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Analysis of NSTX Upgrade OH Magnet and Center Stack (open access)

Analysis of NSTX Upgrade OH Magnet and Center Stack

The new ohmic heating (OH) coil and center stack for the National Spherical Torus Experiment (NSTX) upgrade are required to meet cooling and structural requirements for operation at the enhanced 1 Tesla toroidal field and 2 MA plasma current. The OH coil is designed to be cooled in the time between discharges by water flowing in the center of the coil conductor. We performed resistive heating and thermal hydraulic analyses to optimize coolant channel size to keep the coil temperature below 100 C and meet the required 20 minute cooling time. Coupled electromagnetic, thermal and structural FEA analyses were performed to determine if the OH coil meets the requirements of the structural design criteria. Structural response of the OH coil to its self-field and the field from other coils was analyzed. A model was developed to analyze the thermal and electromagnetic interaction of centerstack components such as the OH coil, TF inner legs and the Bellville washer preload mechanism. Torsional loads from the TF interaction with the OH and poloidal fields are transferred through the TF flag extensions via a torque transfer coupling to the rest of the tokamak structure. A 3D FEA analysis was performed to qualify this design. …
Date: November 30, 2010
Creator: A. Zolfaghari, P. Titus, J. Chrzanowski, A. Salehzadeh, F. Dahlgren
Object Type: Article
System: The UNT Digital Library
Building America Industrialized Housing Partnership (BAIHP II) (open access)

Building America Industrialized Housing Partnership (BAIHP II)

This report summarizes the work conducted by the Building America Industrialized Housing Partnership (BAIHP - www.baihp.org) during the final budget period (BP5) of our contract, January 1, 2010 to November 30, 2010. Highlights from the four previous budget periods are included for context. BAIHP is led by the Florida Solar Energy Center (FSEC) of the University of Central Florida. With over 50 Industry Partners including factory and site builders, work in BP5 was performed in six tasks areas: Building America System Research Management, Documentation and Technical Support; System Performance Evaluations; Prototype House Evaluations; Initial Community Scale Evaluations; Project Closeout, Final Review of BA Communities; and Other Research Activities.
Date: November 30, 2010
Creator: Abernethy, Bob; Chandra, Subrato; Baden, Steven; Cummings, Jim; Cummings, Jamie; Beal, David et al.
Object Type: Report
System: The UNT Digital Library
A Plasma Lens for Magnetron Sputtering (open access)

A Plasma Lens for Magnetron Sputtering

A plasma lens, consisting of a solenoid and potential-defining ring electrodes, has been placed between a magnetron and substrates to be coated. Photography reveals qualitative information on excitation, ionization, and the transport of plasma to the substrate.
Date: November 30, 2010
Creator: Anders, Andre & Brown, Jeff
Object Type: Article
System: The UNT Digital Library
Hollow Plasma in a Solenoid (open access)

Hollow Plasma in a Solenoid

A ring cathode for a pulsed, high-current, multi-spot cathodic arc discharge was placed inside a pulsed magnetic solenoid. Photography is used to evaluate the plasma distribution. The plasma appears hollow for cathode positions close the center of the solenoid, and it is guided closer to the axis when the cathode is away from the center.
Date: November 30, 2010
Creator: Anders, Andre; Kauffeldt, Marina; Oks, Efim M. & Roy, Prabir K.
Object Type: Article
System: The UNT Digital Library
LIFE: The Case for Early Commercialization of Fusion Energy (open access)

LIFE: The Case for Early Commercialization of Fusion Energy

This paper presents the case for early commercialization of laser inertial fusion energy (LIFE). Results taken from systems modeling of the US electrical generating enterprise quantify the benefits of fusion energy in terms of carbon emission, nuclear waste and plutonium production avoidance. Sensitivity of benefits-gained to timing of market-entry is presented. These results show the importance of achieving market entry in the 2030 time frame. Economic modeling results show that fusion energy can be competitive with other low-carbon energy sources. The paper concludes with a description of the LIFE commercialization path. It proposes constructing a demonstration facility capable of continuous fusion operations within 10 to 15 years. This facility will qualify the processes and materials needed for a commercial fusion power plant.
Date: November 30, 2010
Creator: Anklam, Thomas; Simon, Aaron J.; Powers, Sarah & Meier, Wayne R.
Object Type: Article
System: The UNT Digital Library
Sexual Violence in African Conflicts (open access)

