DATA CENTRE MANAGEMENT FEATURE GOING GREEN
One of the key advantages of having a data centre in the UK is that fresh air cooling can be used all year round, as the temperate climate is ideal for a combination of free cooling and evaporative cooling, according to EcoCooling
N
ot only can this result in huge energy savings when compared to
refrigerant based alternatives, but ASHRAE standard class one compliance can also be achieved (up to 99 per cent), making it suitable for both new build and retrofit data centres and server rooms. Direct free cooling exploits low
external temperatures by utilising outside air to cool the data centre. On hotter days, the natural process of evaporative cooling can be used to lower the air temperature. Careful use of filtration to remove gaseous particulates and controlled air mixing
to ensure constant temperatures allows fresh air technologies to be used for the cooling of the majority of IT equipment. The adoption of free cooling has
recently increased, with many of the hyperscalers implementing fresh air cooling technologies into their facilities, with great success. This adoption at the larger end of the market, along with the large energy savings, has driven a demand for smaller facilities wanting to exploit the energy saving and cost saving associated with free cooling. Additionally, government attention on the power draw
to data centres has increased pressure on the industry to look at ways of reducing overall power consumption. EcoCooling has been working as part
of a pan-European H2020 funded project to prototype a cost and energy efficient data centre model for IT facilities. The project is driven towards the holistic approach to data centre design and management, and is currently achieving world class results, with PUEs of under 1.02 being achieved the majority of the time. The project team built a facility where
the IT equipment and cooling system can be optimised to reduce energy use, while maintaining uptime and compute power. Consortium partners have introduced a number of different scenarios to testing, including the predicted load of smart cities and IoT based IT demands. The research and optimisation has
allowed EcoCooling to develop its control system, allowing its modular products to achieve efficiencies for data centres from 15kW to 50MW in size. The company’s applications department
has supplied cooling systems for over 1,000 data centre and telecommunications operations, including BT, Hydro66, TalkTalk and Cap Gemini, with the majority achieving PUEs of below 1.1. “The system works terrifically well for
our new London central data centre,” says Matthew Butt, managing director of Netwise Hosting. “It’s cost effective, very easy to
install, and now functions well, not only as an incredibly effective cooling system, but also as a real world exercise in the dramatic reduction of operational costs.”
EcoCooling
ecocooling.co.uk
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