TY JOUR TI FORCED CONVECTION IN THE SMOKE EXHAUST SYSTEM KW combustion products KW extract and input ventilation KW forced convection KW boundary layer KW criterial equation KW compressible fluid KW laminar flow KW transitional regime JO Problems of risk management in the technosphere AU Kuzmin, A.A. AU Romanov, N.N. AU Permyakov, A.A. PY 2018 IS 2018 PB Saint-Petersburg University of State Fire Service of Emercom of Russia