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25 Year Lifetime for Flexible Buildings Integrated Photovoltaics
Although preliminary proof-of-principle of the efficacy of barrier materials and processes, first developed by Battelle at PNNL and commercialized by Vitex, has been demonstrated at the laboratory scale, there are several challenges to the practical commercial implementation of these developments in the Buildings Integrated Photovoltaics (BIPV) market. Two important issues that are addressed in this project are identifying a low cost substrate material that can survive in the outside environment (rain, heat, dust, hail, etc.) for 25 years and developing an encapsulation method for the photovoltaic (PV) cells that can meet the required barrier performance without driving the cost of the total barrier package out of range (remaining below $3.00/Wp). Without these solutions, current encapsulation technologies will limit the use of PV for BIPV applications. Flexible, light-weight packaging that can withstand 25 years in the field is required for a totally flexible integrated PV package. The benefit of this research is to make substantial progress in the development of a cost-effective, viable thin film barrier package which will be a critical enabling technology to meet the Solar America Initiative cost and device reliability goals, and to make photovoltaics (PV) more cost-competitive with electricity generated using fossil fuels. Increased PV installations …
Date:
July 10, 2010
Creator:
Gross, Mark E.
Object Type:
Report
System:
The UNT Digital Library
317/319 Phytoremediation site monitoring report - 2009 growing season : final report.
In 1999, Argonne National Laboratory (Argonne) designed and installed a series of engineered plantings consisting of a vegetative cover system and approximately 800 hybrid poplars and willows rooting at various predetermined depths. The plants were installed using various methods including Applied Natural Science's TreeWell{reg_sign} system. The goal of the installation was to protect downgradient surface and groundwater by intercepting the contaminated groundwater with the tree roots, removing moisture from the upgradient soil area, reducing water infiltration, preventing soil erosion, degrading and/or transpiring the residual volatile organic compounds (VOCs), and removing tritium from the subsoil and groundwater. This report presents the results of the monitoring activities conducted by Argonne's Energy Systems (ES) Division in the growing season of 2009. Monitoring of the planted trees began soon after the trees were installed in 1999 and has been conducted every summer since then. As the trees grew and consolidated their growth into the contaminated soil and groundwater, their exposure to the contaminants was progressively shown through tissue sampling. During the 2009 sampling campaign, VOC concentrations found in the French Drain area were in general consistent with or slightly lower than the 2008 results. Additionally, closely repeated, stand wide analyses showed contaminant fluctuations that …
Date:
February 10, 2010
Creator:
Negri, C .N.; Benda, P. L.; Gopalakrishnan, G. & Systems, Energy
Object Type:
Report
System:
The UNT Digital Library
4w Thomson Scattering Probe for High-density Measurements at Titan
None
Date:
May 10, 2010
Creator:
Ross, J. S.; Kline, J. L.; Yang, S.; Henesian, M.; Weiland, T.; Price, D. et al.
Object Type:
Article
System:
The UNT Digital Library
Ab initio Based Modeling of Radiation Effects in Multi-Component Alloys: Final Scientific/Technical Report
The project began March 13, 2006, allocated for three years, and received a one year extension from March 13, 2009 to March 12, 2010. It has now completed 48 of 48 total months. The project was focused on using ab initio methods to gain insights into radiation induced segregation (RIS) in Ni-Fe-Cr alloys. The project had the following key accomplishments • Development of a large database of ab initio energetics that can be used by many researchers in the future for increased understanding of this system. For example, we have the first calculations showing a dramatic stabilization effect of Cr-Cr interstitial dumbbells in Ni. • Prediction of both vacancy and interstitial diffusion constants for Ni-Cr and Ni-Fe for dilute Cr and Fe. This work included generalization of widely used multifrequency models to make use of ab initio derived energetics and thermodynamics. • Prediction of qualitative trends of RIS from vacancy and interstitial mechanisms, suggesting the two types of defect fluxes drive Cr RIS in opposite directions. • Detailed kinetic Monte Carlo modeling of diffusion by vacancy mechanism in Ni-Cr as a function of Cr concentration. The results demonstrate that Cr content can have a significant effect on RIS. • Development …
Date:
June 10, 2010
Creator:
Morgan, Dane
Object Type:
Report
System:
The UNT Digital Library
Advances in Modeling Exploding Bridgewire Initiation
There is great interest in applying magnetohydrodynamic (MHD) simulation techniques to the designs of electrical high explosive (HE) initiators, for the purpose of better understanding a design's sensitivities, optimizing its performance, and/or predicting its useful lifetime. Two MHD-capable LLNL codes, CALE and ALE3D, are being used to simulate the process of ohmic heating, vaporization, and plasma formation in exploding bridgewires (EBW). Initiation of the HE is simulated using Ignition & Growth reactive flow models. 1-D, 2-D and 3-D models have been constructed and studied. The models provide some intuitive explanation of the initiation process and are useful for evaluating the potential impact of identified aging mechanisms (such as the growth of intermetallic compounds or powder sintering). The end product of this work is a simulation capability for evaluating margin in proposed, modified or aged initiation system designs.
