UNT Libraries Government Documents Department - 403 Matching Results

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open access

Analysis of NSTX Upgrade OH Magnet and Center Stack

Description: 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 … more
Date: November 30, 2010
Creator: A. Zolfaghari, P. Titus, J. Chrzanowski, A. Salehzadeh, F. Dahlgren
open access

Building America Industrialized Housing Partnership (BAIHP II)

Description: 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: … more
Date: November 30, 2010
Creator: Abernethy, Bob; Chandra, Subrato; Baden, Steven; Cummings, Jim; Cummings, Jamie; Beal, David et al.
open access

Envisioning an Ecologically Sustainable Campus At New England College

Description: Appropriation funding for our project Ecologically Sustainable Campus - New England College (NH). 67.09. supported five environmental initiatives: (1) a wood pellet boiler for our Science Building, (2) solar hot water panels and systems for five campus buildings, (3) campus-wide energy lighting efficiency project, (4) new efficiency boiler system in Colby Residence Hall, and (5) energy efficient lighting system for the new artificial athletic turf field. (1) New England College purchased and in… more
Date: September 30, 2010
Creator: Amato, Paula & Palmer, Gregory
open access

A Plasma Lens for Magnetron Sputtering

Description: 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
open access

Dense Metal Plasma in a Solenoid for Ion Beam Neutralization

Description: Space-charge neutralization is required to compress and focus a pulsed, high-current ion beam on a target for warm dense matter physics or heavy ion fusion experiments. We described approaches to produce dense plasma in and near the final focusing solenoid through which the ion beam travels, thereby providing an opportunity for the beam to acquire the necessary space-charge compensating electrons. Among the options are plasma injection from pulsed vacuum arc sources located outside the solenoid… more
Date: October 30, 2010
Creator: Anders, Andre; Kauffeldt, Marina; Oks, Efim M. & Roy, Prabir K.
open access

Hollow Plasma in a Solenoid

Description: 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.
open access

LIFE: The Case for Early Commercialization of Fusion Energy

Description: 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 … more
Date: November 30, 2010
Creator: Anklam, Thomas; Simon, Aaron J.; Powers, Sarah & Meier, Wayne R.
open access

Integrated Advanced Energy Systems Research at IIT

Description: This report consists of Two research projects; Sustainable Buildings and Hydrogen Storage. Sustainable Building Part includes: Wind and the self powered built environment by professor P. Land and his research group and experimental and computational works by professor D. Rempfer and his research group. Hydrogen Storage part includes: Hydrogen Storage Using Mg-Mixed Metal Hydrides by professor H. Arastoopour and his research team and Carbon Nanostructure as Hydrogen Storage Material by professor… more
Date: September 30, 2010
Creator: Arastoopour, Hamid
open access

American Recovery and Reinvestment Act (ARRA) FEMP Technical Assistance Federal Aviation Administration – Project 209 Control Tower and Support Building, Reno, Nevada

Description: Pacific Northwest National Laboratory (PNNL) and Redhorse Corporation (Redhorse) conducted an energy audit on the Federal Aviation Administration (FAA) control tower and base building in Reno, Nevada. This report presents the findings of the energy audit team that evaluated construction documents and operating specifications (at the 100% level) and completed a site visit. The focus of the review was to identify measures that could be incorporated into the final design and operating specificatio… more
Date: June 30, 2010
Creator: Arends, J. & Sandusky, William F.
open access

American Recovery and Reinvestment Act Federal Energy Management Program Technical Assistance Project 184 U.S. Customs and Border Protection Laboratory, Houston, Texas

Description: This report documents the findings of an on-site energy audit of the U.S. Customs and Border Protection (CBP) Laboratory in Houston, Texas. The focus of the audit was to identify various no-cost and low-cost energy efficiency opportunities that, once implemented, would reduce electricity and gas consumption and increase the operational efficiency of the building. This audit also provided an opportunity to identify potential capital cost projects that should be considered in the future to acquir… more
Date: September 30, 2010
Creator: Arends, J. & Sandusky, William F.
open access

