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Upcoming Release of the University of Minnesota’s Virtual Wind Simulator

August 5th, 2015|Categories: Analysis, Computational Modeling & Simulation, Energy, Highlights - HPC, Modeling, Modeling, Modeling & Analysis, Modeling & Analysis, News, News & Events, Partnership, Renewable Energy, Research & Capabilities, Systems Analysis, Wind Energy, Wind News|Tags: , , , , , , , , , , , , , , , |

Large-eddy simulation (LES) of wind farms with wind-turbine parameterization is emerging as a powerful tool for improving existing wind farm performance and lowering maintenance costs—and assessing the potential sites for installing wind farms. Sandia is working with the University of Minnesota (UMN) St. Anthony Falls Laboratory to document and prepare UMN’s offshore version of the Virtual Wind Simulator (VWiS) code for release. VWiS is a state-of-the-art LES code that is capable of simulating atmospheric turbulence [...]

Sandia Wind-Turbine Blade Flaw Detection Experiments in Denmark

August 5th, 2015|Categories: Analysis, Energy, Highlights - Energy Research, Infrastructure Assurance, Monitoring, News, News & Events, Partnership, Renewable Energy, Research & Capabilities, Systems Analysis, Wind Energy, Wind News|Tags: , , , , , , , , , , |

Wind-turbine blades pose a unique set of inspection challenges: from very thick and attentive spar-cap structures to porous bond lines, varying core material, and a multitude of manufacturing defects of interest. The need for viable, accurate, nondestructive inspection (NDI) technology becomes more important as the cost per blade—and lost revenue from downtime—grows. Under its Blade Reliability Collaborative program, Sandia is quantitatively assessing the performance of a wide range of NDI methods that are currently deployed, [...]

Structural Health Monitoring and Prognostics Management for Offshore Wind Plants

August 5th, 2015|Categories: Computational Modeling & Simulation, Energy, Highlights - Energy Research, Modeling, Modeling, Modeling & Analysis, Modeling & Analysis, News, News & Events, Renewable Energy, Research & Capabilities, Wind Energy, Wind News|Tags: , , , , , , , , , , , , |

Offshore wind energy could potentially play a significant role in helping the nation establish a diversified energy-generation portfolio composed of clean, renewable resources. A current obstacle to offshore wind energy is that most projections put offshore wind farm operations and maintenance (O&M) costs between 2 to 5 times the current average O&M costs for onshore wind farms. One way in which those costs may be reduced is through a simple, yet effective structural health monitoring [...]

Workshop “Shales at All Scales: Exploring Coupled Processes” Is a Success

July 30th, 2015|Categories: Climate, Geoscience, Global Climate & Energy, Global Climate & Energy, News, News & Events|Tags: , , , , , , , |

This workshop, held June 9–11 in Santa Fe, explored physical and geochemical processes in shale controlled by diagenesis; nano-confinement and pore-scale coupled processes in shale; fracture and coupled processes of shale; and multi-scale, multi-physics behavior of shale. Please see the workshop website for the list of speakers, presentations, and the meeting agenda. Shales at All Scales gathered 47 participants from many institutions. Academia (University of Texas; Massachusetts Institute of Technology; Ohio State, Purdue, Stanford, and [...]

Sandia Modifies Delft3D Turbine Model

July 29th, 2015|Categories: Computational Modeling & Simulation, Energy, Highlights - HPC, Modeling, Modeling, Modeling & Analysis, Modeling & Analysis, News, News & Events, Renewable Energy, Research & Capabilities, Water Power|Tags: , , , , , , , , , , , , |

Delft3D is a state-of-the-art, open-source hydrodynamics software suite capable of modeling hydrodynam­ics, sediment transport, and water quality in rivers, lakes, estuaries, and coastal environments. Delft3D was developed by the Dutch company, Deltares. Because it is actively developed and maintained and because it is held in high regard by researchers and practitioners alike, Sandia is developing Delft3D as a complementary replacement for the aging open-source-version of the Environmental Fluid Dynamics Code (EFDC), which was modified to [...]

