Operational monitoring in German nuclear power plants

Optical-fiber-based sensors have inherent advantages, such as immunity to electromagnetic interference, compared to the conventional sensors. Distributed optical fiber sensor (DOFS) systems, such as Raman and Brillouin distributed temperature sensors are used for leak detection. The inherent noise of fiber-based systems leads to occasional false alarms. In this paper, a methodology is proposed to overcome this. This uses a looped back fiber mode in DOFS and voting logic is employed to considerably reduce the false alarm rate.

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Looped back fiber mode for reduction of false alarm in leak detection using distributed optical fiber sensor

Chelliah

Murgesan

Samvel

et al. 2010

Appl. Opt.

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Operational monitoring in German nuclear power plants

Cited by 1 publication

References 5 publications

Looped back fiber mode for reduction of false alarm in leak detection using distributed optical fiber sensor

Looped back fiber mode for reduction of false alarm in leak detection using distributed optical fiber sensor

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