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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52701

Title: Designing a Rainwater Harvesting System for Urban Green Roof Irrigation, Water Science and Technology: Water Supply
Authors: Liaw Chao-Hsien
Huang En-Hao
Chiu Yie-Ru
Contributors: 國立臺灣海洋大學:河海工程學系
Keywords: green roof
optimal design
rainwater use
tank volume design
Date: 2014-10
Issue Date: 2019-12-23T05:58:33Z
Publisher: Scisence Journals
Abstract: Abstre: Green roof systems have been suggested to ease the growing urban environmental problems resulting from rapid urbanization. However, the irrigation of green roofs heavily depends on using precious potable water and consequently generates negative environmental effects. Rainwater has been recommended to address this dilemma, but the design method has not been well developed. In this study, the major design factors of a rainwater harvesting system for green roof irrigation systems are examined, and a simulation-based mathematical model is established to elucidate the correlation between tank volume and system performance. The optimal system design and probability distribution of the potable water replacement rate are also discussed on the basis of a case study of a university building in Keelung, Northern Taiwan. The results show that the optimal tank volume, potable water replacement rate, and probability of exceedance are 9.41 m3, 92.72%, and 88.76% (±1SD), respectively. In addition, the economic performance is identified to be feasible. Hence, the design method has been verified to be a useful tool to ease the urban environmental issues.
Relation: 15(2) pp 271-277
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52701
Appears in Collections:[河海工程學系] 期刊論文

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