Future Instrumentation and coNtrol based on innovative methods and Disruptive te...
Future Instrumentation and coNtrol based on innovative methods and Disruptive technologies for higher safety level
The Long-Term Operation of Nuclear Power Plants (NPPs) calls for innovative methods to monitor the ageing of safety systems. New instrumentation will also lead to improve decision-making in accidental conditions thanks to addition...
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Información proyecto FIND
Duración del proyecto: 47 meses
Fecha Inicio: 2024-10-01
Fecha Fin: 2028-09-30
Fecha límite de participación
Sin fecha límite de participación.
Descripción del proyecto
The Long-Term Operation of Nuclear Power Plants (NPPs) calls for innovative methods to monitor the ageing of safety systems. New instrumentation will also lead to improve decision-making in accidental conditions thanks to additional information, complementing the material and organisational modifications decided after the Fukushima accident.The project FIND aims first to adapt innovative technologies deployed in other industries to prevent the failure of metallic pipes. FIND will work on Structural Health Monitoring technologies (ultrasonic guided waves and acoustic emission) to detect defects in real time during plant operation, even in inaccessible locations. In addition, Digital Twins will be developed to better predict degradation phenomena, with combination of detailed mechanical models and real plant data (strain, temperature and vibration measurements). Tests in experimental and industrial conditions (including NPPs) will be performed, representative of the following phenomena: - Local corrosion and large deformations of raw service water pipes, - Stress corrosion cracking and fatigue on the primary circuit, - Flow accelerated corrosion on the turbine extraction line.Concerning accidental instrumentation, FIND will first develop systems to track water movements during a loss-of-coolant accident. This will include localisation of breach thanks to heated thermocouples and data science approaches. FIND will evaluate feasibility to monitor progression of severe accidents, thanks to analysis of fission products in containment, either by gamma ray spectroscopy or physicochemical analysis.Technologies developed in FIND are low intrusive and cost effective. They will help to anticipate maintenance, and will complete or replace some Non-Destructive Testing. This will result in higher availability of NPPs, lower operator dosimetry, and reduced costs, which will foster their adoption. FIND is led by IRSN, French public expert for nuclear risks and encompasse