The coalescence and motion behaviors of bubbles can be influenced by electromagnetic field, it can be found in the TOKAMK fusion reactors of ITER program. In this paper, VOF (Volume of Fluid) method is adopt to simulate the single bubble rising behavior and bubble coalescence in stagnant liquid under the electromagnetic field within a cylinder closure (D = 20mm, H = 50mm). A three-dimensional numerical simulation is presented considering the driving effect of uniform electric field and magnetic field on the process of bubble rising and bubbles inline coalescence in stagnant liquid pool. The interesting local Magneto-hydrodynamic (MHD) flow, which is produced due to current non-homogenous distribution around the insolated gas bubble, is discussed in the process of single bubble rising and coalescence of bubbles inline. Under the influence of local MHD flow, the rising bubble shape presents obvious deformation. More importantly, as the existence of rotating Lorentz force, the liquid film between two bubbles is stirred, the process of coalescence is largely accelerated.
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2013 21st International Conference on Nuclear Engineering
July 29–August 2, 2013
Chengdu, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-5580-5
PROCEEDINGS PAPER
The Effect of Electromagnetic Field on the Behavior of Bubbles
Hong-bo Liu,
Hong-bo Liu
Chongqing University, Chongqing, China
Search for other works by this author on:
Liang-ming Pan
Liang-ming Pan
Chongqing University, Chongqing, China
Search for other works by this author on:
Hong-bo Liu
Chongqing University, Chongqing, China
Liang-ming Pan
Chongqing University, Chongqing, China
Paper No:
ICONE21-15689, V003T10A024; 5 pages
Published Online:
February 7, 2014
Citation
Liu, H, & Pan, L. "The Effect of Electromagnetic Field on the Behavior of Bubbles." Proceedings of the 2013 21st International Conference on Nuclear Engineering. Volume 3: Nuclear Safety and Security; Codes, Standards, Licensing and Regulatory Issues; Computational Fluid Dynamics and Coupled Codes. Chengdu, China. July 29–August 2, 2013. V003T10A024. ASME. https://doi.org/10.1115/ICONE21-15689
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