TY JOUR TI Simulation Model of a Physical-Chemical Method for Protecting Contact Wires Against Icing KW Contact wire KW icing KW heat transfer KW phase transition KW relief surface KW hydrophobic coating KW droplet hydrodynamics KW turbulence KW simulation modelling KW finite difference method JO Bulletin of scientific research results AU Barausov, V.A. AU Bubnov, V.P. AU Moiseev, V.I. PY 2025 IS 2025 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"