ELSMOR European Project: Experimental Results on an Innovative Decay Heat Removal System Based on a Plate-Type Heat Exchanger

Table 1

Estimated measurement uncertainties for the main ELSMOR data.

Quantity	Variable	Units	Measure	Expanded uncertainty	U (%)
Primary side pressure	P_001	MPa	11.92	0.01	0.1
Secondary side pressure	P_003	MPa	6.45	0.01	0.2
S-CSG primary side differential pressure	DP_021	kPa	22.26	0.03	0.1
S-CSG secondary side differential pressure	DP_020	kPa	6.21	0.04	0.6
S-CSG primary side inlet temperature	TF_074	°C	310.9	0.15	0.0
S-CSG primary side outlet temperature	TF_075	°C	281.7	0.15	0.1
S-CSG secondary side inlet temperature	TF_070	°C	266.3	0.15	0.1
S-CSG secondary side outlet temperature	TF_071	°C	280.3	0.15	0.1
Vertical tube HX inlet temperature	TF_072	°C	280.3	0.15	0.1
Vertical tube HX outlet temperature	TF_068	°C	70.2	0.12	0.2
Pool water level	L_001	m	4.01	0.06	1.4
Pool water mass	M_001	kg	3008	39	1.3
Pool water average temperature	T_ave	°C	99.6	2.8	2.8
S-CSG primary side flowrate	F_011	kg/s	3.576	0.171	4.8
S-CSG secondary side flowrate	F_007	kg/s	0.555	0.007	1.3
PS S-CSG power	W_CSG	kW	575	30	5.2