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首页> 外文期刊>Building and Environment >Impacts of urban location and climate change upon energy demand of office buildings in Vienna, Austria
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Impacts of urban location and climate change upon energy demand of office buildings in Vienna, Austria

机译：城市位置和气候变化对奥地利维也纳办公楼能源需求的影响

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摘要

Urban heat island effects are already known for decades to result in increased urban outdoor temperatures as compared to the surrounding countryside. At the same time, recent years have witnessed growing concern about climate change's impact upon office buildings' performance in regard to indoor thermal comfort and the energy consumption needed to safeguard this comfort. Thus, it has to be expected that buildings in urban areas are especially effected by increased outdoor temperatures and the effects these may cause for indoor thermal comfort. A vicious circle of raising outdoor temperatures and consequently increasing CO_2 emissions associated with raising energy demands for cooling during summer heat waves is anticipated in this respect. This paper builds upon regionally downscaled weather data from future climate scenarios and applies these to dynamic thermal simulation of four sample office buildings in Vienna, Austria, at urban locations ranging from central business district to green outskirts of the city. Values of both heating and cooling demands under current and future conditions are calculated: while heating demands slightly diminish, cooling requirements generally rise significantly. Distinct differences in energy performance of buildings from different periods of construction can be observed. The impact of location within the city is considerable.
机译：与周围的乡村相比，数十年来人们已经知道城市热岛效应会导致城市室外温度升高。同时，近年来，人们越来越关注气候变化对办公建筑的室内热舒适性和维持这种舒适性所需的能耗的影响。因此，必须期望的是，城市地区的建筑物尤其受到室外温度升高的影响，并且这些影响可能导致室内热舒适。在这方面，可以预见到室外温度升高和随之而来的CO 2排放增加的恶性循环，这与夏季热浪期间提高冷却所需的能量有关。本文基于未来气候情景中按地区缩减的天气数据，并将这些数据应用于奥地利维也纳的四栋示例办公楼的动态热模拟，这些办公楼的城市位置从中央商务区到城市的绿色郊区。计算当前和未来条件下供热和制冷需求的值：尽管供热需求略有减少，但制冷需求通常会显着上升。可以观察到不同建设时期的建筑物在能源性能上的明显差异。城市中位置的影响是巨大的。

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  • 来源
    《Building and Environment》 |2014年第11期|258-269|共12页
  • 作者

    Tania Berger; Christof Amann; Herbert Formayer; Azra Korjenic; Bernhard Pospichal; Christoph Neururer; Roman Smutny;

  • 作者单位

    Department for Construction and Environment, Danube University Krems, Austria,Department for Migration and Globalisation, Danube University Krems, 30, A - 3500 Krems, Austria;

    e7 Energieberatungs GmbH, Austria;

    Institute of Meteorology, Department of Water, Atmosphere and Environment, University of Natural Resources and life Sciences, Vienna, Austria;

    Institute for Building Construction and Technology, Research Centre of Building Physics and Sound Protection, Vienna University of Technology, Austria;

    Institute of Meteorology, Department of Water, Atmosphere and Environment, University of Natural Resources and life Sciences, Vienna, Austria;

    Institute of Structural Engineering, Department of Water, Atmosphere and Environment, University of Natural Resources and Life Sciences, Vienna, Austria;

    Institute of Structural Engineering, Department of Water, Atmosphere and Environment, University of Natural Resources and Life Sciences, Vienna, Austria;

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

    Climate change; Building simulation; Office buildings; Urban heat island; Energy demand;

    机译：气候变化;建筑模拟;办公大楼;城市热岛;能源需求;

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