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Advanced Fuels Campaign Light Water Reactor Accident Tolerant Fuel Performance Metrics Executive Summary
Research and development (R&D) activities on advanced, higher performance Light Water Reactor (LWR) fuels have been ongoing for the last few years. Following the unfortunate March 2011 events at the Fukushima Nuclear Power Plant in Japan, the R&D shifted toward enhancing the accident tolerance of LWRs. Qualitative attributes for fuels with enhanced accident tolerance, such as improved reaction kinetics with steam resulting in slower hydrogen generation rate, provide guidance for the design and development of fuels and cladding with enhanced accident tolerance. A common set of technical metrics should be established to aid in the optimization and down selection of candidate designs on a more quantitative basis. “Metrics” describe a set of technical bases by which multiple concepts can be fairly evaluated against a common baseline and against one another. This report describes a proposed technical evaluation methodology that can be applied to evaluate the ability of each concept to meet performance and safety goals relative to the current UO2 – zirconium alloy system and relative to one another. The resultant ranked evaluation can then inform concept down-selection, such that the most promising accident tolerant fuel design option(s) can continue to be developed toward qualification.
Date:
February 1, 2014
Creator:
Bragg-Sitton, Shannon
Object Type:
Report
System:
The UNT Digital Library
Advanced Models and Controls for Prediction and Extension of Battery Lifetime
Predictive models of capacity and power fade must consider a multiplicity of degradation modes experienced by Li-ion batteries in the automotive environment. Lacking accurate models and tests, lifetime uncertainty must presently be absorbed by overdesign and excess warranty costs. To reduce these costs and extend life, degradation models are under development that predict lifetime more accurately and with less test data. The lifetime models provide engineering feedback for cell, pack and system designs and are being incorporated into real-time control strategies.
Date:
February 1, 2014
Creator:
Smith, K.; Wood, E.; Santhanagopalan, S.; Kim, G. & Pesaran, A.
Object Type:
Presentation
System:
The UNT Digital Library
Advancing Concentrating Solar Power Research (Fact Sheet)
Researchers at the National Renewable Energy Laboratory (NREL) provide scientific, engineering, and analytical expertise to help advance innovation in concentrating solar power (CSP). This fact sheet summarizes how NREL is advancing CSP research.
Date:
February 1, 2014
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
[Alexander's House]
Poster from the Turtle Creek Chorale Collection advertising the choir's production of "Alexander's House", a one-act musical which took place at the Dallas Latino Cultural Center. The poster's red background is decorated by the black silhouette of a house positioned in front of a beach.
Date:
February 2014
Creator:
Turtle Creek Chorale
Object Type:
Poster
System:
The UNT Digital Library
Analysis Of Post-Wet-Chemistry Heat Treatment Effects On Nb SRF Surface Resistance
Most of the current research in superconducting radio frequency (SRF) cavities is focused on ways to reduce the construction and operating cost of SRF-based accelerators as well as on the development of new or improved cavity processing techniques. The increase in quality factors is the result of the reduction of the surface resistance of the materials. A recent test on a 1.5 GHz single cell cavity made from ingot niobium of medium purity and heat treated at 1400 {degrees}C in a ultra-high vacuum induction furnace resulted in a residual resistance of ~ 1n{Ohm} and a quality factor at 2.0 K increasing with field up to ~ 5×10{sup}10 at a peak magnetic field of 90 mT. In this contribution, we present some results on the investigation of the origin of the extended Q{SUB 0}-increase, obtained by multiple HF rinses, oxypolishing and heat treatment of all Nb cavities.
Date:
February 1, 2014
Creator:
Dhakal, Pashupati; Ciovati, Gianluigi; Kneisel, Peter K. & Myneni, Ganapati Rao
Object Type:
Article
System:
The UNT Digital Library
APA Review: Citing Social Media and Websites
Presentation at the University of North Texas (UNT) for the research fellows from the National University of Modern Languages, Islamabad, Pakistan. This presentation discusses citing social media and websites.
Date:
February 2014
Creator:
Whitmer, Susan
Object Type:
Presentation
System:
The UNT Digital Library
An Audit Report on Performance Measures at the Texas State Board of Dental Examiners
Report of the Texas State Auditor's Office related to determining whether the Texas State Board of Dental Examiners is accurately reporting its performance measures to ABEST and has adequate controls in place over the collection, calculation, and reporting of its performance measures.
Date:
February 2014
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
An Audit Report on Selected Contracts at the Department of Criminal Justice
Report of the Texas State Auditor's Office related to determining whether the Department of Criminal Justice procured selected contracts for goods and services in accordance with various statutes, rules, and guidelines to help ensure that the State's interests were protected, and whether the Department managed and monitored selected contracts for goods and services to help ensure that contractors performed according to the terms of the contracts and that contractor billings were valid and supported.
Date:
February 2014
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
The Bastrop Advertiser (Bastrop, Tex.), Vol. 160, No. 104, Ed. 1 Saturday, February 1, 2014
Semi-weekly newspaper from Bastrop, Texas that includes local, state and national news along with advertising.
