基于CFD技术，以NACA0015标准机翼为基础，探索改善震荡水翼推进性能的新形式。在敞水条件下分析前端凸起参数对水翼性能的影响，计算水翼与浮子组合后的推进性能。基于CFD软件建立三维数值波浪水池，采用切割体网格技术预报水翼的水动力性能。数值波浪水池入口为速度进口采用直接造波方法，出口为压力出口采用阻尼消波方法，自由面采用VOF方法处理，采用重叠网格技术预报水翼模型的水动力性能以及运动响应。确定一种性能优良的波浪助推装置，为船舶波浪辅助推进的研究提供参考。
Based on the CFD technology, based on the NACA0015 standard wing, a new form of improving the propulsive performance of the oscillating hydrofoil is explored. Under the open water condition, the influence of the convex parameters of the front end on the performance of the hydrofoil is first calculated, and then the propulsion performance after the combination of the hydrofoil and the float is calculated. Based on CFD software, a three-dimensional numerical wave pool is built, and the hydrodynamic performance of the hydrofoil is predicted by cutting body grid technology. The numerical wave pool inlet adopts the direct wave making method for the speed inlet, the damping outlet method for the pressure outlet, the VOF method for the free surface, and the hydrodynamic performance and the motion response of the hydrofoil model are predicted by the overlapping grid technique. A wave booster with excellent performance is determined to provide reference for the study of ship wave assisted propulsion.
2020,42(10): 51-57 收稿日期：2019-11-07
DOI：10.3404/j.issn.1672-7649.2020.10.011
分类号：U664.35
基金项目：国家自然科学基金资助项目(51509114)；江苏省科技成果转化专项资金项目(BA2015042)
作者简介：李冬琴(1979-)，女，博士，副教授，从事多学科设计优化方法研究、现代船舶设计方法研究
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