Table 3 Hydrogen diffusion coefficients in distilled water.
From: An experimental study and mathematical formulation for hydrogen diffusion in water
Case Number | Temperature (°C) | Pressure (MPa) | Water length (mm) | Csat (gmole of H2/m3 of Solution) | D × 10–9(m2/s) | Average pressure (MPa) | (\(\bar{\varvec{D}}\)± σD)× 10–9(m2/s) |
|---|---|---|---|---|---|---|---|
1a | 30 | 6.45 | 48 | 46.2933 | 4.0 | 6.75 | 3.6 ± 0.4 |
1b | 30 | 7.04 | 48 | 50.9345 | 3.2 | ||
2a | 45 | 6.78 | 49 | 46.2005 | 5.3 | 6.83 | 4. ± 0.4 |
2b | 45 | 6.87 | 49 | 46.7803 | 4.4 | ||
3a | 60 | 6.83 | 48 | 46.0916 | 6.3 | 6.93 | 6. ± 0.3 |
3b | 60 | 7.02 | 48 | 47.3158 | 5.8 |