Date:
February 1, 2014
Creator:
Wright, Cyndi
Object Type:
Newspaper
System:
The Portal to Texas History
A Beginner’s Guide to Persistent Identifiers
The essay discusses specific concerns of digital humanists in hopes of bridging the gap between how library directors and digital humanities researchers think. It suggests many ways to respond to the needs of digital humanists, and creating a Digital Humanities center is appropriate in relatively few circumstances. The essay recommends that a “Digital Humanities-friendly” environment may be more effective than a Digital Humanities Center but that library culture may need to evolve in order for librarians to be seen as effective Digital Humanities partners. The authors conclude that what we call “The Digital Humanities” today will soon be considered “The Humanities.” Supporting Digital Humanities scholarship is not much different than supporting digital scholarship in any discipline. Increasingly, digital scholarship is simply scholarship.
Date:
February 2014
Creator:
Schaffner, Jennifer & Erway, Ricky
Object Type:
Book
System:
The UNT Digital Library
BP-101 (2-1-14)
Photograph of Washington Fire Department Brushpumper 101.
Date:
February 1, 2014
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Brownwood Bulletin (Brownwood, Tex.), Vol. 114, No. 94, Ed. 1 Saturday, February 1, 2014
Weekly newspaper from Brownwood, Texas that includes local, state and national news along with advertising.
Date:
February 1, 2014
Creator:
Hanrahan, Thom
Object Type:
Newspaper
System:
The Portal to Texas History
Building Partnerships to Cut Petroleum Use in Transportation (Brochure)
The U.S. Department of Energy's Clean Cities initiative advances the nation's economic, environmental, and energy security by supporting local actions to cut petroleum use in transportation. Clean Cities accomplishes this work through the activities of nearly 100 local coalitions. These coalitions provide resources and technical assistance in the deployment of alternative and renewable fuels, idle-reduction measures, fuel economy improvements, and new transportation technologies as they emerge.
Date:
February 2014
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
CALiPER Retail Lamps Study 3
The CALiPER program first began investigating LED lamps sold at retail stores in 2010, purchasing 33 products from eight retailers and covering six product categories. The findings revealed a fragmented marketplace, with large disparities in performance of different products, accuracy of manufacturer claims, and offerings from different retail outlets. Although there were some good products, looking back many would not be considered viable competitors to other available options, with too little lumen output, not high enough efficacy, or poor color quality. CALiPER took another look in late 2011purchasing 38 products of five different types from nine retailers and the improvement was marked. Performance was up; retailer claims were more accurate; and the price per lumen and price per unit efficacy were down, although the price per product had not changed much. Nonetheless, there was still plenty of room for improvement, with the performance of LED lamps not yet reaching that of well-established classes of conventional lamps (e.g., 75 W incandescent A19 lamps). Since the second retail lamp study was published in early 2012, there has been substantial progress in all aspects of LED lamps available from retailers. To document this progress, CALiPER again purchased a sample of lamps from retail …
Date:
February 1, 2014
Creator:
Royer, Michael P. & Beeson, Tracy A.
Object Type:
Report
System:
The UNT Digital Library
Cascade Apartments - Deep Energy Multifamily Retrofit , Kent, Washington (Fact Sheet)
In December of 2009-10, King County Housing Authority (KCHA) implemented energy retrofit improvements in the Cascade multifamily community, located in Kent, Washington (marine climate.)This research effort involved significant coordination from stakeholders KCHA, WA State Department of Commerce, utility Puget Sound Energy, and Cascade tenants. This report focuses on the following three primary BA research questions : 1. What are the modeled energy savings using DOE low income weatherization approved TREAT software? 2. How did the modeled energy savings compare with measured energy savings from aggregate utility billing analysis? 3. What is the Savings to Investment Ratio (SIR) of the retrofit package after considering utility window incentives and KCHA capitol improvement funding.
Date:
February 1, 2014
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
CEBAF Upgrade: Cryomodule Performance And Lessons Learned
The Thomas Jefferson National Accelerator Facility is currently engaged in the 12 GeV Upgrade Project. The goal of the 12 GeV Upgrade is a doubling of the available beam energy of the Continuous Electron Beam Accelerator Facility (CEBAF) from 6 GeV to 12 GeV. This increase in beam energy will be due in large part to the addition of ten C100 cryomodules plus associated new RF in the CEBAF linacs. The C100 cryomodules are designed to deliver 100 MeV per installed cryomodule. Each C100 cryomodule is built around a string of eight seven-cell, electro-polished, superconducting RF cavities. While an average performance of 100MV per cryomodule is needed to achieve the overall 12 GeV beam energy goal, the actual performance goal for the cryomodules is an average energy gain of 108 MV to provide operational headroom. Cryomodule production started in December 2010. All ten of the C100 cryomodules are installed in the linac tunnels and are on schedule to complete commissioning by September 2013. Performance during Commissioning has ranged from 104 MV to 118 MV. In May, 2012 a test of an early C100 achieved 108 MV with full beam loading. This paper will discuss the performance of the C100 cryomodules …
Date:
February 1, 2014
Creator:
Drury, Michael A.; Davis, G. Kirk; Hogan, John P.; Hovater, J. Curt; king@jlab.org, Lawrence; Marhauser, Frank et al.
