Numerical analysis of magnetohydrodynamic flow in rectangular duct of Chinese liquid metal LiPb experiment loop DRAGON-IV

The Magnetohydrodynamic(MHD) experiment, which will be carried out in Chinese liquid metal LiPb experimental loop DRAGON-IV, is an important approach to study the flow characteristics under the high magnetic field of the magnetic confinement fusion reactors. An accurate numerical analysis is necessary not only for the design and optimization of MHD experiment loop, but also for the measurement of pressure and velocity. In this paper, a conservative scheme and consistent projection method were adopted to simulate the MHD flow at high Hartmann numbers. The code developed by the FDS Team was used to analyze the MHD effect of LiPb MHD loop under fringing and uniform magnetic fields. The current density distribution was shown to illustrate the effect of Lorentz force on the velocity and pressure fields.