Data Center Cooling Storage Using Evaporative Towers and Water Reuse
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Solution Overview
Problem
Data centers face significant challenges in efficiently managing heat generated by electronic equipment, leading to high electrical power consumption and costs, as traditional cooling methods rely heavily on energy-intensive chillers and water usage, which strain both the electrical grid and water resources.
Innovation Solution
The implementation of a system that uses elevated air and water temperatures to facilitate evaporative cooling, reducing the need for chillers and minimizing water consumption by employing a hybrid cooling tower and on-site water treatment, allowing for efficient cooling through free cooling sources like cooling towers and non-potable water sources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If traditional cooling methods using chillers are employed, then cooling effectiveness is improved, but electrical power consumption increases
Solution Approach 1:
The patent raises the operating temperature parameters of the cooling system, allowing air temperatures to reach 104°F (40°C) and water temperatures to reach 104°F (40°C). This parameter change enables the use of evaporative cooling towers instead of energy-intensive chillers, significantly reducing electrical power consumption while maintaining adequate cooling effectiveness for electronic equipment
Solution Approach 2:
The patent replaces the mechanical chiller system with a natural evaporative cooling system. Instead of using mechanically-driven refrigeration cycles, the system utilizes evaporative cooling towers that rely on the natural evaporation process to remove heat, eliminating the need for compressors and refrigerants while reducing energy consumption
2Use of energy by moving object
If evaporative cooling towers are used, then electrical power consumption is reduced, but water consumption increases
Solution Approach 1:
The patent implements water recovery and recycling systems within the evaporative cooling towers. Condensate and process water are captured, treated, and reused in the cooling process, significantly reducing net water consumption while maintaining the evaporative cooling function
Solution Approach 2:
The cooling system is designed to serve multiple functions: primary cooling of electronic equipment, secondary water heating for facility use, and tertiary humidity control. This multi-functionality increases overall system efficiency and reduces the total water requirement by utilizing the thermal energy that would otherwise be wasted
3Productivity
If high temperature rises are created across components, then cooling efficiency is improved, but microprocessor errors and failures increase
Solution Approach 1:
The patent implements localized cooling zones with different temperature profiles tailored to specific equipment requirements. Critical microprocessor areas maintain lower temperatures through direct liquid cooling or targeted air conditioning, while less sensitive equipment can operate at higher temperatures, optimizing both cooling efficiency and equipment reliability
Solution Approach 2:
The system dynamically adjusts cooling parameters based on real-time thermal monitoring of electronic equipment. When microprocessor temperatures approach critical thresholds, the system automatically increases cooling capacity to that specific zone, allowing flexible temperature management that balances cooling efficiency with equipment reliability
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 decreases the reliance on municipal water sources, lowers operational costs, reduces the load on sewage systems, and enables more efficient cooling with lower electrical demands, making it cost-effective and environmentally friendly while allowing for modular expansion and deployment in various locations.
Implementation Method 1
Water in a cooling tower is allowed to cool through evaporative cooling
Implementation Method 2
an air-to-water heat exchanger thermally connected to the water storage tank and positioned to receive heated air from a group of electronic devices
Data Source
AI summary
Cooling systems for providing cooled air to electronic equipment are described. The systems can include large storage tanks or waste treatment systems to improve the efficiency of the plant and reduce impact on the environment.