Combustion engineering Combustion 33 Heat 17 Transmission 17 Internal combustion engines 9 Fluid dynamics 8 Environmental aspects 7 Jet propulsion 7 Turbulence 6 Environmental protection 5 Mathematical models 5 Mathematics 5 Numerical analysis 5 Handbooks, manuals, etc 4 High temperature chemistry 4 Intermetallic compounds 4 Materials at high temperatures 4 Research 4 Combustion chambers 3 Combustion deposits in engines 3 Combustion gases 3 Computer simulation 3 Equipment and supplies 3 Flame 3 Heating 3 Industrial applications 3 Liquid fuels 3 Biomass 2 Biomass gasification 2 Congresses 2