基于CN群论的叶片-轴系统动态特性分析

Turbine Technology(2017)

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Abstract
建立考虑叶片柔性、转速等影响的核电汽轮机低压级转子的叶片-轴系统动力学模型,基于CN群论利用转子系统的循环对称性将其简化为1/N单扇区叶片-轴几何模型,不仅显著提高计算效率,而且可数值分析得到多阶叶片与轴的耦合模态及较明显的级间耦合模态,为汽轮机转子系统的设计及稳定运行提供指导和参考.
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