Wartsila ?31DF Series User Manual

3.2 Wärtsilä 8V31DF
MEAUXAUXDEDE
Wärtsilä 8V31DF
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
44004400424044004240kWEngine 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)
8.46.68.46.68.16.48.46.68.16.4kg/sFlow at 100% load
4545454545°CTemperature at turbocharger in-
take, max.
60606060606060606060°CTemperature after air cooler (TE
601)
Exhaust gas system (Note 2)
8.77.48.77.48.17.18.77.48.17.1kg/sFlow at 100% load
7.46.17.46.16.95.97.46.16.95.9kg/sFlow at 85% load
6.65.56.95.46.45.26.95.46.45.2kg/sFlow at 75% load
5.03.84.93.84.63.74.93.84.63.7kg/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.
697657697657671647697657671647mmCalculated exhaust diameter for
35 m/s
Heat balance at 100% load (Note 3)
424360424360408344424360408344kWJacket water, HT-circuit
768504768504680472768504680472kWCharge air, HT-circuit
1296106413041072120810241304107212081024kWCharge air, LT-circuit
488408488408472392488408472392kWLubricating oil, LT-circuit
120120120120120120120120120120kWRadiation
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 3-3
3. Technical DataWärtsilä 31DF Product Guide

Wartsila ?31DF Series Specifications

General

Brand	Wartsila
Model	?31DF Series
Category	Engine
Language	English