WinGD X72 - Page 40

Operation0050−1/A1
Winterthur Gas & Diesel Ltd.
2/ 2
D The exhaust gases flow from the cylinders through the exhaust valves into an
exhaust gas manifold.
D The turbocharger constantly charges the gas pressure from the manifold.
D The scavenge air from the turbocharger flows through the air cooler and water
separator into the air receiver. This air then flows through air flaps and scavenge
ports when the pistons are almost at BDC.
D At low loads, independently operated auxiliary blowers supply air to the scavenge
air space.
3. Standard Engine Data
The standard engine data is given in Table 1 below:
Table 1: Engine Data
Bore /
Stroke
Rating
Field
Corners
1)
Speed
n
Engine
Power
P
Specific Fuel Consumption
+5% Tolerance
100% P
2)
Standard Tuning
Number of
Cylinders
Mean
Piston
Speed
Mean
Effective
Pressure
Firing
Pressure
Guide
Values
3)
mm RPM kW/cyl g/kWh m/s bar bar
720
3086
R1+
R2+
R1
R2
R3
R4
89
89
84
84
66
66
3610
2700
3610
2700
2840
2120
167
161
168
161
168
161
4 to 8 9.2
9.2
8.6
8.6
6.8
6.8
19.4
14.5
20.5
15.4
20.5
15.4
168
168
168
168
168
168
1) R1+ to R4: Corner points of the field of permitted engine ratings.
2) For the nett calorific value 42.7 MJ/kg (10,200 kcal/kg) and ISO standard
conditions:
D Total barometric pressure: 1.0 bar
D Suction air temperature: 25° C
D Water temperature − scavenge air cooling: 25° C
D The fuel consumption values in g/kWh are the standard values
D For the SFC values of Delta tuning and Low load tuning, refer to the last
version of WinGTD
3) The firing pressure on an engine can be lower that the guide value given in the
table above.
2016−11
Short Description of the Engine