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Assessment of the effect of living wall systems on the improvement of the urban heat island phenomenon

机译：评估生活墙系统对城市热岛现象改进的影响

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摘要

The main objective of this research is to study the effect of a panel living wall on the ambient air temperature and its effect on reducing day and night temperature fluctuations. A living wall has been introduced as an appropriate way to reduce the urban heat island phenomenon. To achieve the purpose, a living wall was applied to the body of a controllable chamber, and two data loggers for temperature and humidity were used. In the first experiment, three types of walls, including a wall without plants, a wall with panels and a living wall, are compared for three consecutive days. In the second experiment, a device is placed adjacent to the living wall and another is placed in the same condition in front of a part of the wall that does not have plants. These data were recorded for 24 h a day over 10 days and compared. This research was conducted in Shiraz, Iran, which has a hot, semi-arid climate. To validate the results, a computer simulation with the ENVI-met program was used. The results show that the panel living wall system can reduce the ambient air temperature by up to 8.7 degrees C. Additionally, the living wall reduces the temperature fluctuations by decreasing the maximum and increasing the minimum temperatures of the ambient air. During the hours of solar radiation, the temperature dropped by an average of 2.59 degrees C. It is concluded that living walls can effectively improve the urban heat island phenomenon by reducing its surroundings' temperatures.
机译：本研究的主要目的是研究面板生活墙对环境空气温度的影响及其对减少日夜温度波动的影响。已经引入了生活墙作为减少城市热岛现象的合适方法。为了达到目的，将活壁施加到可控室的主体，并且使用两个用于温度和湿度的数据记录器。在第一个实验中，连续三天比较了三种类型的墙壁，包括没有植物的墙壁，带有面板的墙壁和带有墙壁的墙壁。在第二实验中，将装置放置在与活壁附近，另一个装置放置在不具有植物的壁的一部分的相同条件下。这些数据每天24小时记录在10天内，并比较。这项研究是在伊朗的Shiraz进行的，它具有热，半干旱的气候。为了验证结果，使用了具有Envi-Met程序的计算机模拟。结果表明，面板生活墙系统可以将环境空气温度降低至8.7摄氏度。此外，活墙通过降低最大值并增加环境空气的最小温度来降低温度波动。在太阳辐射的时间内，温度平均下降2.59℃。结论，生活墙可以通过减少周围环境的温度有效地改善城市热岛现象。

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