在现代数据中心集成铝制热交换器.pdf

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1、Mohamad Hnayno Dominik Sporna Integration of Aluminum Heat Exchangers in Data CentersIntegration of Aluminum Heat Exchangers in Data CentersMohamad Hnayno Dominik SpornaCOOLING ENVIRONMENTS&LIQUID COOLINGAluminum HEX-in Automotive since 80 Market dominance since late 1990sReplaced copper/brass radia

2、tors to improve weight/costs/efficiencyExposed to external&internal corrosive environmentsMulti stage severe validation method developed by OEMs and SAE/ASTM 100 mln ALU Brazed radiators are being produced every year for Automotive3Aluminum Heat ExchangersMAIN CHALLENGES WHEN IMPLEMENTING TO DATA CE

3、NTER APPLICATIONS Compatibility and Efficiency with Existing Cooling Systems Air Flow efficiency&Coolant Pressure dropCorrosion of Aluminum Components in Data Center EnvironmentsIntegration of New Materials and Technologies into Current Infrastructure:Filtration RequirementsWater Quality and Particu

4、late FiltrationWetted Materials and Inhibitor Packages4GasketFinSide plateTube Material DescriptionTube Material DescriptionALU sacrificial layerALU sacrificial layerALU brazing layerALU brazing layerALU structuralALU structuralAir SideAir SideCoolant SideCoolant Side5Sacrificial layer-thin inner tu

5、be material layer with unique chemical composition that provides cathodic corrosion protectionAluminum Heat Exchangers CONSTRUCTION REMINDERPower,Air&Coolant dP Comparison Comparison testing performed by OVH Cloud3 x Heat Exchangers mounted in the real-world racksTesting done in adiabatic chamber in

6、 controlled lab conditionsCoolant Fluid:Water 66CONVENTIONAL COPPER TUBE RADIATORS vs BRAZED ALUMINUM HEAT EXCHANGERSAluminium HEX match performanceof Copper HEXAluminium HEX significantly reduce coolant dPvs.Copper HEXAluminium HEX allows same fan workloadas Copper HEX7Power,Air&Coolant dP Comparis