15.11 FUEL SYSTEMS Flashcards
what are gas turbine engines fuel control systems divided into
hydromechanical, electronic, FADEC
what does FADEC stand for
full authority digital engine control
what does FMU stand for
fuel metering unit
what are the fuel system operation subsystems
fuel distribution, fuel control
what are the 3 main tasks of the fuel distribution system
safely supply fuel, pressurize fuel, heat fuel
what are the 2 types of engine driven fuel pump
constant displacement, non-constant displacement
what are the 3 most common fuel filters
micron, wafer screen, plain screen mesh
how can we protect connections of fluid lines
shrouded connections, double sealed connections
what are the 2 types of fuel nozzle used
simplex, duplex
whats the function on the fuel nozzles
supply correct fuel into combustion chamber
how is carbon formation prevented in the fuel system
check valve
where is the low pressure filter installed
between supply tanks and engine fuel system
where is the high pressure filter installed
between the fuel pump and fuel control