taker were computed in both conditions of model test and sea trial using a code STAR-CCM+. Then some of the results were compared with model test data at LCT and full-scale measurement (Ahn et al (2014); Kim et al (2014)] in order to confirm the availability of a numerical prediction method and to get the physical insight of local flow around a ship and propeller. The nominal wake distributions computed and measured by LDV velocimeter on the variation of on-coming velocity show the wake contraction characteristics proposed by Hoekstra (1974). The numerical prediction of propeller cavitation extent on a blade angular position and pressure fluctuation level on each location of pressure sensors are very similar with the experimental results.
Keywords
Full scale ship; Propeller Cavitation; Computational Fluid Dynamics(CFD); Pressure fluctuation; Wake Contraction; Pressure distribution on blade;
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Times Cited By KSCI : 2  (Citation Analysis)
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