Effect of pilot fuel properties on engine performance and combustion stability in a tri-fuel engine powered by premixed methane-hydrogen and diesel pilot

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dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorCheng, Qiangen_US
dc.contributor.authorKaario, Ossien_US
dc.contributor.authorAhmad, Zeeshanen_US
dc.contributor.authorVuorinen, Villeen_US
dc.contributor.authorLarmi, Marttien_US
dc.contributor.departmentDepartment of Mechanical Engineeringen
dc.contributor.groupauthorEnergy Conversionen
dc.date.accessioned2021-11-01T08:37:39Z
dc.date.available2021-11-01T08:37:39Z
dc.date.issued2021-10-29en_US
dc.descriptionFunding Information: The present study has been financially supported by the Academy of Finland (Grant Nos. 297248 and 318024 ). The authors are thankful to Ranta Olli and Blomstedt Otto for their supports on the engine preparations. The second author has also received a scholarship from Fortum-Neste Foundation and Merenkulunsäätio under application no. 2020050 and 20210073 , respectively. Funding Information: The present study has been financially supported by the Academy of Finland (Grant Nos. 297248 and 318024). The authors are thankful to Ranta Olli and Blomstedt Otto for their supports on the engine preparations. The second author has also received a scholarship from Fortum-Neste Foundation and Merenkuluns??tio under application no. 2020050 and 20210073, respectively. Publisher Copyright: © 2021 The Author(s)
dc.description.abstractThe present work investigates the effect of pilot fuel properties on TF combustion using premixed methane-hydrogen-air (CH4-H2-air) mixtures ignited by a small amount of diesel pilot. Especially, we are investigating the effect of the cetane number (CN) and aromatic content (AC) on TF combustion in a single-cylinder compression ignition (CI) engine at varying charge air temperatures (Tair = 25 °C, 40 °C, 55 °C) and H2 volume fractions (MH2 = 10%, 20%, 40% and 60%) at lean premixed charge mixture conditions (equivalence ratio φ = 0.5). The novelty and main findings of the work consist of the following features: 1) besides the effect of H2 concentration and charge-air temperature, pilot fuel properties also play a crucial role in TF combustion, even a small amount of diesel pilot could dramatically affect the engine performance and combustion stability, 2) the CN and AC are the key factors affect the ignition delay time (IDT) and indicated thermal efficiency (ITE), 3) the in-cylinder pressure oscillation analysis based on a novel Superlets (SL) approach indicates that pilot fuel properties are important to the combustion states and combustion stability.en
dc.description.versionPeer revieweden
dc.format.extent18
dc.format.extent37469-37486
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationCheng, Q, Kaario, O, Ahmad, Z, Vuorinen, V & Larmi, M 2021, ' Effect of pilot fuel properties on engine performance and combustion stability in a tri-fuel engine powered by premixed methane-hydrogen and diesel pilot ', International Journal of Hydrogen Energy, vol. 46, no. 75, pp. 37469-37486 . https://doi.org/10.1016/j.ijhydene.2021.09.053en
dc.identifier.doi10.1016/j.ijhydene.2021.09.053en_US
dc.identifier.issn0360-3199
dc.identifier.issn1879-3487
dc.identifier.otherPURE UUID: 986c214d-3d47-45dc-8317-1955b96668c7en_US
dc.identifier.otherPURE ITEMURL: https://research.aalto.fi/en/publications/986c214d-3d47-45dc-8317-1955b96668c7en_US
dc.identifier.otherPURE LINK: http://www.scopus.com/inward/record.url?scp=85116670699&partnerID=8YFLogxKen_US
dc.identifier.otherPURE FILEURL: https://research.aalto.fi/files/69021655/ENG_Cheng_et_al_Effect_of_pilot_fuel_properties_International_Journal_of_Hydrogen_Energy.pdfen_US
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/110734
dc.identifier.urnURN:NBN:fi:aalto-202111019909
dc.language.isoenen
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD
dc.relation.ispartofseriesInternational Journal of Hydrogen Energyen
dc.relation.ispartofseriesVolume 46, issue 75en
dc.rightsopenAccessen
dc.subject.keywordAromatic contenten_US
dc.subject.keywordCetane numberen_US
dc.subject.keywordFuel propertiesen_US
dc.subject.keywordPilot fuelen_US
dc.subject.keywordTri-fuel combustionen_US
dc.titleEffect of pilot fuel properties on engine performance and combustion stability in a tri-fuel engine powered by premixed methane-hydrogen and diesel piloten
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.versionpublishedVersion
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