Transcription of DUAL FUEL ENGINES LATEST DEVELOPMENTS
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DUAL FUEL ENGINES LATEST DEVELOPMENTS
DUAL FUEL ENGINES LATEST DEVELOPMENTS Oskar Levander, Director, Concept design, MLS HAMBURG, 27 September 2011 1 W rtsil Oskar Levander Content Environmental and market drivers LNG as a marine fuel DF ENGINES RoRo concept design Machinery and fuel comparison Conclusions 27 September 2011 2 W rtsil Oskar Levander Factor trends: Environment 27 September 2011 3 W rtsil LOCAL GLOBAL LOCAL LOCAL Acid rains Tier II (2011) Tier III (2016) NOx Greenhouse effect Under evaluation by IMO CO2 Acid rains Sulphur content in fuel SOx Direct impact on humans Locally regulated Particulate matter Oskar Levander Until 27 September 2011 4 W rtsil Oskar Levander From now Established Emissions Controlled Areas Emissions Controlled Areas under consideration 27 September 2011 5
NOx reduction – IMO requirements and methods 0 800200 400 600 1000 1200 1400 1600 1800 2000 6 8 10 12 14 16 18 Ships built 2000 onwards 2 0 Specific NO x emissions (g/kWh) Rated engine speed (rpm)
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