Qiang Wang

Northeastern University

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Baokuan Li

Northeastern University

Guangqiang Li

Wuhan University of Science and Technology

Guojian Li

Northeastern University

Zhu He

Wuhan University of Science and Technology

Shiying Liu

National University of Singapore

Mingdi Lan

Northeastern University

Tie Liu

Northeastern University

Lijia Zhao

Northeastern University

Xiaowei Zhu

Portland State University

Fang Wang

Yanshan University

Cooperative Institutions

Northeastern University

141

Chinese Academy of Sciences

108

Wuhan University of Science and Technology

University of Chinese Academy of Sciences

Universidad del Noreste

Beihang University

Dalian University of Technology

Harbin Institute of Technology

Xi'an Jiaotong University

Shanghai Jiao Tong University

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Effect of Innovative Cathode on Bath/Metal Interface Fluctuation in Aluminum Electrolytic Cell

Light Metals (2014)

Qiang Wang Jianping Peng Baokuan Li Feng Naixiang

A three-dimensional transient magnetohydrodynamic model has been developed to investigate the effect of innovative cathode on interface fluctuation of bath/metal in aluminum electrolytic cell. A homogeneous multiphase flow model of three phases including molten aluminum (metal) and molten cryolite (bath) using the volume of fluid (VOF) approach is used to describe phases interaction. Moreover, the electrical potential method is adopted for the electric current and magnetic field. The Electromagnetic force is recalculated at each time step and then is implemented in the momentum equation of bath and metal as a source term. Then the mathematical model is employed to investigate the effect of the innovative cathode on the electric current, magnetic field, flow field, and bath/metal interface fluctuation. The results show that the interface fluctuation would be suppressed with the help of innovative cathode. In addition, the gas bubbles also float up more quickly which is good to energy saving.

Electrolytic cell

Cryolite

Electric current

10.1007/978-3-319-48144-9_83

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Citations (2)

Improvement of the Thermoelectric Properties in CNT/Bi₂Te₃ Composite Films Due to Evolution of the Depletion Layer and Point Defects under the Pulse Current Field

ACS Applied Materials & Interfaces (2025)

Mingdi Lan Shang Sun S. Q. Liu Guojian Li Zhe Wang

A carbon nanotube (CNT) composite is an effective method to improve the thermoelectricity of materials. However, the depletion layer between the CNT and thermoelectric (TE) material always decreases the contribution of CNT to the conductivity of the TE material. It is important to eliminate the depletion layer for improving the TE properties. Pulsed-electric-field (PEF) treatment was used to eliminate the depletion layer based on the atomic short-range diffusion on the interface of CNT and Bi2Te3. When the pulse current density is 30 A·dm–2, the CNT composite Bi2Te3 film has high mobility, a high carrier concentration, and a high effective mass due to no depletion layer and a low density of point defects. Both the resistivity and Seebeck coefficient improve in the CNT composite Bi2Te3 films by PEF treatment of 30 A·dm–2. The power density is 1.36 W·m–2 when the hot side temperature is 373 K. The maximum ZT value of this film is 1.66 at 513 K. Thus, the PEF is an effective way to achieve TE property enhancement in the composite films.

10.1021/acsami.4c21820

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Numerical Simulation of Methane Combustion in Two-Layer Porous Media Under Oxy-Fuel Condition

Flow Turbulence and Combustion (2022)

Mingjian Liao Shuyuan Jia Qiang Wang Tat Leung Chan Yawei Li

Adiabatic flame temperature

Equivalence ratio

Oxy-fuel

Atmospheric temperature range

10.1007/s10494-022-00392-0

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Citations (9)

Coupling Model for Circuit Systems in HP-EM Interference

2006 IEEE Antennas and Propagation Society International Symposium (2006)

Mengli Zhao Qiang Wang

Transmission lines on PCB can be treated as microstrip antennas when the frequency is high enough. Because of the incident HP-EM (high power electromagnetic) wave, electric systems may be disturbed by the coupling between spatial waves and transmission lines. To solve the interference of complex systems, an efficient model is proposed in this paper. It combines the transmission theory and network theory and gives an easier solution of the system coupling

10.1109/aps.2006.1710963

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Effect of Zn atomic diffusion due to pulsed electric field treatment on the thermoelectric properties of Zn–Sb films

Materials Science in Semiconductor Processing (2023)

Zhiwei Wang Mingdi Lan Shiying Liu Guojian Li Gaoyuan Zhai

Atomic diffusion

10.1016/j.mssp.2023.107473

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Citations (2)

Numerical Simulation of the Electromagnetic Dross Removal Technology Applied in Zinc Pot of Hot-Dip Galvanizing Line

Metals (2022)

Yubao Xiao Qingtao Guo Tie Liu Qiang Wang Chai Ming-liang

The forming of zinc dross floating on the surface of molten zinc in zinc pot is inevitable during hot-dip galvanizing production. The cleaning of zinc dross has always been a challenge and a difficult problem to solve. Based on the electromagnetic field theory and its application, a new electromagnetic dross removal technology was proposed, and the zinc dross driven by flowing molten zinc was possible to remove in an electromagnetic field circumstance. Through the coupling simulation of electromagnetic field and flow field, the electromagnetic force acting on molten zinc and the flow situation of molten zinc were simulated. The results showed that electromagnetic field can effectively act on the top surface of molten zinc and affect the flow of molten zinc. Different load conditions of electromagnetic field and the distance between the bottom surface of the iron core and the top surface of molten zinc related to zinc dross removal effect were discussed. Finally, the optimal application parameters of the electromagnetic dross removal technology were put forward.

Dross

10.3390/met12101714

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Citations (2)

Design and verification of 1D magnetized linear inertial fusion simulation code

High Power Laser and Particle Beams (2017)

Hailong Zhao Ying He Ganghua Wang Qiang Wang

Code (set theory)

10.11884/hplpb201729.170002

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繰返し載荷の場合の一方向凝固したTi47Al2Nb2Cr O2Er合金の圧縮強度増強機構に関する研究【Powered by NICT】