Data summary report for fission product release test HI-3
Technical Report
·
OSTI ID:6837266
The third in a series of high-temperature fission product release tests was conducted for 20 min at 2000/sup 0/C in flowing steam. The test specimen, a 20-cm-long section of H.B. Robinson fuel rod that had been irradiated to approx. 25,200 MWd/t, was heated in an induction furnace in a hot cell. Posttest examination showed that the Zircaloy cladding had melted, causing extensive disintegration of the UO/sub 2/ fuel and formation of molten phases that appeared to be rich in uranium. Analyses of test components revealed very high fractional releases of /sup 85/Kr (59.0%), /sup 137/Cs (58.8%), and /sup 129/I (35.4%). The releases of /sup 125/Sb and /sup 110m/Ag, however, were much less than those observed in test HI-2 at 1700/sup 0/C, perhaps as a result of lower steam flow rate in test HI-3. The extent of aerosol formation, as evidenced by mass of material collected on filters, was similar in the two tests.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 6837266
- Report Number(s):
- NUREG/CR-3335; ORNL/TM-8793; ON: DE84010352
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
220300* -- Nuclear Reactor Technology-- Fuel Elements
ALKALI METAL ISOTOPES
ALLOYS
ANTIMONY 125
ANTIMONY ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CESIUM 137
CESIUM ISOTOPES
DAYS LIVING RADIOISOTOPES
ENRICHED URANIUM REACTORS
EVEN-ODD NUCLEI
FISSION PRODUCT RELEASE
FUEL ELEMENTS
HEATING
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IODINE 129
IODINE ISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KRYPTON 85
KRYPTON ISOTOPES
NUCLEI
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
POWER REACTORS
PWR TYPE REACTORS
RADIOISOTOPES
REACTOR COMPONENTS
REACTORS
ROBINSON-2 REACTOR
SECONDS LIVING RADIOISOTOPES
SILVER 110
SILVER ISOTOPES
SPENT FUEL ELEMENTS
STEAM
TIN ALLOYS
VERY HIGH TEMPERATURE
WATER COOLED REACTORS
WATER MODERATED REACTORS
YEARS LIVING RADIOISOTOPES
ZIRCALOY
ZIRCONIUM ALLOYS
ZIRCONIUM BASE ALLOYS
220300* -- Nuclear Reactor Technology-- Fuel Elements
ALKALI METAL ISOTOPES
ALLOYS
ANTIMONY 125
ANTIMONY ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CESIUM 137
CESIUM ISOTOPES
DAYS LIVING RADIOISOTOPES
ENRICHED URANIUM REACTORS
EVEN-ODD NUCLEI
FISSION PRODUCT RELEASE
FUEL ELEMENTS
HEATING
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IODINE 129
IODINE ISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KRYPTON 85
KRYPTON ISOTOPES
NUCLEI
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
POWER REACTORS
PWR TYPE REACTORS
RADIOISOTOPES
REACTOR COMPONENTS
REACTORS
ROBINSON-2 REACTOR
SECONDS LIVING RADIOISOTOPES
SILVER 110
SILVER ISOTOPES
SPENT FUEL ELEMENTS
STEAM
TIN ALLOYS
VERY HIGH TEMPERATURE
WATER COOLED REACTORS
WATER MODERATED REACTORS
YEARS LIVING RADIOISOTOPES
ZIRCALOY
ZIRCONIUM ALLOYS
ZIRCONIUM BASE ALLOYS