Why does a desert cooler work?

Geoffrey Wuckert asked a question: Why does a desert cooler work?
Asked By: Geoffrey Wuckert
Date created: Sat, Jul 17, 2021 5:51 AM


Top best answers to the question «Why does a desert cooler work»

Working by the simple concept of evaporation, desert air coolers take-in the air from outside, conditions it and then releases it. They take air from the environment and mix it with the water in the cooler. Due to high velocity and pressure the water evaporates.


Those who are looking for an answer to the question «Why does a desert cooler work?» often ask the following questions:

❗ How does a desert cooler work?

Inside the cooler are pads that are saturated with water. A blower draws the hot air through theses pads. The hot air evaporates some of the water from the pads and, in doing so, cools several degrees. The cooler air is then blown into the home.

❗ Why does the desert cooler not work in the rainy season?

The desert (swamp) cooler depends upon evaporation of water for cooling. During the rainy season the air is already pretty much saturated with water vapor so little water evaporates from the cooler and they become inefficient. They are most efficient when the relative humidity is below 20%.

❗ Why does the desert get cooler at night?

In a desert there are rarely clouds and high humidities that act as a blanket to hold in heat. The heat accumulated during the day quickly radiates back into space.

Your Answer

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Why is desert cooler better in summer?

The cooling in a desert cooler is caused by the evaporation of water. A desert cooler cools better on a hot and dry day because the higher temperature on a hot day increases the rate of evaporation of water and the dryness of air (low humidity of air) also increases the rate of evaporation of water.

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What is the difference between room cooler and desert cooler?

Personal air coolers and desert air coolers work on the same basic principle of evaporation. The process of evaporation takes place in the air cooler which leads to release of cool air… On the other hand, personal coolers do not use the air from outside rather processes and recirculates the air present in the room.

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Why does a desert cooler better on a hot dry day?

Desert coolers transfer the heat energy from circulating air to water. Water evaporates resulting in the cooling of the surrounding air and this air is circulated. On a hot dry day, the humidity will be low and the temperature will be high… Therefore desert cooler cools better on a hot dry day.

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Why does a desert cooler cool on a hot dry day?

Evaporation requires heat to supply the energy of vaporization. This heat is supplied by the unevaporated water, which must correspondingly cool.

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Why does the air passing through a desert cooler becomes cool?

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What are the disadvantages of the desert cooler?

  • They are great for the desert, but being evaporative coolers, they only work well in very hot dry climates. They actually add humidity to the air, whereas anywhere out of the desert you need something that removes moisture from the air to feel cool.

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What's the difference between a swamp cooler and a desert cooler?

  • Coolers air are known by many names like swamp cooler, desert cooler and room cooler that keep functioning all throughout the day and along the same lines and involve evaporation of water to help in the cooling.

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How big of a water tank does a desert air cooler need?

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Why does a desert cooler cool better on a hot dry day?

In a desert cooler, the water inside it is made to evaporate. This leads to absorption of energy from the surroundings, thereby cooling the surroundings. Again, we know that evaporation depends on the amount of water vapour present in air (humidity). If the amount of water vapour present in air is less, then evaporation is more. On a hot dry day, the amount of water vapour present in air is less. Thus, water present inside the desert cooler evaporates more, thereby cooling the surroundings more. That is why a desert cooler cools better on a hot dry day.

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Why does a desert cooler cools better on a hot dry day?

it cools better on a hot dry day because the evaporation of the water sucks the heat out of the air. More evaporation equals cooler air.

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Does cooler work in rainy season?

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