会议论文详细信息
Sustainable Built Environment Conference 2019 Tokyo Built Environment in an era of climate change: how can cities and buildings adapt?
Virtual Singapore integration with energy simulation and canopy modelling for climate assessment
生态环境科学
Ignatius, M.^1 ; Wong, N.H.^1 ; M., Martin ; S., Chen
Department of Building, National University of Singapore, 4 Architecture Drive, Singapore
117566, Singapore^1
关键词: Accurate prediction;    Building energy simulations;    Building Information Modelling;    Different mechanisms;    Environmental implications;    Integrated modeling;    Integrated simulations;    Microclimate conditions;   
Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/294/1/012018/pdf
DOI  :  10.1088/1755-1315/294/1/012018
学科分类:环境科学(综合)
来源: IOP
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【 摘 要 】

Urban heat island (UHI) can be described as characteristics of warmth for both the atmospheres and surfaces in cities compared to rural surroundings. The attention on UHI has helped to advance the development of urban cooling strategies in Singapore. However, these strategies are often implemented at different levels with different mechanisms, and studies on the environmental implications of these strategies are often segregated. Therefore, understanding on how the urban canopy works is vital to analyse the energy performance, because canopy modelling is significant in estimating urban weather conditions, which affects the heat gain intake for buildings. It is thus become imperative to develop an integrated model for accurate prediction of weather conditions at different scales. By utilizing the Virtual Singapore (VSg) database, this study explores the development an integrated simulation platform, named BESCAM, for climate assessment and district energy demand. It focuses on urban canopy modelling and building energy simulation. The approach is to use CityGML from VSg as input, which comprises converted Building Information Modelling (BIM) buildings. Then, an urban canopy modelling (UCM) is developed to assess the microclimate condition with urban morphology consideration. Afterwards, building energy simulation can be conducted consecutively using EnergyPlus by integrating microclimate and building information. Hence, the BESCAM platform would offer a unique opportunity to architects, engineers, and scientists to use the same source of information, using VSg database, for conducting their own analysis and compare their conclusions.

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