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Modelling the unsteady melt flow under a pulsed magnetic field
G. J. Chen; Y. J. Zhang; Y. S. Yang
2013
Source PublicationChinese Physics B
ISSN1674-1056
Volume22Issue:12
AbstractA numerical model for the unsteady flow under a pulsed magnetic field of a solenoid is developed, in which magneto-hydrodynamic flow equations decouple into a transient magnetic diffusion equation and unsteady Navier-Stokes equations in conjunction with two equations of the kappa-epsilon turbulent model. A Fourier series method is used to implement the boundary condition of magnetic flux density under multiple periods of a pulsed magnetic field (PMF). The numerical results are compared with the theoretical or experimental results to validate the model under a time-harmonic magnetic field; it is found that the toroidal vortex pair is the dominating structure within the melt flow under a PMF. The velocity field of a molten melt is in a quasi-steady state after several periods; changing the direction of the electromagnetic force causes the vibration of the melt surface under a PMF.
description.department[chen guo-jun] northeastern univ, minist educ, key lab electromagnet proc mat, shenyang 110819, peoples r china. [zhang yong-jie] baosteel grp, cent res inst, energy & environm res inst, shanghai 201900, peoples r china. [yang yuan-sheng] chinese acad sci, inst met res, shenyang 110016, peoples r china. ; chen, gj (reprint author), northeastern univ, minist educ, key lab electromagnet proc mat, shenyang 110819, peoples r china. ; guojunchen_1984@163.com
KeywordPulsed Magnetic Field Fourier Series Velocity Field Turbulent Model Stainless-steel Alloy Refinement Al Microstructure
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72391
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
G. J. Chen,Y. J. Zhang,Y. S. Yang. Modelling the unsteady melt flow under a pulsed magnetic field[J]. Chinese Physics B,2013,22(12).
APA G. J. Chen,Y. J. Zhang,&Y. S. Yang.(2013).Modelling the unsteady melt flow under a pulsed magnetic field.Chinese Physics B,22(12).
MLA G. J. Chen,et al."Modelling the unsteady melt flow under a pulsed magnetic field".Chinese Physics B 22.12(2013).
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