THE WÄRTSILÄ 31 CIMAC NMA NORGE Christer Wik Laboratory Manager, Vaasa, Testing & Validation BREAKING THE LIMITS 1 / Draft

Transcription

1 THE WÄRTSILÄ 31 BREAKING THE LIMITS CIMAC NMA NORGE Christer Wik Laboratory Manager, Vaasa, Testing & Validation 1

2 Contents Development drivers Wärtsilä 31 engine overview Design & technology enablers Mechanical & performance test results Conclusions 2

3 Development drivers High level Emission regulations Total cost of ownership 0 Operational flexibility Change in specific fuel consumption from W32 [%] Low load optimized High load optimized Engine Shaft Power Output [% of MCR] Reliability 3

4 Development drivers Wärtsilä 31 Targets Efficiency levels Higher than 50% Fuel flexibility 3-in-1 Operational flexibility Your choice Environmental footprint Reduced impact on all Reliability & Serviceability Do less, earn more 4 37 October 2015 W31 Holland R.Ollus

5 Contents Development drivers Wärtsilä 31 engine overview Design & technology enablers Mechanical & performance test results Conclusions 5

6 Wärtsilä 31 engine overview 6

7 Wärtsilä 31 engine overview Design parameters Pure Gas Diesel Dual Fuel Bore (mm) 310 mm 310 mm 310 mm Stroke (mm) 4 mm 4 mm 4 mm Nom. speed (rpm) Max. outputcyl (kw), Marine Cylinder configurations, Marine 8V31 10V31 12V31 14V31 16V31 3 in 1 7

8 Quality focused product development process Product requirement & product definition *) Lab testing & validation 6 Product quality & Risk management Product architecture & configurations 4 3 Rig and singlecylinder testing *) incl. field feed-back from current engines Virtual validation & Reliability Engineering 9

9 Wärtsilä 31 engine overview Lab & pilot engines 10V31 SG 10V31 DF 8V31 20V31 SG, soon... 11

10 Contents Development drivers Wärtsilä 31 engine overview Design & technology enablers Mechanical & performance test results Conclusions 12

11 Design & technology enablers For higher efficiency & flexibility Digitally controlled fuel injection Fully adjustable semi-hydraulic valve actuation Variable Inlet valve Closing Variable Exhaust valve Closing 2-stage turbocharging system Optimal engine parameters for high boost & efficiency New generation UNIC control system 13

12 Wärtsilä 31 Turbocharging system 2-stage turbocharging enables high efficiency Low inertia of high pressure turbocharger enables better load acceptance Servicebility improved by use of cartridge concept for compressor and turbine removal Low pressure turbocharger High pressure turbocharger Enable for higher efficiency and improved operating flexibility 18

13 Design & technology enablers Automation UNIC 2.0, Performance UNIC² IS PERFORMANCE ENABLER Adaptive de-rating acc. to site conditions Combustion control at high BMEP Self tuning engine Stepless VIC, VEC, Common rail, Increased engine loading capability Fuel flexibility & fuel sharing Grid code compliancy ENGINE AVAILABILITY & RELIABILITY On-board diagnostics Integrated test modes Redundant modes, virtual sensors UNIC 2 enables exploration of new controls and functionalities 19

14 Contents Development drivers Wärtsilä 31 engine overview Design & technology enablers Mechanical & performance test results Conclusions 22

15 Case study Annual fuel consumption Vessel: TSHD 8000 cbm Propulsion power: 7 MW Vessel operation time: 60 hrs year 100% 98% 96% 94% 92% 90% 100,0 % 96,5 % 215,000 EUR savings per year 93,5 % Competitor Wärtsilä 32 Wärtsilä 31 Up to 2 m Genset lenght * Fuel price MDO 450 EURton September 1 October 2015 W31 for Schiedam C. Contessi

16 Thank you. Christer Wik