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Preliminary Investigation of the 252Cfsource-Driven Noise Analysis Method of Subcriticality Measurement in LWR Fuel Storage and Initial Loading Applications

Conference · · Transactions of the American Nuclear Society
OSTI ID:6131364
 [1];  [1];  [1]
  1. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
+ Show Author Affiliations
The ability of the 252Cf-source-driven neutron noise analysis method to measure subcriticality has been demonstrated in a variety of experimental configurations of fissile materials. Calculations for an approximately 4-m-dia configuration of light water reactor (LWR) fuel elements indicated the feasibility of measuring the subcriticality of large, loosely coupled arrays of LWR fuel elements by this same method. This analysis suggested application to the initial loading of both pressurized and boiling water reactors, zero-power testing of reactors (such as shutdown margin measurements after initial loading), light water reactor refueling, and safe storage of LWR spent fuel. In the fuel storage application, direct measurement of subcriticality in the actual fuel storage facilities provides the parameter which is directly related to criticality safety.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP)
OSTI ID:
6131364
Report Number(s):
CONF-841105-
Conference Information:
Journal Name: Transactions of the American Nuclear Society Journal Volume: 47
Country of Publication:
United States
Language:
English

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Related Subjects

050900 -- Nuclear Fuels-- Transport
Handling
& Storage
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210100* -- Power Reactors
Nonbreeding
Light-Water Moderated
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210200 -- Power Reactors
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Light-Water Moderated
Nonboiling Water Cooled
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
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BWR TYPE REACTORS
CALIFORNIUM 252
CALIFORNIUM ISOTOPES
EPITHERMAL REACTORS
EVEN-EVEN NUCLEI
Experimental Configurations
FAST REACTORS
FFTF REACTOR
FISSILE MATERIALS
FISSIONABLE MATERIALS
FUEL ELEMENTS
FUEL PINS
HEAVY NUCLEI
ISOTOPES
LIQUID METAL COOLED REACTORS
Light Water Reactor (LWR)
MATERIALS
NATIONAL ORGANIZATIONS
NOISE
NUCLEI
Nuclear Criticality Safety Program (NCSP)
ORNL
PWR TYPE REACTORS
RADIOISOTOPES
REACTOR COMPONENTS
REACTOR FUELING
REACTORS
RESEARCH AND TEST REACTORS
RESEARCH REACTORS
SODIUM COOLED REACTORS
SPENT FUEL STORAGE
STORAGE
SUBCRITICALITY
Subcriticality Measuring
TEMPERATURE NOISE
TEST REACTORS
US AEC
US DOE
US ERDA
US ORGANIZATIONS
WATER COOLED REACTORS
WATER MODERATED REACTORS
YEARS LIVING RADIOISOTOPES