TY JOUR TI MODELING OF HYBRID ELECTROMAGNETIC HANGER FOR HIGH-SPEED VACUUM TRANSPORT MEANS KW electromagnetic hanger KW high-speed vacuum transport means KW electromagnet KW levitation force KW levitation KW air gap JO Bulletin of Bryansk state technical university AU Kireev, A.V. AU Grebennikov, N.V. PY 2019 IS 2019 PB Bryansk State Technical University