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International Heat Transfer Conference 16

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

NUMERICAL MODELING AND OPTIMIZATION OF ELECTROMAGNETIC PUMP TOWARDS COMPACT DRIVING METAL COOLANT

Xu-Dong Zhang
Beijing Key Lab of Cryo-Biomedical Engineering and Key Lab of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China; School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100039, China

Yi-Xin Zhou
Beijing Key Lab of Cryo-Biomedical Engineering and Key Lab of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China

Xiao-Hu Yang
Beijing Key Lab of Cryo-Biomedical Engineering and Key Lab of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China; School of Future Technology, University of Chinese Academy of Sciences, Beijing 100049, China

Sicong Tan
Beijing Key Lab of Cryo-Biomedical Engineering and Key Lab of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China; School of Future Technology, University of Chinese Academy of Sciences, Beijing 100039, China

Jing Liu
Beijing Key Lab of Cryo-Biomedical Engineering and Key Lab of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China; School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100039, China; Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, 100084, China

DOI: 10.1615/IHTC16.ctm.023103
pages 3769-3774


PALABRAS CLAVE: Computational methods, Electronic equipment cooling, electromagnetic pump, liquid metal, optimization process, Lorentz force

Sinopsis

Electromagnetically pumped liquid metal cooling is a powerful method for the thermal management of extremely high heat flux devices and transportation of heat at extreme temperature, due to the excellent heat extraction and transfer capability of liquid metals and the advanced electromagnetic pumping method. Although highly attractive, liquid metal heat transfer is severely restricted by the availability of electromagnetic pump (EMP) with excellent performance which urgently requests to be optimized to offer as large as possible flow rate and pressure head. Here, we demonstrate a new compact structure of electromagnetic pump with excellent performance and simulation methods were carried out to optimize it. Firstly, a multi-physics configuration including velocity field, electric field and magnetic field was illustrated and analyzed in the EMP. We found a big jump of the Lorentz force in the boundary of the flow path, owing to the un-uniform distribution of the magnetic field. And the large pressure head and flow rate of the DC electromagnetic pump can be achieved by applying big current flowing through the liquid metal and constructing a small magnet gap. Finally, existing problems and further optimization measures were discussed. This study offers an optimization method for manufacturing a new compact structure of EMP towards driving metal coolant and will further promote the development of the liquid metal heat transfer techniques.

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