最小空泡脉动压力螺旋桨叶剖面优化设计技术研究
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摘要
螺旋桨叶剖面片空泡体积变化数值分析的基础上,通过建立剖面压力分布与对应空泡体积变化特性之间的相关关系,结合船后螺旋桨叶剖面工作环境,推荐了最小空泡脉动压力叶剖面快速设计流程。为了解决该设计流程中的参数选择及最优化问题,成功应用了基于遗传算法的优化技术,给出了数学模型以及优化策略,从而建立了最小空泡脉动压力叶剖面优化设计技术。采用建立的优化设计技术,对5600TEU集装箱船螺旋桨典型0.8R叶剖面开展了实例优化设计与分析,验证了方法的有效性。本文对降低大型水面舰船以及高速商船螺旋桨空泡脉动压力提供了一种技术手段。
引文
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