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首页> 外文期刊>Building and Environment >Future moisture loads for building facades in Sweden: Climate change and wind-driven rain
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Future moisture loads for building facades in Sweden: Climate change and wind-driven rain

机译：瑞典建筑外墙未来的湿气负荷：气候变化和风雨

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This work investigates the prospective impacts of climate change on wind-driven rain (WDR) and walls through simulating the hygrothermal performance of rain screen of common vertical wall constructions for the climatic conditions of Gothenburg in Sweden. While a substantial amount of work has been done on the impact of climate change on the thermal performance of buildings, this paper studies its impact - through changes in rain, wind and other climatic parameters - on the amount of water which penetrates the outmost layer of ventilated facades. Importance of three uncertainty factors of the climate data are investigated: uncertainties from global climate models, emissions scenarios and spatial resolutions. Consistency of the results is examined by modelling walls with different materials and sizes, as well as using two mathematical approaches for WDR modelling. Sensitivity of the wall simulations to the wind data is assessed by using synthetic climate with sole wind data. According to the results, higher amounts of moisture will accumulate in walls in the future; climate Uncertainties can cause variations up to 13% in the calculated 30-year average of water content and 28% in its standard deviation. Using sole wind data can augment uncertainties with up to 10% in WDR calculations, however it is possible to neglect changes in future wind data. (C) 2015 Elsevier Ltd. All rights reserved.
机译：这项工作通过模拟瑞典哥德堡气候条件下常见的垂直墙结构的雨屏的湿热性能，研究了气候变化对风雨和墙壁的潜在影响。尽管已经就气候变化对建筑物的热力性能的影响进行了大量工作，但本文还是通过降雨，风和其他气候参数的变化研究了气候变化对渗透到建筑物最外层的水量的影响。通风的外墙。研究了气候数据的三个不确定性因素的重要性：来自全球气候模型，排放情景和空间分辨率的不确定性。通过对具有不同材料和尺寸的墙进行建模，以及使用两种数学方法进行WDR建模，可以检查结果的一致性。墙模拟对风数据的敏感性通过使用具有唯一风数据的合成气候来评估。根据结果​​，将来墙壁中会积累更多的水分；气候不确定性可能导致计算出的30年平均水含量变化高达13％，其标准偏差变化高达28％。在WDR计算中，使用唯一的风数据可以将不确定性增加多达10％，但是可以忽略未来风数据的变化。 （C）2015 Elsevier Ltd.保留所有权利。

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