A comprehensive study on the influences of different types of nano-sized particles usage in diesel-bioethanol blends on combustion, performance, and environmental aspects

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dc.contributor.authorAgbulut, Umit
dc.contributor.authorPolat, Fikret
dc.contributor.authorSaridemir, Suat
dc.date.accessioned2021-12-01T18:46:57Z
dc.date.available2021-12-01T18:46:57Z
dc.date.issued2021
dc.department[Belirlenecek]en_US
dc.description.abstractThis paper aims to discuss the influences of the doping of different types of nanoparticles into the bioethanol-diesel fuel blends on the combustion, performance, and emission aspects. In this viewpoint, the tests are performed at a constant engine speed of 2400 rpm under the varying engine loads from 3 to 12 Nm with the gaps of 3 Nm. Test engine is fuelled with conventional diesel fuel (DF), the binary form of 90% diesel fuel and %10 ethanol (DF90E10), and then separately 100 ppm aluminium oxide (Al2O3) nanoparticles (DF90E10 + A100), and 100 ppm titanium oxide (TiO2) nanoparticles (DF90E10 + T100) into DF90E10 test fuel. In the results, DF90E10 increases brake specific fuel consumption (BSFC) by 6.25% and drops the brake thermal efficiency (BTE) by 2.1% in comparison to those of conventional DF. However, it is noticed that nanoparticles-doped DF90E10 test fuels are being pulled back the worsened performance results thanks to their higher surface to volume ratio, higher cetane number, higher calorific value, superior thermal properties, catalyst role of the accelerating chemical reactions in combustion proces, and high energy density of nanoparticles. Accordingly, BSFC is dropped by 2.25% and 1.26% whilst BTE is enhanced by 3.48% and 2.94% for DF90E10 + A100 and DF90E10 + T100 test fuels, respectively as compared to those of DF. Thanks to the excess oxygen content of ethanol and oxygen-donating catalyst role of nanoparticles, carbon monoxide (CO) is reduced by 14.29%, 25%, and 21.43%, and hydrocarbon (HC) is reduced by 21.32%, 30.15%, and 26.47% for DF90E10, DF90E10 + A100, and DF90E10 + T100, respectively as compared to those of conventional DF. NOx emission increases by 3.6% for DF90E10, and then nitrogen oxides (NOx) are reduced by 3.02%, and 1.57% for DF90E10 + A100 and DF90E10 + T100 due to the higher thermal conductivity value of nanoparticles and improving engine performance characteristics. On the other hand, the highest in-cylinder pressure (CPmax) and heat release rate (HRRmax) values, and longer ignition delay are generally noticed for the diesel-ethanol binary blend due to the lower cetane number, lower energy density and higher viscosity. In conclusion, this paper is proving that the doping of nanoparticles into the biofuels is presenting very satisfying results in pulling back the worsened engine characteristics arising from using diesel-biofuel binary blends. (C) 2021 Elsevier Ltd. All rights reserved.en_US
dc.description.sponsorshipDuzce UniversityDuzce University [2020.07.04.1097]en_US
dc.description.sponsorshipThis present work is being funded by Duzce University Scientific Research Projects Coordination with the project numbers 2020.07.04.1097. The authors highly appreciate to Duzce University for its financial support.en_US
dc.identifier.doi10.1016/j.energy.2021.120548
dc.identifier.issn0360-5442
dc.identifier.issn1873-6785
dc.identifier.scopus2-s2.0-85105899347en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.energy.2021.120548
dc.identifier.urihttps://hdl.handle.net/20.500.12684/10070
dc.identifier.volume229en_US
dc.identifier.wosWOS:000660686400005en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofEnergyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCombustionen_US
dc.subjectAlcoholen_US
dc.subjectPerformanceen_US
dc.subjectBiofuelsen_US
dc.subjectNanoparticlesen_US
dc.subjectNanofuelsen_US
dc.subjectEmission Characteristicsen_US
dc.subjectEngine Performanceen_US
dc.subjectFuel Blendsen_US
dc.subjectTio2 Nanoparticlesen_US
dc.subjectCompression Ratioen_US
dc.subjectExhaust Emissionsen_US
dc.subjectCarbon Nanotubesen_US
dc.subjectAluminum-Oxideen_US
dc.subjectBiodieselen_US
dc.subjectEthanolen_US
dc.titleA comprehensive study on the influences of different types of nano-sized particles usage in diesel-bioethanol blends on combustion, performance, and environmental aspectsen_US
dc.typeArticleen_US

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