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Development of an embedded thin-film strain-gauge-based SHM network into 3D-woven composite structure for wind turbine blades

Zhao, Dongning, Rasool, Shafqat, Forde, Micheal, Weafer, Bryan, Archer, Edward, McIlhagger, Alistair and McLaughlin, James (2017) Development of an embedded thin-film strain-gauge-based SHM network into 3D-woven composite structure for wind turbine blades. In: Smart Materials and Nondestructive Evaluation for Energy Systems 2017. Published in SPIE Proceedings Vol. 10171:. 9 pp. [Conference contribution]

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DOI: 10.1117/12.2259808

Abstract

Recently, there has been increasing demand in developing low-cost, effective structure health monitoring system to be embedded into 3D-woven composite wind turbine blades to determine structural integrity and presence of defects. With measuring the strain and temperature inside composites at both in-situ blade resin curing and in-service stages, we are developing a novel scheme to embed a resistive-strain-based thin-metal-film sensory into the blade spar-cap that is made of composite laminates to determine structural integrity and presence of defects. Thus, with fiberglass, epoxy, and a thinmetal- film sensing element, a three-part, low-cost, smart composite laminate is developed. Embedded strain sensory inside composite laminate prototype survived after laminate curing process. The internal strain reading from embedded strain sensor under three-point-bending test standard is comparable. It proves that our proposed method will provide another SHM alternative to reduce sensing costs during the renewable green energy generation.

Item Type:Conference contribution (Paper)
Keywords:3D-woven Composite, SHM Network
Faculties and Schools:Faculty of Computing & Engineering
Faculty of Computing & Engineering > School of Engineering
Research Institutes and Groups:Engineering Research Institute
Engineering Research Institute > Nanotechnology & Integrated BioEngineering Centre (NIBEC)
Engineering Research Institute > Engineering Composites
ID Code:39292
Deposited By: Dr Edward Archer
Deposited On:10 Apr 2018 15:53
Last Modified:12 Apr 2018 15:15

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