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dc.contributor.authorHu, Haitao
dc.contributor.authorEikevik, Trygve Magne
dc.contributor.authorNekså, Petter
dc.contributor.authorHafner, Armin
dc.contributor.authorDing, Guoliang
dc.contributor.authorHuang, Qingnan
dc.contributor.authorYe, Jingjing
dc.date.accessioned2018-04-05T11:23:29Z
dc.date.available2018-04-05T11:23:29Z
dc.date.created2015-11-11T14:09:02Z
dc.date.issued2016
dc.identifier.citationInternational journal of refrigeration. 2016, 63 72-86.nb_NO
dc.identifier.issn0140-7007
dc.identifier.urihttp://hdl.handle.net/11250/2492820
dc.description.abstractIn order to decrease the earth's energy imbalance degree, a R744 ground source heat pump system (GSHPS) with air-cooled and water-cooled gas coolers was designed, and the performances of this system were analyzed numerically. The results show that, for the proposed R744 system in different regions, the earth's energy imbalance degree can always be decreased to zero by optimizing the cooling load proportion of air-cooled gas cooler. Comparing with the system without air-cooled gas cooler, the investment cost of the proposed R744 system is decreased by 14.5%~25.5% due to the decreasing cost of ground heat exchanger, and the coefficient of performance is increased. With the increase of ground heat exchanger depth, the performance deteriorates, and the ground heat exchanger with shorter depth is preferred in the GSHPS. The investment and operation costs of the proposed R744 system are lower than that of the existing R134a system.nb_NO
dc.language.isoengnb_NO
dc.publisherElseviernb_NO
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/deed.no*
dc.titlePerformance analysis of an R744 ground source heat pump system with air-cooled and water-cooled gas coolersnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionacceptedVersionnb_NO
dc.source.pagenumber72-86nb_NO
dc.source.volume63nb_NO
dc.source.journalInternational journal of refrigerationnb_NO
dc.identifier.doi10.1016/j.ijrefrig.2015.10.029
dc.identifier.cristin1288130
dc.relation.projectNorges forskningsråd: 195182nb_NO
dc.description.localcode© 2015. This is the authors’ accepted and refereed manuscript to the article. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/nb_NO
cristin.unitcode194,64,25,0
cristin.unitnameInstitutt for energi- og prosessteknikk
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode2


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Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal
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