Holographic Measurement of Compressor Blade, Turbine Blade and Airframe Panel Vibration Distribution 690265
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.
Citation: Alwang, W., Burr, R., and Cavanaugh, L., "Holographic Measurement of Compressor Blade, Turbine Blade and Airframe Panel Vibration Distribution," SAE Technical Paper 690265, 1969, https://doi.org/10.4271/690265. Download Citation
Author(s):
W. G. Alwang, R. Burr, L. A. Cavanaugh
Affiliated:
Pratt and Whitney Aircraft, Div., United Aircraft Corp.
Pages: 9
Event:
1969 International Automotive Engineering Congress and Exposition
ISSN:
0148-7191
e-ISSN:
2688-3627
Also in:
SAE 1969 Transactions-V78-A
Related Topics:
Jet engines
Vibration
Compressors
Acoustics
Airframes
Vehicle drivers
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