Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/353974
Type: DISSERTAÇÃO DIGITAL
Degree Level: Mestrado
Title: Energia operacional e impactos incorporados em retrofit de saletas comerciais de edifícios de escritórios
Title Alternative: Operational energy and embodied impacts in retrofitting commercial rooms in office buildings
Author: Pimenta, Rafaela Gravia, 1993-
Advisor: Neves, Leticia de Oliveira, 1980-
Abstract: Resumo: Design decisions normally consider the operational phase of the building as the main criterion for reducing energy expenses in a building. As operational energy represents the highest energy consumption of a building throughout its life cycle, reducing it becomes the most important aspect addressed in the design, construction and operational phases. However, energy-efficient solutions often reduce operational energy demand by increasing the embodied energy and CO2 emissions of the building. These environment impacts are caused throughout the life cycle of the materials, that is, from the extraction, processing, transportation and disposal at the end of the building's life, which are often not considered in the energy performance analyses. This work aims to investigate the operational energy and the consequent embodied impacts resulting from the retrofit of the envelope of mixed-mode office buildings, with a focus on reducing the cooling demand. The method consists of an experimental study based on a case study, in which the EnergyPlus tool was used to evaluate the operational energy and the SimaPro tool was used to evaluate the environment impacts (embodied energy and greenhouse gas emissions). The results show the energy consumption of different proposed scenarios for the envelope¿s retrofit, in order to compare its performance against the consequent impacts. As one of the results, a more efficient model was developed and analyzed. A sensitivity analysis of the parameters analyzed in the model was also carried out, identifying which parameters are more susceptible to improve the thermoenergetic performance The main scientific contribution of this paper is the understanding of the importance of the building analysis from a life cycle approach and not just in its operational phase. The results obtained will assist companies and designers to make decisions with a broader view of the building energy consumption. Moreover, this work obtains important results and data to develop research studies that compare operational energy, embodied energy and greenhouse gas emissions in office buildings

Abstract: Design decisions normally consider the operational phase of the building as the main criterion for reducing energy expenses in a building. As operational energy represents the highest energy consumption of a building throughout its life cycle, reducing it becomes the most important aspect addressed in the design, construction and operational phases. However, energy-efficient solutions often reduce operational energy demand by increasing the embodied energy and CO2 emissions of the building. These environment impacts are caused throughout the life cycle of the materials, that is, from the extraction, processing, transportation and disposal at the end of the building's life, which are often not considered in the energy performance analyses. This work aims to investigate the operational energy and the consequent embodied impacts resulting from the retrofit of the envelope of mixed-mode office buildings, with a focus on reducing the cooling demand. The method consists of an experimental study based on a case study, in which the EnergyPlus tool was used to evaluate the operational energy and the SimaPro tool was used to evaluate the environment impacts (embodied energy and greenhouse gas emissions). The results show the energy consumption of different proposed scenarios for the envelope¿s retrofit, in order to compare its performance against the consequent impacts. As one of the results, a more efficient model was developed and analyzed. A sensitivity analysis of the parameters analyzed in the model was also carried out, identifying which parameters are more susceptible to improve the thermoenergetic performance The main scientific contribution of this paper is the understanding of the importance of the building analysis from a life cycle approach and not just in its operational phase. The results obtained will assist companies and designers to make decisions with a broader view of the building energy consumption. Moreover, this work obtains important results and data to develop research studies that compare operational energy, embodied energy and greenhouse gas emissions in office buildings
Subject: Eficiência energética
Avaliação do ciclo de vida
Edifícios comerciais
Language: Português
Editor: [s.n.]
Citation: PIMENTA, Rafaela Gravia. Energia operacional e impactos incorporados em retrofit de saletas comerciais de edifícios de escritórios. 2020. 1 recurso online (117 p.) Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Civil, Arquitetura e Urbanismo, Campinas, SP.
Date Issue: 2020
Appears in Collections:FEC - Tese e Dissertação

Files in This Item:
File SizeFormat 
Pimenta_RafaelaGravia_M.pdf2.98 MBAdobe PDFView/Open


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.