Consistent fidelity comparison of integral transport methods
Integral transport methods are widely used to determine neutron flux distributions in lattice analysis characterized by limited spatial domains (two dimensions only) and substantial energy dependence. In general, lattice physics codes solve different forms of the discretized, two-dimensional integral transport equation for the flux distribution, which is then used to homogenize and condense cross sections to be used by nodal codes. Since lattice physics codes implement different methods, results differ. Numerous solution methods for the integral form of the neutron transport equation have been developed and contrasted. Usually, when results are compared between different methods incorporated into different codes, different cross-section values are employed. The purpose of this paper is to compare numerical results, using the same cross-section values, for three of the most used integral transport methods: the collision probability (CP) method, interface current (IC) method, and the current coupling collision probability (CCCP) method. Theory and equations for each of the methods can be found elsewhere.
- OSTI ID:
- 89138
- Report Number(s):
- CONF-941102--
- Journal Information:
- Transactions of the American Nuclear Society, Journal Name: Transactions of the American Nuclear Society Vol. 71; ISSN 0003-018X; ISSN TANSAO
- Country of Publication:
- United States
- Language:
- English
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