Show simple item record

dc.contributor.authorRestrepo-Cano, Juan
dc.contributor.authorOrdonez-Loza, Javier
dc.contributor.authorGuida, Paolo
dc.contributor.authorRoberts, William L.
dc.contributor.authorChejne, Farid
dc.contributor.authorSarathy, Mani
dc.contributor.authorIm, Hong G.
dc.date.accessioned2021-11-22T07:02:53Z
dc.date.available2021-11-22T07:02:53Z
dc.date.issued2021-11-18
dc.date.submitted2021-03-25
dc.identifier.citationRestrepo-Cano, J., Ordonez-Loza, J., Guida, P., Roberts, W. L., Chejne, F., Sarathy, S. M., & Im, H. G. (2021). Evaporation, break-up, and pyrolysis of multi-component Arabian Light crude oil droplets at various temperatures. International Journal of Heat and Mass Transfer, 122175. doi:10.1016/j.ijheatmasstransfer.2021.122175
dc.identifier.issn0017-9310
dc.identifier.doi10.1016/j.ijheatmasstransfer.2021.122175
dc.identifier.urihttp://hdl.handle.net/10754/673710
dc.description.abstractCrude oil sprays are often used in direct combustion applications and refinery catalytic cracking units. Droplet evaporation, break-up, and pyrolysis are important aspects prior to gas-phase chemical reactions. This paper reports an experimental suspended droplet study of Arabian Light (AL) crude oil to assess the effect of ambiance temperature on dynamic events. Experiments were conducted at three different temperatures of 620 K, 710 K, and 840 K, to examine different regimes (devolatilization, transition stage, and complete pyrolysis) for several repetitions. Break-up events involved during the evaporation were successfully identified and classified into break-up modes depending on their break-up intensity (). Additionally, the effect of the temperature on the break-up events was assessed, showing that the number of break-up events increases exponentially with temperature. Finally, the density distribution of each break-up mode, as well as their final probability distribution were assessed. Intermediate and high-intensity break-ups (2-mode and 3-mode) break-ups were favored at lower temperatures, as well as micro-explosion (4-mode), in comparison with pyrolysis regime. However, break-up frequency increased exponentially with temperature. Additionally, based on the individual break-up modes density distributions characteristic times were identified successfully for pyrolysis regime, were the gasification dynamics changed. The global droplet behavior was examined by following the time evolution of the normalized droplet diameter. Two successive stages were identified at all temperature conditions: the swelling and the regression stage. In the devolatilization and the transition regimes, evaporation was controlled purely by the diffusive processes, whereas in the pyrolysis stage, the pure diffusion stage was not observed. Instead, a second swelling was registered, where an amorphous carbonaceous structure was formed. This was attributed to the pyrolysis of the heavy hydrocarbons in the droplet.
dc.description.sponsorshipThe work presented throughout this manuscript was sponsored and funded by Clean Combustion Research Center (CCRC) from King Abdullah University of Science and Technology (KAUST). The authors gratefully acknowledge Mr. Juan Schiller Pinto for his contributions. Professor Farid Chejne acknowledges the transformation strategy of the Colombian energy sector in the 2030 horizon, financed by call 788 of the Colciencias Scientific Ecosystem. Contract number: FP44842-210-2018.
dc.publisherElsevier BV
dc.relation.urlhttps://linkinghub.elsevier.com/retrieve/pii/S0017931021012746
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in International Journal of Heat and Mass Transfer. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in International Journal of Heat and Mass Transfer, [, , (2021-11-18)] DOI: 10.1016/j.ijheatmasstransfer.2021.122175 . © 2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.titleEvaporation, break-up, and pyrolysis of multi-component Arabian Light crude oil droplets at various temperatures
dc.typeArticle
dc.contributor.departmentChemical Engineering Program
dc.contributor.departmentClean Combustion Research Center
dc.contributor.departmentCombustion and Pyrolysis Chemistry (CPC) Group
dc.contributor.departmentComputational Reacting Flow Laboratory (CRFL)
dc.contributor.departmentMechanical Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.contributor.departmenthigh-pressure combustion (HPC) Research Group
dc.identifier.journalInternational Journal of Heat and Mass Transfer
dc.rights.embargodate2023-11-18
dc.eprint.versionPost-print
dc.contributor.institutionUniversidad Nacional de Colombia, Crr 80 Number 65–223, Medelln 050001, Colombia.
dc.identifier.pages122175
kaust.personRestrepo Cano, Juan
kaust.personGuida, Paolo
kaust.personRoberts, William L.
kaust.personSarathy, Mani
kaust.personIm, Hong G.
dc.date.accepted2021-10-23
kaust.acknowledged.supportUnitClean Combustion Research Center (CCRC)
dc.date.published-online2021-11-18
dc.date.published-print2021-11


Files in this item

Thumbnail
Name:
EvaporationBreakupandPyrolysisofMulticomponentArabianLightCrudeOilDropletsatVariousTemperatures_Preprint.pdf
Size:
5.011Mb
Format:
PDF
Description:
Accepted Manuscript
Embargo End Date:
2023-11-18

This item appears in the following Collection(s)

Show simple item record