3.5
Wärtsilä 12V50DF
ME
DE
DE
Wärtsilä 12V50DF
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
975
975
950
kW
Cylinder output
514
514
500
rpm
Engine speed
11700
11700
11400
kW
Engine output
2.0
2.0
2.0
MPa
Mean effective pressure
Tier 2
Tier 3
Tier 2
Tier 3
Tier 2
Tier 3
IMO compliance
Combustion air system (Note 1)
21.9
18.3
22.5
18.3
22.5
18.3
kg/s
Flow at 100% load
45
45
45
°C
Temperature at turbocharger intake, max.
50
45
50
45
50
45
°C
Temperature after air cooler, nom. (TE 601)
Exhaust gas system
24.0
19.2
22.8
19.2
21.6
18.0
kg/s
Flow at 100% load
18.0
14.4
18.0
14.4
18.0
14.4
kg/s
Flow at 75% load
14.4
12.0
13.2
10.8
12.0
10.8
kg/s
Flow at 50% load
325
379
347
378
345
375
°C
Temperature after turbocharger at 100% load
(TE 517)
332
401
330
428
332
424
°C
Temperature after turbocharger at 75% load
(TE 517)
300
386
373
433
377
430
°C
Temperature after turbocharger at 50% load
(TE 517)
4
4
4
kPa
Backpressure, max.
1213
1133
1204
1132
1170
1093
mm
Calculated exhaust diameter for 35 m/s
Heat balance at 100% load (Note 2)
2040
1368
2016
1872
1932
1308
kW
Jacket water, HT-circuit
2736
1896
2604
1356
2424
1800
kW
Charge air, HT-circuit
1392
924
1260
924
1224
900
kW
Charge air, LT-circuit
1524
960
1500
948
1452
924
kW
Lubricating oil, LT-circuit
360
324
360
324
336
312
kW
Radiation
Fuel consumption (Note 3)
-
7460
-
7440
-
7410
kJ/kWh
Total energy consumption at 100% load
-
7580
-
7780
-
7740
kJ/kWh
Total energy consumption at 75% load
-
8080
-
8440
-
8410
kJ/kWh
Total energy consumption at 50% load
-
7412
-
7397
-
7365
kJ/kWh
Fuel gas consumption at 100% load
-
7511
-
7710
-
7677
kJ/kWh
Fuel gas consumption at 75% load
-
7979
-
8336
-
8300
kJ/kWh
Fuel gas consumption at 50% load
189
1.0
189
1.0
187
1.0
g/kWh
Fuel oil consumption at 100% load
185
1.5
188
1.5
187
1.5
g/kWh
Fuel oil consumption at 75% load
193
2.3
198
2.4
198
2.4
g/kWh
Fuel oil consumption 50% load
Fuel gas system (Note 4)
-
472
-
472
-
472
kPa (a)
Gas pressure at engine inlet, min (PT901)
-
592
-
592
-
592
kPa (a)
Gas pressure to Gas Valve unit, min
-
0...60
-
0...60
-
0...60
°C
Gas temperature before Gas Valve Unit
Wärtsilä 50DF Product Guide - a16 - 9 September 2016
3-11
3. Technical Data
Wärtsilä 50DF Product Guide
Summary of Contents for WARTSILA 50DF
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