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23 May 2023 Refractory lining health monitoring based on Raman optical time domain reflectometry
Magnus Lindblom, Maximilian Patzauer, Kenny Hey Tow, Åsa Claesson, Oscar Fogelberg, Toste Jonsäter, Mattias Warne
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Proceedings Volume 12643, European Workshop on Optical Fibre Sensors (EWOFS 2023); 1264327 (2023) https://doi.org/10.1117/12.2679296
Event: European Workshop on Optical Fibre Sensors (EWOFS 2023), 2023, Mons, Belgium
Abstract
A fiber optic health-monitoring system for refractory lining in steel-making processes is presented. Its applicability as an early-warning system for lining damage is demonstrated by the results obtained in a field trial, in which 240 m of fiber was embedded in the lining of an electric arc furnace. The system is based on Raman distributed sensing and polyimide coated fibers in metal tube. The results presented from temperature cycling and calibration at temperatures up to 600 °C show that adequate accuracy and stability for the application can be attained.
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Magnus Lindblom, Maximilian Patzauer, Kenny Hey Tow, Åsa Claesson, Oscar Fogelberg, Toste Jonsäter, and Mattias Warne "Refractory lining health monitoring based on Raman optical time domain reflectometry", Proc. SPIE 12643, European Workshop on Optical Fibre Sensors (EWOFS 2023), 1264327 (23 May 2023); https://doi.org/10.1117/12.2679296
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KEYWORDS
Temperature metrology
Metals
Optical sensing
Fiber coatings
Fiber optics sensors
Fiber optics
Temperature distribution
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