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Sandia Solar Energy Test System Cited in National Engineering Competition

May 16th, 2013|Categories: Concentrating Solar Power, Energy, Energy Storage, Facilities, National Solar Thermal Test Facility, News, News & Events, Partnership, Renewable Energy, Solar|Tags: , , , , , , , , , , , |

The Molten Salt Test Loop at Sandia's National Solar Thermal Test Facility. Bridgers & Paxton Consulting Engineers, Inc., of Albuquerque, N.M., earned a National Recognition Award for exemplary engineering achievement in the American Council of Engineering Companies’ (ACEC) 47th annual Engineering Excellence Awards for the Molten Salt Test Loop (MSTL) project, part of Sandia's NSTTF. Designed and built to exacting specifications, Sandia’s MSTL system provides a means to perform accelerated lifetime testing on [...]

Louisiana Blue Ribbon Commission on Bayou Corne Safety

May 9th, 2013|Categories: Capabilities, Carbon Capture & Storage, Climate, Earth Sciences Research Center, Modeling & Analysis, News, News & Events, Research & Capabilities|Tags: , , , , , , , |

This August 3 aerial shot released by the Louisiana Department of Natural Resources shows the sinkhole near Bayou Corne, Louisiana, which has grown since it first began forming in August. Sandia researcher David Borns is part of a group of experts providing technical evaluations about possible causes and remedies for the sinkhole. (Photo courtesy of Louisiana Department of Natural Resources) Secretary Stephen Chustz, from the Louisiana Department of Natural Resources (LADNR), asked David [...]

Estimating Device or System Probability of Failure

May 9th, 2013|Categories: Analysis, Energy Surety, Facilities, Infrastructure Security, Modeling, Modeling & Analysis, News, News & Events, NISAC|Tags: , , , , , |

POF Darts is a new algorithm for the QMU problem of estimating device or system probability of failure (POF), e.g., of critical infrastructures in the face of a potentially disruptive event. POF Darts wraps around a computational simulation of a device, evaluating it at particular parameter values, such as uncertain environmental conditions and varying as-manufactured device characteristics. These evaluations are interpolated to build an estimate of the conditions under which the device fails, and their [...]

American Geophysical Union Publishes Hope Michelsen’s Induction to Alameda County Women’s Hall of Fame

May 2nd, 2013|Categories: CRF, Facilities, News, News & Events, Transportation Energy|Tags: , , , , , , , |

Sandia's Hope Michelsen. The April 9 issue of EOS, Transactions of the American Geophysical Union, ran a news item in their “Geophysisicists Honors” section about Hope Michelsen’s (in the Combustion Chemistry Dept.) induction into the Alameda County Women’s Hall of Fame ([94(15), p 144], announced here in February). The American Geophysical Union is the world’s largest professional society for geophysicists and atmospheric scientists, with more than 60,000 members.

Implemented “Vertically Lagrangian” Option in the Community Atmosphere Model

May 2nd, 2013|Categories: Analysis, Climate, Global Climate & Energy, Modeling, Modeling & Analysis, News, News & Events|Tags: , , , , , , , , , , , , , |

A screenshot from the 2-year AMIP (Atmospheric Model Intercomparison Project) precipitable water animation simulation run of the NSF/DOE Community Atmosphere Model (CAM5). The Community Earth System Model (CESM) is a state-of-the-art global climate model being developed with the support of the National Science Foundation and the Department of Energy and used for climate-change science and assessments. Sandia has been leading a multilaboratory effort to develop a new “dynamical core” for CESM’s atmospheric component. [...]

Sandia Quantum Transport Article Was the 12th Most Downloaded Paper from AIP’s Applied Physics Letters in February

May 1st, 2013|Categories: Capabilities, Materials Science, News, News & Events, Office of Science, Research & Capabilities|Tags: , , , , , , , , , , , , , , |

Research on topological insulators (TIs) has drawn intensive interests. The type-II InAs/GaSb heterostructure, due to its unusual alignment of the conduction and valence band edges of InAs and GaSb, is predicted to be a two-dimensional (2D) TI. σxx vs σxy at B = 20 T (blue dots), 25 T (black squares), and 30 T (red diamonds). Gray circles are defined by (σxx − N)2 + σxy2 = N2, with N = 1, 2, 3, and 4. Historically, type-II InAs/GaSb heterostructures have been extensively studied for infrared [...]

PV Paper Published in IEEE Transactions on Sustainable Energy

May 1st, 2013|Categories: DETL, Energy, Facilities, News, News & Events, Photovoltaic, Photovoltaic Systems Evaluation Laboratory (PSEL), Renewable Energy, Solar, Solar Newsletter, Systems Analysis|Tags: , , , , , , |

Matthew Lave is a Ph.D. student at the University of California, San Diego (UCSD). Matthew’s research focuses on variability analysis of solar radiation and solar power. His Ph.D. thesis is exploring upscaling and downscaling solar radiation time series using wavelets. Sandians Mathew Lave and Joshua Stein ( both in the Photovoltaics and Distributed Systems Dept.) along with Jan Kleissl (University of California–San Diego) published "A Wavelet-Based Variability Model (WVM) for Solar PV Power [...]