Sexual Violence in African Conflicts

This report covers the issue of sexual violence in the midst of civil conflict in African nations. Civilians in Africa's conflict zones are often vulnerable to sexual violence, including rape, mutilation, and sexual slavery. This violence is carried out by government security forces and non-state actors, including, rebel groups, militias, and criminal organizations. Some abuses appear to be opportunistic, or the product of a larger breakdown in the rule of law and social order that may occur amid conflict.
Date: November 30, 2010
Creator: Arieff, Alexis
Object Type: Report
System: The UNT Digital Library
International Criminal Court Cases in Africa: Status and Policy Issues (open access)

International Criminal Court Cases in Africa: Status and Policy Issues

This report provides background on current International Criminal Court (ICC) cases and examines issues raised by the ICC's actions in Africa, including the potential deterrence of future abuses and the potential impact on African peace processes.
Date: November 30, 2010
Creator: Arieff, Alexis; Margesson, Rhoda; Browne, Marjorie Ann & Weed, Matthew C.
Object Type: Report
System: The UNT Digital Library
Collaborative Proposal: DUSEL R&D at the Kimballton Underground Facility (ICP-MS Confirmation, Material Assay, and Radon Reduction) (open access)

Collaborative Proposal: DUSEL R&D at the Kimballton Underground Facility (ICP-MS Confirmation, Material Assay, and Radon Reduction)

Experiments measuring rare events, such as neutrinoless double beta (0{nu}{beta}{beta}) decay, and those searching for, or measuring very weakly interacting particles, such as low energy solar neutrino experiments or direct dark matter searches, require ever lower backgrounds; particularly those from radioactive contamination of detector materials. The underground physics community strives to identify and develop materials with radioactive contamination at permissible levels, and to remove radioactive contaminants from materials, but each such material represents a separate dedicated research and development effort. This project attempted to help these research communities by expanding the capabilities in the United States, for indentifying low levels of radioactive contamination in detector materials through gamma ray spectroscopy. Additionally the project tried to make a cross comparison between well established gamma ray spectroscopy techniques for identifying radioactive contaminations and Inductively Coupled Plasma Mass Spectroscopy, which is a relatively new method for searching for uranium and thorium in materials. The project also studied the removal of radioactive radon gas for laboratory air, which showed that an inexpensive technologically simple radon scrubber can potentially be used for homes or businesses with high radon levels even after the employment of other mitigation techniques.
Date: November 30, 2010
Creator: Back, Henning O.
Object Type: Report
System: The UNT Digital Library
Nuclear Power 2010 Program Dominion Virginia Power Cooperative Project U.S. Department of Energy Cooperative Agreement DE-FC07-05ID14635 Construction and Operating License Demonstration Project Final Report (open access)

Nuclear Power 2010 Program Dominion Virginia Power Cooperative Project U.S. Department of Energy Cooperative Agreement DE-FC07-05ID14635 Construction and Operating License Demonstration Project Final Report

This report serves to summarize the major activities completed as part of Virginia Electric and Power Company's North Anna construction and operating license demonstration project with DOE. Project successes, lessons learned, and suggestions for improvement are discussed. Objectives of the North Anna COL project included preparation and submittal of a COLA to the USNRC incorporating ESBWR technology for a third unit a the North Anna Power Station site, support for the NRC review process and mandatory hearing, obtaining NRC approval of the COLA and issuance of a COL, and development of a business case necessary to support a decision on building a new nuclear power plant at the North Anna site.
Date: November 30, 2010
Creator: Batalo, Eugene S. Grecheck David P.
Object Type: Report
System: The UNT Digital Library
Perry Daily Journal (Perry, Okla.), Vol. 118, No. 229, Ed. 1 Tuesday, November 30, 2010 (open access)

