Understanding Air Cooler Water Circulation and Evaporation

When using an air cooler, a common question arises regarding the water that seems to mysteriously disappear after just a day or two. In this article, we will delve into the science behind how the circulating water in an air cooler is converted into micro droplets and eventually evaporates, thereby explaining why you may notice a reduction in the water level over time.

What is an Air Cooler?

Before we dive into the technical details, let's first clarify what an air cooler is. An air cooler, also known as an evaporative cooler, is a device that cools the air in a room by using water evaporation. Unlike air conditioners, which use refrigerants to cool the air, air coolers cool the air by evaporating water.

The Water Circulation Process

The process begins when water is supplied to the air cooler. This water is then channeled through the cooling pads, where it is evaporated. As the air is drawn into the cooler, it passes through these damp pads, and the evaporation of water absorbs heat from the air, thus cooling it down. The now-cooled air is then blown into the room through fans.

How Does Water Evaporate in an Air Cooler?

Water from the reservoir is sprayed onto the cooling pads, which are typically made of absorbent material. As the air moves over these damp pads, the water is converted into micro droplets. These droplets are then exposed to the air flow, leading to further evaporation. The process of evaporation requires heat, and this heat is taken from the air passing over the pads, thus cooling the air.

Evaporation and Air Temperature

Once the water has been converted into these tiny droplets, it is exposed to the exhaust air of the cooler. This exhaust air is at a higher temperature, and the cooler air moving over the droplets absorbs the heat, causing the droplets to evaporate. As the water evaporates, it takes in the heat from the air, leading to a cooling effect.

Why Does the Water Keep Evaporating?

The evaporation of water in an air cooler is a continuous process as long as the air cooler is in operation and has moisture to provide. This is why the water level can decrease noticeably over a short period. The process of evaporation is like a cycle, where the water is continuously being converted into micro droplets, which then evaporate, taking heat away from the air.

Conclusion

In summary, the water disappearance in an air cooler is due to the natural evaporation process. The circulating water is first converted into micro droplets and then, through the evaporation process, it helps in cooling the air. This cycle of water turning into droplets and then evaporating is the primary reason why the water level in an air cooler seems to decrease over time.

Understanding this process not only clears the common misconception about the water disappearing but also highlights the efficiency of evaporative coolers in providing a fresh, cool breeze without the need for electricity like air conditioners do.

If you have any questions or need more information on how air coolers work, feel free to leave a comment or contact our customer support team.