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.

ParameterVariationΔρ (pcm)
HFPHFP 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 mm7474
Clad thickness
 from outside+0.025 mm−110−111
 from inside+0.025 mm−15−15
235U concentration+0.00224 w/o44