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4 kW Test of Solid Oxide Electrolysis Stacks with Advanced Electrode-Supported Cells
A new test stand has been developed at the Idaho National Laboratory for multi-kW testing of solid oxide electrolysis stacks. This test stand will initially be operated at the 4 KW scale. The 4 kW tests will include two 60-cell stacks operating in parallel in a single hot zone. The stacks are internally manifolded with an inverted-U flow pattern and an active area of 100 cm2 per cell. Process gases to and from the two stacks are distributed from common inlet/outlet tubing using a custom base manifold unit that also serves as the bottom current collector plate. The solid oxide cells incorporate a negative-electrode-supported multi-layer design with nickel-zirconia cermet negative electrodes, thin-film yttria-stabilized zirconia electrolytes, and multi-layer lanthanum ferrite-based positive electrodes. Treated metallic interconnects with integral flow channels separate the cells and electrode gases. Sealing is accomplished with compliant mica-glass seals. A spring-loaded test fixture is used for mechanical stack compression. Due to the power level and the large number of cells in the hot zone, process gas flow rates are high and heat recuperation is required to preheat the cold inlet gases upstream of the furnace. Heat recuperation is achieved by means of two inconel tube-in-tube counter-flow heat exchangers. …
Date:
June 1, 2012
Creator:
O'Brien, J. E.; Zhang, X.; Housley, G. K.; Moore-McAteer, L. & Tao, G.
Object Type:
Article
System:
The UNT Digital Library
A 4 to 0.1 nm FEL Based on the SLAC Linac
The author show that using existing electron gun technology and a high energy linac like the one at SLAC, it is possible to build a Free Electron Laser operating around the 4 nm water window. A modest improvement in the gun performance would further allow to extend the FEL to the 0.1 nm region. Such a system would produce radiation with a brightness many order of magnitude above that of any synchrotron radiation source, existing or under construction, with laser power in the multigawatt region and subpicosecond pulse length.
Date:
June 5, 2012
Creator:
Pellegrini, C.
Object Type:
Article
System:
The UNT Digital Library
10 Questions: About Pregnancy and HIV
This pamphlet provides information on why pregnant women need to get tested for HIV.
Date:
June 2011
Creator:
Texas Consortium for Perinatal HIV Prevention
Object Type:
Pamphlet
System:
The Portal to Texas History
14-plex Feasibility Report
The Native Village of Unalakleet project was a feasibility study for a retrofit of a “tribally owned” three story, 14 apartment complex located in Unalakleet, Alaska. The program objective and overall goal was to create a plan for retrofitting to include current appraised value and comparable costs of new construction to determine genuine feasibility as low-income multi-family housing for tribal members.
Date:
June 21, 2013
Creator:
Kotongan, Victoria Hazel
Object Type:
Report
System:
The UNT Digital Library
100% DD Energy Model Update
The Miami Science Museum energy model has been used during DD to test the buildingâs potential for energy savings as measured by ASHRAE 90.1-2007 Appendix G. This standard compares the designed buildingâs yearly energy cost with that of a code-compliant building. The building is currently on track show 20% or better improvement over the ASHRAE 90.1-2007 Appendix G baseline; this performance would ensure minimum compliance with both LEED 2.2 and current Florida Energy Code, which both reference a less strict version of ASHRAE 90.1. In addition to being an exercise in energy code compliance, the energy model has been used as a design tool to show the relative performance benefit of individual energy conservation measures (ECMs). These ECMs are areas where the design team has improved upon code-minimum design paths to improve the energy performance of the building. By adding ECMs one a time to a code-compliant baseline building, the current analysis identifies which ECMs are most effective in helping the building meet its energy performance goals.
Date:
June 30, 2011
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
200% Efficient Singlet Fission Observed (Fact Sheet)
NREL scientists confirm the first molecular compound designed specifically to exhibit exciton multiplication.
