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Thermal performance investigation of a living wall in a dry climate of Australia

机译：澳大利亚干旱气候下的活动墙热性能研究

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摘要

There is a paucity of information regarding contribution of living wall systems in building environments and energy performance in dry climates. In this study, thermal sensors were installed for monitoring temperature and relative humidity of a living wall, a bare wall, and surrounding microclimate and also indoor back walls. Two scenarios of warm and cold days were considered in this research during February until August 2015. During the warm day's scenario, the recorded temperatures on the bare wall surface varied from 14 to 61 degrees C while the recorded temperatures on the living wall were lower, from 12.50 to 46 degrees C. Similarly, temperature data collected from both bare and living walls during cold day's scenario ranged from 7 to 18 degrees C. However, the surface of the bare wall was warmer than living wall in both scenarios. The living wall did not show significant effect on the temperature of studied microclimate of 0.50 and 1.00 m, while the living wall was significantly effective on reducing the temperature of the studied back wall. In addition, the heat transfer through the living wall was less than the bare wall. The results confirmed the potential of the living wall in creating an insulation layer for the adjacent building while it showed non-significant effect on mitigating urban heat island effects in summer days. Further modelling investigations to study the effects of adding living walls to the building's skin is recommended. (c) 2016 Elsevier Ltd. All rights reserved.
机译：关于活动墙系统在建筑环境中的贡献以及在干燥气候中的能源性能的信息很少。在这项研究中，安装了热传感器以监测活动墙，裸墙，周围的小气候以及室内后墙的温度和相对湿度。这项研究在2月至2015年8月期间考虑了冷天和热天两种情况。在暖天的情况下，裸墙表面记录的温度从14到61摄氏度不等，而活壁上记录的温度则较低，从12.50到46摄氏度。类似地，在寒冷的天气情况下从裸墙和活动墙收集的温度数据范围为7到18摄氏度。但是，在两种情况下，裸墙的表面都比活动墙温暖。活性壁对所研究的小气候0.50和1.00 m的温度没有显着影响，而活性壁对降低所研究的后壁的温度有显着效果。另外，通过活动壁的传热小于裸墙。结果证实了居住墙在为相邻建筑物创建隔热层方面的潜力，而对夏季缓解城市热岛效应的影响不显着。建议进行进一步的模型研究，以研究在建筑物的皮肤上添加活动墙的效果。 （c）2016 Elsevier Ltd.保留所有权利。

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