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Effect of of irrigation on the experimental thermal performance of a green roof in a semi-warm climate in Mexico

机译：墨西哥半暖气候下灌溉对绿化屋顶实验热性能的影响

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摘要

A study of the experimental thermal performance of a green roof in a semi-warm climate of Mexico, which considers the irrigation effect, is presented. The experiment was performed in two stages. The first stage consisted of selecting from among five types of plants, commonly used in green roofs, the one that tolerates the greatest number of days without irrigation. This stage was carried out in the warm season and we selected the Aeonium subplanum plant for the thermal experimental evaluation. In the second stage, we constructed two test cells in which the temperature and the heat flux of a green roof and a concrete roof were measured for a period of 8 days. During the experimental test the green roof was watered in one day of the evaluation period. From the results, it was found that after the irrigation event the maximum temperature of the green roof components is reduced by 6.4, 4.8 and 1.3 degrees C for vegetation, substrate and slab, respectively. The experimental results show that the use of a green roof decreased the temperature by 20.5 degrees C compared to a concrete roof. The test cell with green roof had an accumulated electricity consumption 1.3 kWh lower than the test cell with the conventional roof, representing 10.3% less electricity consumption. (C) 2017 Elsevier B.V. All rights reserved.
机译：提出了在考虑到灌溉效果的情况下，在墨西哥半温暖气候下的绿色屋顶的实验热性能的研究。实验分两个阶段进行。第一阶段包括从五种通常用于绿化屋顶的植物中选择一种可以忍受最多不灌溉天数的植物。这个阶段是在温暖的季节进行的，我们选择了Aeonium次生植物进行热实验评估。在第二阶段，我们构建了两个测试单元，在其中测试了绿色屋顶和混凝土屋顶的温度和热通量，为期8天。在实验测试期间，在评估期的一天内浇灌了绿色屋顶。从结果可以发现，灌溉事件之后，植被，基质和平板的绿化屋顶组件的最高温度分别降低了6.4、4.8和1.3摄氏度。实验结果表明，与混凝土屋顶相比，使用绿色屋顶可以将温度降低20.5摄氏度。带有绿色屋顶的测试单元的累积耗电量比带有传统屋顶的测试单元低1.3 kWh，相当于减少了10.3％的功耗。 （C）2017 Elsevier B.V.保留所有权利。

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  • 来源
    《Energy and Buildings》 |2017年第11期|232-243|共12页
  • 作者

    Chagolla-Aranda M. A.; Sima E.; Xaman J.; Alvarez G.; Hernandez-Perez I.; Tellez-Velazquez E.;

  • 作者单位

    CENIDET TecNM SEP Prol, Ctr Nacl Invest & Desarrollo Tecnol, Av Palmira S-N, Cuernavaca 62490, Morelos, Mexico;

    CENIDET TecNM SEP Prol, Ctr Nacl Invest & Desarrollo Tecnol, Av Palmira S-N, Cuernavaca 62490, Morelos, Mexico;

    CENIDET TecNM SEP Prol, Ctr Nacl Invest & Desarrollo Tecnol, Av Palmira S-N, Cuernavaca 62490, Morelos, Mexico;

    CENIDET TecNM SEP Prol, Ctr Nacl Invest & Desarrollo Tecnol, Av Palmira S-N, Cuernavaca 62490, Morelos, Mexico;

    Univ Juarez Autonoma Tabasco, Div Acad Ingn & Arquitectura, Carretera Cunduacan Jalpa de Mendez Km 1, Cunduacan 86690, Tabasco, Mexico;

    CENIDET TecNM SEP Prol, Ctr Nacl Invest & Desarrollo Tecnol, Av Palmira S-N, Cuernavaca 62490, Morelos, Mexico;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Irrigation; Thermal evaluation; Green roofs; Energy consumption; Semi-warm climate;

    机译：灌溉;热评估;屋顶绿化;能耗;半温暖气候;

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