Research Article
Sensitivity and Uncertainty Analysis of the Maximum Fuel Temperature under Accident Condition of HTR-PM
Table 2
Uncertainty information of the eight selected input parameters.
| | Uncertainty inputs | Mean value | 2 standard deviation values | PDF type |
| | Reactor power (RP)/MW | 250 | ±5 (2%) | Normal and uniform | | Spatial distribution of decay heat adjustment factor (SDDH) | 1 | ±0.05 (5%) | Normal and uniform | | Decay heat adjustment factor (DH) | 1 | ±0.0285 (2.85%) | Normal and uniform | | Pebble bed effective conductivity adjustment factor (PBEC) | 1 | ±0.05 (5%) | Normal and uniform | | Graphitic matrix material conductivity adjustment factor (GMC) | 1 | ±0.07 (7%) | Normal and uniform | | Fuel element specific heat capacity adjustment factor (FEHC) | 1 | ±0.029 (2.9%) | Normal and uniform | | Reflector effective conductivity adjustment factor (REC) | 1 | ±0.05 (5%) | Normal and uniform | | Reflector specific heat capacity adjustment factor (RHC) | 1 | ±0.05 (5%) | Normal and uniform |
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