American Recovery and Reinvestment Act, Federal Energy Management Program, Technical Assistance Project 228 - US Army Installation Management Command - Pacific Region, Honolulu, Hawaii

Description: This report documents the activities of a resource efficiency manager that served the US Army Installation Management Command - Pacific Region during the period November 23, 2009 and August 31, 2010.
Date: September 30, 2010
Creator: Arends, J. & Sandusky, William F.
open access

Sexual Violence in African Conflicts

Description: 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 am… more
Date: November 30, 2010
Creator: Arieff, Alexis
open access

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

Description: 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 radi… more
Date: November 30, 2010
Creator: Back, Henning O.
open access

Building America Best Practices Series: Volume 7.1: Guide to Determining Climate Regions by County

Description: This report for DOE's Building America program helps builders identify which Building America climate region they are building in. The guide includes maps comparing the Building America regions with climate designations used in the International Energy Conservation Code for Residential Buildings and lists all U.S. counties by climate zone. A very brief history of the development of the Building America climate map and descriptions of each climate zone are provided. This report is available on t… more
Date: August 30, 2010
Creator: Baechler, Michael C.; Williamson, Jennifer L.; Gilbride, Theresa L.; Cole, Pamala C.; Hefty, Marye G. & Love, Pat M.
open access

A Testbed of Parallel Kernels for Computer Science Research

Description: For several decades, computer scientists have sought guidance on how to evolve architectures, languages, and programming models for optimal performance, efficiency, and productivity. Unfortunately, this guidance is most often taken from the existing software/hardware ecosystem. Architects attempt to provide micro-architectural solutions to improve performance on fixed binaries. Researchers tweak compilers to improve code generation for existing architectures and implementations, and they may in… more
Date: April 30, 2010
Creator: Bailey, David; Demmel, James; Ibrahim, Khaled; Kaiser, Alex; Koniges, Alice; Madduri, Kamesh et al.
open access

2010 Thin Film & Small Scale Mechanical Behavior Gordon Research Conference

Description: Over the past decades, it has been well established that the mechanical behavior of materials changes when they are confined geometrically at least in one dimension to small scale. It is the aim of the 2010 Gordon Conference on 'Thin Film and Small Scale Mechanical Behavior' to discuss cutting-edge research on elastic, plastic and time-dependent deformation as well as degradation mechanisms like fracture, fatigue and wear at small scales. As in the past, the conference will benefit from contrib… more
Date: July 30, 2010
Creator: Balk, Dr. Thomas
open access

Threshold Studies of the Microwave Instability in Electron Storage Rings

Description: We use a Vlasov-Fokker-Planck program and a linearized Vlasov solver to study the microwave instability threshold of impedance models: (1) a Q = 1 resonator and (2) shielded coherent synchrotron radiation (CSR), and find the results of the two programs agree well. For shielded CSR we show that only two dimensionless parameters, the shielding parameter {Pi} and the strength parameter S{sub csr}, are needed to describe the system. We further show that there is a strong instability associated with… more
Date: July 30, 2010
Creator: Bane, K. L. F.; Cai, Y. & Stupakov, G.
open access

Impact of solid-phase crystallization of amorphous silicon on the chemical structure of the buried Si/ZnO thin film solar cell interface

Description: The chemical interface structure between phosphorus-doped hydrogenated amorphous silicon and aluminum-doped zinc oxide thin films is investigated with soft x-ray emission spectroscopy (XES) before and after solid-phase crystallization (SPC) at 600C. In addition to the expected SPC-induced phase transition from amorphous to polycrystalline silicon, our XES data indicates a pronounced chemical interaction at the buried Si/ZnO interface. In particular, we find an SPC-enhanced formation of Si-O bon… more
Date: April 30, 2010
Creator: Bar, M.; Wimmer, M.; Wilks, R. G.; Roczen, M.; Gerlach, D.; Ruske, F. et al.
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