Decay heat tables for Mark 15 assemblies and fuel slugs
Ratios of the Mark 15 power generated by ..beta.. and ..gamma.. decay of fission products as a function of a cooling time, T/sub c/, and the fission power during an irradiation time, T/sub I/, are given in this report. These ratios have been generated by the ''ANS5.1 standard'' with correctin for photon. The irradiation time vary from 5-110 days. Power ratios in the form P/sub T//sub c/ (assembly)/P/sub T/sub I/ (assembly) are provided. Bations in the form P/sub T//sub c/ (tube)/P/sub T/sub I/ (assembly) where the fuel ''tube'' includes only the inner cladding, fueled core, and outer cladding of either the inner or outer tube are also given. The ..gamma.. energy redistribution, correction factor is slightly dependent on the cooling time because the spectrum of ..gamma.. sources changes with time after shutdown. The HMTABLE code, used to generate the decay power tables, can utilize only a constant correction factor. For the sake of conservatism, maximum values of the correction factor have been used for each situation. This practice generaters power ratios too large by between approx.2 and approx.7% in the short cooling time calculations, and between approx.3 and approx.10% in the long cooling calculations.
- Research Organization:
- Savannah River Lab., Aiken, SC (USA)
- DOE Contract Number:
- AC09-76SR00001
- OSTI ID:
- 5528734
- Report Number(s):
- DPST-82-663-Del.Ver.; ON: DE88005583
- Resource Relation:
- Other Information: Paper copy only, copy does not permit microfiche production
- Country of Publication:
- United States
- Language:
- English
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