Publication: Limitación de demanda y certificación energética : El Corte Inglés de Albacete
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2009-02
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2009
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Abstract
La contaminación atmosférica en el sector de la edificación ha adquirido en las últimas décadas unos niveles comparables a los del sector industrial, convirtiéndose así en un grave problema para la sociedad. En este proyecto se aplican en el caso concreto del centro comercial de El Corte Inglés de Albacete (E.C.I. de Albacete) las medidas impuestas por el gobierno, a través del nuevo Código Técnico de la Edificación (CTE), en materia de ahorro energético en los edificios. Una vez presentada la normativa vigente del Documento Básico de Ahorro de Energía del CTE, se ha desarrollado la certificación energética del E.C.I. de Albacete en dos etapas. En una primera etapa, se ha verificado el cumplimiento de la limitación de demanda del edificio impuesta por la sección HE-1 del Documento Básico de Ahorro de Energía, empleando la aplicación informática de referencia LIDER. Los resultados del programa demuestran que el centro cumple con la normativa establecida tanto en calefacción como en refrigeración. Las demandas de calefacción y de refrigeración son respectivamente de un 11,5% y un 80.2% respecto a las del edificio de referencia. En una segunda etapa, se ha obtenido la calificación energética del edificio, empleando la herramienta informática de referencia CALENER_GT. El consumo del edificio de energía primaria del edificio es de 23.416,11 MWh por año y las emisiones del edificio son de 5828,57 Tn CO2 por año. El índice global de emisiones de CO2 del centro es 1.19, lo que otorga al edificio una clase de eficiencia energética D. Esto significa que las emisiones totales del edificio superan en un 19% las permitidas por la normativa. Por último, y tras estudiar los resultados de la calificación, se han aplicado una serie de mejoras sobre los sistemas y equipos del edificio, lográndose como mejor resultado una reducción del 45% de las emisiones de CO2 así como de la energía primaria requerida por el centro y obteniéndose un índice global de 0.65 que, aunque de forma muy ajustada, adjudica al centro la clase de eficiencia energética B. ______________________________________________
Air pollution in the building sector has gained in the last few decades levels comparable to the industrial sector, thus becoming a serious problem for society. In this project are applied the measures imposed by the government through the new “Código Técnico de la Edificación” (CTE) on energy savings in buildings, in the case of the commercial center of “El Corte Inglés Albacete”(Albacete ECI). Once the regulations of the “Documento Básico de Ahorro de Energía”, it has developed the energy certification of ECI Albacete in two stages. In a first stage, it was verified that the building restrictions on energy demands imposed by section HE-1 of the “Documento Básico de Ahorro de Energía “were applied, using the reference computer software LIDER. Program results show that the center complies with the regulations established both in heating and cooling. The demands of heating and cooling are respectively 11.5% and 80.2% compared to the building´s reference. In a second stage, it was obtained the energy rating of the building, using the reference computer software CALENER_GT. Consumption of primary energy by the building was 23416.11 MWh per year, and emissions of the building were 5828.57 tons CO2 per year. The overall ratio of CO2 emissions from the center was 1.19, which gives the building an energy efficiency class D. This means that the total emissions of the building exceeded 19% the ones permitted by the rules. Finally, after studying the results of the qualification, there were implemented a number of improvements over the systems and equipment of the building, achieving in the best result a reduction of 45% of CO2 emissions as well as the primary energy required by the center, obtaining an overall ratio of 0.65, which awarded the center an energy efficiency class B in a very narrow form.
Air pollution in the building sector has gained in the last few decades levels comparable to the industrial sector, thus becoming a serious problem for society. In this project are applied the measures imposed by the government through the new “Código Técnico de la Edificación” (CTE) on energy savings in buildings, in the case of the commercial center of “El Corte Inglés Albacete”(Albacete ECI). Once the regulations of the “Documento Básico de Ahorro de Energía”, it has developed the energy certification of ECI Albacete in two stages. In a first stage, it was verified that the building restrictions on energy demands imposed by section HE-1 of the “Documento Básico de Ahorro de Energía “were applied, using the reference computer software LIDER. Program results show that the center complies with the regulations established both in heating and cooling. The demands of heating and cooling are respectively 11.5% and 80.2% compared to the building´s reference. In a second stage, it was obtained the energy rating of the building, using the reference computer software CALENER_GT. Consumption of primary energy by the building was 23416.11 MWh per year, and emissions of the building were 5828.57 tons CO2 per year. The overall ratio of CO2 emissions from the center was 1.19, which gives the building an energy efficiency class D. This means that the total emissions of the building exceeded 19% the ones permitted by the rules. Finally, after studying the results of the qualification, there were implemented a number of improvements over the systems and equipment of the building, achieving in the best result a reduction of 45% of CO2 emissions as well as the primary energy required by the center, obtaining an overall ratio of 0.65, which awarded the center an energy efficiency class B in a very narrow form.
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Ahorro energético, Eficiencia energética, Edificios comerciales