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
2003 International RERTR Meeting


F.J. Wijtsma

NRG, Westerduinweg 3, 1755 ZG  PETTEN - The Netherlands


In 1999 the HFR license holder (JRC, Petten, the Netherlands) initiated a project to study the conversion of the HFR from HEU to LEU. The first phase of this project consisted of a parametric study to determine the optimum fuel element and control rod design within given boundary conditions such as geometry, density, performance and cycle length. Results of this study are a 22 plates fuel element (550 g 235U)at a density of 4.8 and a 17 plates control rod  (440 g 235U). The second phase contains all aspects related to the conversion including a full-scale test irradiation of a prototype LEU element. The actual conversion of the HFR requires a new license. For this reason the relicensing project has started in 2001. In this context many studies have been performed e.g. Risk Scoping Study, Safety Analyses, TOPA evaluation. The license application will be based on a new Safety Report and an Environmental Impact Statement and will be submitted to the competent Authorities at the end of October 2003.

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Mr. Fred J. Wijtsma
Nuclear Research and consultancy Group
P.O. Box 25
1755 ZG Petten
The Netherlands
Phone:  +31 (2) 2456-5813
Fax:      +31 (2) 2456-5999
E-mail:  [email protected]

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Last modified on July 29, 2008 11:33 +0200