Verification of the Efficacy of Passive Autocatalytic Recombiners in a Typical Pressurized Water Reactor under a Station Blackout Condition

Table 12

Effect of MAAP parameters (phenomenological uncertainty).

Parameter	Range	Default	Value	H2 mass (kg)	Variation (%)	Case#
LMCOL0; LMCOL1; LMCOL2; LMCOL3	48.0∼54.0	53	48	448.34	−5.9	1
			50	460.70	−3.3	2
			52	473.49	−0.6	3
			54	475.91	−0.1	4
EPSCUT	0.0∼0.25	0.1	0	486.97	2.3	5
			0.08	491.60	3.2	6
			0.16	481.56	1.1	7
			0.25	479.67	0.7	8
			0.02	495.61	4.1	9
			0.04	480.4	0.9	10
			0.06	490.79	3.1	11
TCLMAX	100∼3000 K	2500 K	2000	341.06	−28.4	12
			2250	368.97	−22.5	13
			2750	516.77	8.5	14
			3000	498.08	4.6	15
FAOX	1.0∼2.0	1.0	1.25	438.4	−7.9	16
			1.5	476.25	0.0	17
			1.75	489.36	2.8	18
			2	482.48	1.3	19
FGBYPA	0∼1	1	0	462.74	−2.8	20
			0.25	462.74	−2.8	21
			0.5	476.25	0.0	22
			0.75	476.25	0.0	23
TAUTO	750∼1200 K	983 K	750	476.25	0.0	24
			900	476.25	0.0	25
			1050	476.25	0.0	26
			1200	476.25	0.0	27
TJBRN	900∼1900 K	1060 K	900	480.9	1.0	28
			1233	469.7	−1.4	29
			1566	471.4	−1.0	30
			1900	471.4	−1.0	31
DXHIG	−0.04∼1	0.0	−0.04	476.25	0.0	32
			0.31	476.25	0.0	33
			0.65	476.25	0.0	34
			1	476.25	0.0	35
ENT0	0.025∼0.060	0.045	0.04	475.66	−0.1	36
			0.045	476.25	0.0	37
			0.05	476.71	0.1	38
EPSCU2	0.001∼0.35	0.2	0.15	470.17	−1.3	39
			0.2	476.25	0.0	40
			0.25	479.67	0.7	41
			0.3	473.74	−0.5	42
FZORUP	0.0∼1.0	0.7	0.6	476.25	0.0	43
			0.65	476.25	0.0	44
			0.7	476.25	0.0	45
			0.75	476.25	0.0	46
			0.8	476.25	0.0	47

The bold values point to the case with maximum hydrogen production.