Status and Trends of ThermalHydraulic System Codes for Nuclear Power Plants With Pressurized Water Reactors

Research and development of thermalhydraulic system codes for nuclear power plants with pressurized water reactors were analyzed on their history, status and application ranges. The important roles of bestestimate methodology, codes coupling and codes qualification were pointed out. The development models of thermal hydraulic system codes around the world provide references to China’s selfinnovation.