Understanding bio-oil droplets microexplosions in oxyfuel combustion.

dc.contributorChejne Jana, Farid
dc.contributorAmell Arrieta, Andrés
dc.contributorTermodinámica Aplicada y Energías Alternativas
dc.creatorOrdoñez Loza, Javier Alonso
dc.date.accessioned2021-10-14T19:33:00Z
dc.date.accessioned2022-09-21T16:23:19Z
dc.date.available2021-10-14T19:33:00Z
dc.date.available2022-09-21T16:23:19Z
dc.date.created2021-10-14T19:33:00Z
dc.date.issued2021-06-21
dc.identifierhttps://repositorio.unal.edu.co/handle/unal/80555
dc.identifierUniversidad Nacional de Colombia
dc.identifierRepositorio Institucional Universidad Nacional de Colombia
dc.identifierhttps://repositorio.unal.edu.co/
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/3392175
dc.description.abstractSugarcane 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.abstractEl 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.languageeng
dc.publisherMedellín - Minas - Doctorado en Ingeniería - Sistemas Energéticos
dc.publisherDepartamento de Procesos y Energía
dc.publisherFacultad de Minas
dc.publisherMedellín, Colombia
dc.publisherUniversidad Nacional de Colombia - Sede Medellín
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dc.rightsReconocimiento 4.0 Internacional
dc.rightshttp://creativecommons.org/licenses/by/4.0/
dc.rightsinfo:eu-repo/semantics/openAccess
dc.titleUnderstanding bio-oil droplets microexplosions in oxyfuel combustion.
dc.typeTesis


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