DRAGON 2-D SIMULATION OF SPATIAL SELF-SHIELDING EFFECT IN SLOWPOKE-2 REACTOR
CNS 24th Nuclear Simulation Symposium - 2012 October 15-16


Presented at:
CNS 24th Nuclear Simulation Symposium
2012 October 15-16
Location:
Ottawa,Canada
Session Title:
Technical 5: Reactor Physics

Authors:
Haykel Raouafi (École Polytechnique de Montréal)
Guy Marleau (École Polytechnique de Montréal)
  

Abstract

Thermal and epithermal neutron spatial self-shielding plays an important role in neutron activation experiments, neutron radiography, and reactor physics. Recently, an empirical equation was proposed to calculate the spatial self-shielding factors for neutron activation analysis for some regular geometry. Here, we use the DRAGON code to evaluate these factors for cylindrical samples irradiated in the SLOWPOKE-2 reactor. The DRAGON based self-shielding factors are then compared with the proposed empirical equation and corrections are proposed to increase the reliability of these equations.  

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