Collector Segmentation for Dielectric Cooling Bubble Dissipation
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Solution Overview
Problem
Existing thermal management systems for computing devices face challenges in efficiently dissipating heat and improving heat transfer performance, particularly due to issues with bubble dissipation and solid accumulation in dielectric fluids.
Innovation Solution
A fluid circulation system that includes a collector with cavities and a plate featuring perforations, which allows for the movement of dielectric fluid between cavities, reducing bubble and solid presence, and enhancing heat transfer performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If dielectric fluid is used for cooling computing devices, then heat transfer performance is improved, but bubble and solid accumulation occurs in the fluid
Solution Approach 1:
The collector is divided into multiple cavities (first cavity, second cavity, third cavity) separated by plates with perforations. This segmentation allows different functions to be performed in different cavities: bubble dissipation in the first cavity, filtration in the second cavity, and fluid circulation through the third cavity. The perforated plates create separate flow paths that prevent bubble and solid accumulation while maintaining heat transfer efficiency.
Solution Approach 2:
The perforated plates act as intermediaries between the cavities, allowing controlled fluid flow while separating different functional zones. The plates with multiple perforations create a structured flow path that prevents direct contact between bubbles/solids and the main fluid circulation path, effectively removing harmful elements while maintaining cooling performance.
2Productivity
If fluid circulation is increased to improve cooling, then heat dissipation is enhanced, but bubble dissipation becomes less effective
Solution Approach 1:
The collector is divided into multiple cavities (first cavity, second cavity, third cavity) separated by plates with perforations. This segmentation allows different functions to be performed in different cavities: bubble dissipation in the first cavity, filtration in the second cavity, and fluid circulation through the third cavity. The perforated plates create separate flow paths that prevent bubble and solid accumulation while maintaining heat transfer efficiency.
Solution Approach 2:
The system performs preliminary bubble dissipation and filtration actions before the fluid enters the main circulation path. By removing bubbles and solids in the collector cavities before the fluid is pumped through the computing devices, the system ensures efficient heat transfer without the harmful effects of bubble accumulation, even at high circulation rates.
3Speed
If collector inlet velocity is increased to improve fluid circulation, then cooling efficiency is enhanced, but solid accumulation increases
Solution Approach 1:
The collector is divided into multiple cavities (first cavity, second cavity, third cavity) separated by plates with perforations. This segmentation allows different functions to be performed in different cavities: bubble dissipation in the first cavity, filtration in the second cavity, and fluid circulation through the third cavity. The perforated plates create separate flow paths that prevent bubble and solid accumulation while maintaining heat transfer efficiency.
Solution Approach 2:
The perforated plates act as intermediaries between the cavities, allowing controlled fluid flow while separating different functional zones. The plates with multiple perforations create a structured flow path that prevents direct contact between bubbles/solids and the main fluid circulation path, effectively removing harmful elements while maintaining cooling performance.
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
The system effectively reduces dissolved gases and bubbles, and solids in the dielectric fluid, thereby improving the heat transfer performance and extending the useful life of the fluid and system components.
Implementation Method 1
The dielectric fluid is pumped through a fluid circulation system such that the dielectric fluid flows along a plurality of paths through portions of the fluid circulation system
Implementation Method 2
a first fluid path through the collector extends from the collector inlet, through the first cavity, through the plurality of perforations of the plate, through the second cavity, and to the collector outlet
Implementation Method 3
The cooler is configured to receive the dielectric fluid and remove thermal energy from the dielectric fluid
Implementation Method 4
The fluid circulation system includes a pump configured to circulate the dielectric fluid through the fluid circuit
Data Source
AI summary
A fluid circulation system for cooling a plurality of computing devices with a dielectric fluid includes a fluid tank, a cooler, and a collector. The fluid tank includes a bottom having a plurality of apertures for receiving the dielectric fluid. The fluid tank is configured to hold the plurality of computing devices with a first computing device of the plurality of computing devices disposed over a first group of the apertures of the plurality of apertures. The cooler is configured to receive the dielectric fluid and remove thermal energy from the dielectric fluid. The collector includes a first cavity, a second cavity, a plate separating the first cavity from the second cavity, a collector inlet that opens into the first cavity and is configured to supply dielectric fluid into the collector, and a collector outlet. The fluid tank, cooler, and collector are fluidly connected in a fluid circuit.