Measurement of the gamma dose rate distribution in a spent fuel assembly with a thermoluminescent detector
Journal Article
·
· Nucl. Technol.; (United States)
OSTI ID:5335615
Thermoluminescent detectors (TLDs) were applied to measurements of gamma dose rates and their distributions in spent fuel assemblies irradiated in a boiling water reactor, the Japan Power Demonstration Reactor (JPDR). Materials used for the TLD were Mg/sub 2/SiO/sub 4/:Tb and LiF. Feasibility of the technique was confirmed by an on-site measurement in a spent fuel pond of the JPDR. The highest gamma dose rate calibrated to a /sup 60/Co gamma field was 4 x 10/sup 3/ R/h in the measured positions in a spent fuel assembly, with an average burnup of 5639 MWd/MTM and a cooling time of 8 yr. Reliability of the measurement by means of a TLD was tested via duplicate measurements on a fuel assembly. In the fields of nuclear safeguards and fuel management, application of TLDs will be effective in obtaining inside information of a spent fuel assembly nondestructively.
- Research Organization:
- Japan Atomic Energy Research Inst., Tokai Ibaraki, Japan
- OSTI ID:
- 5335615
- Journal Information:
- Nucl. Technol.; (United States), Journal Name: Nucl. Technol.; (United States) Vol. 47:3; ISSN NUTYB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210100* -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
BURNUP
BWR TYPE REACTORS
CHEMICAL ANALYSIS
DOSEMETERS
ENRICHED URANIUM REACTORS
EXPERIMENTAL REACTORS
FUEL ELEMENTS
FUEL SCANNING
GAMMA FUEL SCANNING
GAMMA RADIOGRAPHY
INDUSTRIAL RADIOGRAPHY
JPDR REACTOR
LUMINESCENT DOSEMETERS
MATERIALS TESTING
MEASURING INSTRUMENTS
NONDESTRUCTIVE ANALYSIS
NONDESTRUCTIVE TESTING
PERFORMANCE
POWER REACTORS
REACTOR COMPONENTS
REACTORS
RELIABILITY
RESEARCH AND TEST REACTORS
SPENT FUEL ELEMENTS
TESTING
THERMAL REACTORS
THERMOLUMINESCENT DOSEMETERS
WATER COOLED REACTORS
WATER MODERATED REACTORS
210100* -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
BURNUP
BWR TYPE REACTORS
CHEMICAL ANALYSIS
DOSEMETERS
ENRICHED URANIUM REACTORS
EXPERIMENTAL REACTORS
FUEL ELEMENTS
FUEL SCANNING
GAMMA FUEL SCANNING
GAMMA RADIOGRAPHY
INDUSTRIAL RADIOGRAPHY
JPDR REACTOR
LUMINESCENT DOSEMETERS
MATERIALS TESTING
MEASURING INSTRUMENTS
NONDESTRUCTIVE ANALYSIS
NONDESTRUCTIVE TESTING
PERFORMANCE
POWER REACTORS
REACTOR COMPONENTS
REACTORS
RELIABILITY
RESEARCH AND TEST REACTORS
SPENT FUEL ELEMENTS
TESTING
THERMAL REACTORS
THERMOLUMINESCENT DOSEMETERS
WATER COOLED REACTORS
WATER MODERATED REACTORS