Doosan DE12 Series User Manual

MAINTENANCE OF MAJOR COMPONENTS - 131 -
4.4. Turbocharger
4.4.1. Main data and specifications
1) Main data and specifications
2) Operating principle
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.
Specification DE12T DE12TI DE12TIS
Turbocharger Model TBP45 T45 GT42
At
maximum
output
Air pressure at
compressor outlet
Approx. 1.15 kg/cm
2
Approx. 1.2 kg/cm
2
Approx. 1.3 kg/cm
2
Air suction volume Approx. 20.0
m
3
/min
Approx. 22.0
m
3
/min
Approx. 22.5
m
3
/min
Speed of turbine
revolution
Approx. 90,000 rpm Approx. 96,000 rpm Approx. 94,000 rpm
Maximum allowable
112,800 rpm 113,000 rpm 109,000 rpm
Max. allowable
temperature of exhaust gas at turbine
inlet
750 °C 750 °C 750 °C
Lubricating system
External oil supply External oil supply External oil supply
Weight
14 kg 14 kg 14 kg

Doosan DE12 Series Specifications

General

Brand	Doosan
Model	DE12 Series
Category	Engine
Language	English