Wartsila ?31DF Series Product Manual page 55

Wärtsilä 31DF Product Guide
Wärtsilä 14V31DF
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 7420
MPa 2.72
Tier 3
kg/s 11.2 13.3 11.6
°C 45
°C 60 60 60
kg/s 12.5 13.9 12.9
kg/s 10.4 11.9 10.6
kg/s 9.1 10.9 9.4
kg/s 6.4 8.0 6.6
°C 300 285 300
°C 350 285 350
°C 350 285 350
°C 370 285 370
kPa 7
mm 855 890 870
kW 602 714 630
kW 826 1134 882
kW 1792 2086 1876
kW 686 826 714
kW 210 210 210
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
7700 7420
2.71 2.72
Tier 3 Tier 3
13.9 11.2 13.3
45 45
60 60 60
15.0 12.5 13.9
12.9 10.4 11.9
11.8 9.1 10.9
8.5 6.4 8.0
285 300 285
285 350 285
285 350 285
285 370 285
7 7
926 855 890
742 602 714
1288 826 1134
2254 1792 2086
854 686 826
210 210 210
- 7250 -
- 7300 -
- 7430 -
- 7790 -
- 7097 -
- 7121 -
3. Technical Data
AUX ME
Gas Diesel Gas Diesel
mode mode mode
750 750
550 550
Constant Variable
7700 7700
2.71 2.71
Tier 3 Tier 3
11.6 13.9 11.6 13.9
45 45
60 60 60 60
12.9 15.0 12.9 15.0
10.6 12.9 10.6 12.6
9.4 11.8 9.7 11.3
6.6 8.5 6.7 8.7
300 285 300 285
350 285 320 285
350 285 310 285
370 285 330 285
7 7
870 926 870 926
630 742 630 742
882 1288 882 1302
1876 2254 1862 2240
714 854 714 854
210 210 210 210
7280 - 7280 -
7350 - 7230 -
7500 - 7250 -
7820 - 7330 -
7128 - 7128 -
7171 - 7059 -
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