Vaikutuksen kuvausThe research group of Thermodynamics and Combustion Technology in the Department of Mechanical Engineering (ME), Aalto’s School of Engineering, has carried out long-term research to develop new scientific knowledge for combustion technology in the field of transport and industrial applications. Two specific cases and their long term industrial impact are highlighted here.
Problem: Road transport greenhouse gas (GHG) reduction with simultaneous reduction of local emissions. Target: To find and validate a fuel from renewable sources that could solve both problems, even partly. Action: Engine combustion studies were carried out with paraffinic high cetane number (CN) fuel made by Neste; the studies validated that the fuel performance is excellent. Impact: Neste’s renewable diesel was shown to perform remarkably better than crude oil based diesel fuel or traditional fatty acid methyl ester based biodiesel. This fuel is now widely adopted in Nordic countries and globally too.
Problem: Marine transport GHG reduction through high-efficiency high-power engines. Target: To find and validate solutions for increased marine engine performance. Action: A demonstrator research engine was designed and built, engine combustion studies with high firing pressure were carried out, the effect of high charge air pressure and Miller- timing was studied. Impact: Manufacturer Wärtsilä adopted these technologies in the new Wärtsilä 31 model with a record high efficiency and power output.
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