TY JOUR TI Numerical Simulation of Aerodynamic Processes of Air Mass Movement in Underground Tunnels Taking into Account Piston Impact of Rolling Stock KW piston effect KW Pitot cylindrical pressure tube PFM KW SCB cabinets KW CFD modeling KW pressure field KW anemometer KW air temperature JO Proceedings of Petersburg Transport University AU Karimov, D.D. PY 2022 IS 19 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"