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

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Abstracts and Available Papers Presented at the
2002 International RERTR Meeting


Carlos Henríquez, Gustavo Navarro, Claudio Pereda, Hugo Torres, Luis Peña, Juan Klein, Domingo Calderón

Unidad de Reactores, Reactor La Reina (RECH-1), Comisión Chilena de Energía Nuclear, Amunategui 95, Casilla 188-D, Santiago de Chile.

Abraham J. Kestelman

Laboratorio de Análisis por Activación Neutrónica, Centro Atómico Bariloche e Instituto Balseiro. 8400 Bariloche – Argentina


The Chilean Nuclear Energy Commission has decided to produce LEU fuel elements for the RECH-1 research reactor. During December 1998, the Fuel Fabrication Plant delivered the first four fuel elements, called leaders, to the RECH-1 reactor. The set was introduced into the reactor’s core, following the normal routine, but performing a special follow-up on their behavior inside and outside the core. In order to measure the burn-up of the leader fuel elements, it was decided to develop a burn-up measurements system to be installed into the RECH-1 reactor pool, and to decline the use of a similar system, which operates in a hot cell. The main reason to build this facility was to have the capability to measure the burn-up of fuel elements without waiting for long decay period. This paper gives a brief description of the facility to measure the burn-up of spent fuel elements installed into the reactor pool, showing the preliminary obtained spectra and briefly discussing them.

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Dr. Carlos Henriquez

Comisión Chilena de Energía Nuclear
Amunátegui 95, Casilla 188-D
Santiago, Chile
Phone: (56 2) 3646 154
Fax: (56 2) 3646 277

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Last modified on July 29, 2008 11:34 +0200