Conference Paper

Proceedings of BSA Conference 2024: Sixth Conference of IBPSA-Italy

     

The Urban-Scaled EnergyPlus Simulation Using Korean GIS to Aid Development of Energy Normalization for Shading Effect

Dong-Hyuk Yi, Deuk-Woo Kim

DOI: https://doi.org/10.13124/9788860462022_36
Abstract: It is widely recognized that the shading effect between buildings significantly contributes to cooling and heating loads, independent of individual building performance. This necessitates energy normalization for the shading effect to ensure a more objective building performance assessment, requiring an urban database containing the geometric interactions between buildings for analysis. However, in the real world, obtaining data about shade and solar radiation reduced or generated by adjacent buildings is challenging. Such data are crucial for energy normalization concerning the shading effect, and it necessitates the introduction of scientific tools to complement them. With this in mind, the authors suggest the urban-scaled building shading simulation based on the geographic information system (GIS) to address the data acquisition challenge. The GIS serves as an urban database, integrating diverse city information such as buildings, energy, finance, demographics, and transportation, with spatial information as its core, based on a coordinate system. This study utilized the GIS called “Road Name Address System”, managed by the Korean government to foster the address-based industry, as the primary input data. EnergyPlus, the whole building energy simulation, was employed as the virtual experiment tool about the geometric interactions between buildings and to quantify the shading and solar radiation on building surfaces. In this paper, the authors discuss how the database of shading and solar irradiation on building surfaces was constructed based on the urban-scaled EnergyPlus simulation and anticipate that the data augmentation with the virtual experiments will contribute to a better explanation of the macroscopic dynamic characteristics of buildings.
Pages: 281 - 288
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