TY JOUR TI DAMPER WITH POROUS ANISOTROPIC RING KW hydrodynamics KW finite-dimensional damper KW lubricant forced feed KW porous ring KW anisotropy of penetrability in radial direction JO Bulletin of Bryansk state technical university AU Mukutadze , A.. AU Akhverdiev , K.. AU Flek , B.. PY 2016 IS 2016 PB Bryansk State Technical University