Investigation of waviness in wind turbine blades: Structural health monitoring

dc.contributor.author Chakrapani, Sunil Kishore
dc.contributor.author Dayal, Vinay
dc.contributor.author Barnard, Daniel
dc.contributor.author Dayal, Vinay
dc.contributor.department Center for Nondestructive Evaluation
dc.date 2018-02-13T06:00:40.000
dc.date.accessioned 2020-06-30T01:25:24Z
dc.date.available 2020-06-30T01:25:24Z
dc.date.copyright Tue Jan 01 00:00:00 UTC 2013
dc.date.embargo 2013-02-09
dc.date.issued 2012-07-01
dc.description.abstract <p>Waviness in composite wind turbine blades was detected and characterized with the help of air coupled ultrasonics. Based on the aspect ratio, the detected marcels are either accepted or rejected. A passive structural health monitoring approach has been presented here to monitor the accepted marcels above a threshold. The fatigue life of specimen is most affected in the presence of a marcel. Hence this study focused on the damage evaluation after fatigue testing. Wavy laminate was subjected to fatigue load to investigate the fracture mechanisms near the marcel. Different types of defects were identified from this study and were used to develop appropriate instrumentation for health monitoring of a wavy laminate using PVDF patches.</p>
dc.description.comments <p>Copyright 2013 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.</p> <p>This article appeared in <em>AIP Conference Proceedings </em>1511 (2012): 310–316 and may be found at <a href="http://link.aip.org/link/doi/10.1063/1.4789063">http://dx.doi.org/10.1063/1.4789063</a>.</p>
dc.identifier archive/lib.dr.iastate.edu/cnde_conf/16/
dc.identifier.articleid 1011
dc.identifier.contextkey 3673983
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath cnde_conf/16
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/15632
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/cnde_conf/16/2012_Chakrapani_InvestigationWavinessWind.pdf|||Fri Jan 14 20:49:54 UTC 2022
dc.subject.disciplines Aerospace Engineering
dc.subject.disciplines Materials Science and Engineering
dc.subject.disciplines Structures and Materials
dc.subject.keywords blades
dc.subject.keywords condition monitoring
dc.subject.keywords fatigue testing
dc.subject.keywords fracture
dc.subject.keywords structural engineering
dc.subject.keywords ultrasonics
dc.subject.keywords wind turbines
dc.subject.keywords nondestructive evaluation
dc.subject.keywords QNDE
dc.subject.keywords Aerospace Engineering
dc.title Investigation of waviness in wind turbine blades: Structural health monitoring
dc.type article
dc.type.genre conference
dspace.entity.type Publication
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relation.isAuthorOfPublication fe8f4e39-b155-4160-bf89-f41a94e42248
relation.isOrgUnitOfPublication f2b877c3-5654-4c6a-9e64-6c944f9f02b6
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