Views: 1 Author: Site Editor Publish Time: 2023-02-24 Origin: Site
How do dry cooler systems work?
A dry cooler system works by using ambient air as the cooling medium to remove heat from a thermal fluid (e.g. water, refrigerant or oil). The basic components of a dry cooler system are the thermal fluid source, the dry cooler unit and the fan or exhaust unit.
The following is an overview of how a dry cooler system works:
1. The thermal fluid is pumped into the dry cooler unit, which usually consists of a series of finned tubes that provide a large heat transfer surface area.
2. One or more fans draw ambient air over the finned tubes, allowing the air to absorb heat from the thermal fluid and transfer it to the air.
3. As the air passes through the tube, the heat is removed and the air is discharged to the atmosphere.
4. The cooled fluid then continues on to the next stage in the process, such as a heat exchanger or chiller.
5. Depending on the application, dry cooler units can be designed with multiple fans and various controls to optimise cooling performance.
Dry cooler systems are commonly used in industrial and commercial applications such as power generation, chemical processing, HVAC systems and data centres, where they offer advantages over traditional water cooling systems, including reduced water consumption, reduced environmental impact and increased reliability and efficiency. However, they may not be effective in very hot and humid environments, or when the temperature difference between the thermal fluid and the surrounding air is too small.
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