Romeu A. Pieritz, Jörg Reimann and Claudio Ferrero 3D Tomography Analysis of the Inner Structure of Pebbles and Pebble Beds Advanced Engineering Materials 13
The knowledge of the geometrical structure of the pebble packs in the blanket of a tokamak fusion reactor is essential for the blanket final design. Features like the number of pebble–pebble and pebble–blanket wall contacts, as well as the respective contact surfaces need to be carefully investigated. For safety reasons, efficient tritium release is required throughout the gas percolation pathways inside the pebbles. High-resolution microtomography has proven to be an ideal tool for providing quantitative 3D information on this system.
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