单相浸没式冷却系统的长期可靠性测试.pdf

1、Neng Chieh Chang(Jerry)/WiwynnLong-Term Reliability Testing of Single-Phase Immersion CoolingLong-Term Reliability Testing of Single-Phase Immersion CoolingNeng Chieh Chang(Jerry)/WiwynnCOOLING ENVIRONMENTS:IMMERSION Liquid Cooling Evolution Single-Phase Immersion Cooling Assessment Studies Long-Ter

2、m Test Introduction Test Plan and Setup Results and AnalysisOutlineAI and the Rise of High-Power Data Centers Explosive growth of AI/HPC workloads Traditional air-cooling reaching limits New data centers must integrate liquid cooling(Facility water infrastructure)Approaches to Liquid Cooling in Data

3、 Centers Different approaches require different infrastructures and bring unique reliability challenges.Immersion cooling particularly raises distinct system-level reliability questions.Direct-to-Chip(DLC)Pipes&fittingsLeak riskImmersion CoolingTank systemFluid durabilitySingle Phase Immersion Cooli

4、ngTechnical Advantages Better heat uniformity Simple operation Lower noise and mechanical complexity(Compared to DLC in server)Potential Concerns Fluid stability over time Stable system performance Mechanical parts stabilityTesting Necessity Validate system durability Establish maintenance guidance

5、Reduce deployment risksLong-Term Assessment Studies Precipitation FiltrationFluid Characteristics Server Computing MeasurementSystem Performance Material degradationMechanical Parts CompatibilityValidation Schedule Test purpose:Ensuring long-term reliability is critical for adoption and trust in imm

6、ersion cooling Test duration:24 Weeks(Data collection until Week13 in this present,the testing is ongoing)6/238/1110/1312/8 Immersion Tank:ORV3 Rack structure MSFT Azure Computing Servers Coolant:Synthetic-Ester based fluid Fluid complies with the Open Computer Projects“Base Specification for Immers