高速高效离心式鼓风机转子系统动力学分析  

Rotor-dynamics System Analysis of Centrifugal Blowers with High Speed and Efficiency

作　　者：张勇 张跃春[1,2] 李荣满 张正华 陈卉 Yong Zhang;Yue-chun Zhang;Rong-man Li;Zheng-hua Zhang;Hui Chen(Hunan Hang Xiang Gas Turbin Co.,LTD;China Aviation Powerplant Research Institute)

机构地区：[1]湖南航翔燃气轮机有限公司 [2]中国航空动力机械研究所

出　　处：《风机技术》2017年第3期40-43,共4页Chinese Journal of Turbomachinery

基　　金：株洲市创新引导基金项目(2015GJK003)

摘　　要：基于转子动力学原理,以高速高效离心式鼓风机增速齿轮箱的滑动轴承-转子系统为研究对象,针对滑动轴承非线性动压油膜力在高速时容易引起转子振动的问题,采用ANSYS的热力学分析模块,利用APDL编程语言,求解滑动轴承非线性的动压油膜力,并基于转子动力学的理论建立高速滑动轴承-转子系统的动力学模型,由此求得高速转子的振幅。最后通过高速高效离心式鼓风机增速齿轮箱振动测试试验,验证了高速滑动轴承-转子系统的高速稳定性。Based on the principles of rotor dynamics,the sliding bearing-rotor system of the gearbox for high speed,highly efficient centrifugal blowers is analysed.A dynamic model of the high speed sliding bearing-rotor system isestablished,to predict the rotor vibration due to non-linear dynamic pressure oil film forces of the sliding bearing at highspeed.The amplitude of the high speed rotor is obtained by using ANSYS thermodynamics analysis module and the APDLprogramming language to compute the non-linear,dynamic oil film force.Finally,the speed gearbox vibration test isconducted for the high speed and highly efficient centrifugal blower,which verifies the stability of the high-speed slidingbearing-rotor system.

关 键 词：动压油膜 ANSYS 转子动力学 振动测试 

分 类 号：TH442[机械工程—机械制造及自动化] TK05[动力工程及工程热物理]