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首页> 外文期刊>International Shipbuilding Progress >Evaluation of endplate impact on tip loaded propeller performance using a RANSE solver
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Evaluation of endplate impact on tip loaded propeller performance using a RANSE solver

机译：使用RANSE求解器评估端板对叶尖负载螺旋桨性能的影响

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摘要

Systematic variations of the endplate geometry for two endplate propellers are made in order to assess the impact of the blade tip shape on propeller performance. Several types of modifications are analyzed including variations in plate width, contraction angle, plate sweep and flap angle. The effect of endplate geometry modifications in the radial distribution of circulation is illustrated. The magnitude of the circulation is derived from the analysis of the tangential velocities behind the propeller. The contribution of pressure and friction components to the total endplate forces is also shown. Comparisons are made at full scale. A special procedure for the generation of the computational grids is implemented in order to minimize computational errors in the comparison of the alternative geometries. RANS code FINFLO is used in the evaluation.
机译：对两个端板螺旋桨进行了端板几何形状的系统变化，以评估叶片尖端形状对螺旋桨性能的影响。分析了几种类型的修改，包括板宽，收缩角，板掠角和襟翼角的变化。图示了端板几何形状修改对循环径向分布的影响。循环量是通过分析螺旋桨后面的切线速度得出的。还显示了压力和摩擦分量对总端板力的贡献。进行全面比较。为了在替代几何的比较中最小化计算误差，实施了一种用于生成计算网格的特殊程序。评估中使用了RANS代码FINFLO。

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