喘振状态下叶片振动响应的试验研究

在某单级轴流压气机试验台上,进行了旋转失速和喘振状态下叶片振动响应的试验研究,利用电阻应变片、动态压力传感器、滑环式引电器和磁带记录仪等,录取叶片振动应变和动叶出口压力信号,然后回放磁带,做信号处理,在对时域和频域数据分析的基础上,论述了旋转失速和喘振状态下叶片振动响应的特征。

Experimental Research on Blade Vibration Response at Surge Condition

Experimental research on blade vibration response at rotating stall and surge condition has been carried out on a single stage axial compressor test rig. Using resistance strain gage, dynamic pressure sensor, slip ring and tape recorder, the blade vibration strain and exit pressure signals of rotor blades are recorded and then processed. Based on data analysis in both time and frequency domain, characteristics of blade vibration response at rotating stall and surge condition are introduced.