Perry Daily Journal (Perry, Okla.), Vol. 118, No. 229, Ed. 1 Tuesday, November 30, 2010

Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date: November 30, 2010
Creator: Brown, Gloria
Object Type: Newspaper
System: The Gateway to Oklahoma History
Asian Carp and the Great Lakes Region (open access)

Asian Carp and the Great Lakes Region

This report discusses four species of non-indigenous Asian carp that are expanding their range in U.S. waterways, resulting in a variety of concerns and problems. Three species--bighead, silver, and black carp--are of particular note, based on the perceived degree of environmental concern. Current controversy relates to what measures might be necessary and sufficient to prevent movement of Asian carp from the Mississippi River drainage into the Great Lakes through the Chicago Area Waterway System. Bills have been introduced in the 111th Congress to direct actions to avoid the possibility of carp becoming established in the Great Lakes.
Date: November 30, 2010
Creator: Buck, Eugene H.; Upton, Harold F.; Stern, Charles V. & Nichols, James E.
Object Type: Report
System: The UNT Digital Library
The Altus Times (Altus, Okla.), Vol. 112, No. 256, Ed. 1 Tuesday, November 30, 2010 (open access)

The Altus Times (Altus, Okla.), Vol. 112, No. 256, Ed. 1 Tuesday, November 30, 2010

Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date: November 30, 2010
Creator: Bush, Michael
Object Type: Newspaper
System: The Gateway to Oklahoma History
UC Merced Center for Computational Biology Final Report (open access)

UC Merced Center for Computational Biology Final Report

Final report for the UC Merced Center for Computational Biology. The Center for Computational Biology (CCB) was established to support multidisciplinary scientific research and academic programs in computational biology at the new University of California campus in Merced. In 2003, the growing gap between biology research and education was documented in a report from the National Academy of Sciences, Bio2010 Transforming Undergraduate Education for Future Research Biologists. We believed that a new type of biological sciences undergraduate and graduate programs that emphasized biological concepts and considered biology as an information science would have a dramatic impact in enabling the transformation of biology. UC Merced as newest UC campus and the first new U.S. research university of the 21st century was ideally suited to adopt an alternate strategy - to create a new Biological Sciences majors and graduate group that incorporated the strong computational and mathematical vision articulated in the Bio2010 report. CCB aimed to leverage this strong commitment at UC Merced to develop a new educational program based on the principle of biology as a quantitative, model-driven science. Also we expected that the center would be enable the dissemination of computational biology course materials to other university and feeder institutions, …
Date: November 30, 2010
Creator: Colvin, Michael & Watanabe, Masakatsu
Object Type: Report
System: The UNT Digital Library
TIMELY DELIVERY OF LASER INERTIAL FUSION ENERGY (LIFE) (open access)

TIMELY DELIVERY OF LASER INERTIAL FUSION ENERGY (LIFE)

The National Ignition Facility (NIF), the world's largest and most energetic laser system, is now operational at Lawrence Livermore National Laboratory. A key goal of the NIF is to demonstrate fusion ignition for the first time in the laboratory. Its flexibility allows multiple target designs (both indirect and direct drive) to be fielded, offering substantial scope for optimization of a robust target design. In this paper we discuss an approach to generating gigawatt levels of electrical power from a laser-driven source of fusion neutrons based on these demonstration experiments. This 'LIFE' concept enables rapid time-to-market for a commercial power plant, assuming success with ignition and a technology demonstration program that links directly to a facility design and construction project. The LIFE design makes use of recent advances in diode-pumped, solid-state laser technology. It adopts the paradigm of Line Replaceable Units utilized on the NIF to provide high levels of availability and maintainability and mitigate the need for advanced materials development. A demonstration LIFE plant based on these design principles is described, along with the areas of technology development required prior to plant construction. A goal-oriented, evidence-based approach has been proposed to allow LIFE power plant rollout on a time scale …
Date: November 30, 2010
Creator: Dunne, A M
Object Type: Article
System: The UNT Digital Library
High-Efficiency Non-Polar GaN-Based LEDs (open access)

