Leaching model of nuclear waste glass.

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概要

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• The three-dimensional spherical leaching model was developed on the basis of the experimental results for nuclear waste glass. Emphasis was placed on proposing a model for the growth of surface layers and for an immobilized reaction inside these layers. The diffusion equations derived from the modeling were solved numerically using the Crank-Nicholson implicit method and the resulting equations were implemented in a computer code named LEACH-2. To determine the location of the moving boundary, which was one of the most important parameters in this model, two simple examples were presented. One was the location of the moving boundary under the reaction controlled mechanisms and the other was that under the diffusion controlled mechanisms. The computed results using the latter example were in good agreement with the previous experimental data.

• 一般社団法人 日本原子力学会の論文

著者

• BANBA Tsunetaka

  Department of Environmental Safety Research, Japan Atomic Energy Research Institute

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• Leaching model of nuclear waste glass.

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