THERMAL AND RESONANCE FISSION-PRODUCT POISONING FOR U$sup 235$ SYSTEMS
Technical Report
·
OSTI ID:4831546
A generalized analysis is presented of fission-product poisoning. The analysis generates values for thermal, resonance, and total fission-product poisoning as a function of the energy cutoff of the thermal group, Ec; the energy cutoff of the resonance group, E'c; moderator temperature, T; special index, beta gamma = SIGMA /sub a/(kT)& SIGMA s; and fractional fuel depletion, beta . The results are presented in terms of a fission-product 2200 m/sec absorption cross section and fission-product resonance integral. It is thus possible to predict correctly the thermal, resonance, and total fissionproduct poisoning, throughout core life, in a form convenient for integration with any arbitrary few- group depletion scheme. (auth)
- Research Organization:
- Knolls Atomic Power Lab., Schenectady, N.Y.
- DOE Contract Number:
- W-31-109-ENG-52
- NSA Number:
- NSA-16-003609
- OSTI ID:
- 4831546
- Report Number(s):
- KAPL-2172
- Country of Publication:
- United States
- Language:
- English
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