id author title date pages extension mime words sentences flesch summary cache txt work_givu6ffrhvdmlhy3rsho4ruonu Francesco Di Maio A Regional Sensitivity Analysis-based Expert System for safety margins control 2018 26 .pdf application/pdf 7211 1131 78 Thermal-Hydraulic (TH) codes are used to simulate the response of nuclear safety systems under transient and ES proceeds by firstly identifying the (uncertain) system controllable variables (i.e., control rods position, feedwater flow rate, void fraction inside the steam generator, etc.) that most affect the system response by RSA; then, Keywords: Nuclear System, Expert System, Best-Estimate Thermal-Hydraulic Code, Safety Margins, Limit-State Safety remains a priority for Nuclear Power Plants (NPPs) design and operation, as the release al., 2015] for operator aid, based on the system response outcomes obtained from a ThermalHydraulic (TH) code and Regional Sensitivity Analysis [Wei et al., 2014]. th iteration of safety margins control, N,,1,0  (where 1N is the final number of Figure 1: limit-state surface G and failure boundary F of the analytical model m considered. The safety threshold γy is set equal to 155 bar and the resulting limit-state function G is given Figure 7: limit-state function G and failure boundary F of the pressurizer model m. ./cache/work_givu6ffrhvdmlhy3rsho4ruonu.pdf ./txt/work_givu6ffrhvdmlhy3rsho4ruonu.txt