TY JOUR TI ASSESSMENT OF PARAMETERS OF A CAR FIRE POWDER EXTINGUISHING ON THE BASIS OF THE METHOD OF DIMENSIONAL ANALYSIS KW fire truck powder extinguishing KW technical parameters KW dimensionless complex KW generalized complex JO Problems of risk management in the technosphere AU Markova, N.B. AU Filanovskiy, A.M. AU Poliakov, A.S. PY 2014 IS 2014 PB Saint-Petersburg University of State Fire Service of Emercom of Russia