AFCO White Paper on Datacenter Cooling and Power Efficiency Gives Cold Shoulder to Hot Aisle, Cold Aisle Approach

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Independent Academic Research Employs Advanced Data Modeling to Compare Datacenter Cooling Efficiency Models; a must read for datacenter managers trying to contain runaway energy costs.

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A Strategic Approach to Datacenter Cooling

While the performance and abilities of datacenter technologies have improved according to Moore's Law, the approach to cooling those datacenters are more than a decade and a half behind. To help datacenter managers and other IT professionals better understand how their organizations can contain runaway energy costs through improved datacenter cooling technologies, AFCO Systems, a global leader in the design and manufacture of advanced enclosure technology for mission-critical datacenter environments, is making available "A Strategic Approach to Datacenter Cooling" an independent white paper that investigates the technologies and strategies involved. The complimentary white paper is available for download from http://www.afcosystems.com/white_papers.htm.

The independent white paper, authored by James Fulton, PhD, Associate Professor of Mathematics, New York's Suffolk County Community College in Long Island, demonstrates through advanced data modeling techniques the inefficiencies of traditional approaches to datacenter cooling, such as hot aisle, cold aisle (HACA), and the greater efficiencies gained through inlet control technologies such as AFCO's KOOL ITâ„¢ approach.
"Industry must recognize that it has surpassed the limits of the HACA design strategy and now needs to switch to a broader more encompassing cooling solution," said Fulton. "With increasing server density in the cabinets, the cabinets themselves now need to be considered as an integral part of the cooling system. They can no longer be thought of as passive components, they must now take on an active and pivotal role in cooling a datacenter."

The white paper discusses how, beyond the obvious benefit of providing a stable temperature environment, there are numerous other benefits provided by airflow control within the datacenter, including:

  • Greater efficiency (operational cost savings, better server performance)
  • Greater server reliability and life
  • Increased power density potential and scalability
  • Design robustness and flexibility
  • Increased recovery time after power failure

The dramatic differences in cooling approach can best be seen here in Figures 1 & 2 which show side-by-side comparisons of racks of computers and servers in a datacenter setting. Figure 1 shows how inefficient cooling through HACA yields over-chilled spots (in purple) and over-heated or hot spots (in orange, yellow and green) in the computer model, while more efficient KOOL IT technologies model as a more consistent blue (for cool) color.

FIGURE 1: INEFFICIENT HACA DATACENTER COOLING APPROACH

FIGURE 2: EFFICIENT KOOL IT DATACENTER COOLING TECHNOLOGY

"Dr. Fulton's research validates and substantiates AFCO Systems' claims that improved airflow technologies, like KOOL IT, are key to reining in datacenter power consumption due to inefficient approaches," said AFCO Systems CEO Michael Mallia. "We hope this white paper lays some myths to rest and provides IT professionals sounder science for cooling their datacenters."

About AFCO Systems
AFCO Systems, a global leader in the design and manufacture of advanced enclosure technology for mission-critical datacenter environments, has the world's largest installed base of thermostatically-controlled, air-cooled and heat load-balancing enclosures. The company is headquartered in Farmingdale, NY, and has a global presence with operations in North America, Ireland, London, Singapore and Tokyo. For more information, visit http://www.AFCOSystems.com or call 631-249-9441.

Media contacts:
Arthur Germain
Communication Strategy Group for AFCO Systems
(agermain @ gocsg.com)
631-239-6335
http://www.gocsg.com

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Arthur Germain

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