Numerical investigation of the hydrogen, ammonia and methane fuel blends on the combustion emissions and performance

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dc.authorscopusid57210155341
dc.authorscopusid57888520800
dc.authorscopusid57201267161
dc.contributor.authorBayramoğlu, K.
dc.contributor.authorBahlekeh, A.
dc.contributor.authorMasera, K.
dc.date.accessioned2024-08-25T18:36:10Z
dc.date.available2024-08-25T18:36:10Z
dc.date.issued2023
dc.departmentEge Üniversitesien_US
dc.description.abstractThe co-combustion of traditional methane gas and alternative fuels importance to reduce emissions in combustion has increased in recent years. The literature proves the successful operations of ammonia and hydrogen as diesel engine fuels. However, there is not sufficient information about the combustion of methane along with ammonia and hydrogen. In this study, the effects of the combustion of methane-hydrogen and methane-ammonia-hydrogen fuel mixture on system performance and emissions are numerically investigated. Firstly, the effects of methane and 5%, 10%, and 15% hydrogen mixture are investigated. Then, methane and 5% fixed hydrogen ratio with 5% ammonia, 10% ammonia, and 15% ammonia mixtures are examined. The numerical model is validated against the literature data using the Sandia D model with a difference of 5.9% at x/d = 0.5. As a result of the study, 15% hydrogen addition to methane increased the maximum combustion chamber temperature by 100 K. However, with the addition of 15% of ammonia, the temperature is dropped by 200 K and the peak temperature location is slightly shifted away from the injection point. A 10% enhancement of hydrogen content rate will cause a 28% increase in thermal NOX emission and a 10% increment in the ammonia content of the fuel blend has caused to 3000 ppm enhancement in NOX emission. With the addition of %5, 10%, and %15 ammonia mass fraction to methane and hydrogen blend fuel at the axial location of x/d = 0.444, the NOx emission production rate has been increased by 1970, 3010, and 3790 ppm, respectively. In addition, the 15% hydrogen addition to methane (85% methane/15% hydrogen) and 5% hydrogen plus 15% ammonia addition to methane (80% methane/5% hydrogen/15% ammonia) reduced the CO2 emission by 30.7% and 14% compared to neat methane (100% methane) combustion. To sum up, this study shows that the use of methane-ammonia-hydrogen as a diesel engine fuel reduces combustion emissions. © 2023 Hydrogen Energy Publications LLCen_US
dc.identifier.doi10.1016/j.ijhydene.2023.06.079
dc.identifier.issn0360-3199
dc.identifier.scopus2-s2.0-85163391667en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.ijhydene.2023.06.079
dc.identifier.urihttps://hdl.handle.net/11454/100534
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Ltden_US
dc.relation.ispartofInternational Journal of Hydrogen Energyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmz20240825_Gen_US
dc.subjectAmmonia combustionen_US
dc.subjectEmissionsen_US
dc.subjectFlameen_US
dc.subjectHydrogenen_US
dc.subjectMarine fuelsen_US
dc.subjectSustainabilityen_US
dc.subjectAlternative fuelsen_US
dc.subjectAmmoniaen_US
dc.subjectDiesel enginesen_US
dc.subjectGas emissionsen_US
dc.subjectHydrogen fuelsen_US
dc.subjectNitrogen oxidesen_US
dc.subjectAmmonia combustionen_US
dc.subjectAmmonia fuelsen_US
dc.subjectCombustion emissionsen_US
dc.subjectEmissionen_US
dc.subjectEngine fuelsen_US
dc.subjectFlameen_US
dc.subjectFuel blendsen_US
dc.subjectHydrogen additionen_US
dc.subjectMarine fuelsen_US
dc.subjectNumerical investigationsen_US
dc.subjectMethaneen_US
dc.titleNumerical investigation of the hydrogen, ammonia and methane fuel blends on the combustion emissions and performanceen_US
dc.typeArticleen_US

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