Diffusion coefficient from macroscopic scattering cross section¶

Neutron diffusion coefficient can be found from the macroscopic scattering cross section.

Links:

NuclearPower.

macroscopic_transport_cross_section¶: macroscopic_cross_section of transport.

Symbol:: Sigma_tr
Latex:: \(\Sigma_\text{tr}\)
Dimension:: 1/length

diffusion_coefficient¶: neutron_diffusion_coefficient.

Symbol:: D
Latex:: \(D\)
Dimension:: length

law¶

D = 1 / (3 * Sigma_tr)

Latex:: \[D = \frac{1}{3 \Sigma_\text{tr}}\]