US RERTR program, its fuel-development activities, and application in the KUHFR

The goals, structure, and accomplishments to date of the Reduced Enrichment Research and Test Reactor (RERTR) Program are described in detail. Plans and schedules for future program activities are outlined with the effect which these activities may potentially have on the research-reactor community. The fuel-development activities of the program are discussed in detail, with particular emphasis on the new low-enrichment, high-uranium-density fuels which the RERTR Program is developing for application in research reactors in the near future. The results of a joint study program between the RERTR Program and the Kyoto University Research Reactor Institute (KURRI), aimed at converting the Kyoto University High-Flux Reactor (KUHFR) to the use of reduced-enrichment uranium, are presented. It is shown that the study has resulted in a positive decision and in a cooperative, well-structured plan for the KUHFR conversion