1999•プラズマ・核融合学会誌Open access
General Formula of Tritium Permeation through Plasma Facing Materials.
W. M. Shu
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Abstract
General formulas for gas-driven permeation, plasma-driven permeation and simultaneous gas- and plasma-driven permeation have been derived by a circuit analogy, in which permeation resistance and permeation potential are newly defined for both diffusion in the bulk and recombination on the surface and the gradient of permeation potential against permeation resistance is considered to be the general driving force for tritium permeation through a laminate. The formula is applied to the assessment of tritium permeation and inventory in ITER divertor.
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