Análisis energético y exergético de un sistema de refrigeración absorción-difusión con diferentes fuentes de calor

dc.contributorSagastume Gutiérrez, Alexis
dc.contributorMendoza Fandiño, Jorge Mario
dc.creatorRhenals Julio, Jesús David
dc.date2021-08-12T14:49:17Z
dc.date2021-08-12T14:49:17Z
dc.date2021
dc.date.accessioned2023-10-03T19:58:35Z
dc.date.available2023-10-03T19:58:35Z
dc.identifierhttps://hdl.handle.net/11323/8516
dc.identifierCorporación Universidad de la Costa
dc.identifierREDICUC - Repositorio CUC
dc.identifierhttps://repositorio.cuc.edu.co/
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/9173525
dc.descriptionIn this work an energetic and exergetic evaluation of an absorption-diffusion refrigeration system operating with renewable energy sources is performed, the sources evaluated were photovoltaic solar energy, biogas obtained from rumen content, and gasification gas from corn residues, which have a high potential in the department of Cordoba. Initially, an energetic characterization of the studied sources was carried out; for biogas and gasification gas, the thermochemical characteristics of the biomasses and the composition and calorific value of the fuel gas were determined, obtaining lower calorific values of 30 MJ/kg for biogas and 5,18 MJ/kg for gasification gas. In the case of solar energy, using a Gaussian model for hourly radiation, the operating hours of the refrigeration system operating with this source were estimated, obtaining an operating time between 6.5 and 7.56 hours per day. Subsequently, the energy and exergy analysis of the system was carried out, calculating the performance coefficients with each energy source; biogas showed a performance coefficient of 0,18 in energy and 0,2 in exergy, while solar energy had a performance of 0,095 in energy and 0,0065 in exergy, and gasification gas had a performance of 0,06 in energy and 0,022 in exergy. Finally, the economic analysis of the system showed that the source with the lowest operating costs is photovoltaic solar energy, so the use of this source is recommended for cooling in non-interconnected areas of the department.
dc.descriptionEn el presente trabajo se realiza una evaluación energética y exergética de un sistema de refrigeración por absorción-difusión funcionando con fuentes de energía renovables, las fuentes evaluadas fueron; energía solar fotovoltaica, biogás obtenido de contenido ruminal y gas de gasificación de residuos del maíz, las cuales tienen un alto potencial en el departamento de Córdoba. Inicialmente se realizó una caracterización energética de las fuentes estudiadas, para el biogás y el gas de gasificación se determinaron las características termoquímicas de las biomasas y la composición y poder calorífico del gas combustible, obteniendo valores de poder calorífico inferior de 30 MJ/kg para el biogás y 5,18 MJ/kg para el gas de gasificación. Para la energía solar por medio de un modelo gaussiano para la radiación horaria se estimaron las horas de funcionamiento del sistema de refrigeración operando con esta fuente, obtenido un tiempo de funcionamiento entre 6,5 y 7,56 horas por día. Posteriormente se realizó el análisis energético y exergético del sistema, calculando los coeficientes de desempeño con cada fuente de energía, el biogás mostró un coeficiente de desempeño de 0,18 en energía y de 0,2 en exergía, por su parte la energía solar presentó un desempeño de 0,095 en energía y 0,0065 en exergía y el gas de gasificación tuvo un desempeño de 0,06 en energía y 0,022 en exergía. Finalmente, del análisis económico del sistema se obtuvo que la fuente que presenta los menores costos de operación es la energía solar fotovoltaica, por lo que se recomienda el uso de esta fuente para refrigeración en zonas no interconectadas del departamento.
dc.formatapplication/pdf
dc.formatapplication/pdf
dc.languagespa
dc.publisherCorporación Universidad de la Costa
dc.publisherMaestría en Eficiencia Energética y Energías Renovables
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dc.rightsAttribution-NonCommercial-ShareAlike 4.0 International
dc.rightshttp://creativecommons.org/licenses/by-nc-sa/4.0/
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rightshttp://purl.org/coar/access_right/c_abf2
dc.subjectRenewable energies
dc.subjectCooling
dc.subjectExergy
dc.subjectAbsorption-diffusion
dc.subjectBiomass
dc.subjectSolar radiation
dc.subjectEnergías renovables
dc.subjectRefrigeración
dc.subjectExergía
dc.subjectAbsorción-difusión
dc.subjectBiomasa
dc.subjectRadiación solar
dc.titleAnálisis energético y exergético de un sistema de refrigeración absorción-difusión con diferentes fuentes de calor
dc.typeTrabajo de grado - Maestría
dc.typehttp://purl.org/coar/resource_type/c_bdcc
dc.typeText
dc.typeinfo:eu-repo/semantics/masterThesis
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typehttp://purl.org/redcol/resource_type/TM
dc.typeinfo:eu-repo/semantics/acceptedVersion
dc.typehttp://purl.org/coar/version/c_ab4af688f83e57aa


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