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High temperature optical strain measurement systemA high temperature strain measurement system being developed at the NASA Lewis Research Center utilizes laser speckle shift relations to measure strain components on the surface of a hot specimen in near real time. Features of this system include a totally noncontacting measurement capability and a rotatable gauge axis, allowing an optical rosette to be implemented and principal strains to be determined. Preliminary results and background work are presented.
Document ID
19890056471
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Lant, Christian T. (NASA Lewis Research Center; Sverdrup Technology, Inc. Cleveland, OH, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1988
Subject Category
Instrumentation And Photography
Meeting Information
Meeting: Annual Hostile Environments and High Temperature Measurements Conference
Location: Costa Mesa
Country: United States
Start Date: March 22, 1988
End Date: March 23, 1988
Sponsors: SEM
Accession Number
89A43842
Distribution Limits
Public
Copyright
Other

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