Research Article
Sensitivity Studies for the Exercise I-1 of the OECD/UAM Benchmark
Table 10
Manufacturing sensitivities for TMI-1 at HFP conditions considering thermal expansion.
| Parameter | Variation | Δρ (pcm) | HFP | HFP with thermal expansion |
| Fuel density | +0.17 g/cm3 | −104 | −105 | Fuel pellet diameter | +0.013 mm | −20 | −20 | Gap thickness | | | | from outside | +0.024 mm | −91 | −92 | from inside | +0.024 mm | 74 | 74 | Clad thickness | | | | from outside | +0.025 mm | −110 | −111 | from inside | +0.025 mm | −15 | −15 |
235U concentration | +0.00224 w/o | 4 | 4 |
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