Main Engine 4-Stroke · Main Engines (4-Stroke)
This advanced dual-fuel engine from Wärtsilä, the 16VW50DF, delivers an impressive power output of 15200 kW at 514 RPM. The V-shaped, 16-cylinder configuration ensures robust performance with a bore of 500 mm and a stroke of 580 mm. This 4-stroke engine is designed to operate on both LNG and HFO, making it versatile for various marine applications. The mean effective pressure (MEP) ranges from 25.5 bar at 900 RPM to 24 bar at 1000 RPM, while the piston speed varies between 9.6 m/s at 900 RPM and 10.7 m/s at 1000 RPM. The engine's displacement per cylinder is 17 liters, and it maintains a specific fuel oil consumption (SFOC) of 186-192 g/kWh under ISO conditions at 85% load. It is turbocharged with an intercooler to enhance efficiency and meets IMO Tier II emission standards. Regular maintenance is crucial, particularly for issues such as piston ring wear, cold corrosion in cylinder liners, liner glazing, turbocharger bearing wear, and fuel injection nozzle coking. These potential failures can be mitigated through visual inspections, monitoring oil conditions, and ensuring proper engine operation and fuel quality.
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