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Understanding bio-oil droplets microexplosions in oxyfuel combustion.
dc.rights.license | Reconocimiento 4.0 Internacional |
dc.contributor.advisor | Chejne Jana, Farid |
dc.contributor.advisor | Amell Arrieta, Andrés |
dc.contributor.author | Ordoñez Loza, Javier Alonso |
dc.date.accessioned | 2021-10-14T19:33:00Z |
dc.date.available | 2021-10-14T19:33:00Z |
dc.date.issued | 2021-06-21 |
dc.identifier.uri | https://repositorio.unal.edu.co/handle/unal/80555 |
dc.description | ilustraciones, diagramas, tablas |
dc.description.abstract | Sugarcane bagasse bio-oil is a low calorific fuel produced by pyrolysis of cane bagasse in a nitrogen atmosphere and can be considered as a future alternative fuel. In this doctoral thesis, a detailed characterization of the bio-oil was developed, and the effect of carbon dioxide on char formation during thermal decomposition was evaluated. The kinetics was also analyzed, and decomposition stages were proposed. Likewise, bio-oil droplet evaporation experiments were carried out and allowed to identify the nature of the phenomenon of micro-explosions and its relationship with the formation of microbubbles, to complement the work, a novel model to predict micro-explosions were developed offering the possibility of understanding the phenomenon of micro-explosion formation from a collection of physicochemical events that begin with the nucleation, coalescence, and explosion of microbubbles within the drop. |
dc.description.abstract | El bio-aceite de bagazo de caña es un combustible de bajo poder calorífico producido por la pirólisis de bagazo de caña en atmósfera de nitrógeno, y puede considerarse como un futuro combustible alternativo. En esta tesis una caracterización detallada del bio-aceite fue desarrollada, y se evaluó el efecto del dióxido de carbono en la formación de carbonizado durante la descomposición térmica. También se analizó la cinética y etapas de descomposición fueron propuestas. Así mismo experimentos de evaporación de gotas de bio-aceite fueron realizados y permitieron identificar la naturaleza del fenómeno de las micro-explosiones y su relación con la formación de microburbujas, para complementar el trabajo un novedoso modelo para predecir las micro-explosiones fue desarrollado ofreciendo la posibilidad de entender el fenómeno de formación de micro-explosiones a partir de una colección de eventos fisicoquímicos que comienzan con la nucleación, coalescencia y explosione de microburbujas dentro de la gota. (Texto tomado de la fuente) |
dc.format.extent | xix, 120 páginas |
dc.format.mimetype | application/pdf |
dc.language.iso | eng |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ |
dc.subject.ddc | 540 - Química y ciencias afines |
dc.subject.other | Aceite de bagazo de caña |
dc.title | Understanding bio-oil droplets microexplosions in oxyfuel combustion. |
dc.type | Trabajo de grado - Doctorado |
dc.type.driver | info:eu-repo/semantics/doctoralThesis |
dc.type.version | info:eu-repo/semantics/acceptedVersion |
dc.publisher.program | Medellín - Minas - Doctorado en Ingeniería - Sistemas Energéticos |
dc.contributor.researchgroup | Termodinámica Aplicada y Energías Alternativas |
dc.description.degreelevel | Doctorado |
dc.description.degreename | Doctor en Ingeniería |
dc.description.researcharea | Sistemas Energéticos |
dc.identifier.instname | Universidad Nacional de Colombia |
dc.identifier.reponame | Repositorio Institucional Universidad Nacional de Colombia |
dc.identifier.repourl | https://repositorio.unal.edu.co/ |
dc.publisher.department | Departamento de Procesos y Energía |
dc.publisher.faculty | Facultad de Minas |
dc.publisher.place | Medellín, Colombia |
dc.publisher.branch | Universidad Nacional de Colombia - Sede Medellín |
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dc.rights.accessrights | info:eu-repo/semantics/openAccess |
dc.subject.lemb | Combustibles |
dc.subject.lemb | Transformation of waste |
dc.subject.lemb | Transformación de residuos |
dc.subject.proposal | Pyrolysis |
dc.subject.proposal | CO2 |
dc.subject.proposal | Char reactivity |
dc.subject.proposal | Droplet evaporation |
dc.subject.proposal | Bio-oil |
dc.subject.proposal | Char |
dc.subject.proposal | Bio-aceite |
dc.subject.proposal | Pirólisis |
dc.subject.proposal | Carbón |
dc.subject.proposal | Reactividad del carbón |
dc.subject.proposal | Evaporación de gotas |
dc.title.translated | Comprensiónde las micro explosiones de gotas de bio-aceite en condiciones de oxicombustión. |
dc.type.coar | http://purl.org/coar/resource_type/c_db06 |
dc.type.coarversion | http://purl.org/coar/version/c_ab4af688f83e57aa |
dc.type.content | Text |
dc.type.redcol | http://purl.org/redcol/resource_type/TD |
oaire.accessrights | http://purl.org/coar/access_right/c_abf2 |
oaire.fundername | Minciencias |
dcterms.audience.professionaldevelopment | Investigadores |
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