Neutronic Analysis For Nuclear Reactor Systems pp 349-360 | Cite as

# Heterogeneous Reactors and Wigner-Seitz Cells

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## Abstract

When deterministic neutron transport methods are applied to lattice or whole-core problems, the multi-group approximation is usually applied to the cross-sectional treatment for the energy domain. Due to the complicated energy behavior of resonance cross sections, the weighting spectrum for collapsing multi-group cross sections is very dependent on energy and space, which becomes a crucial challenge when analyzing a lattice or full-core configuration.

## Supplementary material

## References

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*Thermal-Hydraulic Analysis of Nuclear Reactors*, 1st edn. (Springer, New York, 2015)CrossRefGoogle Scholar - 2.J.J. Duderstadt, L.J. Hamilton,
*Nuclear Reactor Analysis*(Wiley, New York, 1976)Google Scholar - 3.J.R. Lamarsh,
*Introduction to Nuclear Reactor Theory*(Addison-Wesley, Reading, 1966)Google Scholar - 4.L. Massimo,
*Physics of High-Temperature Reactors*, 1st edn. (Pergamon, Oxford, 2013)Google Scholar - 5.A.M. Weinberg, E.P. Wigner,
*The Physical Theory of Neutron Chain Reactors*(University of Chicago Press, Chicago, 1958), p. 635Google Scholar

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