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Solar driven liquid desiccant dehumidification system: Measurements and annual system simulations

dc.date.accessioned2024-02-09T09:03:19Z
dc.date.available2024-02-09T09:03:19Z
dc.date.issued2024-01-17
dc.identifierdoi:10.17170/kobra-202402099551
dc.identifier.urihttp://hdl.handle.net/123456789/15447
dc.description.sponsorshipGefördert im Rahmen des Projekts DEAL
dc.language.isoeng
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectLiquid desiccanteng
dc.subjectDehumidificationeng
dc.subjectRegenerationeng
dc.subjectSolar heateng
dc.subjectTRNSYSeng
dc.subject.ddc620
dc.titleSolar driven liquid desiccant dehumidification system: Measurements and annual system simulationseng
dc.typeAufsatz
dcterms.abstractLiquid desiccant air conditioning (LDAC) systems are used for dehumidification of air to low dew point temperatures. In the presented study a TRNSYS model of a LDAC unit is developed and validated with laboratory measurements. This model is coupled with a solar thermal system that provides heating water for the regeneration process. With this model dynamic annual system simulations can be carried out to simulate the dehumidification of a building. The solar fraction is evaluated for various infiltration rates of the building and solar collector areas with an internally cooled as well as an adiabatic absorption process. The simulation results reveal that high solar fractions of 70 % to 81 % can be achieved when dimensioning the solar thermal system to cover the regeneration heat demand on a good summer day. This is due to the good correlation of solar irradiance and dehumidification load. Without internal cooling of the absorption process (adiabatic conditions), the solar fraction is reduced by about 10 percent points for the same size and operating conditions.eng
dcterms.accessRightsopen access
dcterms.creatorMandow, Wael
dcterms.creatorMicus, Felix
dcterms.creatorVölker, Lisa
dcterms.creatorFleig, Daniel
dcterms.creatorJordan, Ulrike
dc.relation.doidoi:10.1016/j.applthermaleng.2024.122485
dc.subject.swdSolartechnikger
dc.subject.swdSystemger
dc.subject.swdRegeneratorger
dc.subject.swdEntfeuchterger
dc.type.versionpublishedVersion
dcterms.source.identifiereissn:1359-4311
dcterms.source.journalApplied Thermal Engineeringeng
dcterms.source.volume242
kup.iskupfalse
dcterms.source.articlenumber122485


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