Diseño de diferentes configuraciones en la morfología estructural para películas poliméricas compuestas depositadas sobre un panel tipo sándwich (vidrio-polímero-vidrio) que permitan controlar la radiación solar afectando el índice de refracción y el coeficiente de transmisión térmica con aplicación en el acondicionamiento climático de edificaciones

dc.contributor.advisorPerilla Perilla, Jairo Ernestospa
dc.contributor.authorPerez Marín, Andrés Felipespa
dc.contributor.educationalvalidatorTorres Salcedo, Néstor Jaimespa
dc.contributor.researchgroupBiomateriales – GMATspa
dc.contributor.researchgroupGrupo de Investigación en Procesos Químicos y Bioquímicosspa
dc.date.accessioned2025-10-23T18:55:29Z
dc.date.available2025-10-23T18:55:29Z
dc.date.issued2025-10-21
dc.descriptionilustraciones, diagramas, fotografíasspa
dc.description.abstractLa presente investigación se instala como un diálogo entre la arquitectura bioclimática y la ingeniería, ciencia y tecnología de los materiales, con el fin de abordar el problema del control pasivo de la radiación solar a través de la envolvente o piel de la edificación. Un aspecto importante en la eficiencia energética de los edificios se asocia con el consumo de energía para su acondicionamiento climático. Según los datos reportados para 2022, este sector consume el 30% del total de la energía de todo el mundo (REN21, 2024). Eso significa que el consumo directo de los edificios representa alrededor de un tercio de la demanda energética mundial. En este contexto, las películas poliméricas en estructuras multicapa (tipo blend) surgen como alternativa tecnológica para controlar de forma pasiva la radiación solar incidente, actuando como filtros selectivos que reducen la ganancia térmica sin comprometer la iluminación natural. En razón a lo anterior, esta investigación ha tenido como objetivo diseñar diferentes configuraciones morfológicas para el empleo de películas poliméricas compuestas en estructuras multicapa depositadas sobre un panel tipo sándwich (vidrio-polímero-vidrio), que permitan controlar la radiación solar afectando el índice de refracción y el coeficiente de transmisión térmica, con aplicación en el acondicionamiento climático de edificaciones. Como resultado se obtiene, por medio de un diseño óptico multicapa, un panel tipo sándwich conformado así: vidrio + película de nanocerámica (NC) + película de PET (FP3) + vidrio, el cual posee una alta reflexión en el rango del NIR (30%) y una transmitancia visible elevada (85% prom). Las propiedades ópticas de los sistemas propuestos se evalúan mediante espectroscopia UV - VIS - NIR y los métodos de Swanepoel (1983) y Bhattacharyya (1993) para determinar el índice de refracción (n) y el coeficiente de extinción (k). Esta investigación aporta en el conocimiento sobre el diseño y la caracterización de sistemas poliméricos multicapa, fortaleciendo así la base científica para el desarrollo de sistemas pasivos de control de radiación solar con materiales locales en el contexto climático colombiano. (Texto tomado de la fuente).spa
dc.description.abstractThe current research settles a dialogue between bio-climatic architecture and materials engineering, science and technology, with the goal of addressing the problem of passive solar radiation control by the coating or skin of the buildings. This means that an important factor in the energetic efficiency of buildings is associated with the consumption of energy for their proper climate conditioning. According to the data reported for 2022, the construction sector consumes 30% of the world’s total energy (REN21, 2024); this means that the direct energy consumption of buildings represents around a third of the global energy demand. In this context, multi-layered polymer films in structures (blend type) appear as a technological alternative for the passive control of incident solar radiation, acting as selective filters that diminish thermal gain without compromising natural light. In view of the above, this research proposes different designs for morphologic configurations for the use of multi-layered film panels deployed in sandwich-type panels (glass-polymer-glass) that allow for the control of solar radiation affecting the refractive index and the thermal transmission coefficient with applications in thermal conditioning in buildings. As a result, we get, through a multi-layered optic design, a sandwich-type panel composed by glass + Nano-Ceramic layer (NC) + PET film (FP3) + glass, which possesses a high reflection rate in the NIR range (30%) and an elevated visible transmittance (80% avg). Optical properties of the composite systems are reviewed by UV–VIS–NIR spectroscopy and through Swanepoel (1983) and Bhattacharyya (1993) methods, to determine the refractive index (n) and extinction coefficient (k). This research provides the knowledge about the design and characterization of multi-layered polymer systems, strengthening the scientific ground for the development of passive solar radiation control systems with local materials in the Colombian climate context.eng
