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Neutron Flux
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Flux Distribution in Reactor Cores
In a critical nuclear reactor, the spatial distribution of the neutron flux is governed by the reactor geometry, the arrangement of fuel and moderator, and the boundary conditions (neutron leakage). The flux profile within the core is a solution to the steady-state diffusion equation, often simplified for large, homogeneous cores using the one-group diffusion model:
$$\nab…