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Story tips from the US Department of Energy’s Oak Ridge National Laboratory February 2010
Date:2/3/2010

ion annually. Lockheed Martin funded this project, and has integrated this capability into its Defense and Self-Healing Networks experimental cyber defense system. [Contact: Ron Walli, (865)576-0226; wallira@ornl.gov]

COMPUTING - Seeking Supercomputing Energy Savings . . .

A fan upgrade that will save Oak Ridge National Laboratory's computing complex $150,000 a year in energy costs is just the latest step by the laboratory to reduce its computing carbon footprint. The fan upgrade will allow the laboratory's Computer Science Building's (CSB's) 20 30-ton air conditioning units to operate at peak efficiency. The upgrade is just the latest in a series of steps by the laboratory to reduce its energy footprint while maintaining two of the world's fastest computers and solving some of the world's most pressing scientific problems, from alternative energy to new materials to the role of proteins in diseases. The CSB was among the first Leadership in Energy and Environmental Design (LEED)-certified computing facilities in the country and has one of the best power usage effectiveness ratings of any large-scale data center. Furthermore, a new cooling system, dubbed ECOphlex, for the laboratory's Cray supercomputers allows the laboratory to reduce the amount of chilled water used to cool Jaguar, the world's fastest supercomputer. Considering the fact that thousands of gallons of water per minute are necessary to keep Jaguar cool, a reduction in the volume of necessary chilled water means a proportionate reduction in the energy used to cool it. Whereas most centers use 0.8 watts of power for cooling per every watt of power used for computing, ORNL enjoys a far more efficient ratio of 0.3 to 1, one of the lowest of all data centers measured. [Contact: Scott Jones, (865)574-6944; jones@ornl.gov]

COMPUTING - How bacteria "know" . . .

Using a combination of e
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Contact: Ron Walli
wallira@ornl.gov
865-576-0226
DOE/Oak Ridge National Laboratory
Source:Eurekalert

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