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123 Matching Results
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The Electric Drive Advanced Battery (EDAB) Project
As energy storage system (ESS) technology advances
Date:
April 1, 2013
Creator:
Wishart, Jeff; Carlson, Barney; Chambon, Paul & Tyler
System:
The UNT Digital Library
Core-Collapse Supernovae and Host Galaxy Stellar Populations
We have used images and spectra of the Sloan Digital Sky Survey to examine the host galaxies of 519 nearby supernovae. The colors at the sites of the explosions, as well as chemical abundances, and specific star formation rates of the host galaxies provide circumstantial evidence on the origin of each supernova type. We examine separately SN II, SN IIn, SN IIb, SN Ib, SN Ic, and SN Ic with broad lines (SN Ic-BL). For host galaxies that have multiple spectroscopic fibers, we select the fiber with host radial offset most similar to that of the SN. Type Ic SN explode at small host offsets, and their hosts have exceptionally strongly star-forming, metal-rich, and dusty stellar populations near their centers. The SN Ic-BL and SN IIb explode in exceptionally blue locations, and, in our sample, we find that the host spectra for SN Ic-BL show lower average oxygen abundances than those for SN Ic. SN IIb host fiber spectra are also more metal-poor than those for SN Ib, although a significant difference exists for only one of two strong-line diagnostics. SN Ic-BL host galaxy emission lines show strong central specific star formation rates. In contrast, we find no strong evidence …
Date:
April 5, 2013
Creator:
Kelly, Patrick L.; /KIPAC, Menlo Park /SLAC; Kirshner, Robert P. & Astrophys., /Harvard-Smithsonian Ctr.
System:
The UNT Digital Library
Titanium dxy Ferromagnetism at the LaAlO3/SrTiO3 Interface
None
Date:
April 25, 2013
Creator:
Lee, J. S.; Xie, Y. W.; Sato, H. K.; Bell, C.; Hikita, Y.; Hwang, H. Y. et al.
System:
The UNT Digital Library
Cleanable and Hardcoat Coatings for Increased Durability of Silvered Polymeric Mirrors
We have successfully developed coating formulations which significantly increasethe abrasion resistance of mirror films. We have demonstrated manufacturing scale-up of these films to full width andproduction volumes. Implementation of these films in commercial test sites is planned for Q2 2013(Abengoa, Gossamer Space Frames). This slide show outlines the background and objectives of the project, technical approach and results, and key lessons. It also presents the need and opportunity for reduction of costs for CSP and collectors. It also presents an approach for a large aperture parabolic trough collector with reflective film and a high concentration factor, including demonstration and results.
Date:
April 1, 2013
Creator:
Padiyath, Raghunath
System:
The UNT Digital Library
NONLINEAR TIME-DOMAIN SOIL-STRUCTURE ANALYSIS OF EMBEDDED REACTOR STRUCTURES SUBJECTED TO EARTHQUAKE LOADS
None
Date:
April 30, 2013
Creator:
Solberg, J M & Hossain, Q
System:
The UNT Digital Library
Investigation Of Adhesion Formation In New Stainless Steel Trim Spring Operated Pressure Relief Valves
Examination of proof test data for new (not previously installed) stainless steel (SS) trim spring operated pressure relief valves (SOPRV) reveals that adhesions form between the seat and disc in about 46% of all such SOPRV. The forces needed to overcome these adhesions can be sufficiently large to cause the SOPRV to fail its proof test (FPT) prior to installation. Furthermore, a significant percentage of SOPRV which are found to FPT are also found to ''fail to open'' (FTO) meaning they would not relief excess pressure in the event of an overpressure event. The cases where adhesions result in FTO or FPT appear to be confined to SOPRV with diameters < 1 in and set pressures < 150 psig and the FTO are estimated to occur in 0.31% to 2.00% of this subpopulation of SS trim SOPRV. The reliability and safety implications of these finding for end-users who do not perform pre-installation testing of SOPRV are discussed.
Date:
April 16, 2013
Creator:
Gross, Robert E.; Bukowski, Julia V. & Goble, William M.
System:
The UNT Digital Library
Lab Days meeting poster
N/A
Date:
April 11, 2013
Creator:
S., Musolino
System:
The UNT Digital Library
Excited Heavy Quarkonium Production at the LHC Through $W$-Boson Decays
None
Date:
April 2, 2013
Creator:
Liao, Qi-Li; U., /Chongqing; Wu, Xing-Gang; /SLAC, /Chongqing U.; Jiang, Jun; Yang, Zhi et al.
System:
The UNT Digital Library
Unbound Particles in Dark Matter Halos
None
Date:
April 25, 2013
Creator:
Behroozi, Peter S.; /KIPAC, Menlo Park /Stanford U., Phys. Dept. /SLAC; Loeb, Abraham; U., /Harvard; Wechsler, Risa H. & /KIPAC, Menlo Park /Stanford U., Phys. Dept. /SLAC
System:
The UNT Digital Library
Etch pits in CdZnTe and other CdTe-based Crystals
N/A
Date:
April 1, 2013
Creator:
Hossain, A.; Bolotnikov, A. E.; Camarda, G. S.; Cui, Y.; Roy, U. N.; Yang, G. et al.
