WÄRTSILÄ
NEW ELECTRONICALLY-CONTROLLED 2-STROKE ENGINES
WÄRTSILÄ X62 & WÄRTSlLÄ X72
3rd Iron Ore & Coal World Shipping Summit Athens, October 2011
1 © Wärtsilä Wärtsilä 2-stroke / W-X62 & W-X72
Improved efficiency, reduced fuel costs & emissions
One family of engines for future ships
Capesize Bulk carrier New W-X72 engine
Feeder / Panamax Container New W-X62/72 engine
Panamax Bulk carrier New W-X62 engine
Aframax / Suezmax Tanker New W-X62/72 engine
100,000 - 210,000 dwt 80,000 – 200,000 dwt
60,000 – 100,000 dwt 1,600 – 4,500 TEU
2 © Wärtsilä Wärtsilä 2-stroke / W-X62 & W-X72
Increased Total Efficiency
Propeller Engine De-Rating Total
W-X62 * ~ 1-5% ~ 2% ~ 2-3% 5-10%
W-X72 * ~ 2-6% ~ 1% ~ 2-3% 5-10%
* Versus today´s solution
3 © Wärtsilä Wärtsilä 2-stroke / W-X62 & W-X72
Increased total efficiency: Aframax tanker with W-X62
Particulars – base design • Vessel service speed = 15.3 knots • CMCR power = 13,560 kW at 105 rpm • CSR load = 90% • Service power = 12,204 kW • Propeller speed at service power = 101.4 rpm • Assumed propeller diameter = 7.2 m
Particulars – W6X62 • Vessel service speed = 15.3 knots • CMCR power = 13,000 kW at 91 rpm • CSR load = 90% • Service power = 11,700 kW • Propeller speed at service power = 87.9 rpm • Assumed propeller diameter = 7.5 m
Photo: Aframax tanker
4 © Wärtsilä Wärtsilä 2-stroke / W-X62 & W-X72
Base design W6X62 Vessel speed 15.3 knots 15.3 knots
Service load 90% 90%
CSR power 12,204 kW 11,700 kW
CSR speed 101.4 rpm 87.9 rpm
BSFC at CSR 166.7 g/kWh 161.5 g/kWh
Daily fuel consumption1 (MDO) 48.83 t 45.30 t
Daily fuel consumption 100% 92.7%
Daily fuel consumption1 (HFO) 51.48 t 47.80 t
HFO difference per day - 3.7 t Annual HFO savings2 - 555,000 $ Annual CO2 reduction - 2,850 t
1 LCV of MDO = 42,700kJ/kg / HFO = 40,500kJ/kg 2 HFO price = 600USD/tonne, 250 days/year
5 © Wärtsilä Wärtsilä 2-stroke / W-X62 & W-X72
Increased total efficiency: Aframax tanker with W-X62
EEDI for Aframax tanker propulsion with W-X62
Aframax range
6 © Wärtsilä Wärtsilä 2-stroke / W-X62 & W-X72
EE
DI (
g / t
on –
nm
)
Deadweight at load line draft (tons)
EEDI FOR STANDARD OIL TANKERS
Increased total efficiency: Capesize bulk carrier with W-X72
Particulars – W6X72 • Vessel service speed = 15.1 knots • CMCR power = 18,100 kW at 82 rpm • CSR load = 90% • Service power = 16,290 kW • Propeller speed at service power = 79.2 rpm • Assumed propeller diameter = 8.7m
7 © Wärtsilä Wärtsilä 2-stroke / W-X62 & W-X72
Particulars – base design • Vessel service speed = 15.1 knots • CMCR power = 18,780 kW at 95 rpm • CSR load = 90% • Service power = 16,902 kW • Propeller speed at service power = 91,7 rpm • Assumed propeller diameter = 8.2 m
Photo: Capesize bulk carrier
Increased total efficiency: Capesize bulk carrier with W-X72
Base design W6X72 Vessel speed 15.1 knots 15.1 knots
Service load 90% 90%
CSR power 16,902 kW 16,290 kW
CSR speed 91.7 rpm 79.2 rpm
BSFC at CSR 167.3 g/kWh 161.2 g/kWh
Daily fuel consumption1 (MDO) 67.90 t 63.00 t
Daily fuel consumption 100% 92.7%
Daily fuel consumption1 (HFO) 71.60 t 66.50 t
HFO difference per day - 5.1 t Annual HFO savings2 - 765,000 $ Annual CO2 reduction - 4,050 t
1 LCV of MDO = 42,700kJ/kg / HFO = 40,500kJ/kg 2 HFO price = 600USD/tonne, 250 days/year
8 © Wärtsilä Wärtsilä 2-stroke / W-X62 & W-X72
EEDI for Capesize bulk carrier propulsion with W-X72
9 © Wärtsilä Wärtsilä 2-stroke / W-X62 & W-X72
Capesize range
EE
DI (
g / t
on –
nm
)
Deadweight at load line draft (tons)
EEDI FOR STANDARD BULK CARRIERS
Reduced Total Cost of Ownership
10 © Wärtsilä Wärtsilä 2-stroke / W-X62 & W-X72
Strong focus in optimizing the Total Cost of Ownership. Targets: • Reduce by 20% maintenance cost
• Reduce spare part prices • 5 years TBO for major overhaul
• Optimize lube oil feedrate • Guide feedrate 0,6 g/kWh • Fuel sulphur contents (0à5%)
• Reduced maintenance cost by increasing crew maintenance jobs
• User-friendly engine, tools & e-learning
• Reduce off-hire risks by increased reliability (proven technology) and redundancy
Design for lower manufacturing & assembly cost
• Experience • Modularity between W-X62 and W-X72 • Co-operations with engine builders à localization and production know-how • Communication with shipyards à installation on the ship
Improved installation features
• Improve engine installation at shipyard
• Improve platform, piping, electrical connections, etc.
• All ancillaries optimised for lower initial capital expenditure, reduced installation costs and lower operating costs
X Y
12 © Wärtsilä Wärtsilä 2-stroke / W-X62 & W-X72
Tier III solutions – SCR
Catalyst before the turbocharger for 2-stroke Available today from Wärtsilä • First 2 SCR installations 1999 and 2000
• 3 RoRo vessels of Wagenborg with 7RTA52U
• M/V “Spaarneborg”
• M/V “Schieborg”
• M/V “Slingeborg)
• 10 years operation
• >70 000 running hours per SCR; replaced once
13 © Wärtsilä Wärtsilä 2-stroke / W-X62 & W-X72
Development of integrated SCR on the engine
Under development
Wärtsilä 2-stroke / W-X62 & W-X72 14 © Wärtsilä
Tier III solutions – Low pressure gas technology
Gas technology for 2-stroke under development • New benchmark for low speed engines
running on gas
• Low pressure gas test engine (RTX5) successfully tested on 19th Sept. 2011
• Tier III compliant • Vast experience from low pressure 4-
stroke Dual Fuel engines
Summary of benefits for owners
o LOW FUEL COSTS
o HIGH TOTAL EFFICIENCY
o REDUCED EMISSIONS (TIER II / III)
o WIDE APPLICATIONS
o HIGH RELIABILITY
o PROVEN TECHNOLOGY (10 YRS)
o LOW OPERATING COSTS
o SERVICE-FRIENDLINESS
o LOW CAPITAL & ASSEMBLY COST
o OPTIMIZED FIT TO SHIP
o COMPACT ENGINE
o PLANNED DUAL FUEL
15 © Wärtsilä Wärtsilä 2-stroke / W-X62 & W-X72