Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/76461
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dc.contributorDepartment of Building Services Engineering-
dc.creatorSong, MJ-
dc.creatorWang, XJ-
dc.creatorLiao, LY-
dc.creatorDeng, SM-
dc.date.accessioned2018-05-10T02:56:01Z-
dc.date.available2018-05-10T02:56:01Z-
dc.identifier.issn1876-6102-
dc.identifier.urihttp://hdl.handle.net/10397/76461-
dc.description8th International Conference on Applied Energy (ICAE), Beijing, People's Republic of China, Oct 08-11, 2016en_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.rights© 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).en_US
dc.subjectAir source heat pumpen_US
dc.subjectMulti-circuit outdoor coilen_US
dc.subjectReverse cycle defrostingen_US
dc.subjectDefrosting termination temperatureen_US
dc.subjectExperimental studyen_US
dc.titleTermination control temperature study for an air source heat pump unit during its reverse cycle defrostingen_US
dc.typeConference Paperen_US
dc.identifier.spage335-
dc.identifier.epage342-
dc.identifier.volume105-
dc.identifier.doi10.1016/j.egypro.2017.03.323-
dcterms.abstractFor an air source heat pump (ASHP) unit with a vertically installed multi-circuit outdoor coil, a reverse cycle defrosting (RCD) operation is always terminated when the tube surface temperature at the exit of the lowest circuit reaches a pre-set value. It is obviously that when the pre-set temperature is higher, the defrosting duration would be prolonged. Not only more energy would be consumed on heating cold ambient air, but also the occupants' thermal comfort adversely affected. However, if the pre-set temperature is lower, more residual water would be left on the downside surface of fin in an outdoor coil, which degrades the system performance during the next frosting/defrosting cycle. In order to find a suitable DTT or its range, in this paper, an experimental investigation on RCD operation for an ASHP unit with a multi-circuit outdoor coil was conducted and reported. As concluded, DTT is suitable at the range of 20-25 degrees C, around 22 degrees C.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationEnergy procedia, 2017, v. 105, p. 335-342-
dcterms.isPartOfEnergy procedia-
dcterms.issued2017-
dc.identifier.isiWOS:000404967900052-
dc.relation.conferenceInternational Conference on Applied Energy [ICAE]-
dc.identifier.eissn1876-6102-
dc.description.validate201805 bcrc-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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