Date:
March 10, 2010
Creator:
Hrousis, C A & Christensen, J S
Object Type:
Article
System:
The UNT Digital Library
The AIG Rescue, Its Impact on Markets, and the Government's Exit Strategy
June report of the U.S. Congressional Oversight Panel describing their activities and findings regarding the impact of the 2007-2008 financial crisis on American International Group (AIG) and the subsequent rescue of the firm by the financial assistance received from the federal government.
Date:
June 10, 2010
Creator:
United States. Congressional Oversight Panel.
Object Type:
Report
System:
The UNT Digital Library
Aircraft Field Exercise to Develop Multi-Spectral and Infrared Imaging for CTBT On-Site Inspections
None
Date:
September 10, 2010
Creator:
Henderson, J. R.; Smith, M. O. & Zelinski, M. E.
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 135, No. 3, Ed. 1 Thursday, June 10, 2010
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
June 10, 2010
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Altus Times (Altus, Okla.), Vol. 112, No. 25, Ed. 1 Sunday, January 10, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 10, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 47, Ed. 1 Wednesday, February 10, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 10, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 67, Ed. 1 Wednesday, March 10, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 10, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 133, Ed. 1 Thursday, June 10, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 10, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 176, Ed. 1 Tuesday, August 10, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 10, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 199, Ed. 1 Friday, September 10, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 10, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 220, Ed. 1 Sunday, October 10, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 10, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 242, Ed. 1 Wednesday, November 10, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 10, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 264, Ed. 1 Friday, December 10, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 10, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Ammonia Absorption Technologies Development for Air Conditioning, Heat Pumping and Refrigeration
The project management task under the project was completed and related to the development of a plan for the implementation of the project and is thus not relevant to final report. For this reason it is not included.
Date:
March 10, 2010
Creator:
Rocky Research
Object Type:
Report
System:
The UNT Digital Library
Application of Parallel Discrete Event Simulation to the Space Surveillance Network
None
Date:
September 10, 2010
Creator:
Jefferson, D R & Leek, J
Object Type:
Article
System:
The UNT Digital Library
Archer County News (Archer City, Tex.), No. 23, Ed. 1 Thursday, June 10, 2010
Weekly newspaper from Archer City, Texas that includes local, state, and national news along with advertising.
Date:
June 10, 2010
Creator:
Lewis, Shelley
Object Type:
Newspaper
System:
The Portal to Texas History
Assessment of the Potential for Hydrogen Generation During Deactivation and Decommissioning of Reactor Vessels at the Savannah River Site
The R- and P-reactor vessels at the Savannah River Site (SRS) are being prepared for deactivation and decommissioning (D&D). D&D activities will consist primarily of physically isolating and stabilizing the reactor vessel by filling it with a grout material. The reactor vessels contain aluminum alloy materials, which pose a concern in that aluminum corrodes rapidly when it comes in contact with the alkaline grout. A product of the corrosion reaction is hydrogen gas and therefore potential flammability issues were assessed. A model was developed to calculate the hydrogen generation rate as the reactor is being filled with the grout material. Three options existed for the type of grout material for D&D of the reactor vessels. The grout formulation options included ceramicrete (pH 6-8), a calcium aluminate sulfate (CAS) based cement (pH 10), or Portland cement grout (pH 12.4). Corrosion data for aluminum in concrete were utilized as input for the model. The calculations considered such factors as the surface area of the aluminum components, the open cross-sectional area of the reactor vessel, the rate at which the grout is added to the reactor vessel, and temperature. Given the hydrogen generation rate, the hydrogen concentration in the vapor space of the …
Date:
November 10, 2010
Creator:
Wiersma, B.; Serrato, M. & Langton, C.
Object Type:
Article
System:
The UNT Digital Library
Axions from cosmic string and wall decay
If inflation occurred with a reheat temperature > T{sub PQ}, axions from the decay of global axion strings and domain walls would make an important contribution to the cosmological energy density, comparable to that from vacuum misalignment. Several groups have numerically studied the evolution of axion strings and walls in the past, however substantial uncertainties remain in their contribution to the present density {Omega}{sub a,string+wall} {approx} 1-100 (f{sub a}/10{sup 12} GeV){sup 7/6}, where f{sub a} is the axion decay constant. I will describe the numerical methods used in our simulations and show results for several string and wall configurations.
Date:
March 10, 2010
Creator:
Hagmann, C A
Object Type:
Article
System:
The UNT Digital Library
The Bastrop Advertiser (Bastrop, Tex.), Vol. 157, No. 12, Ed. 1 Saturday, April 10, 2010
Semi-weekly newspaper from Bastrop, Texas that includes local, state and national news along with advertising.
Date:
April 10, 2010
Creator:
Wright, Cyndi
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 90, No. 29, Ed. 1 Wednesday, February 10, 2010
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
February 10, 2010
Creator:
Clements, Clifford E.
Object Type:
Newspaper
System:
The Portal to Texas History