Heterogeneous Reactor Calculation Methods: Quarterly Progress Report No. 3 for October 1-December 31, 1959
- TRG, Inc., Syosset, NY (United States)
The digital computer code for heterogeneous reactor calculations was completed and debugged. HERESY is an IBM704 code for the calculation of reactivity and relative thermal neutron absorptions of representative rods within heterogeneous reactors. Three series of heterogeneous reactor physics calculations were carried out using HERESY 1. Significant results include: (a) the variation in reactivity and power pattern as a large array of rods is gradually built up from a smaller array; (b) a study of power flattening in spiked cores, in which the average-to-maximum power ratio is varied considerably as the distribution pattern of enriched rods within an array is changed; and (c) the sensitivity of the results obtained by self-consistent heterogeneous procedure is found to be only weakly dependent on errors in the kernels. (For preceding period see NYO-2674.)
- Research Organization:
- TRG, Inc., Syosset, NY (United States)
- Sponsoring Organization:
- US Atomic Energy Commission (AEC)
- NSA Number:
- NSA-14-010180
- OSTI ID:
- 4158815
- Report Number(s):
- NYO--2675; TRG--129-QTR-3
- Country of Publication:
- United States
- Language:
- English
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