Date:
June 1, 2011
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
324 Building Baseline Radiological Characterization
This report documents the analysis of radiological data collected as part of the characterization study performed in 1998. The study was performed to create a baseline of the radiological conditions in the 324 Building.
Date:
June 24, 2010
Creator:
R.J. Reeder, J.C. Cooper
Object Type:
Report
System:
The UNT Digital Library
618-10 Burial Ground Trench Remediation and 618-10 and 618-11 Burial Ground Nonintrusive Characterization of Vertical Pipe Units Lessons Learned
A “lessons learned” is a noteworthy practice or innovative approach that is captured and shared to promote repeat application, or an adverse work practice/experience that is captured and shared to avoid reoccurrence. This document provides the lessons learned identified by the 618-10 Burial Ground trench remediation and the 618-10 and 618-11 Burial Ground nonintrusive characterization of the vertical pipe units (VPUs).
Date:
June 28, 2012
Creator:
Darby, J. W.
Object Type:
Report
System:
The UNT Digital Library
2008 Fuel Cell Technologies Market Report
Fuel cells are electrochemical devices that combine hydrogen and oxygen to produce electricity, water, and heat. Unlike batteries, fuel cells continuously generate electricity, as long as a source of fuel is supplied. Moreover, fuel cells do not burn fuel, making the process quiet, pollution-free and two to three times more efficient than combustion. Fuel cell systems can be a truly zero-emission source of electricity, if the hydrogen is produced from non-polluting sources. Global concerns about climate change, energy security, and air pollution are driving demand for fuel cell technology. More than 630 companies and laboratories in the United States are investing $1 billion a year in fuel cells or fuel cell component technologies. This report provides an overview of trends in the fuel cell industry and markets, including product shipments, market development, and corporate performance. It also provides snapshots of select fuel cell companies, including general business strategy and market focus, as well as, financial information for select publicly-traded companies.
Date:
June 1, 2010
Creator:
United States. Department of Energy.
Object Type:
Report
System:
The UNT Digital Library
2009 LANL radionuclide air emissions report
The emissions of radionuclides from Department of Energy Facilities such as Los Alamos National Laboratory (LANL) are regulated by the Amendments to the Clean Air Act of 1990, National Emissions Standards for Hazardous Air Pollutants (40 CFR 61 Subpart H). These regulations established an annual dose limit of 10 mrem to the maximally exposed member of the public attributable to emissions of radionuclides. This document describes the emissions of radionuclides from LANL and the dose calculations resulting from these emissions for calendar year 2009. This report meets the reporting requirements established in the regulations.
Date:
June 1, 2010
Creator:
Fuehne, David P.
Object Type:
Report
System:
The UNT Digital Library
2010 CELL AND MOLECULAR FUNGAL BIOLOGY GORDON RESEARCH CONFERENCE, JUNE 13-18, 2010
The Cellular and Molecular Fungal Biology Conference provides a forum for presentation of the latest advances in fungal research with an emphasis on filamentous fungi. This open-registration scientific meeting brings together the leading scientists from academia, government and industry to discuss current research results and future directions at Holderness School, an outstanding venue for scientific interaction. A key objective of the conference is to foster interaction among scientists working on model fungi such as Saccharomyces cerevisiae, Schizosaccharomyces pombe, Neurospora crassa and Aspergillus nidulans and scientists working on a variety of filamentous fungi whose laboratory tractability is often inversely proportional to their medical, industrial or ecological importance. Sessions will be devoted to Systems Biology, Fungi and Cellulosic Biomass, Small RNAs, Population Genomics, Symbioses, Pathogenesis, Membrane Trafficking and Polarity, and Cytoskeleton and Motors. A session will also be devoted to hot topics picked from abstracts. The CMFB conference provides a unique opportunity to examine the breadth of fungal biology in a small meeting format that encourages in-depth discussion among the attendees.