Sandia Research on Rooftop Structural Strength Gains Attention

July 29th, 2015|Categories: Energy, News, News & Events, Partnership, Photovoltaic, Renewable Energy, Research & Capabilities, Solar, Solar Newsletter, SunShot, Systems Analysis, Systems Engineering|Tags: , , , , , , , , , , , , , , |

A roof structure is made stronger by the system elements working together—much stronger than its main load-bearing element, the rafter, is alone. Current engineering analysis methods do not take this composite action into account when evaluating rooftop strength. Two Sandia research reports, “Structural Code Considerations of Solar Rooftop Installations” and “Empirically Derived Strength of Residential Roof Structure for Solar Installations,” have been featured recently in a number of solar trade outlets. Sandia [...]

Hydrogen Fuel-Cell Funding Awarded for Feasibility Study

July 23rd, 2015|Categories: Capabilities, Center for Infrastructure Research and Innovation (CIRI), Energy, Energy Storage, Energy Storage Systems, Facilities, Fuel Options, Livermore Valley Open Campus (LVOC), News, News & Events, Partnership, Research & Capabilities, Systems Engineering, Transportation Energy|Tags: , , , , , , , , , , , , , , , , , , , , , |

Sandia and San Francisco’s Red and White Fleet are partnering to develop a high-speed, hydrogen-fuel-cell-powered passenger ferry and refueling station. Hydrogen fuel cells have higher energy efficiency than the diesel engines that power most passenger ferries, no harmful exhaust emissions, quiet operation, and no risk of fuel spills. (Photo courtesy of Red and White Fleet) The San Francisco Bay Renewable Energy Electric vessel with Zero Emissions (SF-BREEZE) project intends to revolutionize ferry performance [...]

Sandia Pilot Program to Assist Small Clean-Energy Companies

July 23rd, 2015|Categories: Concentrating Solar Power, Customers & Partners, Energy, Energy Storage, Facilities, National Solar Thermal Test Facility, News, News & Events, Partnership, Renewable Energy, Research & Capabilities, Solar|Tags: , , , , , , , , , , , , , , , , , , , , |

The National Solar Thermal Test Facility at Sandia could be used for collaborative research through the Small Business Voucher Pilot. (Photo by Randy Montoya) The DOE chose Sandia as one of five leads in a pilot that will give small, clean-energy companies access to national laboratory expertise and resources. Sandia will receive $2.75M of DOE’s $20M investment to launch the voucher pilot for small business assistance and collaborative research. “Our pilot, which we’ve [...]

Navy/Marine Engineering Command Visits Sandia

July 15th, 2015|Categories: Capabilities, Computational Modeling & Simulation, Concentrating Solar Power, Energy, Facilities, Modeling, Modeling, Modeling & Analysis, Modeling & Analysis, National Solar Thermal Test Facility, News, News & Events, Partnership, Photovoltaic, Renewable Energy, Research & Capabilities, Sensing & Monitoring, Solar, Solar Newsletter, SunShot, Systems Analysis, Wind Energy|Tags: , , , , , , , , , , , , , , , , , , , |

Our nation relies upon a network of radars across the country to support the missions of homeland defense/ security, flight safety, and weather forecasting. The air-surveillance environment contains within it clutter, both stationary and moving. Wind turbines present a unique problem in that they can be both stationary and moving clutter and operate with blade tip speeds up to 200 knots, in the same range as aircraft speeds. Steven Chung, Naval Facilities Engineering [...]

Australian Renewable-Energy Official Visits Sandia

July 15th, 2015|Categories: Concentrating Solar Power, EC, Energy, Geothermal, News, News & Events, Photovoltaic, Renewable Energy, Solar, Water Power, Wind Energy|Tags: , , , , , , , , , , , , |

Louise Vickery, General Manager, Renewable Futures at the Australian Renewable Energy Agency (ARENA). At the end of June, Louise Vickery, General Manager, Renewable Futures at the Australian Renewable Energy Agency (ARENA) visited Sandia. ARENA manages the Australian government’s commitment to improve the competitiveness of renewable energy technologies and to increase Australia’s renewable energy supply.* ARENA supports all renewable energy technologies and projects across the innovation chain—from laboratory research to large-scale technology demos. The [...]

