TY CONF TI MODERN AIRCRAFT ENGINES: HISTORY, DESIGN, NEW TECHNOLOGIES, AND ENVIRONMENTAL PROSPECTS KW Aircraft engines KW gas turbine units KW piston engines KW turbofan engines KW rocket engines KW materials KW additive technologies KW digital control systems KW PD-14 KW PD-35 KW environmental friendliness KW hybrid and electric engines KW Russian aviation industry JO PROBLEMS AND PROSPECTS IN SYSTEMS AND PROCESS MODELING AU Skvorcova, E.I. AU Zolnikov, V.K. AU Yagodkin, A.S. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov