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Tips to Improve the Utility of Evaporative Cooling

Utility of Evaporative Cooling

Direct evaporative cooling is a technique used since ancient times to help regulate temperature, as demonstrated by ancient frescoes from about 2500 B.C. Even today, It is widely used to lower atmospheric humidity.

The Invention by Leonardo Da Vinci

In the 16th century, Leonardo Da Vinci produced the first mechanical evaporative cooler. Much has changed since then with direct evaporative cooling, and it is important to have a thorough understanding of the role of direct evaporative cooling equipment before deciding to incorporate one into your project.

To Understand Evaporative Cooling

You can feel cold as the water evaporates when you tap your fingertips into a glass of water and then blow air on your fingers. You’ve felt strong evaporative cooling. Following this concept, direct evaporative coolers disperse water over a saturated cooling environment. Hot air is passed through the cooling media where it absorbs moisture, raising the dry-bulb air temperature.

#1. Dry Bulb Temperature

In the right conditions, dry bulb temperature reached by direct evaporative cooling will be within 2 to 3 ° F of wet bulb temperature. A water pump with control and distribution helps ensure that water is distributed uniformly over the cooling media sheet, optimizing the quality and life of Titan Air’s fluted cellulose cooling media pads. Fans are then used to generate a negative pressure that pulls air through these pads and distributes the resulting cool air. Direct evaporative coolers should achieve efficiencies of 89%.

#2 Eco-Friendly Coolers

Direct evaporative coolers commonly called swamp coolers are a fast, environmentally-friendly and relatively economical way to cool an indoor area. When deciding to install a direct evaporative cooler, you can consider the following.

#3 Evaporative Cooling Cost Concerns

For their compact nature and simpler maintenance and quicker deployment, the original equipment costs for direct evaporative cooling are lower than other cooling options. Using power is restricted to the water pump and the fans. Water vapour is not recycled so that they do not require a compressor as for closed-cycle cooling, which contributes to an additional 1/8 of direct evaporation cooler operating costs of refrigerated air. Before you purchase a direct evaporative cooler.

Is The Added Humidity A Concern?

Direct evaporative cooling works well in dry environments, where the added moisture can help to improve comfort by avoiding dry skin or eyes and even reduce allergies and asthma. Excessive moisture can, however, cause multiple problems:

  • High moisture can damage objects such as mechatronic equipment with oxidation. Heavy air pollution can exacerbated it.
  • Water condensation for high moisture can also harm sensitive objects like paper goods. Wood construction materials and other frequently found objects can also be vulnerable in industrial environments.
  • Since air from evaporative air coolers is typically 80-90% relative humidity, it can minimize comfort in wet conditions because greater moisture decreases the evaporation rate from the body.

Building Ventilation During Cooling

Direct evaporative systems can not operate correctly without continuous air supply from the air-conditioned area to the outside, otherwise, moisture would increase in the area. Instead of the regular air conditioners, which need an enclosed space to work in windows/doors. The open ventilation provided by the direct evaporation coolers leads to “fresh” air, as air pollution and it eliminates germs from the house.

Summing Up

Direct evaporative cooling can be provided as casual accessories or integrated into an air handler. It is an easy and relatively economical way to cool an environment. Make sure you pick a supplier that provides the best design and material. It means that you get the right equipment for your project.

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