High-Efficiency Non-Polar GaN-Based LEDs

Inlustra Technologies with subcontractor U.C. Santa Barbara conducted a project with the principle goal of demonstrating high internal quantum efficiency blue (430 nm) and green (540nm) light emitting diodes (LEDs) on low-defect density non-polar GaN wafers. Inlustra pursued the fabrication of smooth thick a-plane and m-plane GaN films, as well as defect reduction techniques such as lateral epitaxial overgrowth (LEO) to uniformly lower dislocation density in these films. Limited free-standing wafers were produced as well. By the end of the reporting period, Inlustra had met its milestone of dislocation reduction to < 5 x 10{sup 6} cm{sup -2}. Stacking faults were still present in appreciable density ({approx} 1 x 10{sup 5} cm{sup -1}), but were not the primary focus of defect reduction since there have been no published studies establishing their detrimental effects on LED performance. Inlustra's LEO progress built a solid foundation upon which further commercial development of GaN substrates will occur. UCSB encountered multiple delays in its LED growth and fabrication efforts due to unavoidable facilities outages imposed by ongoing construction in an area adjacent to the metalorganic chemical vapor deposition (MOCVD) laboratory. This, combined with the large amount of ab initio optimization required for the MOCVD system …
Date: November 30, 2010
Creator: Fini, Paul
Object Type: Report
System: The UNT Digital Library
Oral History Interview with F. Duane Flink, November 30, 2010 transcript

Oral History Interview with F. Duane Flink, November 30, 2010

The National Museum of the Pacific War presents an oral interview with F. Duane Flink. Flink joined the Navy as an aviation cadet in 1943. The program had enough candidates at that time, so he was sent to boot camp in Great Lakes, Illinois. Flink describes life in boot camp. He was then sent to submarine school in New London, Connecticut and describes the training he received and training that was conducted on O-boats. Flink was then sent to California where he joined the crew of the USS Pelias (AS-14) for the remainder of the war. He served as a cook and seaman. Flink was discharged in May of 1946.
Date: November 30, 2010
Creator: Flink, F. Duane
Object Type: Sound
System: The Portal to Texas History
Oral History Interview with F. Duane Flink, November 30, 2010 (open access)

Oral History Interview with F. Duane Flink, November 30, 2010

The National Museum of the Pacific War presents an oral interview with F. Duane Flink. Flink joined the Navy as an aviation cadet in 1943. The program had enough candidates at that time, so he was sent to boot camp in Great Lakes, Illinois. Flink describes life in boot camp. He was then sent to submarine school in New London, Connecticut and describes the training he received and training that was conducted on O-boats. Flink was then sent to California where he joined the crew of the USS Pelias (AS-14) for the remainder of the war. He served as a cook and seaman. Flink was discharged in May of 1946.
Date: November 30, 2010
Creator: Flink, F. Duane
Object Type: Text
System: The Portal to Texas History
Carbon Sequestration Monitoring Activities (open access)

Carbon Sequestration Monitoring Activities

In its 'Carbon Sequestration Technology Roadmap and Program Plan 2007' the U.S. Department of Energy (DOE)'s Office of Fossil Energy National Energy Technology Laboratory (NETL) identified as a major objective extended field tests to fully characterize potential carbon dioxide (CO{sub 2}) storage sites and to demonstrate the long-term storage of sequestered carbon (p. 5). Among the challenges in this area are 'improved understanding of CO{sub 2} flow and trapping within the reservoir and the development and deployment of technologies such as simulation models and monitoring systems' (p. 20). The University of Wyoming (UW), following consultations with the NETL, the Wyoming State Geological Survey, and the Governor's office, identified potential for geologic sequestration of impure carbon dioxide (CO{sub 2}) in deep reservoirs of the Moxa Arch. The Moxa Arch is a 120-mile long north-south trending anticline plunging beneath the Wyoming Thrust Belt on the north and bounded on the south by the Uinta Mountains. Several oil and gas fields along the Moxa Arch contain accumulations of natural CO{sub 2}. The largest of these is the La Barge Platform, which encompasses approximately 800 square miles. Several formations may be suitable for storage of impure CO{sub 2} gas, foremost among them the Madison …
Date: November 30, 2010
Creator: Frost, Carol
Object Type: Report
System: The UNT Digital Library
PUBLIC AND REGULATORY ACCEPTANCE OF BLENDING OF RADIOACTIVE WASTE VS DILUTION (open access)

