风冷或液冷服务器——合适地点的正确产品 .pdf

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1、Deborah Andrews,Professor of Design,London South Bank UniversityStefan Frenzel,Managing Director,DMEKristina Kerwin,PhD researcher,London South Bank UniversityDavid Gyulnazaryan,Director and Consultant,ImpleonSteve Clement,Senior Researcher,TechbuyerAir or Liquid Cooled Servers-the right product for

2、 the right placeLeast to most comprehensive/accurate impact assessmentCarbon footprint operational energy only carbon&equivalent,no impact Carbon Footprint operational+embodied impact cradle to gate/cradle to cradleLife Cycle Assessment environmental impact assessment Cradle to Gate/CradleLife Cycle

3、 Sustainability Assessment Environmental impact LCA-Life Cycle Assessment Social impact S-LCA-Social Life Cycle Assessment Economic impact LCC Life Cycle CostingCarbon&Life Cycle AssessmentCarbon assessment Comprehensive LCAClimate ChangeResources depletion -fresh waterHuman toxicityAbiotic resource

4、 depletionFossil resources depletionEutrophicationAcidification(earth and oceans)Ozone layer depletionIonising radiationsParticulates matterLand use and land use changesComparing carbon and comprehensive LCALCA parameters-constantsHPE ProLiant DL380 Gen 10 air cooledIceotope immersion cooled uses Pr

5、oliant Gen 10 chassis LCA Results LCA parameters variables Different climates/ambient temps and different grid mixesMid Europe UK/Germany/FranceSouth Europe Italy/Spain/GreeceCold arctic Norway/Sweden Hot wet Costa Rica,SingaporeHot dry UAE,NamibiaLCA Results Conclusions cradle to gate modelsEnergy

6、input for air cooled server 25%utilisation;200 w/hr;365 days/yr=1,7,47 kWh/yr Models based on DC+server cooling in different locationsResults depend on scope of study:energy difference for server cooling or DC coolingASHRAE climate zones have more impact on PU