Senin, 28 September 2009

Geothermal cooling systems

Geothermal cooling systems haven’t been widely used in data centers. One of the first implementations we’ve come across is a new data center for American College Testing in Iowa City, Iowa that has been awarded Platinum certification in the Leadership in Energy and Environmental Design (LEED) program, a voluntary rating system for energy efficient buildings overseen by the US Green Building Council.

The ACT facility becomes the first data center in the U.S. to complete LEED Platinum certification. A Citigroup data center in Germany has earned Platinum status, while Advanced Data Centers in Sacramento has been pre-certified for Platinum status.

The ACT data center opened in February 2008 and features 4,000 square feet of raised-floor data center space within an 8,000 square foot building. The facility is cooled by a geothermal “bore field” – a system of vertical holes drilled into the earth’s surface which house a closed-loop piping system filled with water and/or coolant. The cool earth allows the underground piping system serves as a heat exchanger. The ACT data center also has an exterior dry cooler as a backup to the geothermal system

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