KINETIC EXPERIMENTS ON WATER BOILERS-"A" CORE REPORT. PART III-PILE OSCILLATOR RESULTS | Zendy

R.N. Cordy | Zendy

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KINETIC EXPERIMENTS ON WATER BOILERS-"A" CORE REPORT. PART III-PILE OSCILLATOR RESULTS

Author(s) -

R.N. Cordy

Publication year - 1960

Language(s) - English

Resource type - Reports

DOI - 10.2172/4096375

Subject(s) - nuclear engineering , neutron , delayed neutron , boiler (water heating) , physics , nuclear physics , neutron temperature , thermodynamics , engineering

A brief review of the theoretical water-boiler reactor-power transfer function is presented as background for the experimental determination of the ratio of effective prompt neutron lifetime to the effective fraction of delayed neutrons, 1/beta. The preparation and performance ot the experiment are discussed with special emphasis on equipment procedures, and measurement errors. The results, which strongly support a seven-delay-group model of the reactor, are presented and compared with theoretical six-and seven-group models. The experiment indicates qualitative values of the seventh-group constants, and it also indicates an 1/beta = 7.7 plus or minus 0.3 msec valid for all but short- period transients. (auth

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