Evaporative cooling takes advantage of the natural reaction that occurs between water and hot air. Since ancient times, the Arabs used to cover the entrances with wet cloths while the Greeks placed pots full of water on the door. This is because, when hot air comes in contact with water, a natural evaporation process begins whereby the heat is absorbed and the air temperature drops. Evaporative air conditioning is based on this principle: a fan inside the appliance attracts air from outside to convey it inside the room. The passage of external hot air through the wet pads allows the exchange of heat and therefore the cooling of the same.
The key to effective evaporative cooling is to ensure that all pads are completely saturated with water at all times during operation, and that the system fan and motor are sized and designed to provide the proper airflow for the space to be cooled. It is important to remember that the cooled air inside the building is not recirculated, but completely replaced. The doors or windows must therefore be left open to allow them to escape, or extraction fans must be installed.
Evaporative Cooling Technology
The best air cooler provides the most energy efficient temperature relief for commercial or industrial environments of any size. Up to 80% cheaper than conventional air conditioning systems, our evaporative cooling system has resulted in cost savings and improved operating efficiencies in many industries. Unlike air conditioning, which always remains the same and which is recycled, the evaporation systems take air which is made fresh and filtered, forcing the escape of the hot and spoiled air present.
In direct evaporative air coolers, the heat exchange process is initiated using a water pump that delivers water for irrigation of a special (tubular, cellular or porous) heat exchanger, and a fan, which makes hot outside air pass through the holes in these heat transfer panels. The pump and fan drive contribute to and accelerate the natural heat transfer process.
Why Evaporative Air Coolers are more successful in India?
In addition to high energy-saving indicators - compared to conventional compressor air cooling systems, evaporation cooling systems consume 5 to 10 times less energy - in fact, evaporative coolers serve as a powerful fresh-air ventilation system. At the same time, energy consumption is only tens of watts per tens of thousands of cubic meters per hour of purified and cooled air.
In addition, meeting with a transverse flow of water, the air is effectively cleaned from suspended solids, dust (with a particle size of more than 10 microns) and freed from harmful gases, including vehicle exhaust or smog from burning peat bogs, and other toxic aerosols that dissolve in water. Evaporative coolers even remove unpleasant odors, including the smell of mold and smoke; literally "wash" bacteriological pollutants and allergens from the air stream - bacteria, fungal spores, and other plant pollen. Heat exchange panels (they are also air filters) in evaporative cooling systems have a self-cleaning effect. Particles of contaminants (contaminants) are removed all the time with fresh water supplied by the water pump to the water distributor.
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