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Proceedings Paper

Nondestructive evaluation of turbine blades vibrating in resonant modes
Author(s): Cesar A. Sciammarella; Mansour A. Ahmadshahi
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Paper Abstract

The paper presents the analysis of the strain distribution of turbines blades. The holographic moiré technique is used in conjunction with computer analysis of the fringes. The application of computer fringe analysis techniques reduces the number of holograms to be recorded to two. Stroboscopic illumination is used to record the patterns. Strains and stresses are computed.

Paper Details

Date Published: 1 December 1991
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Proc. SPIE 1554, Second International Conference on Photomechanics and Speckle Metrology, (1 December 1991); doi: 10.1117/12.57467
Show Author Affiliations
Cesar A. Sciammarella, Illinois Institute of Technology (United States)
Mansour A. Ahmadshahi, Univ. of California/San Diego (United States)


Published in SPIE Proceedings Vol. 1554:
Second International Conference on Photomechanics and Speckle Metrology
Fu-Pen Chiang; Fu-Pen Chiang, Editor(s)

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