TY JOUR TI Experimental verification of the theoretical model of operation of the PVM-200 steam screw expander machine for power supply of forest terminals KW forest terminal KW biofuel KW steam screw machine KW energy stability KW statistical analysis KW mathematical model KW experimental verification JO Forestry Engineering Journal AU Petrusha, S.V. AU Tihonov, E.A. AU Morkovin, V.A. AU Kunitskaya, O.A. AU Perfil'ev, P.N. AU Revyako, S.I. PY 2026 IS 16 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov