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dc.contributor.authorZincir, Burak
dc.contributor.authorShukla, Pravesh
dc.contributor.authorShamun, Sam
dc.contributor.authorTuner, Martin
dc.contributor.authorDeniz, Cengiz
dc.contributor.authorJohansson, Bengt
dc.date.accessioned2019-07-31T12:39:36Z
dc.date.available2019-07-31T12:39:36Z
dc.date.issued2019-05-24
dc.identifier.citationZincir, B., Shukla, P., Shamun, S., Tuner, M., Deniz, C., & Johansson, B. (2019). Investigation of Effects of Intake Temperature on Low Load Limitations of Methanol Partially Premixed Combustion. Energy & Fuels, 33(6), 5695–5709. doi:10.1021/acs.energyfuels.9b00660
dc.identifier.doi10.1021/acs.energyfuels.9b00660
dc.identifier.urihttp://hdl.handle.net/10754/656267
dc.description.abstractMethanol has unique properties as a fuel, and partially premixed combustion has promising results with high engine efficiency and low emissions. Low load studies with methanol partially premixed combustion are scarce, and the effect of intake temperature on low load methanol partially premixed combustion still remains an intriguing question. This study aims to investigate the effect of intake temperature on low load limitations of methanol partially premixed combustion by an experimental study. The engine was operated at 800 rpm under two different loads. The low load condition was performed at 3 bar Indicated mean effective pressure (IMEP), and the idle condition was commenced at 1 bar IMEP. From the results, it was seen that the intake temperature affected engine stability, engine performance, and engine emissions. The combustion stability decreased with the decrease of intake temperature. The ignition delay became longer and the peak cylinder pressure became smaller with lower intake temperature. The combustion efficiency reduced with the decrease of intake temperature from 0.99 to 0.96 at 3 bar IMEP, whereas it decreased from 0.99 to 0.98 at 1 bar IMEP for the single injection case and the split injection case. The thermodynamic efficiency remained constant at 0.43 at 3 bar IMEP, decreased from 0.30 to 0.28 at 1 bar IMEP for the single injection case, and reduced from 0.26 to 0.24 at 1 bar IMEP for the split injection case. The gross indicated efficiency increased from 0.41 to 0.42 at 3 bar IMEP, whereas it reduced from 0.29 to 0.28 and 0.26–0.24 at 1 bar IMEP at single injection and split injection, respectively. Total hydrocarbon emission increased, NOX emission decreased or remained constant, and CO emission remained constant with the decrease in intake temperature. Finally, the combustion phasing study was performed at 1 bar IMEP at constant intake temperature to determine the effect of the start of injection timing on the engine’s performance and the emissions under the idle condition.
dc.description.sponsorshipThis publication is based upon work supported by the King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) under Award no. OSR-2017-CPF-3319.
dc.publisherAmerican Chemical Society (ACS)
dc.relation.urlhttp://pubs.acs.org/doi/10.1021/acs.energyfuels.9b00660
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in Energy & Fuels, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://pubs.acs.org/doi/10.1021/acs.energyfuels.9b00660.
dc.titleInvestigation of Effects of Intake Temperature on Low Load Limitations of Methanol Partially Premixed Combustion
dc.typeArticle
dc.contributor.departmentClean Combustion Research Center
dc.contributor.departmentMechanical Engineering
dc.contributor.departmentMechanical Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.identifier.journalEnergy & Fuels
dc.rights.embargodate2020-05-24
dc.eprint.versionPost-print
dc.contributor.institutionMaritime Faculty, Istanbul Technical University, Postane Mah. Sahil Cad. Tuzla, 34940 Istanbul, Turkey
dc.contributor.institutionDepartment of Energy Sciences, Division of Combustion Engines, Lund University, Lund, Scania 221 00, Sweden
kaust.personJohansson, Bengt
kaust.grant.numberOSR-2017-CPF-3319
kaust.acknowledged.supportUnitOffice of Sponsored Research
dc.date.published-online2019-05-24
dc.date.published-print2019-06-20


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