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Keeping It Cool with Adiabatic Cooling

07 March, 2016

Keeping It Cool with Adiabatic Cooling

adiabatic coolingData Centre cooling is essential for facilities located in both hot & cold climates – especially when you consider that a cooling equipment failure could wreak havoc on a firm’s revenues. But there’s one method coming to the fore that is beating all rivals – Adiabatic cooling. Here’s all you need to know about this efficient cooling method.

What is Adiabatic cooling?

Often referred to as ‘evaporative cooling’ or ‘swam cooling’, adiabatic cooling is ‘the process of reducing heat through a change in air pressure caused by volume expansion’. Hot air is essentially drawn in to the cooling tower and passes through a wet filter. The rate of evaporation removes the heat at a high level and the cooler air passes back through to the datacentre, keeping a moderate temperature.

Here’s a very simple example of Adiabatic Cooling. Imagine you lick your finger and then blow on it. It will feel much colder when it’s wet than it would if you blew on it when it was dry. This is the basic premise behind adiabatic cooling techniques.

Using air and water rather than potentially harmful refrigeration gases, the technique is more environmentally-friendly than traditional methods, and is therefore looked upon as the future of cooling in the datacentre sector.

The benefits of adiabatic cooling:

So what are the main benefits of adiabatic cooling? One of the biggest advantages is the lack of refrigerants needed to make this process work. Refrigerants are not only costly, they’re harmful to the environment, and with many datacentres actively trying to become more eco-friendly and reduce how much harm they’re doing to the environment, refrigerants are public enemy number one.

Adiabatic cooling systems are also very cost-effective. They don’t cost much to install, and they use little electrical power, which keeps their running costs relatively low. Indeed, all the systems need to be highly effective is a reliable water source and a warm climate which has a naturally low humidity. It’s hard to provide a ballpark figure for the savings because they will vary depending on a number of other factors, but it’s safe to say that this method offers excellent savings for businesses.

There is, however, one resource that adiabatic cooling demands a lot of: water. However, this method still manages to consume less water for the same amount of cooling than a regular cooling tower, making it by far the most effective and cheap method of cooling for a huge number of datacentres. 

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