GASEOUS FISSION PRODUCTS IN POPR COOLANT AFTER FUEL PIN CLADDING FAILURE
Technical Report
·
OSTI ID:4728222
Activities of all xenon and krypton fission products with half lives of 10 seconds or longer are calculated for a reactor which has operated for 300 days at a power of 160 Mwt. Concentration of fission products at the outlet of a failed fuel element and in adjacent fuel channels and coolant is plotted as a function of time after cladding failure. From this data a resolution curve, which gives the ratio of fission product concentration in a failed fuel channel to that of a normal channel, was drawn. A cladding failure which results in the release of 10% of the fission gases over a period of 10/sup 5/ seconds (approximately 28 hours) will cause a coolant buildup of 3.5 > 10/sup 6/ D.P.M. per c.c. in 24 hours. (DPM = Disintegration's per minute). (auth)
- Research Organization:
- Atomics International. Div. of North American Aviation, Inc., Canoga Park, Calif.
- DOE Contract Number:
- AT(11-1)-GEN-8
- NSA Number:
- NSA-17-015459
- OSTI ID:
- 4728222
- Report Number(s):
- NAA-SR-Memo-7512
- Country of Publication:
- United States
- Language:
- English
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