Passive Thermosyphon Cooling for Electronics with Sensor Monitoring
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Solution Overview
Problem
Existing data center cooling systems are energy-inefficient and require active control, which increases operational costs and complexity.
Innovation Solution
A thermosyphon loop system with evaporators and condensers, equipped with sensors to measure vapor quality, total heat load, and liquid level, allowing for passive, efficient cooling of multiple electronic devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If traditional active cooling systems are used in data centres, then cooling function is achieved, but energy consumption increases and system complexity increases
Solution Approach 1:
The thermosyphon loop system uses passive operation where the working fluid automatically circulates through evaporation and condensation phases without external power sources. The system self-regulates cooling based on thermal gradients, eliminating the need for active control mechanisms and reducing both energy consumption and system complexity.
Solution Approach 2:
The system exploits phase transitions of the working fluid between liquid and vapor states in the evaporator and condenser components. This phase change mechanism enables efficient heat transfer and passive circulation, replacing energy-intensive mechanical cooling systems while simplifying the overall system architecture.
2Use of energy by moving object
If passive cooling systems are implemented, then energy efficiency improves, but measurement and control capability decreases
Solution Approach 1:
Multiple sensors are integrated throughout the thermosyphon loop system to measure vapor quality, liquid level, heat load, temperature, and pressure. These measurements provide feedback that enables monitoring and optimization of system performance, ensuring precise control capabilities are maintained despite the passive operation mode.
Solution Approach 2:
The system replaces active mechanical control mechanisms with passive thermal dynamics while using sensor-based measurement and control strategies. This substitution maintains measurement precision through electronic sensing and control algorithms without requiring complex mechanical actuation systems.
3Productivity
If multiple sensors are added to monitor thermosyphon loop parameters, then system efficiency improves, but device complexity increases
Solution Approach 1:
The sensors are designed to perform multiple measurement functions simultaneously - for example, measuring both temperature and pressure differential to determine vapor quality, or monitoring liquid level while also providing thermal conductivity data. This multi-functionality reduces the total number of sensors needed, thereby improving cooling efficiency without proportionally increasing system complexity.
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 energy-efficient cooling with reduced active control, enhancing thermal performance and stability by monitoring and adjusting fluid flow and heat transfer parameters.
Implementation Method 1
one or more thermosyphon loops for cooling a plurality of electronic devices wherein each of the one or more thermosyphon loops comprises at least one evaporator and at least one condenser
Implementation Method 2
at least one evaporator and at least one condenser
Implementation Method 3
at least one evaporator and at least one condenser
Implementation Method 4
vapour quality within an inlet and outlet of at least one evaporator
Implementation Method 5
total heat load of at least one evaporator
Implementation Method 6
liquid level in a downcomer of the at least one thermosyphon loop
Data Source
AI summary
A cooling apparatus includes thermosyphon loops for cooling multiple electronic devices. Each of the thermosyphon loops includes at least one evaporator and at least one condenser. Sensors within the thermosyphon loop measure can measure various parameters such as vapour quality within an inlet and outlet of at least one of the evaporators, total heat load of at least one of the evaporators; and the liquid level in a downcomer of the thermosyphon loop.