Research Article

Uncertainty and Sensitivity Analyses of a Pebble Bed HTGR Loss of Cooling Event

Table 4

PEBBED CRP-5 DLOFC uncertainty study results.

No of model runsInput dataOutput FOM (DLOFC Peak fuel temperature (°C))
Sampling methodDistribution typeParameters variedLower 95%/95% Tolerance intervalPopulation mean valueUpper 95%/95% Tolerance interval

99LHSUniformPower, RIT, decay heat154516031664
100LHSUniformSpecific heat, thermal conductivity155516051652
100LHSUniformAll151316051686
99LHSNormalAll153616041675
200LHSNormalAll153716041658
199SRSNormalAll153116041680