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Home » Articles » Safer Cold Aisle Containment

Safer Cold Aisle Containment

Cold Aisle ContainmentThe Cool Shield solution from Data Center Resources can easily be installed for either hot aisle or cold aisle containment.  Therefore, we do not have a vested interest in one over the other.  In fact, we have installed dozens of both types of containment and our customers have achieved excellent results across the board.  Based on this, it has been our opinion that it makes no real difference in terms of efficiency which approach is used.  As long as the hot exhaust air is prevented from mixing with cold supply air, the results will be there.  The best approach for a particular data center will often be dictated by other factors.

In most existing data centers, it is much easier to implement cold aisle containment.  A common issue with hot aisle containment is the lack of a ceiling plenum or other path to return hot exhaust air back to CRAC/CRAH units. The exhaust air cannot simply be trapped, it has to go somewhere or there will be pressure issues.  The complication and expense of creating a return path often outweighs the savings to be gained from containment.  Even if there is a good return path, it is more common to encounter cable trays, pipes and other obstructions when containing the hot aisle.

However, there are also some concerns about containing the cold aisles as well.  The most valid argument against cold aisle containment is the potential for thermal runaway in the event that there is a disruption in the supply air.  This could be the result of a power outage or equipment failure.  Most data centers have back-up power and proper redundancies so the effects of such a failure should be minimal.  However, it may not take long for servers to be starved for air and begin to overheat.

Data Center Resources has solutions to overcome this challenge. Our <electronically activated ceiling panels and thermal links allow vertical or horizontal partitions to open if the temperature in the cold aisle reaches a threshold level.  Unlike standard fusible links these can be activated by temperatures at the server intake, exhaust or any other location.  This “breaks” the containment which will allow air from other parts of the data center to enter the cold aisle.  Implementing these safe guards can be a fraction of the cost of retrofitting a data center to accept hot aisle containment.  Please contact us to discuss the most effective approach for your containment project.

NextHot Aisle Containment or Cold Aisle ContainmentNext

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