Workshop on Benchmarking of CFD Codes for Application to Nuclear Reactor Safety (CFD4NRS)

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Computational fluid dynamics (CFD) is to an increasing extent being adopted in nuclear reactor safety analyses as a tool that enables specific safety relevant phenomena occurring in the reactor coolant system to be better described. The Committee on the Safety of Nuclear Installations (CSNI), which is responsible for the activities of the Nuclear Energy Agency that support advancing the technical base of the safety of nuclear installations, has in recent years conducted an important activity in the CFD area. This activity has been carried out within the scope of the CSNI Working Group on the Analysis and Management of Accidents (WGAMA), and has mainly focused on the formulation of user guidelines and on the assessment and verification of CFD codes. It is in this WGAMA framework that the present workshop, held in Garching, Germany on 5-7 September 2006, was organised and carried out.

The purpose of the workshop was to provide a forum for numerical analysts and experimentalists to exchange information in the field of nuclear reactor safety (NRS) related activities relevant to CFD validation, with the objective of providing input to WGAMA CFD experts to create a practical, state-of-the-art, web-based assessment matrix on the use of CFD for NRS applications.