Title: | Experimental investigations of thermal managements solutions in data centers buildings for different arrangements of cold aisles containments. Journal of Building Engineering 5 (2016) 41–49 |
Authors: | S.A. Nada, K.E.Elfeky |
Year: | 2016 |
Keywords: | Not Available |
Journal: | Journal of Building Engineering |
Volume: | 5 |
Issue: | Not Available |
Pages: | 41-49 |
Publisher: | Elsevier |
Local/International: | International |
Paper Link: | |
Full paper | Not Available |
Supplementary materials | Not Available |
Abstract: |
Cold aislescontainmentsareusedindatacentersbuildingstoimprovethethermalmanagementsoftheIT servers.Inthepresentstudy,anexperimentalinvestigationofair flow andthermalmanagementofdata center buildingsisconductedfordifferentarrangements of coldaislescontainments.Ascaledphysicalmodel simulating realdatacentersisdesignedusingscalemodelingtheoryandconstructedforthesakeofthe presentexperimentalwork.Thedatacenterscaledmodelaccommodatearowofthreeracks;eachrack included fourserversfortestingpurposes.Threearrangementsofcoldaislesaretested:(i)freeopencoldaisle, (ii)semi-enclosedcoldaisleswheretheaislesareenclosedfromthesides,and(iii)fullenclosedcoldaisles, wheretheaislesareenclosedfromsidesandtop.Frontandrearrackstemperaturesprofile, serverstem- peraturesandperformancemeasuringparametersSupply/ReturnHeatIndex(SHI/RHI)areusedtoevaluate the thermalmanagement/performanceofthedatacentersracks.Experimentswereconductedatdifferent rackspowerdensities.Theresultsshowedthat(i)increasingdatacenterspowerdensityandsuppliedair flow ratesimprovesSHIbutincreasesserverstemperature,(ii)usingsemi-enclosedcoldaislesrelativelyimprove the thermalperformanceofthedatacenters,(iii)using fullenclosedcoldaislesdramaticallyimprovethe thermal performanceofthedatacenterservers,and(vi)thepercentageofenhancementindatacenters performance duetousingcoldaislecontainmentsdramaticallyincreaseswithincreasingthepowerdensity. |