System:
The UNT Digital Library
redMaPPer I: Algorithm and SDSS DR8 Catalog
None
Date:
April 24, 2013
Creator:
Rykoff, E. S.; Rozo, E.; Busha, M. T.; Cunha, C. E.; Finoguenov, A.; Evrard, A. et al.
System:
The UNT Digital Library
The Effective Field Theory of Dark Matter Direct Detection
None
Date:
April 2, 2013
Creator:
Fitzpatrick, A.Liam; /Stanford U., ITP; Haxton, Wick; /UC, Berkeley /LBL, Berkeley; Katz, Emanuel; /Stanford U., ITP /Boston U. /SLAC et al.
System:
The UNT Digital Library
BNLs Synchrotron-radiation Research Hub for Characterizing Detection Materials and Devices for the NA22 Community
N/A
Date:
April 9, 2013
Creator:
Camarda, S. G.; Bolotnikov, A. E.; Cui, Y.; Hossain, A.; Roy, U.; Yang, G. et al.
System:
The UNT Digital Library
Exploring Hardware Overprovisioning in Power-Constrained, High Performance Computing
None
Date:
April 10, 2013
Creator:
Patki, T.; Lowenthal, D.; Rountree, B.; Schulz, M. & de Supinski, B.
System:
The UNT Digital Library
Status of the ADMX and ADMX-HF experiments
None
Date:
April 23, 2013
Creator:
Carosi, G. & van Bibber, K.
System:
The UNT Digital Library
Jet Substructure in ATLAS
None
Date:
April 24, 2013
Creator:
Miller, David W.
System:
The UNT Digital Library
Impact of Solar Control PVB Glass on Vehicle Interior Temperatures, Air-Conditioning Capacity, Fuel Consumption, and Vehicle Range
The objective of the study was to assess the impact of Saflex1 S-series Solar Control PVB (polyvinyl butyral) configurations on conventional vehicle fuel economy and electric vehicle (EV) range. The approach included outdoor vehicle thermal soak testing, RadTherm cool-down analysis, and vehicle simulations. Thermal soak tests were conducted at the National Renewable Energy Laboratory's Vehicle Testing and Integration Facility in Golden, Colorado. The test results quantified interior temperature reductions and were used to generate initial conditions for the RadTherm cool-down analysis. The RadTherm model determined the potential reduction in air-conditioning (A/C) capacity, which was used to calculate the A/C load for the vehicle simulations. The vehicle simulation tool identified the potential reduction in fuel consumption or improvement in EV range between a baseline and modified configurations for the city and highway drive cycles. The thermal analysis determined a potential 4.0% reduction in A/C power for the Saflex Solar PVB solar control configuration. The reduction in A/C power improved the vehicle range of EVs and fuel economy of conventional vehicles and plug-in hybrid electric vehicles.
Date:
April 1, 2013
Creator:
Rugh, J.; Chaney, L.; Venson, T.; Ramroth, L. & Rose, M.
System:
The UNT Digital Library
Value of Spatial Information for Determining Geothermal Well Placement
None
Date:
April 29, 2013
Creator:
Trainor-Guitton, W.; Ramirez, A.; Ziagos, J.; Mellors, R. & Roberts, J.
System:
The UNT Digital Library
Measurement of Coherent Polarons in the Strongly Coupled Antiferromagnetically Ordered Iron-Chalcogenide Fe1:02Te using Angle-Resolved Photoemission Spectroscopy
None
Date:
April 29, 2013
Creator:
Liu, Z. K.; He, R. H.; Lu, D. H.; Yi, M.; Chen, Y. L.; Hashimoto, M. et al.
System:
The UNT Digital Library
Evaluation of Superficial and Dimensional Quality Features in Metallic Micro-Channels Manufactured by Micro-End-Milling
This article focuses on a set of experiments in the micro-milling of channels made of aluminum, titanium alloys and stainless steel.
Date:
March 1, 2013
Creator:
Monroy-Vázquez, Karla P.; Attanasio, Aldo; Ceretti, Elisabetta; Siller Carrillo, Héctor Rafael; Hendrichs-Troeglen, Nicolás J. & Giardini, Claudio
System:
The UNT Digital Library
Evaluation of Anthropogenic Air Emissions from Marine Engines in a Coastal Urban Airshed of Texas
This article provides a brief description of the adopted methodology for estimating anthropogenic emission estimation of ocean going vessels and barges.
Date:
April 2, 2013
Creator:
Farooqui, Zuber M.; John, Kuruvilla & Sule, Neelesh
System:
The UNT Digital Library
The Mammary Gland Carcinogens: The Role of Metal Compounds and Organic Solvents
This article reviews the role of metal compounds and organic solvents in breast cancer development.
Date:
April 24, 2013
Creator:
Mulware, Stephen Juma
System:
The UNT Digital Library
The Mammary Gland Carcinogens: The Role of Metal Compounds and Organic Solvents
Article on mammary gland carcinogens and the role of metal compounds and organic solvents.
Date:
April 24, 2013
Creator:
Mulware, Stephen Juma
System:
The UNT Digital Library
Oxidation of Reduced Sulfur Species: Carbonyl Sulfide
Article on the oxidation of reduced sulfur species and carbonyl sulfide.
Date:
April 25, 2013
Creator:
Glarborg, Peter & Marshall, Paul
System:
The UNT Digital Library