Abstracts and Available Papers Presented at the
1998 International RERTR Meeting
PERFORMANCE TEST OF JRR-4 LEU CORE
Hideki NAGADOMI Shukichi WATANABE, Yoshirou FUNAYAMA,
Teruo NAKAJIMA, Keisuke KAIEDA
Japan Atomic Energy Research Institute
2-4, Tokai-mura, Naka-gun, Ibaraki-ken 319-1195 JAPAN
ABSTRACT
JRR-4 had been operated using HEU (93% enriched uranium) fuels since 1965. JRR-4 had consumed all HEU fuels and finished operation using them in January 1996. And JRR-4 modification works had started. The modification works, which were about fuel conversion, installation of a medical irradiation facility, repairing of the building and so on, had successfully completed in June 1998. JRR-4 achieved the first criticality using LEU (20% enriched uranium) fuel on July 141h, 1998 and begun performance tests. The result of performance test was fine and able to get a number of data. This paper presents the modification works and outline of performance tests.
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Contact:
Hideki Nagadomi
Japan Atomic Energy Research Institute
2-4, Tokai-mura, Naka-gun, Ibaraki-ken 319-1195
Japan
Phone: 81-29-282-5643
Fax: 81-29-282-5636
Email: nagatomi@popsvr.tokai.jaeri.go.jp
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