CHEMISTRY OF DEFECT TEST ON HIGHLY RATED SINTERED UO$sub 2$ FUEL. Test X-2-q
Technical Report
·
OSTI ID:4227392
A highly rated (Sk.d0 = 48 W/cm) sintered UO{sub 2} specimen, 0.8 in. O.D., with a 0.010-in. diameter hole through the Zircaloy sheath, was irradiated in the X-2 loop in the NRX reactor for approximately 16 days. For this irradiation period the escape-rate coefficients calculated for the fission products Kr-88, Cs-138, I-135, I-133 and I-131 were similar to those found in previous defect tests on UO{sub 2} fuel operated at considerably lower heat ratings. The test was terminated due to high activity in the loop water which occurred during a reactor trip-startup cycle. Post-irradiation examination of the defected fuel element indicated no reason for the activity surge. (auth)
- Research Organization:
- Atomic Energy of Canada Ltd., Chalk River, Ontario (Canada)
- NSA Number:
- NSA-14-003724
- OSTI ID:
- 4227392
- Report Number(s):
- EXP-NRX-1806; AECL-906
- Country of Publication:
- Canada
- Language:
- English
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