Thermal Study on Extensive Green Roof Integrated Irrigation in Northwestern Arid Regions of China
AbstractSelection of xerophils and drought tolerant plants is highly crucial in green roof techniques in the drought prone regions of Northwest China. In this study, the thermal performance under the natural conventional climate in summer was analyzed using a self-made simulation experimental platform through comparison of the internal surface temperature with and without green roofs. The distribution frequency of internal surface temperature was investigated by dividing internal surface temperature into several ranges. Statistical analysis showed that the frequency of internal surface temperature lower than 33 °C for green roofs was 91.8%, about 1.09 times higher than that for non-green roofs, and that the sum of internal surface temperature exceeding 35 °C was about one third of that for non-green roofs. The results proved that green roofs have a significant insulation effect. Moreover, the thermal insulation property of green roofs had a strong positive relation with outside temperature. The thermal insulation characteristic was improved as the outdoor temperature increased, additionally, it had a better insulation effect within two hours after irrigation. View Full-Text
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Wang, Y.; Singh, R.P.; Fu, D.; Zhang, J.; Zhou, F. Thermal Study on Extensive Green Roof Integrated Irrigation in Northwestern Arid Regions of China. Water 2017, 9, 810.
Wang Y, Singh RP, Fu D, Zhang J, Zhou F. Thermal Study on Extensive Green Roof Integrated Irrigation in Northwestern Arid Regions of China. Water. 2017; 9(11):810.Chicago/Turabian Style
Wang, Yajun; Singh, Rajendra P.; Fu, Dafang; Zhang, Junyu; Zhou, Fang. 2017. "Thermal Study on Extensive Green Roof Integrated Irrigation in Northwestern Arid Regions of China." Water 9, no. 11: 810.
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