Research Article
OECD/NRC PSBT Benchmark: Investigating the CATHARE2 Capability to Predict Void Fraction in PWR Fuel Bundle
Table 2
Summary of subchannels results by CATHARE2 code.
| Void fraction | TS 1 | TS 2 | TS 3 | TS 4 | Overall | | | Number | | | Number | | | Number | | | Number | | | Number |
| 0.0–0.05 | 0.005 | 0.0161 | 6 | 0.015 | 0.0092 | 5 | 0.013 | 0.0152 | 8 | −0.004 | 0.0088 | 4 | 0.007 | 0.0143 | 23 | 0.05–0.10 | −0.012 | 0.0244 | 9 | −0.012 | 0.0264 | 6 | — | — | — | −0.040 | 0.0132 | 4 | −0.021 | 0.0251 | 19 | 0.10–0.15 | −0.042 | — | 1 | −0.040 | 0.0262 | 3 | −0.002 | 0.0455 | 3 | — | — | — | −0.028 | 0.0365 | 7 | 0.15–0.20 | −0.023 | 0.0037 | 3 | −0.079 | 0.0080 | 4 | — | — | — | −0.091 | 0.0087 | 2 | −0.064 | 0.0313 | 9 | 0.20–0.30 | −0.081 | 0.0384 | 3 | −0.030 | 0.0533 | 5 | −0.102 | — | 1 | −0.095 | 0.0200 | 3 | −0.077 | 0.0485 | 12 | 0.30–0.40 | −0.038 | 0.0574 | 8 | −0.057 | 0.0490 | 5 | −0.043 | 0.0496 | 2 | −0.056 | 0.0080 | 2 | −0.048 | 0.0477 | 17 | 0.40–0.60 | −0.032 | 0.0757 | 7 | −0.009 | 0.0520 | 10 | −0.072 | 0.0759 | 4 | −0.068 | 0.0143 | 3 | −0.045 | 0.0633 | 24 | 0.60–0.80 | 0.007 | 0.0235 | 6 | 0.053 | 0.0267 | 5 | — | — | — | −0.058 | 0.0021 | 2 | 0.000 | 0.0446 | 13 | 0.80–1.00 | — | — | — | — | — | — | −0.107 | 0.0429 | 2 | — | — | — | −0.107 | 0.0429 | 2 |
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