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Comparative analysis of inhomogeneity degree of magnetic field of polygradient magnetic separators for purification of bulk materials

The paper deals with the main approaches for estimation of homogeneity degree of magnetic field in polygradient medium of magnetic separator. As an indicator of the inhomogeneity of field was accepted inhomogeneity coefficient. It shows how many times the strength of field at research point differs from the strength of homogeneous field. Numerical simulation of distribution of the magnetic field in interpolar working zones in a two-dimensional formulation for six synthesized structures. The plate in form of rectangular triangle was adopted as an elementary monostructure was carried out. Comparative estimation of inhomogeneity degree of magnetic field along characteristic lines of working zones of synthesized structures of magnetic separators polygradient medium has been made. For field inhomogeneity research as characteristic lines were accepted lines that connect the vertices of the opposing triangular plates of the matrix. The results of research can be used to choose the rational structure of polygradient medium and geometric dimensions of its plate elements.