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Enhancing the Viability of a Promising E-Fuel: Oxymethylene Ether–Decanol Mixtures

Author

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  • Márton Virt

    (Department of Automotive Technologies, Budapest University of Technology and Economics, Műegyetem rkp. 3., 1111 Budapest, Hungary)

  • Máté Zöldy

    (Department of Automotive Technologies, Budapest University of Technology and Economics, Műegyetem rkp. 3., 1111 Budapest, Hungary)

Abstract

Achieving sustainable mobility is a crucial factor in maintaining long-term economic growth without adverse effects on human health and the environment. E-fuels, such as the promising oxymethylene ether (OME), can contribute to sustainable road transport. However, this compound does not meet the requirements of EN590; thus, it is unsuitable for unmodified diesel engines. This work aims to improve the applicability of OME by blending it with n-decanol, which can also be produced sustainably. Combustion and emissions were investigated in a medium-duty commercial diesel engine with different binary and ternary mixtures of oxymethylene ether, n-decanol, and B7 diesel. Laboratory analysis of six key mixture parameters revealed that the formulated blends met the EN590 requirements, with the exception of that of density. The results demonstrated that the created mixtures, including one without any diesel fuel, can be efficiently utilized in unmodified diesel engines. OME’s beneficial effects on combustion and emission were preserved while its viability was improved; a maximum increase of 7.6% in brake thermal efficiency was observed, alongside a potential decrease of nearly 70% in PM emissions at unaltered NO x levels.

Suggested Citation

  • Márton Virt & Máté Zöldy, 2024. "Enhancing the Viability of a Promising E-Fuel: Oxymethylene Ether–Decanol Mixtures," Energies, MDPI, vol. 17(6), pages 1-17, March.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:6:p:1348-:d:1355252
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    References listed on IDEAS

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