Argonne National Laboratory
Reduced Enrichment for Research and Test Reactors
Nuclear Science and Engineering Division at Argonne
U.S. Department of Energy

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Abstracts and Available Papers Presented at the
2004 International RERTR Meeting

Reduced Enrichment Program for the FRM-II, Status 2004

Röhrmoser, W. Petry, K. Böning, N.Wieschalla
Zentrale Wissenschaftliche Einrichtung FRM-II,
Technische Universität München, D-85747 Garching bei München, Germany


The new research reactor FRM-II of the Technische Universität München (TUM) has been designed to provide a maximal thermal neutron flux at mere 20 MW power. The single element design uses silicide fuel of densities 3.0 and 1.5 g/cm3 of highly enriched uranium (HEU, 93 % U-235). With the nuclear license, that was granted in May 2003, a condition was imposed to reduce the enrichment of FRM-II to medium enriched uranium (MEU) with not more than 50 % U-235 until the end of the year 2010. The TUM has established an international working group to meet this target. This paper presents the backgrounds and the results and plannings for the first of three 2½ year periods to reach the conversion in time.

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Dr. Jordi Roglans-Ribas
Technical Director, RERTR Department
Nuclear Engineering Division – 362
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Last modified on July 29, 2008 11:32 +0200