THE ACCURATE DETERMINATION OF SUB-CRITICAL MARGINS TO MEET EMERGING CRITICALITY NEEDS

摘要

This paper reviews recent and on-going developments associated with the MONK computer code aimed at enhancing the tools available to the criticality assessor. These developments are driven by the need to be able to accurately determine sub-critical margins for emerging challenges facing the criticality community, noting that the pursuit of increased accuracy is only appropriate if it is cost-effective. The paper reviews the developments under five main headings: Validation Database, Nuclear Data Library, Physics Modelling, Independent Capabilities and User Interface and concludes that with the strong applications-oriented input driving the development of MONK, the code is well-placed to meet its users' requirements well into the next century.