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高速摩托艇喷水推进器性能分析及其改进

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Keywords: 高速摩托艇,喷水推进器,性能分析,计算流体力学(CFD)

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Abstract:

为改进某高速摩托艇喷水推进器推进性能,运用计算流体力学方法通过求解雷诺时均的控制方程,计算喷水推进泵和“喷水推进泵+进水流道+格栅+船体”的流场特性.利用CFX软件进行后处理,分析喷水推进泵和“喷水推进泵+流道+格栅+船体”的流场特性,针对其流道内存在涡流及推进效率偏低现象,提出对流道几何进行优化的处理方案.通过对进水流道进行优化设计,喷水推进效率提高6%.

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