2018 Fall Meeting

Presentation information

Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 505-2 Waste Disposal and Its Environmental Aspects

[2F21-24] In-situ Test

Thu. Sep 6, 2018 5:30 PM - 6:30 PM Room F (A36 -A Building)

Chair:Tamotsu Kozaki(Hokkaido Univ.)

5:45 PM - 6:00 PM

[2F22] Modelling of radionuclide migration in Grimsel granodiorite with microscale heterogeneities

*Ryosuke Ohta1, Kazuaki Mitsuyama1, Yukio Tachi2, Kenji Yotsuji2, Tomofumi Sato2, Hisao Satoh3, Andrew Martin4 (1. QJ Science Ltd., 2. JAEA, 3. Mitsubishi Materials Co., 4. Nagra)

Keywords:Geological disposal, radionuclide transport, Grimsel Test Site, Granodiorite, Rock matrix, Diffusion, Inhomogeneity

グリムゼル花崗閃緑岩を対象に,鉱物や間隙分布の不均質性を表現可能な核種移行モデルを開発し,不均質性が核種移行に及ぼす影響を評価するとともに,実測データとの比較からモデルの妥当性を確認した。