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Fast Power Excursions in Pebble-Bed Reactors—Methods and Results

K. Friedrich, E. Inführ, U. Weicht

Nuclear Science and Engineering / Volume 66 / Number 3 / June 1978 / Pages 415-421

Technical Note / dx.doi.org/10.13182/NSE78-A27223

The DYN and COSTANZA program systems for kinetics analysis are compared using sample calculations for pebble-bed high-temperature reactors. The DYN point kinetics method appears to be successful even where reactivity changes exceed β.