Energy performance of a nZEB urban commercial building under the influence of a tropical climate and climate change

Authors

DOI:

https://doi.org/10.18830/1679-09442024v17e43115

Keywords:

Performance analysis, Energy efficiency, Photovoltaic energy, Urban Building Energy Modeling (UBEM), Climate change, Future scenarios

Abstract

Nearly Zero Energy Buildings (nZEB) consist of buildings whose design integrates measures for optimizing energy consumption and renewable energy production systems, sufficient to nearly nullify their energy demand. However, it is known that climate changes can significantly impact the existing energy infrastructure. Therefore, the aim of this article is to analyze the applicability of this concept for urban buildings in tropical cities. Scenarios were simulated using computational models to assess the energy performance of an nZEB commercial building in the city of Vitória (Brazil), under the influence of parameters from urban configuration and climate change projections for 2020, 2050, and 2080. As a result, an increase of 1.17 ºC was observed in the annual average temperature of the external air, and a reduction of 3.85% in photovoltaic energy generation capacity was noted due to the urban heat island effect. In future projections, an increase of up to 23.35% in total consumption and 4.61% in energy production was observed. Furthermore, the cooling system stands out as the main contributor to the building's energy consumption.

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Author Biographies

Anderson Azevedo Fraga, Universidade Federal do Espírito Santo; Faculdade de Arquitetura e Urbanismo; Laboratório de Planejamento e Projetos

He works mainly in the following areas of interest: energy efficiency, Zero Energy for buildings, urban development, subjectivity and quality of urban space, sustainability applied to architecture, technologies related to renewable energies applied to architecture. He worked as a researcher at the Planning and Research Laboratory (LPP/UFES), helping to guide scientific initiation students and technical-administrative demands. Currently, he develops projects using graphic algorithms and parametric modeling, in order to analyze the energy performance of building materials and components.

Layra Ramos Lugão, Universidade Federal do Espírito Santo; Faculdade de Arquitetura e Urbanismo; Laboratório de Planejamento e Projetos

She was a fellow researcher at the Coordination for the Improvement of Higher Education Personnel (CAPES). Since 2017, she has been a member of the Planning and Projects Laboratory (LPP/UFES), developing research on sustainability and technology, with an emphasis on energy simulation, urban modeling and climate change. She worked as volunteer researcher in a scientific iniciation project in the area of urban communities and sustainable indicators.

Juliana Silva Almeida Santos, Universidade Federal do Espírito Santo; Faculdade de Arquitetura e Urbanismo; Programa de Pós-Graduação em Arquitetura e Urbanismo

She was a fellow researcher at the Coordination for the Improvement of Higher Education Personnel (CAPES). Since 2017, he has been a member of the Planning and Projects Laboratory (LPP/UFES), developing research with an emphasis on urban thermal comfort, green infrastructure, sustainability, urban indicators and climate change. She worked as a volunteer researcher in two scientific initiation projects, in the areas of sustainability in sustainable buildings and urban communities.

Cristina Engel de Alvarez, Universidade Federal do Espírito Santo; Faculdade de Arquitetura e Urbanismo; Programa de Pós-Graduação em Arquitetura e Urbanismo

She is currently director-president of the Fundação de Amparo à Pesquisa do Espírito Santo, collaborator - Universidad de Oviedo, co-guide in the doctoral course in architecture - Universidad del Bío-Bio and professor at the Federal University of Espírito Santo. She has experience in Architecture and Urbanism, with an emphasis on Architecture and Urbanism Technology, working mainly on the following topics: sustainability, comfort, Antarctica, environment and planning.

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Published

2024-07-27

How to Cite

Fraga, A. A., Lugão, L. R., Santos, J. S. A., & Alvarez, C. E. de. (2024). Energy performance of a nZEB urban commercial building under the influence of a tropical climate and climate change. Paranoá, 17, e43115. https://doi.org/10.18830/1679-09442024v17e43115

Issue

Vol. 17 (2024): January/December Edition

Section

Technology, Environment and Sustainability

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