Operation of a Diesel Engine with Biogenous Oxymethylene Ethers

Autoren

Dipl.-Ing. Aleksandar Damyanov, Assoc. Prof. Dr. Peter Hofmann,
Technische Universität Wien, Wien;
Dipl.-Ing. Joachim Drack, Dipl.-Ing. Thomas Pichler, Priv.-Doz. Dipl.-Ing. Dr. Nikolaus Schwaiger, Univ.-Prof. Dipl.-Ing. Dr. techn. Matthäus Siebenhofer,
Technische Universität Graz, Graz

Zusammenfassung

Fuels from lignocellulosic biomass have the potential to contribute to the target of sustainable future mobility by reducing fossil CO2 emissions of the transport sector.
Of special interest for the diesel engine are oxygenated fuels, since they can help to solve traditional conflicts of objectives like the soot-NOx trade-off or the efficiency-NOx compromise. Oxymethylene ethers (OME) are among the most promising fuel candidates. The diesel engine suitability of these substances is investigated in this study. The fuels used are OME1 and OME2-6, injected in pure form as well as a diesel-biofuel blend with 20% OME share. The combustion tests are combined with an advanced analysis and economical assessment of oxymethylene ethers
production as 2^nd generation biofuels. OME shortcut production simulation showed a very high greenhouse gas savings potential, accompanied with high plant investment costs.

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