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Publication in Ocean Engineering

December 22nd, 2015|Categories: News, Publications, Water Power|Tags: |

The Reference Model Project, supported by the US Department of Energy, provides publically available technical and economic benchmarks for a variety of marine energy converters. This program supported the following publication: D. Bull, “An improved understanding of the natural resonances of moonpools contained within floating rigid-bodies: Theory and application to oscillating water column devices,” Ocean Engineering, vol. 108, pp. 799–812, Nov. 2015. SAND2015-8229 J Abstract: The fundamental interactions between waves, a floating rigid-body, and a [...]

Phase 1 of WEC-Sim Experimental Testing Underway

December 22nd, 2015|Categories: News, Water Power|Tags: |

WEC-Sim Phase 1 testing at the Oregon State University Hinsdale Directional Wave Basin As part of the Wave Energy Converter SIMulator (WEC-Sim) project, Phase 1 of WEC-Sim experimental testing is underway at Oregon State University’s (OSU) Hinsdale Wave Research Laboratory. WEC-Sim is an open source code for modeling the rigid-body dynamics and performance of wave energy converters in the time-domain code. For more information about the WEC-Sim code, refer to the WEC-Sim website. [...]

Visit us at the American Geophysical Union (AGU) Fall Meeting, Booth#1211 | Dec 14-18th

December 10th, 2015|Categories: Climate, Conferences, Events, News, News & Events|

The AGU Fall Meeting is the largest Earth and space science meeting in the world. Now in its 48th year, AGU Fall Meeting is the best place to present your research; hear about the latest discoveries, trends, and challenges in the field; and network and make connections that can enhance your career. AGU Fall Meeting brings together the entire Earth and space science community for discussions of emerging trends and the latest research. Sandia's Energy [...]

Sandia chemists discover new pathway in mechanism of soot formation

December 7th, 2015|Categories: CRF, News, News & Events|Tags: |

Written by Michael Padilla, Sandia National Laboratories Chemists at Sandia’s Combustion Research Facility have discovered a new mechanism leading to soot formation, providing new facts to make models of soot formation more predictive, furthering DOE’s goal of reducing soot formation in practical combustion devices. “This work is important because it shows how the process of molecular weight growth that eventually leads to large carbon-rich soot precursors is not simply a path through the lowest-energy structures,” [...]

New report offers best practice for transparent contract language of PV O&M agreements

December 7th, 2015|Categories: News, News & Events, Solar|

With technical assistance from the PV industry, Sandia National Laboratories has identified both best-practice elements and gaps that must be addressed to improve communication of equipment operational states and failure modes for the benefit of all parties to a PV operations and maintenance services contract. Sandia’s new report, “A Best Practice for Developing Availability Guarantee Language in (PV) O&M Agreements,” outlines an approach for developing new language for an equipment availability guarantee that is typically [...]

Energy Across America: A Policy Discussion on Microgrid Technology

November 24th, 2015|Categories: Microgrid, News, News & Events|

The Hill will host a discussion on the future of energy delivery on Thursday, December 3rd from 8-10am. Policymakers, researchers, and technology and energy industry experts will discuss the value of microgrids in the event of a natural disaster or homeland security threat, how microgrids allow for integration of alternative energy sources, and what policy and regulatory reforms are necessary to facilitate the integration of microgrids into the larger power supply system. Sandia's Charlie Hanley, Manager of Grid [...]

Sandia’s Katrina Groth and Ethan Hecht win inaugural Robert Schefer Best Paper award

November 20th, 2015|Categories: CRF, News, News & Events|Tags: , , , , |

Sandia’s Katrina Groth and Ethan Hecht win inaugural Robert Schefer Best Paper award In October, Sandia National Laboratories scientists Katrina Groth and Ethan Hecht were recognized at the IA-HySafe International Conference on Hydrogen Safety (ICHS) with the inaugural Robert Schefer Best Paper award. The award honors the late Robert Schefer, formerly a researcher at Sandia’s Combustion Research Facility, for his contributions to characterization and understanding of the hydrogen behavior when unintentionally released at conditions relevant [...]

Sandia’s Energy & Climate Program wins R&D 100 awards

November 19th, 2015|Categories: Energy, Highlights - Energy Research, News, News & Events, Office of Science, Partnership|Tags: |

The annual R&D 100 Awards, also dubbed the “Oscars of Invention,” celebrate the world’s best applied technology resulting from research and development by industry, academia, and government-sponsored entities. Once again, Sandia National Laboratories has earned its place on the list of winners, this year with 3 of its 5 awards (see below) related to Energy and Climate. R&D 100 Awards signify and support the value of our Energy and Climate mission by recognizing the applications of [...]

