The hydrodynamic performance prediction of ship hull with propeller and rudder
- 作者：SHEN Hai-longGOMRI AbdelhakQIN Zai-baiSU Yu-minPANG Yong-jie
- 会议时间：2011-08-03
- 关键词：computational fluid dynamics ; turbulence model ; mesh ; interaction of ship with propeller and rudder ; resistance oefficient
- 作者单位：National Key Laboratory of Science and Technology on Autonomous Underwater Vehicle, Harbin Engineering University, Harbin 150001, China
- 母体文献：第十五届中国海洋(岸)工程学术讨论会论文集
- 会议名称：第十五届中国海洋(岸)工程学术讨论会
- 会议地点：太原
- 主办单位：中国海洋学会
- 语种：chi
摘要
In the present study, we conducted ship's resistance and propulsion performance, using computational fluid dynamics techniques, where a Reynolds-averaged-Navier-Stokes equations (RANSEs) solver was employed.The principal aim of the study is to verify the ability of a CFD method, to predict the hydrodynamic performances of a ship hull appended by propeller and rudder.The complexity in the mesh generation is one of the main obstacles for CFD.For convenience of mesh generation, unstructured meshes were used in the region around ship hull, propeller, and rudder, where the domain's shape is formed of delicate curved surfaces.On the other hand, structured meshes were generated for the rest of the domain.Following a hybrid mesh generation approach, prismatic cells have been generated in the boundary layer, where viscous phenomena are dominant, and tetrahedral cells in the remaining regions.The SST k-w model has been employed for turbulence closure using the steady-rotating reference frame source terms.Thrust and torque forces, pressure and velocity distributions were used to analyze the computed flow field.The hydrodynamic performance prediction method was gotten and was validated.The computational results were validated by comparing with the existing experimental data.