TY JOUR TI THERMAL PHYSICAL MODEL AND RESULTS OF EXPERIMENTAL STUDY OF GASIFICATION OF WOOD AND PLANT WASTES KW environmental safety KW thermophysical model KW gas generator KW wood and plant waste KW generator gas JO Problems of risk management in the technosphere AU Vetrov, I.M. AU Shemyakina, I.E. AU Medvedeva, L.V. PY 2024 IS 2024 PB Saint-Petersburg University of State Fire Service of Emercom of Russia