Methods and Model Development for Coupled RELAP5/PARCS Analysis of the Atucha-II Nuclear Power Plant

Table 4

Results: idealized rodded lattices—hafnium.

Code	MCNP5	DRAGON	HELIOS
Unrodded	1.04044	1.04715	1.04105
Rodded	0.93013	0.93513	0.93176
Δρ (mk)	−106.02	−106.98	−104.98
Diff (pcm)	—	96	−104