Although evaporative cooling has been practiced in its most basic form for thousands of years, technological advancements have allowed us to modernize the process. The basic idea behind evaporative cooling is that hot air can be moved across a medium containing water. This allows you to reduce the temperature by extracting heat energy from the air and applying it in evaporating liquid water. This principle is what underpins the entire process.
The Underlying Physical Concepts Of Evaporative Heating
Evaporative cooling makes use of two types of heat energy. These are “sensible warmth” and “latent heat,” respectively. Sensible heat is any thermal energy that can affect the temperature of the system it is inside (in this instance, air). Latent heat is the energy of heat that is not used to raise the overall temperature in a system.
An evaporative cooling system transfers heat energy from the air to the system’s liquid water supply. The heated air passes through the liquid water source, and the heat is transferred to the system’s liquid water supply. It evaporates, and this causes water vapor to form. The heat from the air is then converted to the latent heat contained in water vapor. This results in a drop in temperature.
How Modern Evaporative Cooling Systems Work
A typical evaporative cooling system comprises three main components: a fan and a membrane that stores the liquid water. The pump is what provides the water. The fan is responsible for moving heated air across the membrane or pad and circulating that air throughout the cooling structure. To prevent the water-carrying medium from drying out and the system from failing, water from the pump is regularly sprayed onto the unit. This ensures that the air evaporative coolers can continue to operate reliably and effectively over a longer period.
Benefits Of Using A System That Uses Evaporative Cooling
Evaporative cooling has many advantages over other methods of temperature control.
- Superior energy efficiency, evaporative cooling systems can be more cost-effective and less harmful to the environment than other methods for temperature control. Evaporative cooling systems use up to 80 percent less energy than traditional temperature control methods.
- Evaporative cooling uses technology that is simple and does not have many moving parts. This contributes to its ease of use. This means there’s less chance of something going wrong. It also means that these systems are typically cheaper to install, maintain and repair.
- Evaporative coolers serve two purposes. They can reduce the temperature in your home and increase the relative humidity. Evaporative cooling is better than other air conditioners because it causes water vapor to condense from the air. This makes it a good choice for climates more likely to dry.
The type of air conditioner you need will depend on various factors, such as the climate in your area, the structure of your building, and your company’s daily operations. It is strongly advised that you seek the advice of a professional air conditioning company specializing in commercial work before deciding.