Photo from the personal collection of Konstantinos Panitsidis
D-18T (III) is a triple-drive shaft, high-bypass turbofan, it is intended for installation in An-124, An-124-100, An-225 aircraft.
Main advantages D-18T (III)
-the engine has a large take-off thrust
-low specific fuel consumption
-high performance system
-low levels noise
-low levels of emission
-service life up to 20.000 h.
The engine design is based on the principle of modular assembly.
1. Inlet fairing 2. Fan 3. Fan shaft with bearing 4. Fan casing 5. Blade directing vanes fan 6. Medium pressure compressor 7. Exhaust nozzle 8. Turbine exhaust cone 9. Rear mount 10. Rear bearing 11. Fan turbine 12. Medium pressure compressor rotor 13. Turbine case bearing 14. High pressure turbine rotor 15. High pressure nozzle guide vanes 16. Combustion chamber 17. Thrust reverser 18. Main engine module 19. Gear box (gearbox) 20. Intermediate drive (gear) 21. High pressure directing vanes Combustion chamber with directing vanes high pressure turbine.
|Fuel||RT, TS-1, T-1|
|Oil||MPM-10 OST.3801294-83, VNII 50-1-4F (GOST 13076-86), Mobil Turbo 319A-2|
|Max thrust take-off power rating||23.400 kgf|
|Specific fuel consumption, take-off power rating||0,345 kg/kgf. h|
|Max thrust, cruise power||4.860 kgf (H=11.000 m, M=0,75)|
|Specific fuel consumption, cruise power||0,546 kg/kgf. h|
|Pressure ratio, take-off power rating||25|
|Temperature of the gas at the turbine intake, take-off power rating||1.610 K|
|Air flow rate, take-off power rating||760 kg/sec|
|Compressor rotation frequency low-pressure, take-off power rating||5.900 rpm|
|Compressor rotation frequency high-pressure, take-off power rating||9.100 rpm|
|Specified service life||20.000 hour|