Research Article

Computational Methods for Multidimensional Neutron Diffusion Problems

Table 3

Cross-sections for the reflector in the heterogeneous case.

𝑔 Σ 𝑔 𝑟 𝐷 𝑔 Σ 𝑠 𝑔 𝑔 + 1 Σ 𝑠 𝑔 𝑔 + 2
( c m 1 ) (cm) ( c m 1 ) ( c m 1 )

1 0 . 9 6 6 7 𝐸 0 2 2 . 5 2 0 . 9 5 0 6 𝐸 0 2 0 . 1 2 7 0 𝐸 0 3
2 0 . 1 5 0 8 𝐸 0 2 1 . 5 6 0 . 1 3 8 5 𝐸 0 2
3 0 . 1 4 0 7 𝐸 0 3 1 . 0 0