MEAUXAUXDEDE
Wärtsilä 14V31DF
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
750750720750720rpmEngine speed
550550530550530kWCylinder output
VariableConstantConstantConstantConstantSpeed mode
77007700742077007420kWEngine output
2.712.712.722.712.72MPaMean effective pressure
Tier 3Tier 3Tier 3Tier 3Tier 3IMO compliance
Combustion air system (Note 1)
13.911.613.911.613.311.213.911.613.311.2kg/sFlow at 100% load
4545454545°CTemperature at turbocharger in-
take, max.
60606060606060606060°CTemperature after air cooler (TE
601)
Exhaust gas system (Note 2)
15.012.915.012.913.912.515.012.913.912.5kg/sFlow at 100% load
12.610.612.910.611.910.412.910.611.910.4kg/sFlow at 85% load
11.39.711.89.410.99.111.89.410.99.1kg/sFlow at 75% load
8.76.78.56.68.06.48.56.68.06.4kg/sFlow at 50% load
285300285300285300285300285300°CTemperature after turbocharger
at 100% load (TE 517)
285320285350285350285350285350°CTemperature after turbocharger
at 85% load (TE 517)
285310285350285350285350285350°CTemperature after turbocharger
at 75% load (TE 517)
285330285370285370285370285370°CTemperature after turbocharger
at 50% load (TE 517)
77777kPaBackpressure, max.
926870926870890855926870890855mmCalculated exhaust diameter for
35 m/s
Heat balance at 100% load (Note 3)
742630742630714602742630714602kWJacket water, HT-circuit
13028821288882113482612888821134826kWCharge air, HT-circuit
2240186222541876208617922254187620861792kWCharge air, LT-circuit
854714854714826686854714826686kWLubricating oil, LT-circuit
210210210210210210210210210210kWRadiation
Fuel consumption (Note 4)
(Note 5)
-7280-7280-7250-7280-7250kJ/kWhTotal energy consumption at
100% load
-7230-7350-7300-7350-7300kJ/kWhTotal energy consumption at 85%
load
-7250-7500-7430-7500-7430kJ/kWhTotal energy consumption at 75%
load
-7330-7820-7790-7820-7790kJ/kWhTotal energy consumption at 50%
load
-7128-7128-7097-7128-7097kJ/kWhFuel gas consumption at 100%
load
-7059-7171-7121-7171-7121kJ/kWhFuel gas consumption at 85%
load
DBAE248994 3-31
3. Technical DataWärtsilä 31DF Product Guide