Wartsila ?31DF Series User Manual

3.4 Wärtsilä 12V31DF
MEAUXAUXDEDE
Wärtsilä 12V31DF
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
66006600636066006360kWEngine output
2.712.712.722.712.72MPaMean effective pressure
Tier 2Tier 3Tier 2Tier 3Tier 2Tier 3Tier 2Tier 3Tier 2Tier 3IMO compliance
Combustion air system (Note 1)
12.69.912.69.912.29.612.69.912.29.6kg/sFlow at 100% load
4545454545°CTemperature at turbocharger in-
take, max.
60606060606060606060°CTemperature after air cooler (TE
601)
Exhaust gas system (Note 2)
13.111.013.111.012.110.713.111.012.110.7kg/sFlow at 100% load
11.09.111.29.110.38.911.29.110.38.9kg/sFlow at 85% load
10.08.310.38.09.67.810.38.09.67.8kg/sFlow at 75% load
7.45.87.35.66.85.57.35.66.85.5kg/sFlow at 50% load
270300270300270300270300270300°CTemperature after turbocharger
at 100% load (TE 517)
260320270350270350270350270350°CTemperature after turbocharger
at 85% load (TE 517)
270310260350260350260350260350°CTemperature after turbocharger
at 75% load (TE 517)
270330280370280370280370280370°CTemperature after turbocharger
at 50% load (TE 517)
77777kPaBackpressure, max.
853805853805821792853805821792mmCalculated exhaust diameter for
35 m/s
Heat balance at 100% load (Note 3)
636540636540612516636540612516kWJacket water, HT-circuit
11527561152756102070811527561020708kWCharge air, HT-circuit
1944159619561608181215361956160818121536kWCharge air, LT-circuit
732612732612708588732612708588kWLubricating oil, LT-circuit
180180180180180180180180180180kWRadiation
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
DBAE248994 3-19
3. Technical DataWärtsilä 31DF Product Guide

Wartsila ?31DF Series Specifications

General

Brand	Wartsila
Model	?31DF Series
Category	Engine
Language	English