期刊
出版社
IOP PUBLISHING LTD
DOI: 10.1088/1757-899X/400/4/042004
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The study proposes a numerical solution for the self-propulsion prediction of the Japan Bulk Carrier (JBC) ship model based on two different approaches: the first is the body force method using an infinite-blade actuator disk, while the second is based on a 3-D fully discretized propeller using the sliding grid technique. The computations are performed for the ship with and without Energy Saving Device (ESD) by making use of the ISIS-CFD solver which is available in the commercial software FineTM/Marine provided by NUMECA. The solver is based on finite volume method to build the spatial discretization to solve the Reynolds-Averaged Navier-Stokes equation (RANSE) in a global approach. Closure to turbulence is made by making use of k-omega SST model for the actuator disk case and EASM for the propeller model case. A comprehensive investigation is brought into attention for the nominal wake and the effective wake flow, for clarifying and understanding the hull-propeller interaction. The computed results are compared to the experimental results presented in the Tokyo Workshop on the Naval Hydrodynamics 2015 and showed a reasonable agreement.
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