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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50595

Title: Optimizing rainwater harvesting systems as an innovative approach to saving energy in hilly communities
Authors: Yie-Ru Chiu
Chao-Hsien Liaw
Liang-Ching Chen
Contributors: 國立臺灣海洋大學:河海工程學系
Keywords: Rainwater harvesting
Energy saving
Marginal analysis
Date: 2009-03
Issue Date: 2018-10-16T08:21:19Z
Publisher: Renewable Energy Renewable Energy
Abstract: Abstract: Rapid urbanization is increasing the amount of hilly communities around many large cities; therefore, saving water pumping energy deserves significant priority. This work proposes optimized rooftop rainwater harvesting systems (RRWHSs) and provides an energy-saving approach for hilly communities. The most cost-effective rainwater tank volumes for different dwelling types are calculated using marginal analysis. The case study at Hua-Chan Community in northern Taiwan indicates that the optimum rainwater tank volumes range from 5 m3 to 10 m3 according to the type of dwelling. The results also reveal that rainwater harvesting becomes economically feasible when both energy and water savings are addressed together. Furthermore, the cost of unit energy saving from RRWHSs is lower than that from solar PV systems. Hence, RRWHSs provide not only water savings, but also as an alternative renewable energy-saving approach to address the water–energy dilemma caused by the ever-growing hilly communities.
Relation: 34(3) pp.492-498
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50595
Appears in Collections:[河海工程學系] 期刊論文

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