Best-Estimate Plus Uncertainty Framework for Multiscale, Multiphysics Light Water Reactor Core Analysis

Table 4

Impact of input uncertainties on cycle length, presented as mean + (95% interval–mean).

Perturbed input parameters	Cycle length (day)
Nuclear data only	656 + 33.4
FM parameters only	654 + 1.2
Fuel thermal conductivity	654 + 1.2
Clad thermal conductivity	654 + 0.5
Gap conductance	654 + 1.2
TH parameters only	655 + 12.3
System pressure	654 + 1.8
Flow rate	654 + 1.8
Power	654 + 13.1
Coolant inlet temperature	654 + 1.9
All	655 + 36.2