CRF Researchers Measure Reaction Rates of Second Key Atmospheric Component

May 1st, 2013|Categories: Analysis, Capabilities, Climate, CRF, Energy, Facilities, Global Climate & Energy, Modeling & Analysis, News, News & Events, Office of Science, Research & Capabilities, Sensing & Monitoring, Transportation Energy|Tags: , , , , , , , , , , , , |

Researchers at Sandia’s Combustion Research Facility, the University of Manchester, Bristol University, University of Southampton, and Hong Kong Polytechnic have successfully measured reaction rates of a second Criegee intermediate, CH3CHOO, and proven that the reactivity of the atmospheric chemical depends strongly on which way the molecule is twisted. The measurements will provide further insight into hydrocarbon combustion and atmospheric chemistry. A paper describing the research findings, “Direct Measurements of Conformer-Dependent Reactivity of the Criegee Intermediate [...]

Caterpillar, Sandia CRADA Opens Door to Multiple Research Projects

April 17th, 2013|Categories: Capabilities, Computational Modeling & Simulation, CRF, Materials Science, Modeling, Modeling, Modeling & Analysis, Modeling & Analysis, News, News & Events, Partnership, Research & Capabilities, Sensors & Optical Diagnostics, Systems Analysis, Systems Engineering, Transportation Energy|Tags: , , , , , , , , , , , , |

From left, Sandia computer scientists Brian Adams, Jim Stewart, and John Siirola look over the results of a Dakota optimization study. Caterpillar Inc.’s interest in Dakota, an open-source software tool developed by Sandia, launched talks that led to the CRADA signing. (Photo by Norman Johnson) Sandia and industrial giant Caterpillar Inc. have signed their first umbrella cooperative research and development agreement (CRADA), opening the door to a wide range of scientific research. “This [...]

Better Monitoring and Diagnostics Tackle Algae Biofuel Pond Crash Problem

April 17th, 2013|Categories: Biofuels, Biomass, Capabilities, Energy, News, News & Events, Renewable Energy, Research & Capabilities, Sensors & Optical Diagnostics, Systems Analysis, Transportation Energy|Tags: , , , , , , , , , , , , , |

Sandia National Laboratories’ Tom Reichardt, left, and Aaron Collins, center, chat with John McGowen of the Arizona Center for Algae Technology and Innovation (AzCATI). Sandia has developed several complementary technologies to help the algae industry in detecting and recovering from pond crashes, and is making use of the AzCATI test-bed facility to collect data and apply its technologies. (Photo by Steffan Schulz) Sandia is developing a suite of complementary technologies to help the [...]

New Book Highlights Pressing Need for Hydrogen-Powered Vehicles

April 17th, 2013|Categories: CRF, Energy, Energy Storage, Facilities, News, News & Events, Renewable Energy, Transportation Energy|Tags: , , , , , |

Sandia National Laboratories' Lennie Klebanoff says he feels a personal responsibility to inform technical readers and the public about the urgent need to get zero-emission hydrogen technology into the nation’s vehicles and other carbon-producing applications. (Photo by Dino Vournas) Sandia reveals the breadth of its hydrogen fuel expertise in the recently published Hydrogen Storage Technology—Materials and Applications. Sandia researcher Lennie Klebanoff (Hydrogen and Combustion Technologies Dept.) is confident that the book will give [...]

Sandia’s Dr. Jeffrey Tsao Is Recognized as an Asian-American Engineer of the Year

April 17th, 2013|Categories: Capabilities, Energy, Energy Efficiency, News, News & Events, Research & Capabilities, Solid-State Lighting, Systems Analysis, Systems Engineering|Tags: , , , , , , |

The 2013 Asian-American Engineer of the Year awardees. Sandia's Dr. Jeffrey Tsao is fourth from the right (standing). Dr. Tsao, a Distinguished Member of Sandia’s Technical Staff in the Semiconductor and Optical Sciences Department, is one of eight distinguished engineers upon whom this award was conferred this year by the AAEOY organization. He received this honor for, “sustained contributions to compound semiconductor materials and device science and exemplary contributions to solid-state lighting technology.” [...]

SSLS Exhibit at Explora Museum

April 14th, 2013|Categories: EC, Energy, Energy Efficiency, Events, News, News & Events, Solid-State Lighting|Tags: , , , , , , , , , , |

EFRC scientist Jeff Tsao, in conjunction with Sandian Erik Spoerke and UNM scientist Patrick Johnson, volunteered at Explora Museum over the weekend. The three scientists participated in a program event hosted by Explora called Portal to the Public, whose goal is to, "Engage in experiential activities with scientists that are your neighbors in the c0mmunity." Each scientist brought their own mobile exhibit showcasing different areas of science; Patrick's exhibit highlighted the difference between fluorescence and [...]

