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本文采用数值方法对叶轮机基元非定常流和排间匹配进行深入研究.结果表明流动非定常性产生额外损失,滞回现象存在于叶轮机中.而考虑基元非定常流动的叶型设计和排间缘线匹配技术将是未来叶轮机非定常气动设计的核心.

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