INTELLIGENT
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Find your oasis in the Middle East
Indirect evaporative cooling for hot climates
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T
he amount of energy needed for
cooling the world’s data centres is
huge and increasing, both in terms of
cost and in environmental impact. A total of
30% to 40% of energy consumption in a
typical data centre is attributed to cooling.
Thermal loads inside data centres and
electronic enclosures must be managed
efficiently, therefore, using solutions
that minimise energy consumption while
offering reliable, flexible and sustainable
cooling is critical.
Using indirect evaporative cooling (IEC)
is one approach that has the potential to
address this issue. Munters’ Oasis range of
IEC solutions, for example, are claimed to
save up to 75% in energy consumption,
compared to standard air-conditioning
systems, the equivalent to the emissions of
30,000 cars per data centre.
Data centres are also able to free up electrical
power for their core business. It is reported
that facilities can increase the available
electrical power by 37% when using this
approach, allowing operators to install more
communication equipment without needing
The Oasis DCiE
to invest in additional expensive power
installations from utility companies.
30% TO 40%
OF ENERGY
CONSUMPTION
IN A TYPICAL
DATA CENTRE IS
ATTRIBUTED
TO COOLING.
www.intelligentcio.com
Evaporative cooling is one of nature’s
fundamental methods of cooling. It is
the same cooling principle that our body
uses when moisture (sweat) evaporates
and cools the skin. In fact, it is one of
mankind’s oldest methods of cooling the
environment – the ‘windcatcher’ was used
in ancient Egypt and Persia, thousands of
years ago, in the form of wind shafts on the
roof, which caught the wind, passed it over
subterranean water and discharged the
cooled air into the building.
Today, the Oasis IEC system takes
advantage of evaporation to reject heat
without adding moisture to the data
centre. It operates by circulating the
primary air from the white space through
heat exchangers, which are cooled using
a combination of outdoor air movement
and evaporation. The indoor and outdoor
airstreams never mix, resulting in a minimal
requirement for filtration, and the systems
can even work in the economiser mode
during extreme ambient weather conditions.
Because the Oasis is a recirculating system,
the data centre is cooled without the
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