Research Article

Sensitivity Studies for the Exercise I-1 of the OECD/UAM Benchmark

Table 2

Manufacturing tolerances for TMI-1 test case.

ParameterReference value Variation
TMI-1PB-2

Fuel density 10.283 g/cm3±0.17 g/cm3±0.91%
(= ± 0.095 g/cm3)
Fuel pellet diameter 9.391 mm ±0.013 mm ±0.013 mm
Gap thickness 0.0955 mm ±0.024 mm
Clad thickness 0.673 mm ±0.025 mm ±0.04 mm
235U concentration 4.85 w/o ±0.00224 w/o