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- 2010 (2)
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- Beitrag zu einem Sammelband (2) (entfernen)
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- Englisch (2)
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- 3D-image correlation (1)
- Calibration (1)
- Fibre optic sensors (1)
- Long-term stability (1)
- Materials behaviour (1)
- Reliability (1)
- Speckle-interferometry (1)
- Strain measurement (1)
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Reliable measurement results with fibre optic sensors require profound knowledge of physical mode of function, of materials used and appropriate application. There is often serious discrepancy between use in laboratory environment and on site. The paper identifies important aspects to be considered and shows ways to transfer innovations onto practical use.
A unique testing facility (KALFOS) using ESPI (electronic speckle pattern interferometery) as a referencing method has been realized for the characterisation of the strain transfer process from a component under load into surface applied fibre Bragg grating based strain sensors. The strain transfer mechanism can be described experimentally, while matching specific measurement requirements and environmental conditions.