Investigations on Anti-biofouling Zwitterionic Coatings for MHK Is Now in Press

November 13th, 2015|Categories: Analysis, Capabilities, Energy, News, News & Events, Renewable Energy, Research & Capabilities, Water Power|Tags: , , , , , , , , , |

Sandia’s Marine Hydrokinetic (MHK) Advanced Materials program has a new publication on the antifouling efficacy of zwiterionic coatings. These polymeric coatings contain no metal and have both positive and negative chemical charges as part of their molecular structure. The coating was investigated in response to finding environmentally friendly materials for MHK devices by the Sandia-UNM Advanced Materials Laboratory and North Dakota State University. The research was published in Biofouling: The Journal of Bioadhesion and Biofilm [...]

Sandia Develops Stochastic Production Cost Model Simulator for Electric Power Systems

November 13th, 2015|Categories: Analysis, Capabilities, Computational Modeling & Simulation, DETL, Distribution Grid Integration, Energy, Facilities, Grid Integration, Modeling, Modeling, Modeling & Analysis, Modeling & Analysis, News, News & Events, Photovoltaic, Renewable Energy, Research & Capabilities, Solar, Solar Newsletter, SunShot, Systems Analysis|Tags: , , , , , , , , , , |

Sandia has developed a software toolkit that uses stochastic programming to perform power system production cost model simulations. Named PRESCIENT, the software produces probabilistic forecasts automatically from deterministic historical forecasts for load, solar, and/or wind power production and their respective actuals, using a technology known as epi-splines. An example of a probablistic solar forecast produced with PRESCIENT. The software also generates probabilistic scenarios that are fed into the stochastic unit commitment engine. This [...]

New CREW Database Receives First Set of Data

November 13th, 2015|Categories: Analysis, Capabilities, Computational Modeling & Simulation, Energy, News, News & Events, Partnership, Renewable Energy, Research & Capabilities, Systems Analysis, Wind Energy, Wind News|Tags: , , , , , , , , , |

The CREW public benchmark represents analysis of US wind fleet performance based on aggregated fleet reliability data. Sandia’s Continuous Reliability Enhancement for Wind (CREW) project has received its first large set of data, which reassessed its data-collection efforts to target wind-farm owner/operators that have in-house reliability data collection tools. After a lengthy negotiation process, a nondisclosure agreement (NDA) was signed and executed with a CREW data provider. NDAs are essential for this type [...]

Aerodynamic Wind-Turbine Blade Design for the National Rotor Testbed

November 13th, 2015|Categories: Analysis, Capabilities, Computational Modeling & Simulation, Energy, Facilities, Modeling, Modeling, Modeling & Analysis, Modeling & Analysis, News, News & Events, Renewable Energy, Research & Capabilities, SWIFT, Systems Analysis, Wind Energy, Wind News|Tags: , , , , , , |

The NRT blade shape as viewed from the tip and at an elevation angle of 30° above the suction surface. Sandia has designed a new wind-turbine blade for the National Rotor Testbed (NRT) project and for future experiments at the Scaled Wind Farm Technology (SWiFT) facility with a specific focus on scaled wakes. The new blades can produce a wake that has similitude to utility scale blades (of a 1.5 MW machine) despite [...]

Sandia Research to Be Featured on Upcoming Cover of Journal of Physical Chemistry B

November 11th, 2015|Categories: Analysis, Biofuels, Biomass, Capabilities, Energy, Facilities, Fuel Options, Highlights - Energy Research, JBEI, News, News & Events, Office of Science, Partnership, Renewable Energy, Research & Capabilities, Transportation Energy|Tags: , , , , , , , , |

Several Sandia Joint BioEnergy Institute (JBEI) researchers, in collaboration with others in Kentucky and India, have published, “Theoretical insights into the role of water in the dissolution of cellulose using IL/water mixed solvent systems,” which the editors selected for Journal of Physical Chemistry B’s Nov. 12th issue cover. The continued reliance of the global transportation energy sector on nonrenewable fossil fuels is a major challenge to sustainability, due to concerns related to carbon emissions and dependence [...]