PUBLIC AND REGULATORY ACCEPTANCE OF BLENDING OF RADIOACTIVE WASTE VS DILUTION

On April 21, 2009, the Energy Facilities Contractors Group (EFCOG) Waste Management Working Group (WMWG) provided a recommendation to the Department of Energy's Environmental Management program (DOE-EM) concerning supplemental guidance on blending methodologies to use to classify waste forms to determine if the waste form meets the definition of Transuranic (TRU) Waste or can be classified as Low-Level Waste (LLW). The guidance provides specific examples and methods to allow DOE and its Contractors to properly classify waste forms while reducing the generation of TRU wastes. TRU wastes are much more expensive to characterize at the generator's facilities, ship, and then dispose at the Waste Isolation Pilot Plant (WIPP) than Low-Level Radioactive Waste's disposal. Also the reduction of handling and packaging of LLW is inherently less hazardous to the nuclear workforce. Therefore, it is important to perform the characterization properly, but in a manner that minimizes the generation of TRU wastes if at all possible. In fact, the generation of additional volumes of radioactive wastes under the ARRA programs, this recommendation should improve the cost effective implementation of DOE requirements while properly protecting human health and the environment. This paper will describe how the message of appropriate, less expensive, less hazardous …
Date: November 30, 2010
Creator: Goldston, W.
Object Type: Article
System: The UNT Digital Library
The Brand (Abilene, Tex.), Vol. 99, No. 8, Ed. 1 Tuesday, November 30, 2010 (open access)

The Brand (Abilene, Tex.), Vol. 99, No. 8, Ed. 1 Tuesday, November 30, 2010

Bi-weekly student newspaper from Hardin-Simmons University in Abilene, Texas that includes campus news and local news of interest to students along with advertising.
Date: November 30, 2010
Creator: Hahne, Elyse
Object Type: Newspaper
System: The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 90, No. 238, Ed. 1 Tuesday, November 30, 2010 (open access)

The Baytown Sun (Baytown, Tex.), Vol. 90, No. 238, Ed. 1 Tuesday, November 30, 2010

Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date: November 30, 2010
Creator: Halter Gray, Janie
Object Type: Newspaper
System: The Portal to Texas History
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 96, No. 55, Ed. 1 Tuesday, November 30, 2010 (open access)

Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 96, No. 55, Ed. 1 Tuesday, November 30, 2010

Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date: November 30, 2010
Creator: Harmon, C. L.
Object Type: Newspaper
System: The Gateway to Oklahoma History
Rains County Leader (Emory, Tex.), Vol. 124, No. 25, Ed. 1 Tuesday, November 30, 2010 (open access)

Rains County Leader (Emory, Tex.), Vol. 124, No. 25, Ed. 1 Tuesday, November 30, 2010

Weekly newspaper from Emory, Texas that includes local, state, and national news along with advertising.
Date: November 30, 2010
Creator: Hill, Earl Clyde, Jr.
Object Type: Newspaper
System: The Portal to Texas History
The Swisher County News (Tulia, Tex.), Vol. 2, No. 46, Ed. 1 Tuesday, November 30, 2010 (open access)

The Swisher County News (Tulia, Tex.), Vol. 2, No. 46, Ed. 1 Tuesday, November 30, 2010

Weekly newspaper from Tulia, Texas that includes local, state, and national news along with extensive advertising.
Date: November 30, 2010
Creator: Hooten, Patsy
Object Type: Newspaper
System: The Portal to Texas History