System for measuring resonance frequencies in turbine and compressor vanes and propeller blades
作者： Jacques M. A. Fournier
DOI: 10.1121/1.390512
关键词:
摘要: A system for measuring resonance frequencies in turbine and compressor vanes propeller blades which a vane or blade is excited at its base by vibration generator the phase of excitation signal coming out an acoustic transducer placed compared to that from displacement tip. The resulting error serves pilot variable-frequency oscillator itself feeds generator, frequency noted meter.
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