特型涡轮转子耦合系统振动特性分析  

Coupling Vibration Analysis of a Particular Turbine Rotor

作　　者：程滔[1] 张锦[1] 

机构地区：[1]北京航空航天大学405教研室,北京100083

出　　处：《航空动力学报》2000年第4期401-404,共4页Journal of Aerospace Power

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。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.

关 键 词：镍基合金 耦合振动 航空发动机 特征涡轮转子 

分 类 号：V231.92[航空宇航科学与技术—航空宇航推进理论与工程]