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2. Evaporative cooler - Wikipedia

   en.wikipedia.org/wiki/Evaporative_cooler

   A fan blows a fine mist of water into the air. If the air is not too humid, the water evaporates, absorbing heat from the air, allowing the misting fan to also work as an air cooler. A misting fan may be used outdoors, especially in a dry climate. It may also be used indoors. Small portable battery-powered misting fans, consisting of an ...

3. The 12 Best Cool-Mist Humidifiers That Will Become the Unsung ...

   www.aol.com/12-best-cool-mist-humidifiers...

   But while a warm-mist humidifier boils water (and can heat up a room during the warmer months), cool-mist humidifiers use ultrasonic technology or fans to release a fine mist into the air. These ...

4. Pot-in-pot refrigerator - Wikipedia

   en.wikipedia.org/wiki/Pot-in-pot_refrigerator

   There is evidence that evaporative cooling may have been used in North Africa as early as the Old Kingdom of Egypt, circa 2500 BC. Frescoes show slaves fanning water jars, which would increase air flow around porous jars to aid evaporation and cooling the contents. [3] These jars exist even today. They are called zeer, hence the name of the pot ...

5. Cooling tower - Wikipedia

   en.wikipedia.org/wiki/Cooling_tower

   A cooling tower serves to dissipate the heat into the atmosphere instead, so that wind and air diffusion spreads the heat over a much larger area than hot water can distribute heat in a body of water. Evaporative cooling water cannot be used for subsequent purposes (other than rain somewhere), whereas surface-only cooling water can be re-used.

6. Humidifier - Wikipedia

   en.wikipedia.org/wiki/Humidifier

   Usually the mist gets forced out by a tiny fan, while some ultra mini models have no fans. The models without fans are meant mainly for personal use. Ultrasonic humidifiers use a piezoelectric transducer to create a high frequency (1-2 MHz [15]) mechanical oscillation in a film of water. This forms an extremely fine mist of droplets about one ...

7. Intercooler - Wikipedia

   en.wikipedia.org/wiki/Intercooler

   Additional cooling can be provided by externally spraying a fine mist onto the intercooler surface, or even into the intake air itself, to further reduce intake charge temperature through evaporative cooling. Intercoolers can vary dramatically in size, shape and design, depending on the performance and space requirements of the system.