Thermosyphon Cooling System for Data Centre Servers
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Solution Overview
Problem
Current cooling systems for data centers are inefficient due to high energy consumption, heat generation by fans, complex implementation, and inadequate air flow distribution, leading to increased maintenance needs and potential server failures.
Innovation Solution
A cooling system utilizing thermosyphon circuits and pulsating heat pipes for passive cooling, with a primary circuit for localized heat exchange at the server level and a secondary circuit for rack-level heat management, reducing the need for fans and simplifying maintenance by using plate-like elements with micro-channel technology.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If fans are used to force air flow through cooling devices, then heat exchange efficiency is improved, but energy consumption increases and maintenance needs increase
Solution Approach 1:
The cooling system uses passive thermosyphon circuits that self-regulate heat transfer through natural convection and phase change of working fluid, eliminating the need for externally powered fans while maintaining effective cooling
Solution Approach 2:
The thermosyphon circuits utilize phase change (evaporation and condensation) of the working fluid to transfer heat from CPU to heat sink, providing high heat exchange efficiency without mechanical movement
2Productivity
If fans are used to force air flow through cooling devices, then heat exchange efficiency is improved, but the system generates additional heat and complexity increases
Solution Approach 1:
The passive thermosyphon system eliminates fans and other active components that generate heat, using only natural convection and phase change to achieve cooling without adding harmful thermal load to the system
3Reliability
If traditional cooling circuits are used, then cooling function is provided, but device complexity and maintenance needs increase
Solution Approach 1:
The patent integrates the CPU mount, heat exchange region, and thermosyphon circuit into a single unified cooling device, simplifying installation and maintenance while ensuring reliable thermal contact between CPU and cooling system
Solution Approach 2:
The invention extracts and eliminates complex active cooling components (fans, motors, control systems) from the traditional cooling circuit, retaining only the essential passive thermosyphon mechanism that provides reliable cooling with minimal complexity
4Temperature
If air cooling is used at data centre level, then cooling is provided, but energy consumption and maintenance needs increase
Solution Approach 1:
The passive thermosyphon cooling system requires no external energy input, using only the temperature differential between CPU and ambient environment to drive natural convection and phase change, thereby eliminating energy consumption associated with active air cooling systems
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 provides effective and efficient cooling with reduced energy consumption, simplified construction and maintenance, and improved heat exchange efficiency, capable of handling higher thermal loads while maintaining system stability.
Implementation Method 1
a first heat exchange circuit (5), comprising a heat exchange region (6, 7) placed at the heat-generating means (4)... configured to allow circulation of a first thermal carrier fluid suitable for exchanging heat with heat-generating means (4)
Implementation Method 2
utilizing thermosyphon circuits and pulsating heat pipes for passive cooling
Implementation Method 3
utilizing thermosyphon circuits and pulsating heat pipes for passive cooling
Data Source
AI summary
A cooling system for data centre, which data centre includes a plurality of servers associated to form a rack, each server being provided with one or more heat generating means. The system includes a plurality of first heat exchange circuits and second thermosyphon circuits. The overall configuration of the system being such that the second thermosyphon circuits are in fluid communication with each other according to a parallel connection.