Abstract
A high intensity D-T fusion neutron generator (HINEG) is keenly needed for the research and development (R&D) of nuclear technology and safety of the advanced nuclear energy system, especially for the radiation protection and shielding. The R&D of HINEG includes two phases: HINEG-I and HINEG-II. HINEG-I is designed to have both the steady beam and pulsed beam. The neutron yield of the steady beam is up to 1012 n/s. The width of pulse neutron beam is less than 1.5 ns. HINEG-I is used for the basic neutronics study, such as measurement of nuclear data, validation of neutronics methods and software, validation of radiation protection and so on. HINEG-II aims to generate a high neutron yield of 1013 n/s neutrons by adopting high speed rotating tritium target system integrated with jet/spray array enhanced cooling techniques, and can further upgrade to obtain neutron yield of 1014~1015n/s by using of accelerators-array in a later stage. HINEG-II can be used for fundamentals research of nuclear technology including mechanism of materials radiation damage and neutronics performance of components, radiation shielding as well as other nuclear technology applications.
Highlights
Fusion energy becomes essential to solve the energy problem with the increase of energy demands
The recent studies of fusion energy have demonstrated the feasibility of fusion power, it commonly realizes that more hard work is needed on neutronics and safety before real application of fusion energy, especially on radiation protection and radiation biological effect of fusion neutron [1]
High Intensity fusion Neutron Generator (HINEG)-I will focus on the basic research of neutronics, including nuclear data measurement, verification and validation (V&V) of the methods and code, etc
Summary
Fusion energy becomes essential to solve the energy problem with the increase of energy demands. The recent studies of fusion energy have demonstrated the feasibility of fusion power, it commonly realizes that more hard work is needed on neutronics and safety before real application of fusion energy, especially on radiation protection and radiation biological effect of fusion neutron [1]. The intensity of D-T neutron generators currently on operation around the world is lower than 1013n/s, which is severely restricting the research capability. The Institute of Nuclear Energy Safety Technology (INEST), Chinese Academy of Sciences (CAS)/ has launched the High Intensity fusion Neutron Generator (HINEG) project to develop an accelerator-based D-T fusion neutron generator with the neutron yield higher than 1014~15 n/s. HINEG project is divided into two stages. A D-T fusion neutron generator with both steady and pulse neutrons (HINEG-I) will be developed. A high intensity D-T fusion neutron generator will be developed. The design and progress of HINEG will be described
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