Within the framework of the activities and responsibilities of the OECD/NEA/WGAMA group, a modest PIRT-type exercise was initiated to identify and prioritize country-specific safety issues for which it was considered that analysis using Computational Fluid Dynamics (CFD) could bring real benefits in regard to improved safety. Conventional PIRT procedures were followed as far as possible: the problem scope and objectives of the exercise were first defined, and then a panel of experts was assembled to identify and prioritize the safety items of specific concern to the country represented. Collating the information received, it was possible to identify those safety issues which were clearly country-specific in origin, and those which were of generic interest for which a common approach to benchmarking would be justified. Separate lists were compiled for single-phase and multi-phase phenomena. The paper summarizes the procedures undertaken, lists and prioritizes the safety topics identified in the study, and presents the final ranking in terms of generic importance. Also described are perspectives for a first follow-up activity: the promotion of a new validation benchmark activity based on the problem of high-cycle thermal fatigue in mixing tees.
- Nuclear Engineering Division
Identification and Prioritization of Generic Nuclear Safety Problems Requiring CFD Analysis
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Smith, BL. "Identification and Prioritization of Generic Nuclear Safety Problems Requiring CFD Analysis." Proceedings of the 17th International Conference on Nuclear Engineering. Volume 5: Fuel Cycle and High and Low Level Waste Management and Decommissioning; Computational Fluid Dynamics (CFD), Neutronics Methods and Coupled Codes; Instrumentation and Control. Brussels, Belgium. July 12–16, 2009. pp. 399-408. ASME. https://doi.org/10.1115/ICONE17-75482
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