Mobile Condenser Two-Phase Fluid Management for Data Centers
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Solution Overview
Problem
High power servers generate significant thermal energy, leading to fluid loss and inefficiencies in two-phase immersion cooling systems, where vapor management is challenging and fluid replenishment in large-scale IT enclosures is difficult and inefficient.
Innovation Solution
A two-phase fluid management system with a sealed container and a mobile condenser that moves to service multiple IT enclosures, condensing vapor back to liquid and redistributing it, along with a controller to manage fluid levels and energy storage for powering components, reducing hardware requirements and fluid loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If traditional immersion cooling systems are used for high power servers, then cooling capability is improved, but fluid loss increases and vapor management becomes difficult
Solution Approach 1:
The patent utilizes phase transition of the cooling fluid between liquid and vapor states. The system allows fluid to evaporate from liquid to vapor phase to absorb heat from servers, then condenses the vapor back to liquid phase in a condenser, creating a closed-loop two-phase cooling system that prevents fluid loss while maintaining high cooling capability
Solution Approach 2:
The patent creates a sealed enclosure that maintains a closed vapor-liquid environment. By sealing the cooling system, the fluid operates in a controlled inert atmosphere where vapor cannot escape to the external environment, preventing fluid loss and simplifying vapor management through controlled phase transitions within the sealed space
2Productivity
If immersion cooling is implemented in large-scale IT enclosures, then cooling efficiency is improved, but fluid replenishment becomes difficult and inefficient
Solution Approach 1:
The patent implements a self-service mechanism where the condenser automatically condenses vapor back to liquid and the system automatically replenishes fluid levels in IT enclosures. This eliminates the need for manual fluid monitoring and replenishment operations, making the system self-maintaining while preserving high cooling efficiency
Solution Approach 2:
The patent establishes continuous circulation and phase transition of the cooling fluid. The fluid continuously evaporates to cool servers, condenses back to liquid, and replenishes enclosures automatically. This continuous cycle eliminates interruptions for manual fluid management while maintaining sustained cooling efficiency across large-scale deployments
3Temperature
If multiple IT enclosures are serviced individually, then cooling performance is maintained, but hardware requirements and system complexity increase
Solution Approach 1:
The patent designs a universal condenser system that can service multiple IT enclosures simultaneously or sequentially. The condenser is configured to handle vapor from multiple enclosures and distribute condensed liquid back to each, reducing the need for separate cooling systems for each enclosure while maintaining individual cooling performance
Solution Approach 2:
The patent merges multiple individual cooling systems into a unified two-phase fluid management system. By combining the vapor collection, condensation, and fluid distribution functions into a shared infrastructure that serves multiple enclosures, the system reduces overall hardware requirements and complexity while preserving the cooling performance needed for each individual enclosure
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This system effectively manages vapor and fluid levels across multiple IT enclosures, enhancing cooling efficiency and reducing hardware needs, while ensuring consistent fluid supply and minimizing vapor escape.
Implementation Method 1
A two-phase fluid management system with a sealed container and a mobile condenser that moves to service multiple IT enclosures, condensing vapor back to liquid
Implementation Method 2
These high power servers and server chassis that houses them, may be immersed in a fluid that absorbs thermal energy from the electronics
Implementation Method 3
The temperature of this immersion fluid can be controlled within a defined 'safe range', for example, with a heat exchanger and pump, thereby cooling the IT equipment
Data Source
AI summary
A two-phase fluid management system, may include a sealed container and a mobile condenser that moves within the sealed container. The sealed container may include a plurality of input ports, each to receive a two-phase fluid as vapor from a respective one of a plurality of IT enclosures and a plurality of output ports, each to return the two-phase fluid as liquid to the respective one of the plurality of IT enclosures. The mobile condenser may be coupled to or include an actuator to move the mobile condenser to a respective one of a plurality of positions within the sealed container. An air intake and air outlet of the mobile condenser may form a sealed connection with a pair of condenser ports when the mobile condenser moves to the respective one of the plurality of positions.