TY JOUR TI INVESTIGATION OF MAGNETIC FIELD IMPACT UPON FRICTION MOMENT AND SEALING ABILITY OF MAGNETIC LIQUIDS KW magnetic fluid KW friction moment KW shaft rotational frequency KW magnetic field KW tightness KW sealing. JO Bulletin of Bryansk state technical university AU Shets, S.P. AU Gorlenko, A.O. PY 2018 IS 2018 PB Bryansk State Technical University