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Burnup verification measurements at a US nuclear utility using the FORK measurement system

Conference ·
OSTI ID:10181993
 [1];  [2];  [3]
  1. Sandia National Labs., Albuquerque, NM (United States)
  2. Los Alamos National Lab., NM (United States)
  3. Duke Power Co., Charlotte, NC (United States)
+ Show Author Affiliations

The FORK measurement system, designed at Los Alamos National Laboratory (LANL) for the International Atomic Energy Agency (IAEA) safeguards program, has been used to examine spent reactor fuel assemblies at Duke Power Company`s Oconee Nuclear Station. The FORK system measures the passive neutron and gamma-ray emission from spent fuel assemblies while in the storage pool. These measurements can be correlated with burnup and cooling time, and can be used to verify the reactor site records. Verification measurements may be used to help ensure nuclear criticality safety when burnup credit is applied to spent fuel transport and storage systems. By taking into account the reduced reactivity of spent fuel due to its burnup in the reactor, burnup credit results in more efficient and economic transport and storage. The objectives of these tests are to demonstrate the applicability of the FORK system to verify reactor records and to develop optimal procedures compatible with utility operations. The test program is a cooperative effort supported by Sandia National Laboratories, the Electric Power Research Institute (EPRI), Los Alamos National Laboratory, and the Duke Power Company.

Research Organization:
Sandia National Labs., Albuquerque, NM (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States); Electric Power Research Inst., Palo Alto, CA (United States)
DOE Contract Number:
AC04-76DP00789
OSTI ID:
10181993
Report Number(s):
SAND--93-0293C; CONF-930749--66; ON: DE93019423
Country of Publication:
United States
Language:
English

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Related Subjects

050900
054000
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210200
BURNUP
CRITICALITY
GAMMA FUEL SCANNING
GAMMA RADIATION
HEALTH AND SAFETY
MEASURING METHODS
OCONEE-1 REACTOR
OCONEE-2 REACTOR
OCONEE-3 REACTOR
POWER REACTORS
NONBREEDING
LIGHT-WATER MODERATED
NONBOILING WATER COOLED
RADIOACTIVE WASTE STORAGE
SAFETY
SPENT FUELS
TRANSPORT, HANDLING, AND STORAGE
WASTE TRANSPORTATION