Research on scaling analysis and design parameters of integral test facilities for PWR.

• The scaling analysis and design parameters of seventeen integral test facilities were discussed. • The scaling analysis methods and scaling choices were discussed and the suggestions were proposed. • The distribution of test matrix was presented based on statistic results. • The statistical analysis of system codes developed based on the integral test facilities was completed. For the design verification and licensing of newly pressurized water reactors (PWRs), many integral test facilities were conducted. From the above integral test facilities, the obtained experimental results were adopted in the assessment and development of safety analysis codes. In this study, scaling analysis and design parameters of integral test facilities were summarized from the perspective of scaling method, basic scaling choice, equipment design, test matrix and application. The scaling method is the guideline for establishing scaling ratios of integral test facilities and different scaling methods were proposed. With the basic scaling choices of system pressure, geometrical parameters, working medium and equipment material, the design parameters of equipment were discussed. The test matrix and application of different integral test facilities were compared. This work is expected to sum up experience and provide guidance for the design and application of newly integral test facilities. [ABSTRACT FROM AUTHOR]