... Technology, Tsinghua University, Beijing 100084, China 2. Institute of Nuclear Science and Engineering, North China Electric Power University, Beijing 102206, China ABSTRACT The RELAP5 code was employed to study the natural circulation characteristics and core thermal-hydraulic parameters of THFR (Tsinghua...

... and ranked to ensure the scaling can reproduce them in the test facility as the same as the prototype does. The height ratio is 1:4 and the diameter ratio is 1:6 for the test facility. Totally 177 simulators were used to simulate the thermal hydraulics of the fuel assemblies in the practical reactor core...

... used in compact reactors such as research reactors, integrated reactors, and high-flux reactors. at present, most thermal-hydraulic analysis programs, such as RELAP, RETRAN, THEATRE, are mostly developed for large-scale pressurized water reactors using rod-shaped fuels. It is suitable for narrow...

... and the prediction of the hot spot of the sodium-cooled fast reactor wire-wrapped fuel bundle. sodium-cooled fast reactor wire-wrapped fuel bundle turbulent Prandtl number thermal hydraulics CFD Proceedings of the 2022 29th International Conference on Nuclear Engineering ICONE29 August 8-12, 2022...

... promise to fulfil these requirements. The chemical etching and diffusion bonding technology expands PCHE application for several different nuclear technologies. This work presents the thermal-hydraulic and structural analysis of PCHE for molten salt application with thermal energy storage. In this study...

... the analytical approach to calculate the pipe deformation effects the overestimation of the pressure peak reduces to 8%. beyond design basis events computational fluid dynamics (CFD) thermal hydraulics nuclear safety and security Proceedings of the 2021 28th International Conference on Nuclear...

... with the experimental results. This is also reflected by the evolution of the quench front and also applies to the conducted COCOMO simulations. The released amount of steam is overestimated by both codes and leaves room for improvement. beyond design basis events thermal hydraulics nuclear safety and security...

... Abstract The marine nuclear power plant operating in the marine environment has complicated motion under the influence of wind and waves. The movement of marine nuclear power plant will affect the thermal-hydraulic characteristics of its nuclear reactor system. Compared with other typical...

... HTR simulator neutron dynamics thermal hydraulics coupling Along with the design and construction of the high temperature reactor pebble bed module (HTR-PM), the engineering simulator system (ESS) has been accomplished to deal with the key techniques of the HTR simulator. In our...

... 23 02 2010 This study presents a predictive thermal-hydraulic analysis with packed spheres in a nuclear gas-cooled reactor core. The predictive analysis considering the effects of high power density and the some porosity value were applied as a design condition for an Ultra High...

... interaction) to the iodine source term together with the restricted knowledge from both THAI and RECI tests, means that further investigations are required. 09 07 2009 severe accident containment thermal hydraulics THAI test facility iodine volatility CsI passive autocatalytic recombiner...

... models of the thermal hydraulics under steady condition are conducted in one-twelfth of the core and calculated by the numerical method. The DRAGON code is adopted to calculate the axial and radial power factors. The flow and heat transfer models in the fuel salt and graphite are founded basing...

... thermal hydraulics Proceedings of ICONE10 10TH International Conference on Nuclear Engineering Arlington, VA, USA, April 14-18, 2002 AB L E mi tru nd 1 K , F ing theoretical tool. Keywords: severe accidents, thermal hydraulics 1. INTRO To e environme generation melt with requireme the corium reactor...

... Proceedings of ICONE12 12th International Conference on Nuclear Engineering Keywords: Thermal Hydraulics, Heat Transfer, Transition Boiling, Correlation, Model INTRO Th import for ex Emerg Coolan and a magne investi transit throug combin boiling a heati were obtained. Correlations...

... 17 09 2008 The THAI experimental programme includes combined-effect investigations on thermal hydraulics, hydrogen, and fission product (iodine and aerosols) behaviour in LWR containments under severe accident conditions. An overview on the experiments performed up to now...