Sandia Researcher Recognized at SunSpec Alliance Annual Meeting

July 15th, 2015|Categories: DETL, Distribution Grid Integration, Energy, Facilities, Grid Integration, Highlights - Energy Research, News, News & Events, Photovoltaic, Renewable Energy, Research & Capabilities, Solar, Solar Newsletter, Staff, Systems Analysis|Tags: , , , , , , , , , , , , |

Sandia solar researcher Jay Johnson (in Sandia’s Photovoltaics and Distributed Systems Dept.) attended the SunSpec Alliance Annual Member’s Meeting in San Francisco last Spring and received the 2015 SunSpec McCulloch-Pitts Award in recognition of “innovation, collaboration, and general technical excellence in the area of distributed energy resource control automation.” The award acknowledged Johnson’s collaborative research as part of a cooperative research and development agreement (CRADA) with the SunSpec Alliance. Under the CRADA, Sandia and the [...]

Sandia Research Featured on Journal of Physical Chemistry A Cover

July 15th, 2015|Categories: Energy, Materials Science, Modeling, Modeling, Modeling & Analysis, Modeling & Analysis, News, News & Events, Nuclear Energy, Office of Science, Research & Capabilities|Tags: , , , , , , , , , , , , , , , , , , , |

As part of Sandia’s core geochemistry program funded by DOE Office of Basic Energy Sciences (BES), Sandia’s Randall Cygan (in Sandia’s Geoscience Research and Applications Dept.) and his collaborators, W. Crawford Elliott and his PhD student Laura Zaunbrecher from Georgia State University, have been examining the adsorption mechanisms of metal cations onto soils and sediments. This effort is especially important for the environmental treatment of chemical and radioactive contaminants, including the fission product cesium-137—which is [...]

Sandian Wins Award in 2015 OMAE Hydraulic Modeling Competition

July 14th, 2015|Categories: Capabilities, Computational Modeling & Simulation, Energy, Highlights - Energy Research, Modeling, Modeling, Modeling & Analysis, Modeling & Analysis, News, News & Events, Partnership, Renewable Energy, Research & Capabilities, Systems Analysis, Water Power|Tags: , , , , , , , , , , , , |

The OMAE 2015 Hydrodynamic Modeling Competition award ceremony at the ASME conference in St. Johns, Newfoundland, Canada. Sandia's Carlos Michelen is third from the right. Carlos Michelen (in Sandia’s Water Power Technologies Dept.) and a team of National Renewable Energy Laboratory (NREL) researchers (Michael Lawson, Braulio Garzon, Fabian Wendt, and Yi-Hsiang Yu) won the Offshore Mechanics and Arctic Engineering (OMAE) 2015 Hydraulic Modeling Competition during the 34th ASME International Conference on Ocean, Offshore, [...]

Sandia’s Continuously Recirculating Falling-Particle Receiver Emplaced at Top of Solar Tower

July 14th, 2015|Categories: Capabilities, Concentrating Solar Power, Energy, Energy Storage, Energy Storage Systems, Facilities, Highlights - Energy Research, Materials Science, National Solar Thermal Test Facility, News, News & Events, Renewable Energy, Research & Capabilities, Solar, Solar Newsletter, SunShot, Systems Engineering|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

Sandia researchers are working to lower the cost of solar energy systems and improve efficiencies in a big way, thanks to a system of small particles. Technologists John Kelton and Daniel Ray (both in Sandia’s Concentrating Solar Technologies Dept.) perform inspection of the falling-particle receiver during a cloud delay atop the NSTTF’s Solar Tower at Sandia. (Photo by Randy Montoya) This month, engineers lifted Sandia’s continuously recirculating falling-particle receiver to the top of [...]

High School Girls Honored for Math, Science Achievements

July 14th, 2015|Categories: EC, News, News & Events|Tags: , , , , , , |

Sandia presented its annual Math and Science Awards to 31 girls from San Francisco Bay Area high schools, celebrating their academic accomplishments and potential. Sandia vice president Marianne Walck, center, celebrates with Dublin High School student Alessia Stewart, one of 31 high school girls honored by Sandia for academic achievement in math and science. (Photo by Dino Vournas) “I want to congratulate each of you for your academic excellence and encourage you to [...]

