Abstract The neutronic response of consisting materials the Korean fusion DEMOnstration reactor (K-DEMO) in its neutron environment is a crucial consideration factor from conceptual design stage K-DEMO. Especially in-vessel components (IVCs) K-DEMO that are placed most extreme irradiation field, damage constituent major limiting determines lifetime IVCs. From analysis IVCs K-DEMO, wall loading ...

INTRODUCTION Since, in future fusion reactors, the activity of tritium handled as the fuel is enormously large, i.e., about 10 TBq per a fusion reactor power of 1000 MW, it is necessary to develop more excellent handling technique of tritium and to store the research results related to the fusion reactor technology. In particular, it is expected that researchers and workers of the fusion reacto...

Large amounts of tritium may be used and may become a source of significant tritium release into the environment . The estimation of the accumulated dose in the human body due to tritium intake is an important subject for the protection of humans from the radiation hazard caused by internally deposited tritium. In mammals exposed to free water tritium, tritium dosimetry can be conveniently achi...

To establish a new technique for in-situ measurements of high-level tritium, applicability of the new measuring technique that is based on utilization of X-rays induced by β-rays from tritium was examined for three physical states of tritium such as gaseous tritium, aqueous tritium, and solid tritium retained on the surface and/or in bulk of the tritium-exposed materials in fusion reactors. It ...

An investigation was undertaken in relation to the contamination of a facility used for the servicing and refurbishment of gaseous tritium light devices. While it is generally accepted that there is minimal exposure hazard from a broken gaseous tritium light source after the tritium gas has dispersed, environmental tritium contamination displaying ‘particulate’ like characteristics was observed...