This report deals with an internationally agreed integral test facility (ITF) matrix for the validation of best estimate thermal-hydraulic computer codes. Firstly, the main physical phenomena that occur during the considered accidents are identified, test types are specified, and test facilities suitable for reproducing these aspects are selected. Secondly, a list of selected experiments carried out in these facilities has been set down. The criteria to achieve these objectives are outlined.
The construction of such a matrix is an attempt to collect together in a systematic way the best sets of openly available data for code validation, assessment and improvement, including quantitative assessment of uncertainties in the modelling of pheonmena by the codes.
NEA (1996), CSNI Integral Test Facility Validation Matrix for the Assessment of Thermal-Hydraulic codes for LWR LOCA and Transients, OECD Publishing, Paris
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