泵送创新——浸没式冷却液的长期测试.pdf

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1、Yann Passard&Sandra Duncker Pumping Innovation Long-term Testing with an Immersion Cooling FluidPumping Innovation Long-term Testing with an Immersion Cooling FluidYann Passard,Group Director Business Support&Application Solutions Europe,WiloSE,FranceSandra Duncker,Senior Technologist,Castrol German

2、y GmbH,GermanyImmersion CoolingEspecially at high rack densities,Immersion Cooling systems require forced convection via pumpingFor best possible PUE results,these pumps should have a very high efficiency and reliabilityWilo offers high efficiency pumpsCastrol offers high efficiency Immersion Coolin

3、g fluidsDecision to work together to develop a pump solution fit for Immersion Cooling applicationsWilo and Castrol Idea behind collaboration Purpose of testingPumps are not fallingunder specific OCP focus despite being a key component of datacenter liquid cooling systems,Pumps are used 24/7 in imme

4、rsion cooling real conditions and play an important role in ensuringsystem performance and reliability,No defined rules for fluid/pump combination testingMaterial compatibility evaluationPump adaptationEndurance test Analysis of working conditions Test bench adaptations Testing Analysis of results f

5、inalizationCompatibility testing high efficiency pump vs.fluidParameterValue from OCP guidelines for material compatibility testingWilo-internal qualification methodfor immersion coolingTemperature(C)80C80 CDuration(h)3361500(7h55 ON/5min OFF)Fluid volume(L)0.880Flow/1500 L/hPressure/1.2 barsProcess

6、 descriptionContinuous flow,power&temperature monitoringPerformance check before/after testFrom a first test to a positive result1sttrialTensile strenght testSamplesMax force tensiletest NBehaviorNew impeller409500 h aged at 80Cin thermal management fluid229/185known behaviorNot critical1000 h aged