Numerical analysis of a moving gas tungsten arc weld pool with an external longitudinal magnetic field applied |
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| Authors: | Lin ZhongQin Li YongBing Wang YaSheng Chen GuanLong |
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| Affiliation: | (1) School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P.R. China;(2) School of Mechanical Engineering, Xi’an Jiao Tong University, Xi’an, 710049, P.R. China |
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| Abstract: | Mathematical models of the electromagnetic field, fluid flow and heat transfer of a three-dimensional moving gas tungsten
arc (GTA) weld pool with external longitudinal magnetic field applied are established in the paper. Using a multi-coupled
analysis function of ANSYS finite element code, distributions of current density and magnetic field, as well as fluid flow
and heat transfer in a moving weld pool, were systematically studied and investigated to understand and reveal the effect
of an external longitudinal magnetic field on liquid metal in a moving GTA weld pool and also to supply a basis for the application
of an external longitudinal magnetic field in welding technology . |
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| Keywords: | Current density External longitudinal magnetic field Fluid flow Heat transfer Liquid metal Weld pool |
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