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Nagaoka, Yoshiharu; Komukai, Bunsaku; Sakurai, Fumio; Saito, Minoru; Futamura, Yoshiaki
Japan Atomic Energy Research Inst., Tokyo (Japan)1992
Japan Atomic Energy Research Inst., Tokyo (Japan)1992
AbstractAbstract
[en] The core conversion from MEU aluminide fuel to LEU silicide fuel of the JMTR, a 50 MW light water moderated and cooled tank type reactor using ETR-type fuel, is scheduled in 1993. As a part of the safety analyses for the JMTR LEU core, reactivity initiated accident analysis was carried out. The following four cases for the anticipated operational transients and one case for the accidents have been selected for the assessment. (1) anticipated operational transients: 1) control rod withdrawal from zero power, 2) control rod withdrawal from full power, 3) reactivity insertion by removal of irradiation samples, 4) reactivity insertion by cold insertion. (2) accident: 1) reactivity insertion by failure of irradiation devices. All analyses have been made by a computer code EUREKA-2. The results show to meet the established safety criteria for the JMTR LEU core. (author)
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Jul 1992; 74 p
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Report
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ACCIDENTS, ACTINIDE COMPOUNDS, ACTINIDES, COMPUTER CODES, ELEMENTS, ENERGY SOURCES, ENRICHED URANIUM, ENRICHED URANIUM REACTORS, FUELS, IRRADIATION REACTORS, ISOTOPE ENRICHED MATERIALS, MATERIALS, MATERIALS TESTING REACTORS, METALS, REACTOR ACCIDENTS, REACTOR COMPONENTS, REACTOR MATERIALS, REACTORS, RESEARCH AND TEST REACTORS, RESEARCH REACTORS, SAFETY, SILICIDES, SILICON COMPOUNDS, TANK TYPE REACTORS, TEST FACILITIES, TEST REACTORS, URANIUM, URANIUM COMPOUNDS, WATER COOLED REACTORS, WATER MODERATED REACTORS
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