Date:
June 18, 2010
Creator:
Momany, Michelle
Object Type:
Article
System:
The UNT Digital Library
2010 CORRELATED ELECTRON SYSTEMS GORDON RESEARCH CONFERENCE, JUNE 13-18, 2010 For
The 2010 Gordon Conference on Correlated Electron Systems will present cutting-edge research on emergent properties arising from strong electronic correlations. The Conference will feature a wide range of topics, such as the role of topology in condensed matter systems, quantum Hall interferometry and non-Abelian statistics, quantum criticality, metal-insulator transition, quantum effects in conductivity, Dirac quasiparticles, and superconductivity in cuprates and pnictides. In addition, we are reserving two sessions for new developments in this field that may arise in the coming year. The Conference will bring together a collection of investigators who are at the forefront of their field, and will provide opportunities for junior scientists and graduate students to present their work in poster format and exchange ideas with leaders in the field. We intend to have talks by established leaders in the field and also by young researchers who have made seminal contributions to various aspects of correlated electron physics, The collegial atmosphere of this Conference, with programmed discussion sessions as well as opportunities for informal gatherings in the afternoons and evenings, provides an avenue for scientists from different disciplines to brainstorm and promotes cross-disciplinary collaborations in the various research areas represented.
Date:
June 18, 2010
Creator:
Basov, Dmitri
Object Type:
Article
System:
The UNT Digital Library
2010 Fuel Cell Technologies Market Report, June 2011
This report summarizes 2010 data on fuel cells, including market penetration and industry trends. It also covers cost, price, and performance trends, along with policy and market drivers and the future outlook for fuel cells.
Date:
June 1, 2011
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
2010 Idaho National Laboratory Water Use Report and Comprehensive Well Inventory (Revision 19)
This 2010 Idaho National Laboratory Water Use Report and Comprehensive Well Inventory (Revision 19) provides water use information (monthly annual average and total annual volume) for production and potable water wells at the Idaho National Laboratory for Calendar Year 2010. It also provides detailed information for new, modified, and abandoned (decommissioned) wells and holes. Five new wells were drilled and completed in the latter part of Calendar Years 2009 and 2010. Two wells were modified in Calendar Year 2010 and 66 wells and boreholes reported as abandoned (decommissioned). Detailed construction information for the new and modified wells, along with abandonment information for older wells, is provided. Location maps are provided if survey information was available. This report is being submitted in accordance with the Water Rights Agreement between the State of Idaho and the United States, for the United States Department of Energy (dated 1990) and the subsequent Partial Decree for Water Right 34-10901 issued June 20, 2003.
Date:
June 1, 2011
Creator:
Lewis, Mike
Object Type:
Report
System:
The UNT Digital Library
2010 INORGANIC CHEMISTRY GORDON RESEARCH CONFERENCE JUNE 20 - 25, 2010
The Inorganic Chemistry GRC is one of the longest-standing of the GRCs, originating in 1951. Over the years, this conference has played a role in spawning many other GRCs in specialized fields, due to the involvement of elements from most of the periodic table. These include coordination, organometallic, main group, f-element, and solid state chemistries; materials science, catalysis, computational chemistry, nanotechnology, bioinorganic, environmental, and biomedical sciences just to name a few. The 2010 Inorganic Chemistry GRC will continue this tradition, where scientists at all levels from academic, industrial, and national laboratories meet to define the important problems in the field and to highlight emerging opportunities through exchange of ideas and discussion of unpublished results. Invited speakers will present on a wide variety of topics, giving attendees a look at areas both inside and outside of their specialized areas of interest. In addition to invited speakers, the poster sessions at GRCs are a key feature of the conference. All conferees at the Inorganic Chemistry GRC are invited to present a poster on their work, and here the informal setting promotes the free exchange of ideas and fosters new relationships. As in previous years, we will offer poster presenters the opportunity to …
