BS ISO 18075:2018

Steady-state neutronics methods for power-reactor analysis. | Status: Current, Under review

1 Scope This document provides guidance for performing and validating the sequence of steady-state calculations leading to prediction, in all types of operating UO2-fuel commercial nuclear reactors, of:

• — reaction-rate spatial distributions;
• — reactivity;
• — change of nuclide compositions with time.

The document provides:

1. a) guidance for the selection of computational methods;
2. b) criteria for verification and validation of calculation methods used by reactor core analysts;
3. c) criteria for evaluation of accuracy and range of applicability of data and methods;
4. d) requirements for documentation of the preceding.