Rainwater harvesting (RWH) has been practiced in Ethiopia since ancient times, but it has shown little development, because of inefficient techniques. Most efforts to capture rainwater did not show significant results owing to poor design and implementation resulted from slow technical development. This paper details design improvements tested on a demonstration site as well as an analysis of operational parameters. Similar, rainwater quality improvement techniques applied for the system are also discussed. Various scenarios were studied relating design and operating parameters for replicability and decision-making before construction stage. Common components of existing RWH systems in Ethiopia are discussed and contrasted with the implemented demonstration RWH system. Moreover, particle separation theory and techniques are introduced as quality improvement techniques. Results of the analysis also suggest a possibility of satisfying building demand by utilizing the installed system and it also shows the potential of RWH in Ethiopia as an alternative water source.
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Research Article|
June 20 2015
Design and technical evaluation of improved rainwater harvesting system on a university building in Ethiopia Available to Purchase
Tatek Temesgen;
Tatek Temesgen
1Department of Civil and Environmental Engineering, Seoul National University, 599 Gwanak-ro, Gwanak-gu, Seoul 151-744, South Korea
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Mooyoung Han;
1Department of Civil and Environmental Engineering, Seoul National University, 599 Gwanak-ro, Gwanak-gu, Seoul 151-744, South Korea
E-mail: [email protected]
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Hyunju Park;
Hyunju Park
2Integrated Research Institute of Construction and Environmental Engineering, Seoul National University, 599 Gwanak-ro, Gwanak-gu, Seoul 151-744, South Korea
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Tschung-il Kim
Tschung-il Kim
2Integrated Research Institute of Construction and Environmental Engineering, Seoul National University, 599 Gwanak-ro, Gwanak-gu, Seoul 151-744, South Korea
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Water Supply (2015) 15 (6): 1220–1227.
Article history
Received:
April 15 2015
Accepted:
June 04 2015
Citation
Tatek Temesgen, Mooyoung Han, Hyunju Park, Tschung-il Kim; Design and technical evaluation of improved rainwater harvesting system on a university building in Ethiopia. Water Supply 1 December 2015; 15 (6): 1220–1227. doi: https://doi.org/10.2166/ws.2015.085
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