As a countermeasure to reduce the effects of heat islands in a city, it is suggested to secure urban green in a city. Among the ways to reserve such urban green, this study evaluated the effects of green walls on reducing room temperature quantitatively and gained the followings results: First, a...
As a countermeasure to reduce the effects of heat islands in a city, it is suggested to secure urban green in a city. Among the ways to reserve such urban green, this study evaluated the effects of green walls on reducing room temperature quantitatively and gained the followings results: First, according to the temperature changes, the highest temperature was about 32.34℃ at 15:00 on the 29th, and the lowest temperature was about 23.83℃ at 06:00 on the 30th; thus, the daily range was quite large as about over 8.51℃. Second, regarding the room temperature changes on the sides and walls, the sides showed about over 1℃ lower temperature than the walls in all time zones. Also, according to the temperature changes of walls by time zones, walls and sides showed 1.2℃ difference averagely, so it was observed that the inner walls of the sides indicated lower temperature. Third, in comparison of temperature changes in outer walls and inner walls by time zones, the greatest temperature difference was 10.8℃ in outer walls and 1.6℃ in inner walls while the lowest was 1.2℃ in inner walls and 0.9℃ in outer walls. In other words, the green of outer walls must have reduced solar radiation reaching the walls. Secondarily, this led to the reduction of room temperature. And outer walls’ temperature showed great difference while inner walls’ temperature indicated only 1℃ or so difference. From this, we can infer that in the actual buildings, the insulation in the wall reduces the effects of greening.
As a countermeasure to reduce the effects of heat islands in a city, it is suggested to secure urban green in a city. Among the ways to reserve such urban green, this study evaluated the effects of green walls on reducing room temperature quantitatively and gained the followings results: First, according to the temperature changes, the highest temperature was about 32.34℃ at 15:00 on the 29th, and the lowest temperature was about 23.83℃ at 06:00 on the 30th; thus, the daily range was quite large as about over 8.51℃. Second, regarding the room temperature changes on the sides and walls, the sides showed about over 1℃ lower temperature than the walls in all time zones. Also, according to the temperature changes of walls by time zones, walls and sides showed 1.2℃ difference averagely, so it was observed that the inner walls of the sides indicated lower temperature. Third, in comparison of temperature changes in outer walls and inner walls by time zones, the greatest temperature difference was 10.8℃ in outer walls and 1.6℃ in inner walls while the lowest was 1.2℃ in inner walls and 0.9℃ in outer walls. In other words, the green of outer walls must have reduced solar radiation reaching the walls. Secondarily, this led to the reduction of room temperature. And outer walls’ temperature showed great difference while inner walls’ temperature indicated only 1℃ or so difference. From this, we can infer that in the actual buildings, the insulation in the wall reduces the effects of greening.
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