Potential for rainwater use in high-rise buildings in Australian cities

Yan, Zhang; Chen, Donghui; Chen, Liang; Ashbolt, Stephanie

doi:10.1016/j.jenvman.2009.08.008

Cited by 121 publications

(72 citation statements)

References 7 publications

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“…Similar studies corroborate that the rainwater harvesting system also provides the advantage from an economic standpoint [3][4][5][6][7][8][9]. The rainwater harvesting concept also bestows significant impact on the surrounding environment [10].…”

Section: Introductionsupporting

confidence: 61%

Performance of rainwater harvesting system based on roof catchment area and storage tank capacity

et al. 2017

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Abstract. 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.

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Section: Introductionsupporting

confidence: 61%

Performance of rainwater harvesting system based on roof catchment area and storage tank capacity

et al. 2017

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“…In addition, various methodologies have been established to measure potential water savings [5,6,29,32]. While these definitions and methodologies often were used to explain similar concepts, the lack of universal agreement on the terminologies can be quite confusing.…”

Section: Classification and Definition Of Domestic Rainwater Harvestimentioning

confidence: 99%

Framework for Assessing the Rainwater Harvesting Potential of Residential Buildings at a National Level as an Alternative Water Resource for Domestic Water Supply in Taiwan

Liaw

Chiang

2014

Water

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Domestic rainwater harvesting (DRWH) is widely recognized as an alternative source of water in Taiwan because of water shortages. This suggests that rainwater potential should be maximized and quantified. In this article, we assess the potential of DRWH at a national level. To consider the climatic, building characteristic, economic, and ecological aspects of DRWH, we propose three categories: (1) theoretical; (2) available; and (3) environmental bearable rainwater potential. Four main steps were followed to develop the proposed framework: (1) Fifteen rainfall zones across Taiwan were generated through cluster analysis based on the average annual 10-day rainfall distributions of rainfall stations and administrative districts; (2) The roof area in each rainfall zone was estimated using a geographic information system (GIS) and land use classification database; (3) The weighted percentage of rainwater use in each rainfall zone was determined by the optimal point on the storage capacity and rainwater supply reliability curve for an equivalent building from each building type; (4) The percentage of the total roof area used to harvest rainwater in each region depends on the downstream impact of the stream flow. The procedures developed in this study constitute an effective tool for preliminarily estimation of the national DRWH potential. OPEN ACCESSWater 2014, 6 3225

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“…The ability of conventional RWH systems to simultaneously provide the dual benefits of water supply augmentation and stormwater retention has been widely recognized and assessed through both modelling and empirical studies [24][25][26][27][28]30]. Increasingly, RWH systems are being designed with a focus on low-impact stormwater management.…”

Section: Introductionmentioning

confidence: 99%

Improving the Multi-Objective Performance of Rainwater Harvesting Systems Using Real-Time Control Technology

Fletcher

Duncan

et al. 2018

Water

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Abstract:Many studies have identified the potential of rainwater harvesting (RWH) systems to simultaneously augment potable water supply and reduce delivery of uncontrolled stormwater flows to downstream drainage networks. Potentially, such systems could also play a role in the controlled delivery of water to urban streams in ways which mimic baseflows. The performance of RWH systems to achieve these three objectives could be enhanced using Real-Time Control (RTC) technology to receive rainfall forecasts and initiate pre-storm release in real time, although few studies have explored such potential. We used continuous simulation to model the ability of a range of allotment-scale RWH systems to simultaneously deliver: (i) water supply; (ii) stormwater retention; and (iii) baseflow restoration. We compared the performance of RWH systems with RTC technology to conventional RWH systems and also systems designed with a passive baseflow release, rather than the active (RTC) configuration. We found that RWH systems employing RTC technology were generally superior in simultaneously achieving water supply, stormwater retention and baseflow restoration benefits compared with the other types of system tested. The active operation provided by RTC allows the system to perform optimally across a wider range of climatic conditions, but needs to be carefully designed. We conclude that the active release mechanism employing RTC technology exhibits great promise; its ability to provide centralised control and failure detection also opens the possibility of delivering a more reliable rainwater harvesting system, which can be readily adapted to varying climate over both the short and long term.

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Potential for rainwater use in high-rise buildings in Australian cities

Cited by 121 publications

References 7 publications

Performance of rainwater harvesting system based on roof catchment area and storage tank capacity

Performance of rainwater harvesting system based on roof catchment area and storage tank capacity

Framework for Assessing the Rainwater Harvesting Potential of Residential Buildings at a National Level as an Alternative Water Resource for Domestic Water Supply in Taiwan

Improving the Multi-Objective Performance of Rainwater Harvesting Systems Using Real-Time Control Technology

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