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The relative importance of input weather data for indoor overheating risk assessment in dwellings

机译:输入天气数据对住宅中室内过热风险评估的相对重要性

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摘要

The risk of overheating in UK dwellings is predicted to increase due to anthropogenic climate change and local urban climate modification leading to an increased urban heat island effect. Dwelling geometry characteristics such as orientation, aspect, and glazing, and building fabric characteristics such as thermal mass and resistance can influence the risk of overheating. The majority of simulation-based studies have focused on identifying the importance of building characteristics on overheating risk using a small number of weather files, or focus solely on the impact of external temperatures rather than a full set of climatic variables. This study examines the overheating risk in London dwelling archetypes when simulated under different UK climates, both in the present and under 'hot future' conditions, with the objective of identifying whether the conclusions drawn from location-specific studies can be generically applied to different cities. Simulations were carried out using the dynamic thermal simulation tool EnergyPlus using 3456 dwelling variants and six different Design Summer Year (DSY) climate files from locations within the UK. In addition, a 2050 Medium Emissions scenario weather file was used to model a particularly hot summer in all locations. The results indicate that weather files can influence the ranking of relative overheating risk between dwelling types, with significant variations in the relative ranking between London, Scotland and the North of England, and the rest of England. These results show that studies examining the overheating risk across the UK need to consider the variability of building performance under regional weather conditions.
机译:由于人为气候变化和当地城市气候变化导致城市热岛效应增加,预计英国住宅的过热风险会增加。住宅的几何特征(例如方向,外观和玻璃)以及建筑织物的特征(例如热质量和电阻)会影响过热的风险。大多数基于模拟的研究都集中在使用少量天气文件中,识别建筑物特征对过热风险的重要性,或者仅关注外部温度的影响,而不是整个气候变量。这项研究考察了在当前和“炎热的未来”条件下,在不同英国气候下进行模拟时,伦敦居民原型的过热风险,目的是确定是否可以将针对特定地点的研究得出的结论普遍应用于不同的城市。使用动态热模拟工具EnergyPlus进行了模拟,该工具使用了3456套住宅版本和来自英国各地的六个不同的Design Summer Year(DSY)气候文件。此外,还使用了2050年中等排放情景天气文件来模拟所有地点的炎热夏季。结果表明,天气文件可以影响住宅类型之间相对过热风险的排名,伦敦,苏格兰和英格兰北部以及英格兰其他地区之间的相对排名差异很大。这些结果表明,研究整个英国过热风险的研究需要考虑区域天气条件下建筑性能的可变性。

著录项

  • 来源
    《Building and Environment》 |2014年第6期|81-91|共11页
  • 作者单位

    The Bartlett School of Graduate Studies, University College London, Central House, 14 Upper Woburn Place, London WC1H 0NN, UK;

    The Bartlett School of Graduate Studies, University College London, Central House, 14 Upper Woburn Place, London WC1H 0NN, UK;

    The Bartlett School of Graduate Studies, University College London, Central House, 14 Upper Woburn Place, London WC1H 0NN, UK;

    London School of Hygiene and Tropical Medicine, 15-17 Tavistock Place, London WC1H 9SH, UK;

    The Bartlett School of Graduate Studies, University College London, Central House, 14 Upper Woburn Place, London WC1H 0NN, UK,UCL Energy Institute, University College London, Central House, 14 Upper Woburn Place, London WC1H 0NN, UK;

    UCL Energy Institute, University College London, Central House, 14 Upper Woburn Place, London WC1H 0NN, UK;

    The Bartlett School of Graduate Studies, University College London, Central House, 14 Upper Woburn Place, London WC1H 0NN, UK;

    Department of Architecture and Built Environment, University of Nottingham, Nottingham NC7 2RDN, UK;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Overheating; EnergyPlus; Kendalls Tau; Weather files;

    机译:过热;EnergyPlus;Kendalls Tau;天气文件;

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