SPIDERS Completed Its Phase 1 Operational Demonstration in Late January

April 5th, 2013|Categories: Distribution Grid Integration, Energy Assurance, Energy Assurance, Energy Surety, Grid Integration, Infrastructure Security, Microgrid, News, News & Events, Partnership, Research & Capabilities, SMART Grid|Tags: , , , , , , , , |

The Smart Power Infrastructure Demonstration for Energy Reliability and Security (SPIDERS) Joint Capability Technology Demonstration (JCTD) completed its Phase 1 operational demonstration at Joint Base Pearl Harbor-Hickam in late January 2013. Part of the SPIDERS assessment team scrutinized controller operations, system status, and continuity of operations throughout the demonstration. Their report will focus on system effectiveness and training and contribute to the Transition Manager’s JCTD deliverables. SPIDERS IMT members discuss start up of OPS [...]

Sandia Cyber Engineering Research Laboratory (CERL) Formally Opens

April 5th, 2013|Categories: Analysis, Cyber, Cyber Engineering Research Laboratory (CERL), Facilities, Infrastructure Assurance, Infrastructure Security, News, News & Events|Tags: , , , , , , , |

Posed on open-house day are, from left, Acting VP of Science and Technology Duane Dimos, UNM research VP John McGraw, Executive VP Kim Sawyer, NNSA official Dimitri Kusnezov, Cray President Peter Ungaro, Sandia Computing Research Director Rob Leland, U.S. Senator Tom Udall, Sandia President Paul Hommert, Bernallilo county commissioner Maggie Hart Stebbins, and U.S. Representative Ben Ray Lujan. Activities at CERL, located in the Sandia Science & Technology Park, are expected to marry [...]

DHS Mulls Updates to Chemical Site Risk Assessments

April 3rd, 2013|Categories: Analysis, Facilities, Infrastructure Assurance, Infrastructure Security, Modeling, Modeling & Analysis, News, News & Events, NISAC, Research & Capabilities|Tags: , , , , , , , |

A repaired St. Bernard Parish oil refinery that was severely damaged during Hurricane Katrina. (Federal Emergency Management Agency image, 28-Aug-08) The U.S. Department of Homeland Security (DHS) is considering potential updates to its procedures for assessing risks posed by chemical facilities under a program for imposing greater security requirements on high-threat sites. DHS is collaborating with Sandia to determine how the Chemical Facility Antiterrorism Standards (CFATS) initiative might assess the financial impact of [...]

Sandia Workers Received Entrepreneurial Spirit Awards

April 3rd, 2013|Categories: Concentrating Solar Power, Energy, Facilities, National Solar Thermal Test Facility, News, News & Events, Renewable Energy, Solar, Solar Newsletter|Tags: , , , , , , , , , , |

Jim Pacheco built a reputation in concentrating solar power and was recruited by several companies when the technology took off in the marketplace. (Photo by Randy Montoya) Jim Pacheco (now in the Active Response and Denial Dept.) received an Entrepreneurial Spirit Award for his participation in Sandia's Entrepreneurial Separation to Transfer Technology (ESTT) program, which encourages researchers to take jobs at startup or expanding businesses. ESTT was started in 1994, and since then [...]

Sandia-Developed Alloy Has Potential for Electronics in Wells

April 3rd, 2013|Categories: Energy, Geothermal, Materials Science, News, News & Events, Renewable Energy, Research & Capabilities, Systems Engineering|Tags: , , , , , , , |

Sandia researcher Tom Crenshaw sets up a specimen in a test frame that will pull a solder joint apart to determine its tensile strength. He co-authored a paper that won the Best of Proceedings category in the Surface Mount Technology Association’s International 2012 Best Papers conference. (Photo by Lloyd Wilson) A few years ago, researchers asked Sandia’s geothermal group to develop electronics to monitor well conditions in field operations—withstanding high temperatures and pressures, [...]

Sandians Joshua Stein and Bruce King Published in Photovoltaics International

April 3rd, 2013|Categories: Energy, Facilities, News, News & Events, Photovoltaic, Photovoltaic Systems Evaluation Laboratory (PSEL), Renewable Energy, Solar, Solar Newsletter, Systems Analysis|Tags: , , , , , , , , , , |

Standard steps in modeling PV plant performance (from the PV Performance Modeling Collaborative). The wide variety of PV system technologies and designs, site conditions, and operations strategies means that complex PV system performance models are needed to represent PV plant performance. While PV component and system costs are rapidly falling, the upfront costs of PV (before any energy is generated) remain high. Stein & King’s (both in the Photovoltaics and Distributed Systems Dept.) [...]

Mark Boslough Featured in NOVA Special about the Chelyabinsk Meteor

April 3rd, 2013|Categories: Capabilities, Computational Modeling & Simulation, Modeling, Modeling, Modeling & Analysis, Modeling & Analysis, News, News & Events, Research & Capabilities|Tags: , , , , , , |

Scientist Mark Boslough (Discrete Mathematics and Complex Systems Dept.) was featured in NOVA’s special program ”Meteor Strike,” which aired Wednesday, March 27. The episode is about last month’s giant meteor explosion in Russia. Mark traveled to Chelyabinsk, Russia, where he performed astrometric calibrations of dashcam videos to help pinpoint the altitude and coordinates of the explosion. Sandia National Laboratories' Mark Boslough. NOVA also spent a day with him at UNM, discussing event simulations [...]