Table 10 Initial and boundary conditions of all 11 cases (CnSm and C0S0React)a
Initial conditions | ||||
|---|---|---|---|---|
Bentonite | ||||
HS- | 0 mol/m3 | T | 298.15 K | |
Cl- | 100 mol/m3 | pp | -1.2E7 Pa | |
O2,aq | 0.25 mol/m3 | O2,gas | 3.21 mol/m3 | |
Backfill | ||||
HS- | 0 mol/m3 | T | 298.15 K | |
Cl- | 100 mol/m3 | pp | -4.147E6 Pa | |
O2,aq | 0.25 mol/m3 | O2,gas | 3.21 mol/m3 | |
Host rock | ||||
HS- | 0 mol/m3 | T | 283.15 + (y + 450) · 0.03 K | |
Cl- | 100 mol/m3 | pp | 1000 · 9.81 · (y + 450) Pa | |
O2 | 0 mol/m3 | |||
Boundary conditions | ||||
Cu canister surfaces | ||||
q”(heat flux)b | \(26830{\,{\cdot }\,}\frac{{\left({\rm{t}}+30\right)}^{-0.758}}{2{{\pi }}\left(0.51{{\cdot }}4.83+0.512\right)}\) W·m−2 | |||
Host rock top surface | ||||
T | 296.85 K | |||
pp (pore pressure) | -1.55E5 Pa | |||
Host rock bottom surface | ||||
T | 299.65 K | |||
pp (pore pressure) | -1.55E5 Pa | |||
Host rock side surface | ||||
q”(heat flux) | 0 W·m-2 | |||
pp (pore pressure) | 0 Pa | |||
Bentonite/Host rock interface & Backfill/Host rock interface | ||||
Cases | Variable | |||
CnSma | O2,aq | - | ||
C0S0React | O2,aq | 0 mol·m-3 | ||
