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The structure and dynamics of a near-wall gas flow produced by a rotating electric arc discharge in an external magnetic field around a cylindrical model with and without an incoming flow has been investigated (M <0, 2; Re < 9.104). The electric arc on the model has been produced by a combined electric discharge (low-current RF discharge + high-current pulse-periodic discharge). Permanent magnets with induction B ≍0.1 T have been placed inside the cylindrical models. Ring electrodes are arranged on the surface of the model. The structure and dynamics of the near-wall gas flow around the cylindrical model have been investigated using high-speed photography, as well as the shadowgraph and particle image velocimetry (PIV) methods. In the experiment were measured: the flow profile around the cylinder and the aerodynamic forces acting on the cylinder (drag and lift).