POWER FLATTENING IN OMR CORES
Technical Report
·
OSTI ID:4096383
Methods of improving the nuclear and thermal performance of a power reactor by flattening the radial power reactor by flattening the radial power distribution throughout core life are examined and partially evaluated. The methods consist of varying the intial fuel enrichment and/or initial moderator to fuel ratio in various parts of the core to decrease the peak-to-average radial power ratio. The analysis was performed on a cylindrical organic-moderated and - cooled reactor, fueled with slightly enriched uranium alloy plates clad in aluminum. The study was directed toward methods of flattening the radial power distribution by radial variation in fuel enrichment or moderator to the fuel ratio. The effect of burn-up and control rods on the improved power distribution was examined. the burn-up study was limited to a batch type analysis;i.e., it was assumed that no fuel rotation would take place during the lifetime of the initial core. (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-15-010381
- OSTI ID:
- 4096383
- Report Number(s):
- NAA-SR-5251
- Country of Publication:
- United States
- Language:
- English
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