Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24716
DC FieldValueLanguage
dc.contributorDepartment of Building Services Engineering-
dc.creatorCheung, CT-
dc.creatorMui, KW-
dc.creatorWong, LT-
dc.date.accessioned2015-06-23T09:10:05Z-
dc.date.available2015-06-23T09:10:05Z-
dc.identifier.issn0306-2619-
dc.identifier.urihttp://hdl.handle.net/10397/24716-
dc.language.isoenen_US
dc.publisherPergamon Pressen_US
dc.subjectBuildingen_US
dc.subjectEnergy efficiencyen_US
dc.subjectStorage tank locationen_US
dc.subjectWater consumptionen_US
dc.subjectWater supplyen_US
dc.titleEnergy efficiency of elevated water supply tanks for high-rise buildingsen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage685-
dc.identifier.epage691-
dc.identifier.volume103-
dc.identifier.doi10.1016/j.apenergy.2012.10.041-
dcterms.abstractHigh-rise housing, a trend in densely populated cities around the world, increases the energy use for water supply and corresponding greenhouse gas emissions. This paper presents an energy efficiency evaluation measure for water supply system designs and a mathematical model for optimizing pumping energy through the arrangement of water tanks in a building. To demonstrate that the model is useful for establishing optimal design solutions that integrate energy consumption into urban water planning processes which cater to various building demands and usage patterns, measurement data of 22 high-rise residential buildings in Hong Kong are employed. The results show the energy efficiency of many existing high-rise water supply systems is about 0.25 and can be improved to 0.26-0.37 via water storage tank relocations. The corresponding annual electricity that can be saved is 160-410. TJ, a 0.1-0.3% of the total annual electricity consumption in Hong Kong.-
dcterms.bibliographicCitationApplied energy, 2013, v. 103, p. 685-691-
dcterms.isPartOfApplied energy-
dcterms.issued2013-
dc.identifier.isiWOS:000314669500064-
dc.identifier.scopus2-s2.0-84871711949-
dc.identifier.eissn1872-9118-
dc.identifier.rosgroupidr64058-
dc.description.ros2012-2013 > Academic research: refereed > Publication in refereed journal-
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