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Utilizing AI to Understand and Visualize Airflow Management and Optimize Data Center Cooling

by Bobby Salerno on January 29, 2020

By now, many of us have probably heard that the vast majority of data centers are over-cooled in one way or another. For the most part, this statement is true and isn’t just a sales tactic or marketing lingo meant to sell you on a certain product or service. Poorly utilized cooling in data centers is indeed prevalent, and for a few reasons, two of them being more likely. 

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The first scenario is when there is a lack of airflow management, such as blanking panels, grommets, and containment, resulting in bypass airflow and/or exhaust air recirculation. When this happens, more cooling (both conditioned airflow rate and a colder supply temperature), is required in order to properly cool the IT equipment and avoid hotspots. The second scenario is when airflow management has been implemented successfully, but the proper steps have not been taken to adjust the cooling infrastructure (i.e. raising set points, lowering fan speeds, and/or turning off cooling units). This is a very important point, as making these changes is the only way to realize the financial benefits of airflow management. Without making these changes, you are simply providing more cooling than what is required to cool the IT equipment, resulting in cold spots and or wasted fan energy.

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Regardless of the scenario, both of these issues are roadblocks on a data center’s path to reducing energy costs (related to cooling) and improving cooling capacity. And while the buzz around AI hasn’t quite lived up to the hype in some cases, perhaps its biggest contribution to the data center lies in airflow management and cooling optimization.

Visualizing Airflow Management Improvements

One of the major hurdles for airflow management is making the case for it in the first place. As long as IT equipment is being cooled, no matter the cost, it becomes a “why fix it, if it’s not broken” situation. The reason being, it’s difficult to visualize something that’s invisible (air) and even more difficult to quantify it financially. Sure, you can see temperature readouts on a screen or use an IR thermometer to check inlet temperatures, but this is usually on a cabinet by cabinet or row by row basis, and it is rarely related to power consumption. What does this look like at a room level in an AI environment? This might be what’s needed to give an accurate picture of a data center’s cooling performance and capacity. It’s a much clearer picture when you can see how much cooling is required by IT equipment versus what is being supplied.

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Topics: upsite upsite technologies data center management data center cooling

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