Qualification of TRACE V5.0 Code against Fast Cooldown Transient in the PKL-III Integral Test Facility

Table 3

Post test: summary of results obtained by application of FFT-BM—overall transient.

#	Parameter		TRACEv5
	Description	ID	(0–4410 s)
			AA	WF
1	UP pressure	P RDB OP	0.317	0.035
2	PRZ pressure	P DH MB 50	0.322	0.033
3	SG-1 pressure	P DE1 SEK MB 50	0.053	0.033
4	SG-4 pressure	P DE4 SEK	0.033	0.062
5	LP coolant (liquid) temp.	TF UP OBEN	0.147	0.056
6	UP coolant (liquid) temp.	TF OP ME11/1	0.142	0.057
7	UH coolant (liquid) temp.	TF DK ME 19	0.436	0.054
8	PRZ coolant (liquid) temp. (at 1.716 m)	TF DH ME 3	0.119	0.056
9	SG 1 outlet coolant (liquid) temp.	TF KS1 DE-AUS	0.171	0.053
10	SG 3 outlet coolant (liquid) temp.	TF KS2 DE-AUS	0.107	0.053
11	SG 1 outlet mass flow	F DE1 AUS WR-VR-VLR	0.033	0.066
12	SG 2 outlet mass flow	F DE4 AUS WR-VR-VLR	0.033	0.048
13	Steam line 1 BRK nozzle	F LBA 10 CF 001	0.322	0.073
14	Integral BRK flow rate	—	0.036	0.032
15	DC RPV inlet 1/outlet 1	DP RDB EIN/AUS-1	0.482	0.058
16	DP inlet-outlet SG 1 (BL)	DP DE1 E/A	1.736	0.078
17	DP inlet-outlet SG 4 (IL)	DP DE4 E/A	1.610	0.084
18	DP across BRK device	DP FD-LECK DE10	0.421	0.081
19	PRZ collapsed level	H JEF 10 CL 001	0.096	0.078
20	SG-1 riser collapsed level	H DE1 SEK STGRM/GES	0.201	0.079
21	SG-1 DC collapsed level	H JEA 10 CL 851	0.249	0.081
22	SG-2 riser collapsed level	H DE2 SEK STGRM/GES	0.104	0.049
23	Hottest cladding temp.	TW K10/6	0.114	0.06
Total average accuracy		Total (23 parameters)	0.226	0.054