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Synthesis of blade flutter vibratory patterns using stationary transducersFlutter frequency was determined and rotor vibratory amplitude and phase distributions during flutter were reconstructed from stationary aerodynamic type measurements. A previously reported optical method for measuring blade-tip displacement during flutter was extended by means of digital analysis. Displacement amplitudes and phase angle were determined based on this method. For selected blades, spectral results were also obtained from strain gage measurements. The results from these three types of measurement were compared and critically evaluated.
Document ID
19790026810
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Kurkov, A. (NASA Lewis Research Center Cleveland, OH, United States)
Dicus, J. (NASA Lewis Research Center Cleveland, Ohio, United States)
Date Acquired
August 9, 2013
Publication Date
April 1, 1978
Subject Category
Structural Mechanics
Meeting Information
Meeting: American Society of Mechanical Engineers, Gas Turbine Conference and Products Show
Location: London
Start Date: April 9, 1978
End Date: April 13, 1978
Accession Number
79A10823
Distribution Limits
Public
Copyright
Other

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