Optimization Study of the IBR-2 Reactor

The article considers the neutronics aspect of the IBR-2 reactor optimization: whether it is possible in theory to create an IBR-2-type reactor with a neutron flux in beams above the existing 0.5 × 10 13 n/(cm 2 s). The calculations have shown that the thermal neutron flux theoretically can be incre...

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Published in:Physics of atomic nuclei 2019-12, Vol.82 (8), p.1162-1174
Main Authors: Ananiev, V. D., Pepelyshev, Yu. N., Rogov, A. D.
Format: Article
Language:English
Subjects:
Neutron flux
Nuclear fuels
Optimization
Particle and Nuclear Physics
Physics
Physics and Astronomy
Reactor design
Thermal neutrons
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description The article considers the neutronics aspect of the IBR-2 reactor optimization: whether it is possible in theory to create an IBR-2-type reactor with a neutron flux in beams above the existing 0.5 × 10 13 n/(cm 2 s). The calculations have shown that the thermal neutron flux theoretically can be increased to (2.0−2.5) × 10 13 n/(cm 2 s), but only with a complete change in the reactor design: reducing the core volume, replacing the fuel type with a denser one, and changing the beam extraction system from radial to tangential. The technical implementation of these requirements is currently a challenge.
doi_str_mv 10.1134/S1063778819080039
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subjects Neutron flux
Nuclear fuels
Optimization
Particle and Nuclear Physics
Physics
Physics and Astronomy
Reactor design
Thermal neutrons
title Optimization Study of the IBR-2 Reactor
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