Benchmark Analysis on Loss-of-Flow-without-Scram Test of FFTF Using Refined SAC-3D Models

Table 5

Comparison of benchmark and SAC-3D steady-state parameters.

Parameter	Unit	Measured value	Calculated value	Discrepancy (%)
Core power	MW	199.2	199.2	0.00
Core inlet temperature	K	590.4	590.87	0.08
Total core flow rate	kg/s	2202.24	2197.98	−0.19
Mass flow rate through all assemblies	kg/s	1988.44	1989.34	0.05
GEM sodium level^1	cm	221.6	221.6	0.00
Primary hot leg temperature	K	—	678.18	—
Primary cold leg temperature	K	—	605.89	—
Secondary hot leg temperature	K	—	656.56	—
Secondary cold leg temperature	K	583.06	583.78	0.12

¹Elevation relative to the top of inlet nozzle holes.