Ballast Blocks for Liquid Immersion Cooling Fluid Management
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional computing systems face inefficiencies in cooling due to the need for constant fluid replenishment in liquid immersion cooling, which can lead to decreased performance or component damage if the dielectric fluid level drops, and existing systems struggle with maintaining optimal temperatures and component density.
Innovation Solution
A pressure-controlled vessel utilizing a dielectric fluid with a vapor management system that allows for condensation of gaseous fluid back into liquid, maintaining a vacuum to reduce boiling point and enhance cooling efficiency, while also using a power management system to optimize energy use and component performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If liquid immersion cooling is used to cool computer components, then cooling efficiency is improved, but fluid loss and level drop issues worsen
Solution Approach 1:
The system recovers dielectric fluid that vaporizes during operation by condensing the vapor back into liquid form and returning it to the cooling bath, eliminating fluid loss without compromising cooling efficiency
Solution Approach 2:
The system utilizes phase transitions of the dielectric fluid between liquid and vapor states, with a condenser converting vapor back to liquid, maintaining stable fluid levels while enabling efficient heat transfer
2Temperature
If dielectric fluid level drops, then cooling capacity is reduced, but component damage risk increases
Solution Approach 1:
The system incorporates fluid level sensing that provides feedback to the vapor management system, enabling automatic adjustment to maintain optimal fluid levels and prevent both overheating and component damage
Solution Approach 2:
The closed-loop vapor management system acts as a protective buffer that prevents fluid level drops before they can cause component damage, maintaining a safety margin through continuous vapor condensation and fluid replenishment
3Productivity
If computing density is increased, then performance is improved, but heat generation and cooling demands worsen
Solution Approach 1:
The system exploits the high heat absorption capacity of dielectric fluid during vaporization and the efficient heat transfer during condensation, enabling high computing density by managing the phase transition cycle to match heat generation from dense components
Solution Approach 2:
The system changes the operating parameters of the dielectric fluid, specifically maintaining it near its vaporization point under controlled pressure, which maximizes heat transfer efficiency and enables higher computing densities
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 approach enables increased computing density and performance by maintaining stable temperatures, reducing energy consumption, and preventing fluid loss, thus enhancing the reliability and efficiency of liquid immersion cooling systems.
Implementation Method 1
computer components and other electronics may be submerged in a dielectric or electrically non-conductive liquid in order to draw heat directly from the component into the liquid
Implementation Method 2
a condensing system in order to cool and convert gaseous dielectric fluid to liquid dielectric fluid
Implementation Method 3
The disclosed pressure management system allows the disclosed embodiment to operate under a vacuum, thereby reducing the temperature at which dielectric fluid vaporizes
Data Source
AI summary
A two-phase liquid immersion cooling system is described in which heat generating computer components cause a dielectric fluid in its liquid phase to vaporize. The dielectric vapor is then condensed back into a liquid phase and used to cool the computer components. The dielectric fluid may be stored in a bath portion of the cooling system. The cooling system may also include a shelf portion, which can hold at least one ballast block. The ballast block can provide for a deeper bath portion and flow of the dielectric fluid from a condenser.