Space Dependent Model for the Slowing Down of Fast Neutrons.
NAVAL POSTGRADUATE SCHOOL MONTEREY CALIF
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The slowing down of fast neutrons was analyzed by a multi-group method of discrete time and energy states coupled with a spatial harmonic expansion method to determine the neutron density in a homogeneous, isotropically scattering slab. Five neutron source geometries were studied for both a fissioning and a non-fissioning system. Numerical results were obtained for the neutron flux, mean neutron energy and the neutron spectra for the one dimensional system using a harmonic mode expansion of up to six terms to determine the time-energy-space dependence. Author
- Fission Reactor Physics