Object Type:
Article
System:
The UNT Digital Library
Characterization and Fabrication of Spoke Cavities for High-Velocity Applications
A 500 MHz, velocity-of-light, two-spoke cavity has been designed and optimized for possible use in a compact light source. Here we present the mechanical analysis and steps taken in fabrication of this cavity at Jefferson Lab.
Date:
February 1, 2014
Creator:
Hopper, Christopher S.; Park, HyeKyoung & Delayen, Jean R.
Object Type:
Article
System:
The UNT Digital Library
Characterization Of Superconducting Samples With SIC System For Thin Film Developments: Status And Recent Results
Within any thin film development program directed towards SRF accelerating structures, there is a need for an RF characterization device that can provide information about RF properties of small samples. The current installation of the RF characterization device at Jefferson Lab is Surface Impedance Characterization (SIC) system. The data acquisition environment for the system has recently been improved to allow for automated measurement, and the system has been routinely used for characterization of bulk Nb, films of Nb on Cu, MgB$_{2}$, NbTiN, Nb$_{3}$Sn films, etc. We present some of the recent results that illustrate present capabilities and limitations of the system.
Date:
February 1, 2014
Creator:
Phillips, H. Lawrence; Reece, Charles E.; Valente-Feliciano, Anne-Marie; Xiao, Binping & Eremeev, Grigory V.
Object Type:
Article
System:
The UNT Digital Library
The Christian Chronicle (Oklahoma City, Okla.), Vol. 71, No. 2, Ed. 1 Saturday, February 1, 2014
Monthly newspaper from Oklahoma City, Oklahoma that includes news and information about the Churches of Christ along with advertising.
Date:
February 1, 2014
Creator:
Tryggestad, Erik
Object Type:
Newspaper
System:
The Portal to Texas History
Clean Energy Application Centers: Annual Metrics Report for Fiscal Year 2012
This report talks about Clean Energy Application Centers: Annual Metrics Report for Fiscal Year 2012
Date:
February 1, 2014
Creator:
Schweitzer, Martin
Object Type:
Report
System:
The UNT Digital Library
Clean Energy Manufacturing: U.S. Competitiveness and State Policy Strategies
The capital intensive nature of clean energy technologies suggests that manufacturing clean energy equipment has the potential to support state and local economic development efforts. However, manufacturing siting decisions tend to be complex and multi-variable decision processes that require in-depth knowledge of specific markets, the logistical requirements of a given technology, and insight into global clean tech trends. This presentation highlights the potential of manufacturing in supporting economic development opportunities while also providing examples of the financial considerations affecting manufacturing facility siting decisions for wind turbine blades and solar PV. The presentation also includes discussion of other more qualitative drivers of facility siting decisions as gleaned from NREL industry interviews and discusses strategies state and local policymakers may employee to bolster their chances of successfully attracting clean energy manufacturers to their localities.
Date:
February 1, 2014
Creator:
Lantz, E.
Object Type:
Presentation
System:
The UNT Digital Library
[Clipping: Adios to the man in the big hat]
An article from Buddy, a music magazine, in memoriam to Steven Fromholz who passed away on January 19, 2014 during a hunting accident. The article includes a photograph of Steven Fromholz from 2007, wearing a black suit and tie, cowboy hat and posing with his Taylor folk guitar.
Date:
February 2014
Creator:
unknown
Object Type:
Clipping
System:
The UNT Digital Library
Comparative Simulation Studies of Multipacting in Higher-Order-Mode Couplers of Superconducting RF Cavities
Multipacting (MP) in higher-order-mode (HOM) couplers of the International Linear Collider (ILC) baseline cavity and the Continuous Electron Beam Accelerator Facility (CEBAF) 12 GeV upgrade cavity is studied by using the ACE3P suites, developed by the Advanced Computations Department at SLAC. For the ILC cavity HOM coupler, the simulation results show that resonant trajectories exist in three zones, corresponding to an accelerating gradient range of 0.61.6 MV/m, 2134 MV/m, 3235 MV/m, and > 40MV/m, respectively. For the CEBAF 12 GeV upgrade cavity HOM coupler, resonant trajectories exist in one zone, corresponding to an accelerating gradient range of 613 MV/m. Potential implications of these MP barriers are discussed in the context of future high energy pulsed as well as medium energy continuous wave (CW) accelerators based on superconducting radio frequency cavities. Frequency scaling of MPs predicted in HOM couplers of the ILC, CBEAF upgrade, SNS and FLASH third harmonic cavity is given and found to be in good agreement with the analytical result based on the parallel plate model.
Date:
February 1, 2014
Creator:
Li, Y. M.; Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)]; Liu, Kexin & Geng, Rongli
Object Type:
Article
System:
The UNT Digital Library
Consequences of Criminal Convictions for Occupational Licensing
These guidelines outline the possible consequences of having a criminal conviction on your ability to obtain and hold an occupational license.
Date:
February 2014
Creator:
Texas Commission on Environmental Quality. Permitting and Registration Support Division.
Object Type:
Pamphlet
System:
The Portal to Texas History