Material buckling from material cross sections and diffusion coefficient¶
Material buckling can be calculated from material fission and absorption cross sections as well as diffusion coefficient and average number of neutrons produced per fission.
Links:
- neutrons_per_fission¶
The average number of neutrons produced per fission. See
particle_count.
- Symbol:
nu- Latex:
\(\nu\)
- Dimension:
dimensionless
- macroscopic_fission_cross_section¶
macroscopic_cross_sectionof fission.
- Symbol:
Sigma_f- Latex:
\(\Sigma_\text{f}\)
- Dimension:
1/length
- macroscopic_absorption_cross_section¶
macroscopic_cross_sectionof absorption.
- Symbol:
Sigma_a- Latex:
\(\Sigma_\text{a}\)
- Dimension:
1/length
- diffusion_coefficient¶
- Symbol:
D- Latex:
\(D\)
- Dimension:
length
- material_buckling¶
- Symbol:
B_m^2- Latex:
\(B_\text{m}^2\)
- Dimension:
1/area
- law¶
B_m^2 = (nu * Sigma_f - Sigma_a) / D- Latex:
- \[B_\text{m}^2 = \frac{\nu \Sigma_\text{f} - \Sigma_\text{a}}{D}\]