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Technology

Our comprehensive liquid cooling solutions address diverse ICT infrastructure needs:

  1. ‌Cold Plate Technology‌ utilizes metal heat sinks to directly cool high-power chips, enabling PUE reduction to 1.2-1.3 for retrofitted data centers.

  2. ‌Immersion Cooling‌ submerges entire servers in dielectric fluids, offering single-phase (PUE~1.1) and two-phase (PUE~1.05) variants for extreme density.

  3. ‌Phase-Change Cooling‌ (a subset of immersion) leverages liquid-to-gas phase transitions for 30% higher thermal efficiency, ideal for HPC environments.

This hybrid approach delivers scalable, energy-efficient thermal management across all computing scales.


Cold plate liquid cooling technology Immersion liquid cooling technology Phase change liquid cooling technology

Phase Change Liquid Cooling Technology

‌1. Technical Principle & Workflow‌

Phase change liquid cooling technology utilizes fluorinert fluids' latent heat absorption (150-180 kJ/kg) for chip-level thermal management:

  1. ‌Heat Absorption‌: Coolant flows through heat sources (e.g., CPUs/GPUs), absorbing heat via convection;

  2. ‌Phase Transition‌: Liquid vaporizes at 40-60°C, carrying away massive latent heat;

  3. ‌Heat Dissipation‌: Vapor condenses in heat exchangers, releasing heat to external environment;

  4. ‌Closed-loop Circulation‌: Condensed liquid returns via micropumps, forming a zero-loss cycle.

‌Key Variants‌:

  • ‌Two-phase Cold Plate‌: Dominant solution (300W/cm² heat flux), compatible with standard servers;

  • ‌Immersion Cooling‌: Full equipment submersion, supports 100kW/rack but requires high CAPEX.

‌2. Comparative Analysis‌


MetricAir CoolingWater CoolingPhase Change Liquid Cooling

‌PUE‌

1.6-2.0

1.3-1.5

‌1.05-1.15‌

‌Capacity‌

≤10kW/rack

20-30kW/rack

‌50-100kW/rack‌

‌Maintenance‌

Low (filter cleaning)

High (anti-corrosion)

‌Medium (no water treatment)‌

‌Noise‌

60-70dB

50dB

‌<40dB (fanless)‌

‌3. Deployment Cases‌
  • ‌National Supercomputing Center‌: Sugon's solution achieves 100kW/rack with 5% GPU performance boost;

  • ‌China Mobile AI Hub‌: 100 liquid-cooled racks reduce energy consumption by 40% annually;

  • ‌Financial Data Center‌: Temperature fluctuation controlled within ±1°C, lowering transaction latency by 15%.

‌4. Industry Outlook‌
  • ‌Next-gen Chips‌: NVIDIA Rubin (TDP>1500W) will adopt hybrid two-phase/immersion cooling;

  • ‌Material Shift‌: Aluminum cold plates replace copper, cutting costs by 30%;

  • ‌Policy Incentives‌: China mandates PUE≤1.25 for new data centers, accelerating liquid cooling adoption.


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