ANÁLISE DA INFLUÊNCIA DA GEOMETRIA ARQUITETÔNICA NA EFICIÊNCIA ENERGÉTICA DE EDIFICAÇÕES COMERCIAIS
Keywords:
Geometry, Energy Efficiency in commercial buildings, Computational simulationAbstract
With the publication of the law 10.295 (October 17, 2001), called the Energy Efficiency Law, the search for more energy-efficient buildings was formally initiated, and research has emerged that attempted to relate building geometry to form indicators in order to identify the influence of building influences its energy consumption. For the RTQ-C, Carlo (2008) uses the Form Factor (FF = Aenv / Vtot) indicators to represent the geometry of the building and the Height Factor (FA = Apcob / Vtot) to characterize the verticality of the building. Alanzi et. al (2009) considers the compactness index (IC) to analyze the energy efficiency of a building; While Barth et. al (2017) discusses the fragmentation of form, the compactness of the building and how it interferes with the energy consumption of a building. The objective of this research is to evaluate the influence of architectural geometry on the energy efficiency of commercial buildings. The methodology adopted to develop the research follows the steps: (i) definition of architectural geometries; (ii) definition of the parameters for simulation of the models in the EnergyPlus software, and finally (iii) analysis of the simulation results by comparing the energy consumption of buildings with different architectural geometries. Reinforcing the studied literature, the circular building model presented the most compact form, with a lower Form Factor (FF) and higher Compaction Index (IC), resulting in a lower total energy consumption per constructed area. However, the other results do not allow to prove the information that the IC or FF are parameters sufficient to define the energy consumption of the building.
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