Use of spectral conditions to separate strain and temperature effects in fibre Bragg grating sensors embedded in load-carrying anisotropic laminates
- This work presents a further development of the methods of simultaneous determination of temperature and axial strain using a single fibre Bragg grating (FBG). The reflected spectrum of composite-embedded FBG sensors has been analyzed in order to separate temperature and load effects. We found out that during the curing process of the laminates, a superstructure has been introduced on the FBG. Analyzing this effect, a temperature and strain separation was implemented by simply calculating and comparing the integrated intensity of the spectral response signal. A mathematical four-parametric model has been developed to calculate the reflected spectrum of a superstructured fibre Bragg grating. The mathematically achieved data has been evaluated with experimentally determined data from fibre Bragg gratings embedded in glass-fibre reinforced composite materials.
Autor*innen: | Vivien Schukar, Eugen Baitinger, Nadine Kusche, F. Steinke, Wolfgang Habel |
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Dokumenttyp: | Zeitschriftenartikel |
Veröffentlichungsform: | Verlagsliteratur |
Sprache: | Englisch |
Titel des übergeordneten Werkes (Englisch): | Experimental mechanics |
Jahr der Erstveröffentlichung: | 2013 |
Verlag: | Springer |
Verlagsort: | Norwell, Mass. |
Jahrgang/Band: | 54 |
Ausgabe/Heft: | 3 |
Erste Seite: | 421 |
Letzte Seite: | 429 |
Freie Schlagwörter: | Fibre Bragg grating; Four-parametric; Patch; Strain; Superstructure; Temperature; model |
DOI: | 10.1007/s11340-013-9773-y |
ISSN: | 0014-4851 |
ISSN: | 1741-2765 |
Verfügbarkeit des Dokuments: | Datei im Netzwerk der BAM verfügbar ("Closed Access") |
Datum der Freischaltung: | 20.02.2016 |
Referierte Publikation: | Ja |
Datum der Eintragung als referierte Publikation: | 07.11.2013 |