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The motion of small paramagnetic particles in a high gradient magnetic separator

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3 Author(s)
Cummings, Daniel L. ; Alcoa Technical Center, Alcoa Center, Pennsylvania ; Prieve, D. ; Powers, G.J.

The force balance equation describing the motion of a small paramagnetic particle near a cylindrical ferromagnetic collector is presented in general form. The capture cross-section for a particle approaching a bare wire is found to be a function of the coefficient of magnetic force and the magnetization of the cylinder. Calculations show that the assumption of potential flow versus creeping flow is a critical one which can change the capture cross-section by as much as a factor of three.

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Magnetics, IEEE Transactions on  (Volume:12 ,  Issue: 5 )