[논문]관수조절에 의한 벽면녹화의 냉각효과 분석 연구- 아이비, 수호초를 식재한 모듈형 벽면녹화를 중심으로-

김은섭; 윤석환; 박정강; 전윤호; 강혜원; 김상혁; 김지연; 이용구; 이동근

doi:10.13087/kosert.2021.24.6.121

관수조절에 의한 벽면녹화의 냉각효과 분석 연구- 아이비, 수호초를 식재한 모듈형 벽면녹화를 중심으로-
A field Study to Evaluate Cooling Effects of Green Facade under Different Irrigation Conditions - Focusing on modular green facade planted with Hedera helix L and Pachysandra terminalis - 원문보기

環境復元綠化 = Journal of the Korean Society of Environmental Restoration Technology, v.24 no.6, 2021년, pp.121 - 132

김은섭 (서울대학교 협동과정 조경학, 스마트시티 글로벌 융합 전공) , 윤석환 (서울대학교 협동과정 조경학, 스마트시티 글로벌 융합 전공) , 박정강 (서울대학교 조경지역시스템공학부) , 전윤호 (서울대학교 조경지역시스템공학부) , 강혜원 (서울대학교 조경지역시스템공학부) , 김상혁 (서울대학교 조경지역시스템공학부) , 김지연 (서울대학교 협동과정 조경학, 스마트시티 글로벌 융합 전공) , 이용구 ((주)에코엔지오) , 이동근 (서울대학교 조경지역시스템공학부, 스마트시티 글로벌 융합 전공)

Abstract ▼ AI-Helper

Green facade has a significant impact on building's energy performance by controlling the absorption of solar radiation and improving outdoor thermal comfort through shading and evapotranspiration. In particular, since high-density building does not enough green space, green facade, and rooftop greening using artificial ground plants are highly utilized. However, the level of cooling effect according to plant traits and irrigation control is different. Therefore, in this study, the cooling effect analyzed for a total of 4 cases by controlling the irrigation condition based on hedera and spurge. Although hedera under sufficient water had the highest cooling effect(-2℃~-4℃), had the lowest cooling effect under non-irrigation(+1.1℃~+4.4℃). In addition, hedera under sufficient water had cooling effect than hedera under non-irrigation(-1℃~-8.1℃) and in the case of spurge, it had cooling effect(-0.3℃~-7.8℃) more than non-irrigation. As a result of measuring the amount of transpiration according to the light intensity (PAR) and carbon dioxide concentration conditions, transpiration of hedera was higher than the spurge (respectively 0.63204mmolm-2s-1, 0.674367mmolm-2s-1). The difference in the cooling effect of the green facade under irrigation condition was significant. But the potential cooling effect of green facade according to plants species was different. Therefore, in order to maximize and continuously provide the cooling effect of green facade in urban areas, it is necessary to consider the characteristics of plants and the control of water supply through the irrigation system.

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표/그림 (8)

그림 Figure 1. Meteorological conditions from green facade (blue line: Air temperature (℃), orange line:Relative Humidity(%), Gray line: Wind speed (m/s) from August 28- September 9.
그림 Figure 2. Experimental set up: (left) North facing green facade on suwon urban development corporation (right) From left to right: plants under non irrigation, plants under sufficient water in pots and sensors positions (red crosses)
표 Table 1. equipment list and location of measurement sensor
그림 Figure 3. Soil moisture of green facade under different irrigation conditions
그림 Figure 4. The surface temperature(°F) image of the plants under different irrigation conditions in the experimental designed on 29 Aug 2021 at 14:00. (a) the surface temperature of the Hedera helix under non-irrigation (b)the surface temperature of the Japanese spurge under non-irrigation (c)the surface temperature of the Hedera helix under sufficient irrigation (d) the surface temperature of the Japanese spurge under sufficient irrigation
그림 Figure 5. (a) Surface temperature of the hedera and spurge for comparison over the eight days. (b) Difference between hedera and spurge under sufficient water (c) Difference between hedera and spurge under Non-irrigation
그림 Figure 6. (a) Surface temperature of the hedera under difference water supply over the eight days. (b) Surface temperature of the spurge under difference water supply over the eight days. (blue line) indicate difference Surface temperature of leaves between irrigation conditions
그림 Figure 7. Transpiration to PAR based on Photosynthetic light-response (a) and transpiration to CO₂ based on CO₂-response curves (b) in the leaves of Japanese spurge(blue point) and Hedera helix(Orange point) (the measurements were made at a CO₂ concentration of 400 μmol mol^-1 and at a PPFD of 1500 μmol mol- 1, respectively for light-response curves and CO₂-response curves).

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저자의 다른 논문 :

표제어: PCR

동의어: Packet Collision Rate

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용어 설명: PCR은 세균 특이성이 있는 primer를 이용하여 적은 수의 세균이 있을지라도 쉽게 검출할 수 있는 유용한 방법이며, 이를 이용하여 구강 내 치면세균막이나 타액에서 직접 세균을 검출할 수 있게 되었다[8].

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