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Radiation Safety under Hydrogen Interaction


Creation of a Database on Ecological and Radiation Safety under the Interaction of Hydrogen and its Isotopes with Constructional Materials of Energy Devices

Tech Area / Field

  • ENV-MRA/Modelling and Risk Assessment/Environment

3 Approved without Funding

Registration date

Leading Institute
TRINITI, Russia, Moscow reg., Troitsk

Supporting institutes

  • VNIIEF, Russia, N. Novgorod reg., Sarov\nVNIITF, Russia, Chelyabinsk reg., Snezhinsk\nNIIEFA Efremov, Russia, St Petersburg

Project summary

The mechanism of the processes occurring during the interaction of hydrogen and its isotopes with constructional materials is of practical interest for research in plasma physics and controlled thermonuclear synthesis. The study of these process is of great importance for the development of solid state physics and for such areas of science as physical chemistry, electronics, vacuum technology, hydrogen energetic and so on. These investigations have the special importance due to providing complex ecological and radiation safety for operations effusion reactors. It is known, that tritium retention and leakage in modern devices like TFTR, (Princeton, USA), JET (Europe) and JT-60 (Japan) are dangerous for personal and surrounding environment.

Despite of scientific and practical importance of the problem, retention and release of hydrogen isotopes from constructional materials is still uncertain. Adsorption and desorption kinetics is studied not completely in experimental and theoretical ways. Experimental data on interaction of hydrogen isotopes with materials are controversial, physical models are not enough correct. Mathematical models were developed to describe trapping, retention and release of hydrogen and its isotopes under interaction of plasma with materials. The main steps of the retention and release of hydrogen isotopes were taken in consideration in these models, however, all process were not taken in account simultaneously. Thus, the status of study of hydrogen isotopes-constructional materials interaction is not satisfactory..

The project goal is the creation of the base of theoretical and experimental data on interaction of H isotopes with constructional materials of energetical devices.

To achieve this goal, the systematization of existing information and carrying out experimental and theoretical studies of the behavior of hydrogen isotopes in materials used in modern electrical physical devices will be performed in frames of the Project. The investigations will be performed using the experimental devices available in TRINITI, NIIEFA, VNIITF and VNIIEF.

Scientists from USA, Europe, Japan and Sweden are invited very much to take part in the project activity. The material samples after hydrogen isotopes interaction can be offered to foreign collaborators for comparison of measurements using their technique. The foreign colleagues can also offer materials for experiments in frames of the Project.


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