Development and Validation of a Three-Dimensional Diffusion Code Based on a High Order Nodal Expansion Method for Hexagonal- Geometry

Table 2

Region-averaged fluxes calculated by HNHEX for 3D SNR benchmark in hexagonal-z geometry.

Group	Region	Average fluxes
		Calculated	Reference	Relative error (%)
1	Inner core			−0.16
	Outer core			0.07
	Radial blanket			0.41
	Axial blanket			−0.03
	Rods			0.73
	Rod followers			0.79
2	Inner core			0.42
	Outer core			−0.09
	Radial blanket			2.05
	Axial blanket			0.14
	Rods			1.10
	Rod followers			1.37
3	Inner core			0.19
	Outer core			−0.52
	Radial blanket			2.91
	Axial blanket			0.36
	Rods			0.07
	Rod followers			1.53
4	Inner core			0.17
	Outer core			0.81
	Radial blanket			1.12
	Axial blanket			0.79
	Rods			−0.24
	Rod followers			0.54