Abstract
The influence of the radial neutron reflector efficiency on the power of the prospective fast reactor operating in the self-sustained nuclear-burning-wave mode has been studied by means of numerically solving the neutron multigroup diffusion equation together with the set of the fuel burnup equations in the 2D cylindrical reactor geometry. Calculations have been performed for the time evolution of the spatial-energy distributions of the neutron flux and fuel components of U–Pu cycle during the reactor campaign. It has been shown that by changing the radial reflector efficiency (thickness) it is possible to change the reactor power in a wide enough range, up to the reactor shut down without intervening in its core. A principle possibility of the power control for the reactor working in the nuclear-burning-wave mode by changing the radial reflector efficiency is discussed.
Published Version
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