Email: mjni@ucas.ac.cn

Telephone: 010-69671689

Address: YanqiHu Campus, Huaibei Town, Huairou District, Beijing 101407, China

### Research Areas

**Fluid Mechanics:**

magnetohydrodynamics, computational fluid mechanics, multi-phase fluid flow and heat transfer, experimental fluid mechanics and heat transfer

**Fusion Engineering:**

liquid metal fusion blanket, liquid metal divertor

### Education

Dept. of Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, P.R. China

1991. 9 - 1994. 7, M.S.

College of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, P.R. China

1994.9 - 1997. 12, Ph. D

College of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, P.R. China

1999.4 - 2001.8, Post-doctor

Dept. Mechanical Engineering, Kyoto University, Kyoto, Japan

### Experience

### Publications

Chen, L., Smolentsev, S., Ni, M. J. (2022). Toward full simulations for a liquid metal blanket: part 2. Computations of MHD flows with volumetric heating for a PbLi blanket prototype at Ha∼ 104 and Gr∼ 1012. *Nuclear Fusion*, *62*(2), 026042.

*Nuclear Fusion*,

*61*(12), 126069.

Zhao, S., Zhang, J., Ni, M. J. (2021). Boiling and evaporation model for liquid-gas flows: A sharp and conservative method based on the geometrical VOF approach. *Journal of Computational Physics*, 110908.

Zhang, J., Ni, M. J. (2021). A numerical study of a bubble pair rising side by side in external magnetic fields. *Journal of Fluid Mechanics*, *926*.

Jia, X., Yang, J. C., Zhang, J., Chen, L., Ni, M. J. (2021). Collision dynamics of binary liquid metal droplets under horizontal magnetic field. *Physical Review Fluids*, *6*(10), 103702.

Zhang, J., Ni, M. J., Magnaudet, J. (2021). Three-dimensional dynamics of a pair of deformable bubbles rising initially in line. Part 1. Moderately inertial regimes. *Journal of Fluid Mechanics*, *920*.

Han, T. Y., Zhang, J., Tan, H., & Ni, M. J. (2021). A consistent and parallelized height function based scheme for applying contact angle to 3D volume-of-fluid simulations. *Journal of Computational Physics*, *433*, 110190.

Chen, L., Pothérat, A., Ni, M. J., Moreau, R. (2021). Direct numerical simulation of quasi-two-dimensional MHD turbulent shear flows. *Journal of Fluid Mechanics*, *915*.

Zhang, J., Sahu, K. C., Ni, M. J. (2021). Transition of bubble motion from spiralling to zigzagging: A wake-controlled mechanism with a transverse magnetic field. *International Journal of Multiphase Flow*, *136*, 103551.

Ren, D. W., Wu, S., Yang, J. C., Ni, M. J. (2020). Investigation of liquid metal drop impingement on a liquid metal surface under the influence of a horizontal magnetic field. *Physics of Fluids*, *32*(5), 053311.

Chen, L., Smolentsev, S., Ni, M. J. (2020). Toward full simulations for a liquid metal blanket: MHD flow computations for a PbLi blanket prototype at Ha∼ 104. *Nuclear Fusion*, *60*(7), 076003.

Yang, J. C., Qi, T. Y., Ren, D. W., Ni, M. J., Liu, B. Q., Hu, J. S., Li, J. G. (2020). Magnetohydrodynamic effects on liquid metal film flowing along an inclined plate relating to plasma facing components. *Nuclear Fusion*, *60*(8), 086003.

Pan J H, Ni M J, Zhang N M. A consistent and conservative immersed boundary method for MHD flows and moving boundary problems. Journal of Computational Physics, 2018.

Yang J C, Qi T Y, Han T Y, Zhang J, Ni M J. Elliptical spreading characteristics of a liquid metal droplet impact on a glass surface under a horizontal magnetic field. Physics of Fluids, 2018, 30(1): 012101.

Chen L, Xu S J, Ni M J. The Kármán vortex street inversion and heat transfer around a square cylinder at low Reynolds and magnetic interaction numbers International Journal of Heat and Mass Transfer, 2018, 117: 768-779.

Yu X X, Zhang J, Ni M J. Numerical simulation of the Rayleigh-Benard convection under the influence of magnetic fields. International Journal of Heat and Mass Transfer, 2018, 120: 1118-1131.

Zhang J, Ni M J. What happens to the vortex structures when the rising bubble transits from zigzag to spiral?. Journal of Fluid Mechanics, 2017, 828: 353-373.

Qi T Y, Liu C, Ni M J, Yang J C. The linear stability of Hunt-Rayleigh-Bénard flow. Physics of Fluids, 2017, 29(6): 064103.

Zhang J, Han T Y, Yang J C, Ni M J. On the spreading of impacting drops under the influence of a vertical magnetic field. Journal of Fluid Mechanics, 2016, 809.

Zhang J, Ni M J, Moreau R. Rising motion of a single bubble through a liquid metal in the presence of a horizontal magnetic field. Physics of Fluids, 2016, 28(3): 032101.

Z. Tao, M.-J. Ni, Analytical solutions for MHD flows at a rectangular duct with unsymmetrical walls of arbitrary conductivity, Science China Physics, Mechanics and Astronomy, 58 (2015) 1-18.

J.-J. Wang, J. Zhang, M-J Ni, R. Moreau, Numerical study of single droplet impact onto liquid metal film under a uniform magnetic field, Phys. Fluids, 26 (2014) 122107.

J. Zhang, M.-J. Ni, Direct simulation of single bubble motion under vertical magnetic field: paths and wakes, Phys. Fluids, 26 (2014) 102102.

J. Zhang, M.-J. Ni, Direct simulation of multi-phase MHD flows on an unstructured Cartesian adaptive system, J. Comp. Phys., 270 (2014) 345-365.

J. Zhang, M.-J. Ni, A consistent and conservative scheme for MHD flows with complex boundaries on an unstructured Cartesian adaptive system, J. Comp. Phys., 256 (2014) 520-542.

### Research Interests

Experimental fluid dynamics with focus on liquid metal flows under strong magnetic field

R&D of liquid metal fusion blanket and liquid metal fusion divertor with focus on analysis of MHD effects