MATEC Web Conf.
Volume 101, 2017Sriwijaya International Conference on Engineering, Science and Technology (SICEST 2016)
|Number of page(s)
|09 March 2017
Performance of rainwater harvesting system based on roof catchment area and storage tank capacity
1 Faculty of Civil and Environmental Engineering, Bandung Institute of Technology, Indonesia
2 Water Resources Development Center, Bandung Institute of Technology, Indonesia
3 Center for Research on Infrastructure and Regional, Bandung Institute of Technology, Indonesia
4 School of Architecture, Planning, and Development Policy, Bandung Institute of Technology, Indonesia
* Corresponding author: firstname.lastname@example.org
Increasing population growth has created problems in water resources. Natural water resources become progressively more expensive and difficult to develop. In addition, it is also becoming increasingly polluted and difficult to obtain. Many countries shown a resurgent interest in the use of rainwater harvesting (RWH) technique to overcome these problems. There are several factors that will influence the RWH performance, such as the rainfall, catchment area, storage tank capacity, and water demand. The performance parameter determines by the volumetric reliability, time reliability, and yield. The RWH system used in this study is a simple RWH system that utilizes roof as a catchment area, pipes as a distribution system and tank as a storage. An analysis is carried out to investigate the effect of altering the large of the catchment area and storage tank capacity to the RWH system performance parameters. A suitable behavioral model based on the water balance method is implemented to evaluate the inflow, outflow, and the storage volume. Results demonstrate that with up to 15 years daily rainfall data in 15 cities in Indonesia, the most influential parameters on the performance of RWH system is the time reliability.
© The Authors, published by EDP Sciences, 2017
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