Wärtsilä 8V31Df - Wartsila ?31DF Series Product Manual

Wärtsilä 31DF Product Guide
3.2 Wärtsilä 8V31DF
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
DBAE248994
DE
Gas Diesel Gas
mode mode mode
rpm 720
kW 530
Constant Constant
kW 4240
MPa 2.72
Tier 3 Tier 2 Tier 3
kg/s 6.4 8.1 6.6
°C 45
°C 60 60 60
kg/s 7.1 8.1 7.4
kg/s 5.9 6.9 6.1
kg/s 5.2 6.4 5.4
kg/s 3.7 4.6 3.8
°C 300 270 300
°C 350 270 350
°C 350 260 350
°C 370 280 370
kPa 7
mm 647 671 657
kW 344 408 360
kW 472 680 504
kW 1024 1208 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
DE AUX
Diesel Gas Diesel
mode mode mode mode
750 720
550 530
Constant
4400 4240
2.71 2.72
Tier 2 Tier 3 Tier 2 Tier 3
8.4 6.4 8.1
45 45
60 60 60
8.7 7.1 8.1
7.4 5.9 6.9
6.9 5.2 6.4
4.9 3.7 4.6
270 300 270
270 350 270
260 350 260
280 370 280
7 7
697 647 671
424 344 408
768 472 680
1304 1024 1208
488 392 472
120 120 120
- 7250 -
- 7300 -
- 7430 -
- 7790 -
- 7097 -
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 2 Tier 3 Tier 2
6.6 8.4 6.6 8.4
45 45
60 60 60 60
7.4 8.7 7.4 8.7
6.1 7.4 6.1 7.4
5.4 6.9 5.5 6.6
3.8 4.9 3.8 5.0
300 270 300 270
350 270 320 260
350 260 310 270
370 280 330 270
7 7
657 697 657 697
360 424 360 424
504 768 504 768
1072 1304 1064 1296
408 488 408 488
120 120 120 120
7280 - 7280 -
7350 - 7230 -
7500 - 7250 -
7820 - 7330 -
7128 - 7128 -
3-3