Analysis Of Rotating Structures Using Image Denotation With Multiple-Pulsed Lasers And Moire Techniques

James C. MacBain; William A. Stange; Kevin G. Harding

doi:10.1117/12.7972932

1 June 1982 Analysis Of Rotating Structures Using Image Denotation With Multiple-Pulsed Lasers And Moire Techniques

James C. MacBain, William A. Stange, Kevin G. Harding

Author Affiliations +

Optical Engineering, Vol. 21, Issue 3, 213474 (June 1982). https://doi.org/10.1117/12.7972932

Abstract

During the past decade the optical measurement technique of image derotated hologram interferometry has evolved to a point where it has become an extremely useful laboratory tool for studying the resonant structural response of rotating bodies such as turbomachinery bladed disks. The results obtained using derotated hologram interferometry to study a simple bladed disk are presented. Both stationary and traveling disk modes of vibration were recorded. Also presented is an extension of the technique to quantitatively measure traveling mode shapes using a triple-pulsed laser. Combining moire analysis with image derotation is also discussed, and some preliminary experimental results are given.

Citation Download Citation

James C. MacBain, William A. Stange, and Kevin G. Harding "Analysis Of Rotating Structures Using Image Denotation With Multiple-Pulsed Lasers And Moire Techniques," Optical Engineering 21(3), 213474 (1 June 1982). https://doi.org/10.1117/12.7972932

Published: 1 June 1982

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