Process Monitoring and Industrial InstrumentsProcess Monitoring and Industrial Instruments ›  Nuclear Power InstrumentsNuclear Power Instruments ›  Nuclear Reactor InstrumentationNuclear Reactor Instrumentation › Fuel Burn-Up Measurement System
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ThermoScientific
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Fuel Burn-Up Measurement System

The Thermo Scientific* Fuel Burn-Up Measurement System is designed to measure the burn-up of PBMR fuel spheres by means of spectroscopic evaluation.
Optimized design maximizes system performance in order to measure burn-up of fuel elements having lifetime heavy metal utilization.
 
 
 
 
 
System is designed specifically to measure the burn-up of fuel spheres in a “pebble bed” high-temperature gas-cooled reactor. An integral part of fuel-handling and storage system operations, it uses a germanium detector along with proven proprietary spectral analysis signal processing to determine the Cesium-137 gamma peak.

  • Classifies spheres as graphite, used fuel or spent fuel
  • Comprised of three major components: High-purity germanium (HPGe) detector assembly with positioning table and cryogenic refrigeration system; digital signal processor(DSP)-based burn-up analysis system; photon collimator
  • Analyses performed: Graphite/fuel discrimination, discrimination between low burn-up and high burn-up fuel, categorization of higher burn-up fuels as either used fuel or spent fuel

 
 
 
 
 
 
 
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