General
Ming-Jiu Ni, Professor of School of Engineering Science
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

1987.9 - 1991.7, B. S.
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

After two-year postdoctoral researches (JSPS researcher fellow) in Kyoto University, Japan, Professor Ming-Jiu Ni moved to University of California at Los Angeles as an assistant development engineer and a senior development engineer, where he mainly conducted researches on liquid metal flows relevant to fusion blanket and fusion first wall. He is now working at School of Engineering Science, University of Chinese Academy of Sciences, China as a full professor.

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 Fusion62(2), 026042.

Wang, H., Chen, L., Zhang, N. M., & Ni, M. J. (2021). Numerical simulations of MHD flows around a 180-degree sharp bend under a strong transverse magnetic field. Nuclear Fusion61(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 Mechanics926.

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 Fluids6(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 Mechanics920.

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 Physics433, 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 Mechanics915.

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 Flow136, 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 Fluids32(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 Fusion60(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 Fusion60(8), 086003.

Pan, J-H, Zhang, N-M & Ni, M-J. The wake structure and transition process of a flow past a sphere a ected by a streamwise magnetic field. Journal of Fluid Mechanics, 2018, 842, 248-272.

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

Computational fluid dynamics with focus on development of algorithm and software for multiphase flows and magnetohydrodynamics(MHD)
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