Open Access
Table 5
Reactivity coefficients uncertainties, on the left, at 100 ppm of boron, on the right at 2500 ppm of boron for core temperature variations (pcm at 1σ).
| ΔρTemp | Boron 110 ppm | ΔρTemp | Boron 2500 ppm | ||
|---|---|---|---|---|---|
| ΔTemp | 20–>150 | 20–>220 | ΔTemp | 20–>150 | 20–>220 |
| U235 | 5 | 11 | U235 | 4 | 10 |
| U238 | 6 | 12 | U238 | 7 | 13 |
| H2O | 10 | 23 | H2O | 11 | 24 |
| Al27 | 5 | 11 | Al27 | 6 | 14 |
| B10 | 0 | 0 | B10 | 5 | 12 |
| Tot. Unc. | 14 | 30 | Tot. Unc. | 16 | 34 |
| Δρ | −1359 | −2866 | Δρ | −163 | −383 |
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