MAGNETOPHORETIC POTENTIAL OF A CHAIN OF FERROMAGNETIC BALLS IN A HOMOGENEOUS FIELDB. E. Kashevskii and I. V. Prokhorov UDC 621.928.8 The class of filtering magnetic structures formed by an ordered set of ferromagnetic microballs is considered. We develop an approach to the analysis of their magnetophoretic properties based on the dipole approach and the concept of a magnetophoretic potential averaged along the direction of motion of the suspension of separated particles. We have investigated the magnetophoretic properties of longitudinally and transversely magnetized linear chains of balls. Experiments aimed at estimating the accuracy of the dipole approximation have been performed. A. V. Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, Minsk. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 76, No. 4, pp. 30-35, July-August, 2003. Original article submitted January 3, 2003.