Holographic vibration tests have been conducted to determine the vibration mode shapes of jet engine turbine and compressor blades and airframe panels. Tests were conducted using piezoelectric transducers, electromechanical and electromagnetic vibrators, and acoustic drivers of excitation. Time average holograms were obtained and the vibration pattern used to locate nodes and antinodes and to measure relative displacements.
Holographic Measurement of Compressor Blade, Turbine Blade and Airframe Panel Vibration Distribution
Sae Technical Papers
1969 International Automotive Engineering Congress and Exposition ; 1969
1969-02-01
Aufsatz (Konferenz)
Englisch
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