特型涡轮转子耦合系统振动特性分析
Coupling Vibration Analysis of a Particular Turbine Rotor
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摘要: 本文分析研究了特型涡轮转子多重耦合振动系统的固有特性。对分析计算中所用的单晶合金的弹性矩阵作了分析推导。全面研究了此涡轮转子耦合振动的特性。在后处理中表述了多重耦合的模态特征。所引出的结论可供类似结构的耦合振动分析参考,有一定的工程实用价值。Abstract: The coupling vibration behaviors of a particular turbine rotor have been analyzed.The blades of the system were made of single-crystal nickel-based alloy and the disc was made of high temperature alloy of powder metallurgy.Therefore,the properties of these two kinds of materials were considered.The multi-coupling vibration of the rotor was studied comprehensively and the unique modal shapes were exhibited by the post-processing.Useful conclusions were derived for engineering application.
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Key words:
- nickel alloys /
- single crystal /
- powder metallurgy /
- coupling vibration(
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