? W?rtsil?PUBLIC
W?RTSIL? 31
Johan K?lax
23.5.201631 External / J K?lax]
1
31 External / J K?lax]
? W?rtsil?PUBLIC
23.5.201631 External / J K?lax]
3W?RTSIL? MARINE ENGINE PORTFOLIO -DIESEL
2 000
4 000
6 000
8 000
10 000
12 000
14 000
16 000
18 000
20 000
W?rtsil? 46F
W?rtsil? 38
W?rtsil? 31
W?rtsil? 32
W?rtsil? 26
W?rtsil? 20
kW
? W?rtsil?PUBLIC
23.5.201631 External / J K?lax]
4W?RTSIL? MARINE ENGINE PORTFOLIO –DUAL FUEL
0 2 000 4 000 6 0008 00010 00012 00014 00016 00018 00020 000
W?rtsil? 46 DF
W?rtsil? 50DF
W?rtsil? 31 DF
W?rtsil? 34 DF
W?rtsil? 20 DF
kW
? W?rtsil?
PUBLIC
23.5.2016
31 External / J K?lax]
6W?RTSIL? 31 –FUEL FLEXIBILITY
?The most comprehensive portfolio offering in the market ?The easiest accessible/maintainable design ?The highest level of commonality
?The least amount of work at fuel conversions
Diesel
Dual-Fuel
Gas
23.5.201631 External / J K?lax]
? W?rtsil?
PUBLIC23.5.201631 External / J K?lax]
8
The Technology
? W?rtsil?PUBLIC
23.5.201631 External / J K?lax]
9W?RTSIL? 31 –TECHNOLOGIES IN A NUTSHELL
?2-stage Turbocharging for all configurations ?Free end (FE)
?Flywheel end (DE)
?Digitally controlled fuel injection
?Fully adjustable semi-hydraulic valve actuation (VIC/VEC)
?Variable Inlet valve Closing ?Variable Exhaust valve Closing ?New generation UNIC control system ?Full power PTO available ?Noise attenuation covers
? W?rtsil?PUBLIC
23.5.201631 External / J K?lax]
10HIGH EFFICIENCY ENGINE TUNING
?Primary method: Miller cycle ?Very early inlet valve closing ?
High efficiency turbo-charging system (Supplier: ABB)
?Secondary methods:
?Reduced internal heat losses ?Reduced friction losses ?Support mechanisms
?2-Stage turbocharging to achieve correct air flow
?Steplessly adjustable inlet valve closing
?Adjustable exhaust valve closing
? W?rtsil?PUBLIC
23.5.201631 External / J K?lax]
14REDUCED NOISE
Crankcase covers
Covers for engine top part
Special crankcase covers and complete enclosure of
engine top part with special covers
AUTOMATION SYSTEM
?New generation UNIC with increased computational capacity
?Key element in reaching the highest efficiency
?Digital heavy-duty touch screen+buttons
? W?rtsil?PUBLIC23.5.201631 External / J K?lax]
15
? W?rtsil?
PUBLIC23.5.201631 External / J K?lax]
16
Validation
? W?rtsil?PUBLIC
23.5.201631 External / J K?lax]
17VALIDATION
?Pre-validation at extreme environment
?Dedicated and fundamental tools for combustion concepts
?Verification in early phase of development projects
?Several other rigs also used:?Fuel injection system ?Valve mechanism ?Automation ?Etc…
W31 balancing rig
Single Cylinder Engine
Rig and single-cylinder engine
10V31 SG
10V31 DF
8V3120V31 SG,
soon ...
? W?rtsil?
PUBLIC23.5.201631 External / J K?lax]
19
Value proposition
? W?rtsil?PUBLIC
169
170171172173174175176177178179180500
520
540
560
580
600
620
F u e l c o n s u m p t i o n g /k W h
Cylinder power kW
SFOC g/kWh / 85% load
23.5.201631 External / J K?lax]
20THE LOWEST FUEL CONSUMPTION IN 32 BORE SEGMENT
*) with 5 % tolerance and without pumps, Fuel LFO Source; respective home pages & Product manuals
W?RTSIL? 31
Competition