The IMO’s Energy Efficiency Design Index (EEDI) mandates efficiency benchmarks for a range of ship types and sizes. The EEDI is a non-prescriptive, performance-based mechanism which is being progressively tightened to drive development of more fuel efficient systems.
Lachlan’s presentation explored recent developments by MAN Diesel & Turbo’s four-stroke Marine Engine Division to improve the fuel efficiency of propulsion systems, including diesel-electric and hybrid technologies. It also highlighted some incremental benefits being achieved by implementing more-efficient engine systems including lubrication and cooling systems.
Eric’s presentation looked at the approach taken by MAN Diesel & Turbo in the development of their two-stroke marine engine range from MC to ME, including the introduction of electronic fuel-injection control on its large-bore ME-C engines and the advantages which it brings. These include improved emission characteristics, smokeless operation at any load and lower NOx on command. These advantages are gained by the use of variable, electronically-controlled timing of fuel injection and exhaust valves during operation. Additionally, all software and hardware are upgradable for the lifetime of the engine.
The vote of thanks was proposed, and the certificate and “thank you” bottle of wine presented, by Len Michaels.
