Solid-state track recorder neutron dosimetry in light water reactor pressure vessel surveillance mockups
Solid-State Track Recorder (SSTR) measurements of neutron-induced fission rates have been made in several pressure vessel mockup facilities as part of the US Nuclear Regulatory Commission's (NRC) Light Water Reactor Pressure Vessel Surveillance Dosimetry Improvement Program (LWR-PV-SDIP). The results of extensive physics-dosimetry measurements made at the Pool Critical Assembly (PCA) at Oak Ridge National Laboratory (ORNL) in Oak Ridge, TN are summarized. Included are /sup 235/U, /sup 238/U, /sup 237/Np and /sup 232/Th fission rates in the PCA 12/13, 8/7, and 4/12 SSC configurations. Additional low power measurements have been made in an engineering mockup at the VENUS critical assembly at CEN-SCK, Mol, Belgium. /sup 237/Np and /sup 238/U fission rates were made at selected locations in the VENUS mockup, which models the in-core and near-core regions of a pressurized water reactor (PWR). Absolute core power measurements were made at VENUS by exposing solid-state track recorders (SSTRs) to polished fuel pellets within in-core fuel pins. 8 references, 4 figures, 10 tables.
- Research Organization:
- Hanford Engineering Development Lab., Richland, WA (USA)
- DOE Contract Number:
- AC06-76FF02170
- OSTI ID:
- 6280381
- Report Number(s):
- HEDL-SA-3098-FP; CONF-840902-14; ON: DE85001060
- Country of Publication:
- United States
- Language:
- English
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46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
CONTAINERS
DIELECTRIC TRACK DETECTORS
DOSIMETRY
ENRICHED URANIUM REACTORS
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
EXPERIMENTAL REACTORS
FISSION FRAGMENTS
FISSION PRODUCTS
HEAVY NUCLEI
HEAVY WATER COOLED REACTORS
HEAVY WATER MODERATED REACTORS
IN CORE INSTRUMENTS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KINETICS
MATERIALS
MEASURING INSTRUMENTS
MINUTES LIVING RADIOISOTOPES
NEPTUNIUM 237
NEPTUNIUM ISOTOPES
NEUTRON DOSIMETRY
NUCLEAR FRAGMENTS
NUCLEI
ODD-EVEN NUCLEI
ORNL-PCA REACTOR
PHYSICAL RADIATION EFFECTS
PRESSURE VESSELS
PWR TYPE REACTORS
RADIATION DETECTORS
RADIATION EFFECTS
RADIOACTIVE MATERIALS
RADIOISOTOPES
REACTION KINETICS
REACTOR COMPONENTS
REACTOR CORES
REACTOR INSTRUMENTATION
REACTORS
RESEARCH AND TEST REACTORS
SIMULATION
TANK TYPE REACTORS
THERMAL REACTORS
THORIUM 232
THORIUM ISOTOPES
URANIUM 235
URANIUM 238
URANIUM ISOTOPES
VENUS REACTOR
WATER COOLED REACTORS
WATER MODERATED REACTORS
YEARS LIVING RADIOISOTOPES
ZERO POWER REACTORS