Propeller-Driven Single-Phase Immersion Cooling for High-Power Electronics
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Solution Overview
Problem
Existing single-phase immersion cooling systems rely on natural convection, which is inadequate for cooling the increasing heat demands of modern computer systems, particularly servers.
Innovation Solution
A single-phase immersion cooling system with a rotating propeller that creates a driven flow path within a component area, enhancing coolant circulation speed and contact with heat-generating electronic devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If natural convection is used for cooling, then the system structure is simple, but the cooling capacity is insufficient for high-power components
Solution Approach 1:
The patent replaces natural convection (passive thermal system) with forced convection using a rotating propeller (mechanical system). The propeller actively drives coolant flow through the component area, transforming the cooling mechanism from passive to active, thereby significantly increasing cooling capacity for high-power electronic devices.
Solution Approach 2:
The patent employs fluid dynamics principles by using a rotating propeller to create forced convection current in the liquid coolant. The propeller generates hydraulic flow that actively circulates coolant through the component area, enhancing heat transfer efficiency beyond natural convection capabilities.
2Temperature
If coolant circulation speed is increased, then cooling capacity is improved, but energy consumption increases
Solution Approach 1:
The patent applies local quality by creating high-velocity coolant flow specifically in the component area where heat-generating electronic devices are located, while maintaining lower flow speeds in other regions. The rotating propeller generates localized forced convection where needed, optimizing cooling performance while minimizing overall energy consumption.
Solution Approach 2:
The patent implements partial action by applying forced convection only in the specific component area requiring enhanced cooling, rather than throughout the entire coolant system. The propeller creates targeted high-speed flow in the component area, providing sufficient cooling capacity without the energy cost of system-wide high-velocity circulation.
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 achieves improved cooling capacity by forcing coolant to circulate at faster speeds, effectively managing the heat generated by high-power components.
Implementation Method 1
The rotating propeller is mounted within the immersion cooling tank, and causes a driven flow path in the component area. The driven flow path is configured to cause contact between the coolant in the driven flow path and the heat-generating electronic device when the heat-generating electronic device is received within the component area. The coolant in the driven flow path circulates at a faster speed than the coolant in the chamber path.
Implementation Method 2
the coolant in the driven flow path circulates at a faster speed than the coolant in the chamber path
Data Source
AI summary
A single-phase immersion cooling system includes an immersion cooling tank having a component area, which is separate from a main chamber and is configured to receive a heat-generating electronic device. A coolant circulates along a flow path, in a chamber path through the main chamber and a component path through the component area. A rotating propeller is mounted within the immersion cooling tank, causing a driven flow path in the component area. The driven flow path is configured to cause contact between the coolant in the driven flow path and the heat-generating electronic device when the heat-generating electronic device is received within the component area. The coolant in the driven flow path circulates at a faster speed than the coolant in the chamber path.


