Water splitting devices to generate hydrogen and oxygen
    Still Alive and Solar Update

    HYDROPOWER 

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    Oak Ridge National Laboratory researchers have produced the next generation of the National Hydropower Map – a visualization tool that provides updated statistics on overall capacity and performance on the nation’s hydropower fleet. The map is part of the lab’s National Hydropower Asset Assessment Program, which synthesizes and extends vast national datasets used to evaluate existing and potential hydropower resources in the United States. The ORNL-led program advances integrated energy, water and ecosystem research that informs efforts to boost U.S. hydropower strategic initiatives. In 2015, the Department of Energy reported that hydropower accounted for 6.2 percent of net electricity generation, 48 percent of all renewable power generation and 97 percent of electricity storage in the United States. The newly updated map is available on the NHAAP website.

    [Contact: Sara Shoemaker, (865) 576-9219, shoemakerms@ornl.gov]

    Calibrating energy savings …

    Researchers at Oak Ridge National Laboratory have further validated the accuracy of the ORNL-developed Autotune building energy model calibration software, an open source system that can inform contractors to make smarter retrofit decisions. Through two case studies, the research team analyzed Autotune’s accuracy, beating the industry’s energy efficiency standards while automating the equivalent of about 45 man-hours of calibration effort per building. Using Autotune, the team analyzed whole-building energy consumption and multiple parameters such as lighting, electricity loads, heating, ventilation, and air conditioning use and temperatures of existing buildings and corrected, or tuned, the models to yield optimal energy efficiency. Results of the case studies were published in Applied Energy.

    [Contact: Sara Shoemaker, (865) 576-9219, shoemakerms@ornl.gov]

     

    Faster calculations …

    A multi-institution team led by Jefferson Lab’s Robert Edwards has been using Oak Ridge National Laboratory’s Titan supercomputer to drastically improve modeling subatomic particles using lattice quantum chromodynamics methods. The Jefferson Lab investigators partnered with NVIDIA high-performance computing researcher Kate Clark, who helped create a multigrid algorithm to improve simulations studying the smallest measurable units of matter–quarks, gluons and mesons. The team has seen 7- to 10-fold increases in code performance since implementing the algorithm to take advantage of Titan’s hybrid architecture. The innovation benefits more than just the Edwards team–other research teams are already implementing the algorithm into their own codes.

    [Eric Gedenk, (865) 241-5497,gedenked@ornl.gov]

     

    NUCLEAR – Molten salt reactor workshop…

    Oak Ridge National Laboratory’s ongoing research in molten salt reactors–along with decades of renowned efforts in the field–is bringing nuclear experts together for its second workshop on the new generation of MSRs. The October 4-5 event is organized around the theme of “Moving MSRs Forward–The Next Steps” and will highlight research and development progress in MSRs, along with technological and commercial updates. The lab’s 2015 workshop took place in conjunction with the commemoration of the 50th anniversary of the startup of the Molten Salt Reactor Experiment at ORNL. This year’s meeting will again include government representatives, U.S. and international researchers, academics, regulators, utilities and reactor design firms. “The response from last year’s attendees was extremely positive and a motivating factor to have ORNL host this second workshop as progress is made on the advancement of MSRs,” ORNL’s David Holcomb said.

    [Contact: Jason Ellis, (865) 241-5819, ellisjk@ornl.gov]

     

    Water splitting devices to generate hydrogen and oxygen
    Still Alive and Solar Update
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