JAEA-Research-2010-034.pdf:16.23MB - JAEAの研究開発成果 ...

JAEA-Research 2010-034
目 次
1. はじめに ··············································································································································· 1
2. 熱-水-応力-化学連成解析モデルによる解析システムの構築 ················································· 4
2.1 連成解析システムの概要 ·············································································································· 4
2.2 連成解析のフローの概要 ·············································································································· 4
3. 熱-水-応力-化学連成解析モデルの構築 ·················································································· 6
3.1 モデルの概要 ································································································································· 6
3.2 熱特性 ············································································································································· 8
3.2.1 熱移動の支配方程式 ··············································································································· 8
3.2.2 熱移動に関する連成パラメータ ··························································································· 9
3.3 水理特性 ······································································································································· 10
3.3.1 地下水移動の支配方程式 ····································································································· 10
3.3.2 地下水移動に関する連成パラメータ ················································································· 12
3.3.3 水蒸気量の推定 ···················································································································· 16
3.4 力学特性 ······································································································································· 19
3.4.1 力学挙動の支配方程式 ········································································································· 19
3.4.2 力学挙動に関する連成パラメータ ····················································································· 25
3.5 物質移行特性 ······························································································································· 27
3.5.1 液相中の物質移行問題 ········································································································· 27
3.5.2 気相中の物質移行問題 ········································································································· 30
3.5.3 安定基準について ················································································································ 31
3.5.4 境界条件について ················································································································ 32
3.5.5 物質移行に関する連成パラメータ ····················································································· 32
3.6 地球化学特性 ······························································································································· 33
3.6.1 地球化学反応に関する支配方程式 ····················································································· 33
3.6.2 不飽和緩衝材中の地球化学反応モデル ············································································· 37
4. 熱-水-応力-化学連成解析モデルの適用性検証 ······································································· 41
4.1 2 相流解析コード TOUGHREACT との比較解析 ····································································· 41
4.1.1 概要および解析条件 ············································································································· 41
4.1.2 解析結果・考察 ···················································································································· 45
4.2 室内塩濃縮試験結果に対する検証解析 ···················································································· 52
4.2.1 室内試験の概要 ···················································································································· 52
4.2.2 不飽和緩衝材中の間隙水組成(検証データ)の推定 ······················································ 59
4.2.3 解析条件 ································································································································ 65
4.2.4 解析結果・考察 ···················································································································· 68
5. 具体的な地質環境条件に基づく数値実験の例示········································································· 80
5.1 仮想的地質環境条件の設定 ········································································································ 80
5.1.1 熱特性 ······································································································································· 80
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