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dc.contributor.authorZhou, Yen_US
dc.contributor.authorMui, KWen_US
dc.contributor.authorWong, LTen_US
dc.identifier.citationWater, 2019, v. 11, no. 1, 100en_US
dc.description.abstractThe installation of water efficient appliances is an efficient demand-side water management measure favored by policymakers and water providers nowadays. The adoption of low flow showerheads in large and complex plumbing systems will not only contribute to a great reduction of shower water use in the whole water system, but also further influence the water supply system design. Hence, it is necessary to justify the redesign of existing water supply systems (such as the pipe size, storage tank volume, pumping arrangement etc.) in terms of the use of low flow showerheads. This study uses Monte Carlo simulations to evaluate the design flow rate for a typical high-rise roof tank water supply system in Hong Kong with the installation of low flow showerheads. The simulation results indicate that a full installation of low flow showerheads can decrease the design flow rate by 15%, corresponding to an energy efficiency improvement of 1.5%. The potential for water savings and associated energy savings can be significantly higher when all installed appliances in homes are water efficient (e.g., showerheads, water taps, washing machines). Further work is required to evaluate the redesign of existing water supply systems for a sustainable future.en_US
dc.description.sponsorshipDepartment of Building Services Engineeringen_US
dc.publisherMolecular Diversity Preservation International (MDPI)en_US
dc.rights© 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
dc.rightsThe following publication Zhou Y, Mui K-W, Wong L-T. Evaluation of Design Flow Rate of Water Supply Systems with Low Flow Showering Appliances. Water. 2019; 11(1):100 is available at
dc.subjectDesign flow rateen_US
dc.subjectEnergy efficiencyen_US
dc.subjectLow flow showeringen_US
dc.subjectMonte Carlo simulationen_US
dc.subjectWater supply systemen_US
dc.titleEvaluation of design flow rate ofwater supply systems with low flow showering appliancesen_US
dc.typeJournal/Magazine Articleen_US
dc.description.validate201904 bcmaen_US
Appears in Collections:Journal/Magazine Article
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