Wartsila ?31DF Series Product Manual page 47

Wärtsilä 31DF Product Guide
Wärtsilä 12V31DF
Engine speed
Cylinder output
Speed mode
Engine output
Mean effective pressure
IMO compliance
Combustion air system (Note 1)
Flow at 100% load
Temperature at turbocharger in-
take, max.
Temperature after air cooler (TE
601)
Exhaust gas system (Note 2)
Flow at 100% load
Flow at 85% load
Flow at 75% load
Flow at 50% load
Temperature after turbocharger
at 100% load (TE 517)
Temperature after turbocharger
at 85% load (TE 517)
Temperature after turbocharger
at 75% load (TE 517)
Temperature after turbocharger
at 50% load (TE 517)
Backpressure, max.
Calculated exhaust diameter for
35 m/s
Heat balance at 100% load (Note 3)
Jacket water, HT-circuit
Charge air, HT-circuit
Charge air, LT-circuit
Lubricating oil, LT-circuit
Radiation
Fuel consumption (Note 4)
(Note 5)
Total energy consumption at
100% load
Total energy consumption at 85%
load
Total energy consumption at 75%
load
Total energy consumption at 50%
load
Fuel gas consumption at 100%
load
Fuel gas consumption at 85%
load
DBAE248994
DE
Gas Diesel Gas
mode mode mode
rpm 720
kW 530
Constant Constant
kW 6360
MPa 2.72
Tier 3
kg/s 9.6 11.4 9.9
°C 45
°C 60 60 60
kg/s 10.7 11.9 11.0
kg/s 8.9 10.2 9.1
kg/s 7.8 9.4 8.0
kg/s 5.5 6.8 5.6
°C 300 285 300
°C 350 285 350
°C 350 285 350
°C 370 285 370
kPa 7
mm 792 824 805
kW 516 612 540
kW 708 972 756
kW 1536 1788 1608
kW 588 708 612
kW 180 180 180
kJ/kWh 7250 - 7280
kJ/kWh 7300 - 7350
kJ/kWh 7430 - 7500
kJ/kWh 7790 - 7820
kJ/kWh 7097 - 7128
kJ/kWh 7121 - 7171
DE AUX
Diesel Gas Diesel
mode mode mode mode
750 720
550 530
Constant
6600 6360
2.71 2.72
Tier 3 Tier 3
11.9 9.6 11.4
45 45
60 60 60
12.8 10.7 11.9
11.0 8.9 10.2
10.1 7.8 9.4
7.3 5.5 6.8
285 300 285
285 350 285
285 350 285
285 370 285
7 7
857 792 824
636 516 612
1104 708 972
1932 1536 1788
732 588 708
180 180 180
- 7250 -
- 7300 -
- 7430 -
- 7790 -
- 7097 -
- 7121 -
3. Technical Data
AUX ME
Gas Diesel Gas Diesel
mode mode mode
750 750
550 550
Constant Variable
6600 6600
2.71 2.71
Tier 3 Tier 3
9.9 11.9 9.9 11.9
45 45
60 60 60 60
11.0 12.8 11.0 12.8
9.1 11.0 9.1 10.8
8.0 10.1 8.3 9.7
5.6 7.3 5.8 7.4
300 285 300 285
350 285 320 285
350 285 310 285
370 285 330 285
7 7
805 857 805 857
540 636 540 636
756 1104 756 1116
1608 1932 1596 1920
612 732 612 732
180 180 180 180
7280 - 7280 -
7350 - 7230 -
7500 - 7250 -
7820 - 7330 -
7128 - 7128 -
7171 - 7059 -
3-23