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I would like to ask about the difference between air coolers and wind coolers

2016-10-22View Original

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I would like to ask about the difference between air coolers and fan coolers. In a chilled water system, the water comes out of the air cooler and then enters the fan cooler – why is that? Thank you!
Reply #22016-10-23
This post was last edited by ylb913 on 2016-11-2 at 12:09. An air cooler is equipped with heat exchange tubes; no matter how much cooling occurs, there will still be a temperature difference with the air, and the temperature of the medium being cooled must be higher than that of the air. I understand that a air cooler is similar to a cooling tower, where wind comes into direct contact with the water being cooled. The key issue here is the concept of \"wet-bulb temperature\"; in other words, the temperature of the water after being cooled by the cooling tower is lower than the atmospheric temperature. ——The water temperature in a naturally cooled ventilation tower is generally 5-6 degrees lower than the ambient temperature, and it is also influenced by the environmental humidity and the wind speed over the packing. This temperature is called the atmospheric wet-bulb temperature. When the humidity is constant, evaporation and condensation reach equilibrium; heat is released during condensation and carried away by the air moving from bottom to top, which is the hyperbolic suction effect of the tower. Evaporation requires the absorption of heat, which is then carried upward; as a result, the water from which heat has been absorbed naturally has a temperature lower than that of the surrounding environment.
Reply #32016-10-24
2# Thank you for your hard work, OP! You’ve learned it!
Reply #42016-11-27
The air cooler is cooled by air; the lowest temperature is the ambient temperature. It is a refrigeration unit that contains a refrigerant.
Reply #52017-01-14
The efficiency of an air cooler depends on the temperature difference between the medium and the environment
Reply #62017-01-14
Water resources are scarce nowadays, so air coolers are being used more and more widely
Reply #72017-01-14
The high efficiency of surface evaporation air cooling is highly appreciated
Reply #82017-01-14
Companies like Luoyang Longhua, Ha Air Conditioner, and Lan Changzheng are all options
Reply #92017-03-22
Learned: handshake

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