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介绍了非接触叶尖定时技术分析航空发动机转子叶片非整阶次振动,通过数值仿真结果与实测结果对比,验证了相关分析方法可有效的分析叶片非整阶次振动。详细介绍了某发动机台架试车转子叶片非整阶次振动测量实例。
The non-contact tip timing technique is introduced to analyze the non-integer order vibration of aero-engine rotor blades. The numerical simulation results are compared with the measured results to verify that the correlation analysis method can effectively analyze the non-integer order vibration of the blade. In this paper, the non-full-order vibration measurement example of rotor blade of a test bench is introduced in detail.