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This paper presents an overview of the safety related operating feedback taken into account in the ITER baseline design, and of the previously completed and ongoing Research and Development (R&D) activities in support of ITER safety analyses. Operating feedback relevant to ITER mostly comes from previous and currently existing fusion devices, and from the operation of tritium laboratories. Regarding...
Tritium inventory and permeation are important data for a breeding blanket of a fusion reactor. For the HCPB TBM in ITER a first attempt has been done to calculate these data at the design stage using available analysis tools. The results are in the expected range but further validation work is needed
A pumping system designed to pump magnetic fusion reactors has been operated pumping deuterium, hydrogen and hydrogen-helium mixtures. A 500 mm bore liquid helium cooled "snail" cryocondensation pump was used to pump the hydrogen species. The snail pump is equipped with a unique regeneration head which continuously removes the hydrogen ice from the cryocondensation surfaces while the pump...
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