Uncertainty Analysis of Light Water Reactor Fuel Lattices

Table 2

Assembly 𝑘_inf values and associated uncertainties.

Fuel	Operating conditions	𝑘inf	Uncertainty in 𝑘inf (%  Δ𝑘/𝑘)	Largest uncertainty-contributing reaction
BWR	HZP	1.1116	0.50	^238U(𝑛,𝛾)
	HFP (40% void)	1.0779	0.56	^238U(𝑛,𝛾)
PWR	HZP	1.4130	0.46	^23U(𝑛,𝛾)
	HFP	1.3968	0.47	^238U(𝑛,𝛾)
VVER	HZP	1.3164	0.47	^238U(𝑛,𝛾)
	HFP	1.3115	0.47	^238U(𝑛,𝛾)