Hydrogen Fuel Cell Project Seeks to Reduce Port Emissions

July 10th, 2015|Categories: Capabilities, Center for Infrastructure Research and Innovation (CIRI), Energy, Energy Storage Systems, Facilities, Fuel Options, Highlights - Energy Research, Livermore Valley Open Campus (LVOC), News, News & Events, Partnership, Research & Capabilities, Systems Engineering, Transportation Energy|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , |

Young Brothers, Ltd. to Test Maritime Unit at Port of Honolulu Can clean, sustainable hydrogen power reduce the concentration of emissions produced at commercial ports? The US Department of Energy (DOE), the US Department of Transportation’s Maritime Administration (MARAD), and Sandia National Laboratories are leading a hydrogen fuel cell deployment project in Hawaii to answer that question. The project will test the feasibility of replacing diesel generators with hydrogen-fuel-cell-powered generators. Because hydrogen fuel cells produce [...]

Sandia Nuclear Power Safety Expert Elected to National Academy of Engineering

July 10th, 2015|Categories: Analysis, Capabilities, Energy, Infrastructure Security, News, News & Events, Nuclear Energy, Research & Capabilities, Systems Analysis, Systems Engineering|Tags: , , , , , , , , |

Dana Powers, a recently retired Sandia senior scientist and nuclear safety expert in Sandia’s Advanced Nuclear Energy Programs, who studied the Three Mile Island and Chernobyl nuclear power plant accidents during his more than 40-year career, was elected a member of the National Academy of Engineering (NAE) “for contributions to commercial nuclear power plant safety worldwide and to radioactive source-term processes.” Sandia’s Dana Powers was elected to the National Academy of Engineering shortly before [...]

Sandia Teaches Nuclear Safety Course

July 10th, 2015|Categories: Capabilities, Energy, Infrastructure Assurance, Infrastructure Security, News, News & Events, Nuclear Energy, Research & Capabilities|Tags: , , , , , , , , |

Measures for keeping nuclear materials out of the wrong hands can be as straightforward as a stout post beam designed to stop massive, speeding trucks in their tire tracks—or they can be as complex as fencing draped with a web of sensors so acute they can differentiate the movements of men from those of jackrabbits. Multiple systems and strategies are necessary to safeguard nuclear materials in nonmilitary facilities such as hospitals, clinics, and nuclear power [...]

DOE-EERE Deputy Assistant Secretary Hollett Visits Sandia

July 9th, 2015|Categories: Concentrating Solar Power, Customers & Partners, Cyber, Distribution Grid Integration, Energy, Energy Storage, Energy Storage Systems, Facilities, Global Climate & Energy, Global Climate & Energy, Grid Integration, Highlights - Energy Research, Microgrid, National Solar Thermal Test Facility, News, News & Events, Photovoltaic, Photovoltaic Systems Evaluation Laboratory (PSEL), Renewable Energy, Research & Capabilities, SMART Grid, Solar, SunShot, Systems Engineering, Transmission Grid Integration, Water Power, Wind Energy|Tags: , , , , , , , , , , |

DOE-EERE Deputy Assistant Secretary for Renewable Power, Douglas Hollett. (DOE photo) In his role as Department of Energy Office of Energy Efficiency and Renewable Energy (EERE) Deputy Assistant Secretary for Renewable Power, Douglas Hollett oversees research, development, and demonstration of a diverse clean-energy portfolio that includes power generation from wind, solar, geothermal, conventional hydropower, and marine and hydrokinetic resources, as well as grid-integration of these renewable technologies. An artist’s rendering of the [...]

Energy Council Executive Committee Visits Sandia

July 9th, 2015|Categories: Carbon Capture, Carbon Capture & Storage, Carbon Storage, Climate, Concentrating Solar Power, Distribution Grid Integration, Energy, Facilities, Geoscience, Global, Global, Global Climate & Energy, Global Climate & Energy, Grid Integration, Highlights - Energy Research, Infrastructure Assurance, Infrastructure Security, Microgrid, National Solar Thermal Test Facility, News, News & Events, Photovoltaic, Renewable Energy, Research & Capabilities, SMART Grid, Solar, Transmission Grid Integration|Tags: , , , , , , , |

The Energy Council pauses in their tour of the NSTTF. Energy Council legislators oversee energy and related environmental regulation in North American states/provinces where energy is important to the employment base and fiscal well-being. The Energy Council provides a larger context in which each jurisdiction may consider its particular concerns. The Council’s interests range from fossil energy to renewables, from energy production to its transmission/distribution, and from federal regulation to state/provincial oversight. On [...]