Date:
June 25, 2010
Creator:
LOCKEMEYER, JOHN
Object Type:
Article
System:
The UNT Digital Library
2010 IRON-SULFUR ENZYMES GORDON RESEARCH CONFERENCE, JUNE 6-11, 2010
Iron-sulfur (FeS) centers are essential for biology and inspirational in chemistry. These protein cofactors are broadly defined as active sites in which Fe is coordinated by S-donor ligands, often in combination with extra non-protein components, for example, additional metal atoms such as Mo and Ni, and soft ligands such as CN{sup -} and CO. Iron-sulfur centers are inherently air sensitive: they are found in essentially all organisms and it is possible that they were integral components of the earliest forms of life, well before oxygen (O{sub 2}) appeared. Proteins containing FeS cofactors perform a variety of biological functions ranging across electron transfer, acid-base catalysis, and sensing where they are agents for cell regulation through transcription (DNA) or translation (RNA). They are redox catalysts for radical-based reactions and the activation of H{sub 2}, N{sub 2} and CO{sub 2}, processes that offer scientific and economic challenges for industry. Iron-sulfur centers provide the focus for fundamental investigations of chemical bonding, spectroscopy and paramagnetism, and their functions have numerous implications for health and medicine and applications for technology, including renewable energy. The 2010 Iron-Sulfur Enzymes GRC will bring together researchers from different disciplines for in-depth discussions and presentations of the latest developments. There will …
Date:
June 11, 2010
Creator:
Gray, Nancy Ryan
Object Type:
Article
System:
The UNT Digital Library
2010 LANL radionuclide air emissions report /
The emissions of radionuclides from Department of Energy Facilities such as Los Alamos National Laboratory (LANL) are regulated by the Amendments to the Clean Air Act of 1990, National Emissions Standards for Hazardous Air Pollutants (40 CFR 61 Subpart H). These regulations established an annual dose limit of 10 mrem to the maximally exposed member of the public attributable to emissions of radionuclides. This document describes the emissions of radionuclides from LANL and the dose calculations resulting from these emissions for calendar year 2010. This report meets the reporting requirements established in the regulations.
Date:
June 1, 2011
Creator:
Fuehne, David P.
Object Type:
Report
System:
The UNT Digital Library
2010 MULTIPHOTON PROCESSES GORDON RESEARCH CONFERENCE, JUNE 6-11, 2010, TILTON, NH
The Gordon Research Conference on Multiphoton Processes will be held for the 15th time in 2010. The meeting continues to evolve as it embraces both the rapid technological and intellectual growth in the field as well as the multi-disciplinary expertise of the participants. This time the sessions will focus on: (1) Ultrafast coherent control; (2) Free-electron laser experiments and theory; (3) Generation of harmonics and attosecond pulses; (4) Ultrafast imaging; (5) Applications of very high intensity laser fields; (6) Strong-field processes in molecules and solids; (7) Attosecond science; and (8) Controlling light. The scientific program will blur traditional disciplinary boundaries as the presenters and discussion leaders involve chemists, physicists, and optical engineers, representing both experiment and theory. The broad range of expertise and different perspectives of attendees should provide a stimulating and unique environment for solving problems and developing new ideas in this rapidly evolving field.
