AUTHOR=Li Jun , Fang Di , Guo Chao , Wang Mingjun , Deng Jian , Tian Wenxi , Qiu Suizheng , Su G. H. TITLE=Numerical Study on the Thermal Hydraulic Characteristics in a Wire-Wrapped Assembly of LFRs JOURNAL=Frontiers in Energy Research VOLUME=8 YEAR=2020 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2020.548065 DOI=10.3389/fenrg.2020.548065 ISSN=2296-598X ABSTRACT=
The concept of wire-wrapped assembly has been widely adopted in liquid metal-cooled reactors to enhance the capability of flow and heat transfer. The detailed 3D thermal hydraulic behaviors of liquid metal in the wire-wrapped assembly directly affect the safety of the reactor. In the present work, a numerical study on a 19-pin wire-wrapped assembly cooled by a lead-bismuth eutectic was carried out using the CFD method. The geometrical model is referred to in the test section in KIT’s 19-pin experiments, which is a scaled test assembly based on the MYRRHA reactor. The established CFD model was validated against experimental data and results showed that the SST