JBEI Featured in Chemical & Engineering News Cover Article

November 11th, 2015|Categories: Analysis, Biofuels, Biomass, Capabilities, Energy, Facilities, Fuel Options, Highlights - Energy Research, JBEI, News, News & Events, Office of Science, Partnership, Renewable Energy, Research & Capabilities, Transportation Energy|Tags: , , , , , , , , , , , , , , |

Researchers at the Joint BioEnergy Institute (JBEI) are working to transform biomass into energy-rich fuel molecules. Headquartered in Emeryville, California, the Joint BioEnergy Institute (JBEI) is now a member of the elite “100/ 500 Club,” having filed its 100th patent application and published its 500th scientific paper. (Photo by Roy Kaltschmidt) The Chemical & Engineering News article profiles JBEI after it recently filed its 100th patent application and published its 500th paper. Administered [...]

CRF Experiment Confirms Accepted Oxidation Scheme of Proposed Diesel Alternative: Dimethyl Ether

November 11th, 2015|Categories: Analysis, Capabilities, CRF, Energy, Facilities, Fuel Options, Highlights - Energy Research, News, News & Events, Research & Capabilities, Sensing, Sensors & Optical Diagnostics, Transportation Energy|Tags: , , , , , , , , , , , , , , , , , , , |

Combustion Research Facility (CRF) researchers Kai Moshammer, Ahren Jasper, Arnas Lucassen, Arkke Eskola, Craig Taatjes, and Nils Hansen (all in Sandia’s Combustion Chemistry Dept.) as part of an international collaboration reported, in Journal of Physical Chemistry A, detecting and identifying previously undiscovered partially oxidized intermediates. This work provides experimental confirmation of the generally accepted dimethyl ether (DME) oxidation scheme at low temperature (~540 K, 267 ˚C). DME is a lower-soot-and-emissions alternative to Diesel fuel. Especially significant was [...]

4th PV Performance Modeling and Monitoring Workshop in Cologne, Germany, October 22-23, 2015

November 10th, 2015|Categories: Modeling, News, Photovoltaic, Solar, Workshops|Tags: , , , |

Approximately 220 solar energy experts from over 30 countries and four continents gathered for two days at the headquarters of TÜV Rheinland in Cologne Germany to discuss and share results related to predicting the performance and monitoring the output from solar photovoltaic (PV) systems. The workshop was divided into six topical sessions exploring advances in the areas of solar resource assessment, effects of irradiance spectrum on PV performance, soiling losses, bifacial PV performance, modeling tools, [...]

Sandia’s Carol Adkins Named University of New Mexico Distinguished Alumna

October 30th, 2015|Categories: Customers & Partners, EC, Energy, News, News & Events, Partnership, Renewable Energy, Research & Capabilities, Staff|Tags: , , , , , , , , , |

On October 15th, Carol Adkins (Director of Sandia’s Energy Technologies & Systems Solutions Center, Program Area Director for Renewable Systems & Energy Infrastructure), was honored, as one of seven distinguished University of New Mexico (UNM) alumni recognized this year, for her significant impact on UNM’s School of Engineering. The award is the school’s highest recognition for outstanding lifetime achievement. Sandia’s Carol Adkins was named a distinguished alumna by the University of New Mexico’s School of [...]

Sandia-Developed LED Pulser Delivers Laser-Like Performance at Fraction of the Cost

October 29th, 2015|Categories: Analysis, Capabilities, CRF, Energy, Facilities, Highlights - Energy Research, News, News & Events, Research & Capabilities, Sensors & Optical Diagnostics, Systems Analysis|Tags: , , , , , , , , |

The high-brightness, rapidly pulsed, multicolor light-emitting diode (LED) driver delivers lighting performance that exceeds that of conventional (laser/arc-light) sources for scientific, industrial, or commercial uses at a fraction of the cost. “I had the idea a few years ago to see if high-powered multicolored LEDs could be pulsed rapidly by an electronic circuit to produce very short light pulses similar to that of a 10-nanosecond pulsed laser or even down to one nanosecond depending on [...]

Sandia Assists NASA in Understanding Launch-Area Accidents

October 29th, 2015|Categories: Analysis, Capabilities, Energy, Highlights - Energy Research, News, News & Events, Nuclear Energy, Systems Analysis|Tags: , , , , , , , , , , , , , |

Curiosity’s multi-mission radioisotope thermoelectric generator on Mars. Some NASA spacecraft, those which operate on the surface of other planets or are too far from the sun, require the use of radioisotope power systems (fueled with plutonium dioxide) to produce electricity and heat. In the unlikely event of an early launch accident, these DOE-provided power systems could encounter hot conditions beneath solid propellant fires with the potential to release the nuclear fuel into the [...]