Artificial Neural Network Based Prediction of Engine Combustion and Emissions from a High Resolution Dataset

Virt, Marton; Zöldy, Máté

doi:10.1109/cogmob55547.2022.10118200

Cited by 2 publications

(1 citation statement)

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“…The oxygen content of a fuel can also increase NO x emissions. Still, the change is usually marginal given that oxygen molecules in the air primarily contribute to the oxidation of nitrogen [45]. Figure 3 demonstrates the NO x -PM trade-off resulting from various EGR positions with the tested fuels.…”

Section: Emissionsmentioning

confidence: 99%

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

Virt,

Zöldy

2024

Energies

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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 NOx levels.

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Section: Emissionsmentioning

confidence: 99%