Turbocharger - Doosan DE12T Operation & Maintenance Manual

10.4. Turbocharger

10.4.1. Main data and specifications
1) Main data and specifications
Specification
Turbocharger Model
At maximum
output
Maximum allowable speed
Max. allowable temperature of
exhaust gas at turbine inlet
Lubricating system
Weight
2) Operating principle
Exhaust pipe
The turbocharger is a system designed to make use of the engine exhaust gas energy to charge
high-density air into the cylinders, thereby to increase the engine output.
Air pressure at
compressor outlet
Air suction volume
Speed of turbine
revolution
Turbine wheel and
shaft assembly
Turbine housing
Exhaust gas discharge
DE12T
Allied Signal T45
50Hz: Approx. 1.1 kg/cm
60Hz: Approx. 1.2 kg/cm
50Hz: Approx. 12.5 m
60Hz: Approx. 15.0 m
50Hz: Approx 79.270 rpm
60Hz: Approx. 86.850 rpm
110,072 rpm
750 ¡C
External oil supply
14 kg
Oil inlet
Oil outlet
- 155 -
P126TI/P126TI-
Allied Signal TV51
2 50Hz: Approx. 1.5 kg/cm
2 60Hz: Approx. 1.8 kg/cm
3 /min 50Hz: Approx.18.0 m
/min 60Hz: Approx. 23.6 m
3
50Hz: Approx. 75910 rpm
60Hz: Approx. 83150 rpm
105,414 rpm
750 ¡C
External oil supply
14 kg
Compressor
housing
Fresh
air inlet
Compressed
air folw
Compressor
wheel
Intake pipe
2
2
3 /min
/min
3
EM0A8001