FLUENT and ANSYS codes are used to solve the magnethydrodynamics(MHD)equations and electromagnetic field equations,respectively.An interface code is developed toimplement the bi-direction transfer of calculation data between FLUENT and ANSYS.Then a2-D MHD arc model is built up with the consideration of the nonlinear ferromagnetic material.The arc shape,gas flow velocity and magnetic field distribution are presented at a current of200 A.The influence of the number of splitter plates on arc motion is also analyzed.
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