人工智能机架和集群的冷却解决方案.pdf

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1、Cooling Solutions for AI Racks and ClustersFoxconn/IngrasysCooling Solutions for AI Racks and ClustersChris PaiEngineering VP/IngrasysAI CLUSTERSData Center Power and Cooling Solution TrendCRPS+Air Cooled2000 2000-201020101990 1990-200020002010 2010-201520151-3kW5-10kW8-20kW2026 2026 300+kWPower Rac

2、k+Fully Liquid CooledPower Shelf+Liquid/Air Hybrid Cooled2016 2016-202020202021 2021-202320232024 2024-2025202550+kW120+kW30kWData Center AI SuperPODsPUE：1.2132 KW/rackLiquid-cooledPUE：1.528 KW/rackAir-cooled Superior thermal efficiency Lower power usage effectiveness of datacenter Higher cooling ca

3、pacityper rack Reduced infrastructure foodprintWhy Liquid Cooling?CDU(L2L)CDU(L2A)Types of Liquid Cooling DLC(Direct Liquid-Cooled)Comparison of Cooling MethodsLiquid to AirNo need facility waterLow cooling capabilitySidecar(Liquid to Air)IT RackSidecar(Liquid to Air)IT RackSidecar(Liquid to Air)IT

4、RackLiquid to LiquidFacility water requiredHigh cooling capabilityIn-row CDU(Liquid to Liquid)IT RackTypes of Liquid Cooling Immersion CoolingSingle PhaseTwo PhasePUE:1.03PUE:1.01 Piping and infrastructure layout Temperature control and regulation Scalability and flexibility considerationsTypical Li

5、quid Cooling Datacenter Layout45-55deg C25-35deg C35-45deg CHeat Rejection(Cooling Tower/Dry Cooler)20-30deg CBuilding Blocks of AI ClusterGPU ClusterNetworkingControl and Management NodesStorageFull Liquid-cooled GPU ClusterCooling BankAI Rack with Power SidecarDiabloDiabloDiabloKey Considerations

6、of The Three Building BlocksRack Architecture for Next Generation AI ServerHigh Density AI RackPower SidecarCooling Bank High Power Consumption Full Liquid-cooled(Single Phase DLC and Two Phase DLC)High Density Good Serviceability High Power(Higher Power Capac