dc.description.degreelevelDoctoradospa
dc.description.degreenameDoctor en Ingenieria - Ciencia y Tecnologia de Materialesspa
dc.description.methodsDiseño de la metodología experimental: Consistió en la caracterización óptica y estructural de películas poliméricas (PVC, LDPE, PP, PET y NC y sistemas multicapa tipo blend) mediante espectroscopía de absorción UV-VIS-NIR, FTIR y difracción de rayos X (XRD). Esto con el fin de determinar los parámetros ópticos, el grado de cristalinidad y el comportamiento espectral frente a la radiación solar de los materiales objeto de estudio. La primera parte de este capítulo se concentra en el establecimiento de los parámetros requeridos para la realización de las mediciones y la segunda parte en los resultados obtenidos. Estos se analizaron comparativamente para establecer la relación entre la morfología, el índice de refracción (n) y el coeficiente de extinción (k), orientando su aplicación a sistemas pasivos de control de radiación solar en la envolvente de la edificación.spa
dc.description.researchareaMateriales cerámicos y compuestosspa
dc.format.extentxxvi, 196 páginasspa
dc.format.mimetypeapplication/pdf
dc.identifier.instnameUniversidad Nacional de Colombiaspa
dc.identifier.reponameRepositorio Institucional Universidad Nacional de Colombiaspa
dc.identifier.repourlhttps://repositorio.unal.edu.co/spa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/89059
dc.language.isospa
dc.publisherUniversidad Nacional de Colombiaspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotáspa
dc.publisher.departmentDepartamento de Ingeniería Mecánica y Mecatrónicaspa
dc.publisher.facultyFacultad de Ingenieríaspa
dc.publisher.placeBogotá, Colombiaspa
dc.publisher.programBogotá - Ingeniería - Doctorado en Ingeniería - Ciencia y Tecnología de Materialesspa
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dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.rights.licenseAtribución-NoComercial-SinDerivadas 4.0 Internacional
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.ddc540 - Química y ciencias afines::543 - Química analíticaspa
dc.subject.ddc620 - Ingeniería y operaciones afines::621 - Física aplicadaspa
dc.subject.proposalRadiación solarspa
dc.subject.proposalVidriospa
dc.subject.proposalPolímeros multicapaspa
dc.subject.proposalÍndice de refracciónspa
dc.subject.proposalSolar radiationeng
dc.subject.proposalGlasseng
dc.subject.proposalMulti-layer polymereng
dc.subject.proposalRefractive indexeng
dc.subject.unescoArquitectura tradicionalspa
dc.subject.unescoTraditional architectureeng
dc.subject.unescoTecnología de materialesspa
dc.subject.unescoMaterials engineeringeng
dc.subject.unescoConsumo de energíaspa
dc.subject.unescoEnergy consumptioneng
dc.subject.unescoPolímerospa
dc.subject.unescoPolymerseng
dc.titleDiseño de diferentes configuraciones en la morfología estructural para películas poliméricas compuestas depositadas sobre un panel tipo sándwich (vidrio-polímero-vidrio) que permitan controlar la radiación solar afectando el índice de refracción y el coeficiente de transmisión térmica con aplicación en el acondicionamiento climático de edificacionesspa
dc.title.translatedDifferent configuration designs in the structural morphology for composite polymer films layered over sandwich-type panel (glass-polymer-glass) which allow for the control of solar radiation affecting the refractive index and the thermal transmission coefficient with applications in thermal conditioning in buildingseng
dc.typeTrabajo de grado - Doctoradospa
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dcterms.audience.professionaldevelopmentInvestigadoresspa
dcterms.audience.professionaldevelopmentEstudiantesspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2

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