Dynamic measurements with a luminescent photoelastic coating

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dc.contributor Wang, Jialai
dc.contributor Jones, S. E.
dc.contributor.advisor Hubner, James Paul
dc.contributor.author Conway, Melissa Lynn
dc.date.accessioned 2017-03-01T16:37:32Z
dc.date.available 2017-03-01T16:37:32Z
dc.date.issued 2012
dc.identifier.other u0015_0000001_0001145
dc.identifier.other Conway_alatus_0004M_11315
dc.identifier.uri https://ir.ua.edu/handle/123456789/1622
dc.description Electronic Thesis or Dissertation
dc.description.abstract The luminescent photoelastic coating (LPC) technique optically measures full-field, in-plane strain and principal strain directions on specimens of interest. Typically, a circularly-polarized, continuous, blue-light source is used to excite the coating. The resulting emission polarization, and, hence, emission intensity when viewed through an analyzer optic, is a function of the absorption, luminescence, and surface strain. This research thesis focuses on the dynamic application of the technique, specifically cyclic-load cases as the image intensity is too low for the camera to accurately capture transient-load cases. The dynamic tests involved bar specimens and square-tube specimens loaded at 1 Hz and 10 Hz. Instead of continuous excitation, strobed excitation was phase-synchronized with the frequency of the specimen. The experimental set-up and results are discussed.
dc.format.extent 93 p.
dc.format.medium electronic
dc.format.mimetype application/pdf
dc.language English
dc.language.iso en_US
dc.publisher University of Alabama Libraries
dc.relation.ispartof The University of Alabama Electronic Theses and Dissertations
dc.relation.ispartof The University of Alabama Libraries Digital Collections
dc.relation.hasversion born digital
dc.rights All rights reserved by the author unless otherwise indicated.
dc.subject.other Aerospace engineering
dc.subject.other Engineering
dc.subject.other Mechanics
dc.title Dynamic measurements with a luminescent photoelastic coating
dc.type thesis
dc.type text
etdms.degree.department University of Alabama. Dept. of Aerospace Engineering and Mechanics
etdms.degree.discipline Aerospace Engineering
etdms.degree.grantor The University of Alabama
etdms.degree.level master's
etdms.degree.name M.S.

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