Analyses of Instability Events in the Peach Bottom-2 BWR Using Thermal-Hydraulic and 3D Neutron Kinetic Coupled Codes Technique

Table 2

DR and NF results in comparison with the experimental data for PT1.

			Calculation
Data from experimental results			ADRI		DRAT
			Time window from 37.5 to 70.0 s
LFST	DR	NF (Hz)	DR	NF (Hz)	DR	NF (Hz)
PT1	0.121	0.441	0.216	0.355	0.323	0.377
			Time window from 0.0 to 55.0 s
			0.729	0.416	1.001	0.383
			Time window from 36.5 to 55.0 s
			0.351	0.424	0.540	0.431