Date:
June 11, 2010
Creator:
Gaarde, Mette
Object Type:
Article
System:
The UNT Digital Library
2010 Neutron Review: ORNL Neutron Sciences Progress Report
During 2010, the Neutron Sciences Directorate focused on producing world-class science, while supporting the needs of the scientific community. As the instrument, sample environment, and data analysis tools at High Flux Isotope Reactor (HFIR ) and Spallation Neutron Source (SNS) have grown over the last year, so has promising neutron scattering research. This was an exciting year in science, technology, and operations. Some topics discussed are: (1) HFIR and SNS Experiments Take Gordon Battelle Awards for Scientific Discovery - Battelle Memorial Institute presented the inaugural Gordon Battelle Prizes for scientific discovery and technology impact in 2010. Battelle awards the prizes to recognize the most significant advancements at national laboratories that it manages or co-manages. (2) Discovery of Element 117 - As part of an international team of scientists from Russia and the United States, HFIR staff played a pivotal role in the discovery by generating the berkelium used to produce the new element. A total of six atoms of ''ununseptium'' were detected in a two-year campaign employing HFIR and the Radiochemical Engineering Development Center at Oak Ridge National Laboratory (ORNL) and the heavy-ion accelerator capabilities at the Joint Institute for Nuclear Research in Dubna, Russia. The discovery of the new …
Date:
June 1, 2011
Creator:
Bardoel, Agatha A; Counce, Deborah Melinda; Ekkebus, Allen E; Horak, Charlie M; Nagler, Stephen E & Kszos, Lynn A
Object Type:
Report
System:
The UNT Digital Library
The 2010 Oil Spill: Criminal Liability Under Wildlife Laws
In April 2010 an explosion occurred on an oil rig in the Gulf of Mexico, reportedly killing 11 people, and, according to federal experts, causing the worst oil spill in U.S. history. Millions of barrels of oil are believed to have leaked into the Gulf of Mexico. As the oil spreads, the implications for harm to wildlife grow. The United States has many laws that protect wildlife from harm. This report discusses three: the Endangered Species Act, the Marine Mammal Protection Act, and the Migratory Bird Treaty Act.
Date:
June 28, 2010
Creator:
Alexander, Kristina
Object Type:
Report
System:
The UNT Digital Library
The 2010 Oil Spill: The Minerals Management Service (MMS) and the National Environmental Policy Act (NEPA)
This report will review environmental procedures after an exploratory oil well in the Gulf of Mexico exploded, killing 11 people and causing an oil spill.
Date:
June 4, 2010
Creator:
Alexander, Kristina
Object Type:
Report
System:
The UNT Digital Library
2010 Vehicle Technologies Market Report
In the past five years, vehicle technologies have advanced on a number of fronts: power-train systems have become more energy efficient, materials have become more lightweight, fuels are burned more cleanly, and new hybrid electric systems reduce the need for traditional petroleum-fueled propulsion. This report documents the trends in market drivers, new vehicles, and component suppliers. This report is supported by the U.S. Department of Energy s (DOE s) Vehicle Technologies Program, which develops energy-efficient and environmentally friendly transportation technologies that will reduce use of petroleum in the United States. The long-term aim is to develop "leap frog" technologies that will provide Americans with greater freedom of mobility and energy security, while lowering costs and reducing impacts on the environment.
Date:
June 1, 2011
Creator:
Ward, Jacob; Davis, Stacy Cagle & Diegel, Susan W
Object Type:
Report
System:
The UNT Digital Library
2010 Wind Technologies Market Report
This report describes the status of the U.S. wind energy industry market in 2010; its trends, performance, market drivers and future outlook.
Date:
June 1, 2011
Creator:
Wiser, R. & Bolinger, M.
Object Type:
Report
System:
The UNT Digital Library
2010 Wind Technologies Market Report
The U.S. wind power industry experienced a trying year in 2010, with a significant reduction in new builds compared to both 2008 and 2009. The delayed impact of the global financial crisis, relatively low natural gas and wholesale electricity prices, and slumping overall demand for energy countered the ongoing availability of existing federal and state incentives for wind energy deployment. The fact that these same drivers did not impact capacity additions in 2009 can be explained, in part, by the 'inertia' in capital-intensive infrastructure investments: 2009 capacity additions were largely determined by decisions made prior to the economy-wide financial crisis that was at its peak in late 2008 and early 2009, whereas decisions on 2010 capacity additions were often made at the height of the financial crisis. Cumulative wind power capacity still grew by a healthy 15% in 2010, however, and most expectations are for moderately higher wind power capacity additions in 2011 than witnessed in 2010, though those additions are also expected to remain below the 2009 high.
Date:
June 27, 2011
Creator:
Wiser, Ryan; Bolinger, Mark; Barbose, Galen; Darghouth, Naïm; Hoen, Ben; Mills, Andrew et al.
Object Type:
Report
System:
The UNT Digital Library