Wartsila ?31DF Series Product Manual page 31

Wärtsilä 31DF Product Guide
Wärtsilä 8V31DF
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 4240
MPa 2.72
Tier 3
kg/s 6.4 7.6 6.6
°C 45
°C 60 60 60
kg/s 7.1 7.9 7.4
kg/s 5.9 6.8 6.1
kg/s 5.2 6.2 5.4
kg/s 3.7 4.6 3.8
°C 300 285 300
°C 350 285 350
°C 350 285 350
°C 370 285 370
kPa 7
mm 647 673 657
kW 344 408 360
kW 472 648 504
kW 1024 1192 1072
kW 392 472 408
kW 120 120 120
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
4400 4240
2.71 2.72
Tier 3 Tier 3
7.9 6.4 7.6
45 45
60 60 60
8.6 7.1 7.9
7.4 5.9 6.8
6.7 5.2 6.2
4.9 3.7 4.6
285 300 285
285 350 285
285 350 285
285 370 285
7 7
700 647 673
424 344 408
736 472 648
1288 1024 1192
488 392 472
120 120 120
- 7250 -
- 7300 -
- 7430 -
- 7790 -
- 7097 -
- 7121 -
3. Technical Data
AUX ME
Gas Diesel Gas Diesel
mode mode mode
750 750
550 550
Constant Variable
4400 4400
2.71 2.71
Tier 3 Tier 3
6.6 7.9 6.6 7.9
45 45
60 60 60 60
7.4 8.6 7.4 8.6
6.1 7.4 6.1 7.2
5.4 6.7 5.5 6.5
3.8 4.9 3.8 5.0
300 285 300 285
350 285 320 285
350 285 310 285
370 285 330 285
7 7
657 700 657 700
360 424 360 424
504 736 504 744
1072 1288 1064 1280
408 488 408 488
120 120 120 120
7280 - 7280 -
7350 - 7230 -
7500 - 7250 -
7820 - 7330 -
7128 - 7128 -
7171 - 7059 -
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