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Thermal assessment of heat mitigation strategies: The case of Portland State University, Oregon, USA

机译:散热策略的热评估:以美国俄勒冈州波特兰州立大学为例

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摘要

Courtyard vegetation, high albedo surfaces, and courtyard ponds were investigated as potential heat mitigation strategies using field measurements and simulations in a university campus environment. The investigation was performed during a summer period in the temperate climate of Portland, Oregon, USA. In a comparison of seven locations on the campus, the maximum park cooling island effect recorded was 5.8 ℃ between the heavily treed campus park and a nearby parking lot with asphalt pavement. Simulations of courtyards with vegetation and a water pond showed 1.6 ℃ and 1.1 ℃ air temperature reduction, respectively. Changing the albedo of the pavement in a bare courtyard from 0.37 (black) to 0.91 (white) led to 2.9 ℃ increase of mean radiant temperature and 1.3 ℃ decrease of air temperature.
机译:在大学校园环境中,通过现场测量和模拟研究了庭院植被,高反照率表面和庭院池塘作为潜在的减热策略。这项调查是在夏季期间在美国俄勒冈州波特兰的温带气候下进行的。在对校园中七个位置的比较中,树木茂密的校园公园与附近有沥青路面的停车场之间记录的最大公园冷却岛效应为5.8℃。带有植被和水塘的院子的模拟分别表明气温降低了1.6℃和1.1℃。将裸露的庭院中人行道的反照率从0.37(黑色)更改为0.91(白色)导致平均辐射温度增加2.9℃,气温降低1.3℃。

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  • 来源
    《Building and Environment》 |2014年第3期|138-150|共13页
  • 作者单位

    Faculty of Architecture and the Built Environment, Delft University of Technology,2628 BL Delft, The Netherlands,Department of Mechanical and Materials Engineering, Portland State University, Portland, OR, USA;

    Department of Mechanical and Materials Engineering, Portland State University, Portland, OR, USA;

    Faculty of Architecture and the Built Environment, Delft University of Technology, Delft, The Netherlands;

    Faculty of Architecture and the Built Environment, Delft University of Technology, Delft, The Netherlands;

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

    Heat mitigation; Termal comfort; Courtyard; Field measurement; ENVI-met simulation;

    机译:减轻热量;永久舒适;庭院;现场测量;ENVI-met模拟;

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