TY JOUR TI A MODEL OF FREE CONVECTION IN ABOVEGROUND VERTICAL FIRE TANKS WITH AN INTERNAL FLUE KW outdoor fire tank KW fire-fighting water supply KW internal flue KW CFD KW computational fluid dynamics tools JO Problems of risk management in the technosphere AU Krutolapov, A.S. AU Kuzmin, A.A. AU Romanov, N.N. PY 2024 IS 2024 PB Saint-Petersburg University of State Fire Service of Emercom of Russia