Estudio experimental de la relación de Nordheim
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Comisión Nacional de Energía Atómica. Argentina
Resumen
Un método usual para medir la variación de reactividad al sacar un "veneno" de un reactor en estado crítico consiste en medir el período estable de crecimiento del flujo neutrónico y utilizar la relación de Nordheim. Por otra parte es posible en unn reactor subcrítico comparar una reactividad con otra midiendo los niveles de flujo neutrónico posteriormente a la introducción de dichas actividades. El objeto del presente trabajo es comparar los resultados obtenidos por ambos métodos.
A common method for measuring the change in reactivity when removing a "poison" from a critical state reactor is to measure the stable growth period of the neutron flux and use the Nordheim relation. On the other hand, it is possible in a subcritical reactor to compare one reactivity with another by measuring the levels of neutron flux after the introduction of said activities. The purpose of this paper is to compare the results obtained by both methods.
A common method for measuring the change in reactivity when removing a "poison" from a critical state reactor is to measure the stable growth period of the neutron flux and use the Nordheim relation. On the other hand, it is possible in a subcritical reactor to compare one reactivity with another by measuring the levels of neutron flux after the introduction of said activities. The purpose of this paper is to compare the results obtained by both methods.