Abstract

An electronuclear system consisting of an electron accelerator, a neutron-producing target, and dual-zone subcritical blanket with fast and thermal neutron spectra is proposed. Some general mechanisms of cascade multiplication of neutrons in a dual-zone subcritical blanket are examined. The results of calculations of the electron-photon-neutron interactions of an electron beam with the target material and of the neutron-physical and heat-engineering characteristics of the system are presented. It is shown that a cascade neutron amplification factor of 2.5–3 can be obtained with system subcriticality 2%. The power of the system reaches 50 MW with electron beam power 4 MW.

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