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5,035 Matching Results
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Observed Temperature Effects on Hourly Residential Electric LoadReduction in Response to an Experimental Critical Peak PricingTariff
The goal of this investigation was to characterize themanual and automated response of residential customers to high-price"critical" events dispatched under critical peak pricing tariffs testedin the 2003-2004 California Statewide Pricing Pilot. The 15-monthexperimental tariff gave customers a discounted two-price time-of-userate on 430 days in exchange for 27 critical days, during which the peakperiod price (2 p.m. to 7 p.m.) was increased to about three times thenormal time-of-use peak price. We calculated response by five-degreetemperature bins as the difference between peak usage on normal andcritical weekdays. Results indicatedthat manual response to criticalperiods reached -0.23 kW per home (-13 percent) in hot weather(95-104.9oF), -0.03 kW per home (-4 percent) in mild weather (60-94.9oF),and -0.07 kW per home (-9 percent) during cold weather (50-59.9oF).Separately, we analyzed response enhanced by programmable communicatingthermostats in high-use homes with air-conditioning. Between 90oF and94.9oF, the response of this group reached -0.56 kW per home (-25percent) for five-hour critical periods and -0.89 kW/home (-41 percent)for two-hour critical periods.
Date:
November 14, 2005
Creator:
Herter, Karen B.; McAuliffe, Patrick K. & Rosenfeld, Arthur H.
Object Type:
Article
System:
The UNT Digital Library
THERMODYNAMICS OF TWO-FLAVOR LATTICE QCD WITH AN IMPROVED WILSON QUARK ACTION AT NON-ZERO TEMPERATURE AND DENSITY.
The authors report the current status of the systematic studies of the QCD thermodynamics by lattice QCD simulations with two flavors of improved Wilson quarks. They evaluate the critical temperature of two flavor QCD in the chiral limit at zero chemical potential and show the preliminary result. Also they discuss fluctuations at none-zero temperature and density by calculating the quark number and isospin susceptibilities and their derivatives with respect to chemical potential.
Date:
November 14, 2006
Creator:
Maezawa, Y.; Aoki, S.; Ejiri, S.; Hatsuda, T.; Ishii, N.; Kanaya, K. et al.
Object Type:
Article
System:
The UNT Digital Library
Photophysics of Two-dimensional Semiconductor Nanoparticle/Liquid Interfaces
These studies have investigated the optical properties of two very different types of two-dimensional semiconductor nanoclusters and superlattices of these nanoclusters.
Date:
November 14, 2003
Creator:
Kelley, David F.
Object Type:
Report
System:
The UNT Digital Library
Mass Modelling of Dwarf Spheroidal Galaxies: the Effect of Unbound Stars From Tidal Tails And the Milky Way
We study the origin and properties of the population of unbound stars in the kinematic samples of dwarf spheroidal galaxies. For this purpose we have run a high resolution N- body simulation of a two-component dwarf galaxy orbiting in a Milky Way potential. In agreement with the tidal stirring scenario of Mayer et al., the dwarf is placed on a highly eccentric orbit, its initial stellar component is in the form of an exponential disk and it has a NFW-like dark matter halo. After 10 Gyrs of evolution the dwarf produces a spheroidal stellar component and is strongly tidally stripped so that mass follows light and the stars are on almost isotropic orbits. From this final state, we create mock kinematic data sets for 200 stars by observing the dwarf in different directions.We find that when the dwarf is observed along the tidal tails the kinematic samples are strongly contaminated by unbound stars from the tails.We also study another source of possible contamination by adding stars from the Milky Way. We demonstrate that most of the unbound stars can be removed by the method of interloper rejection proposed by den Hartog & Katgert and recently tested on simulated dark matter …
Date:
November 14, 2006
Creator:
Klimentowski, Jaroslaw; Lokas, Ewa L.; Kazantzidis, Stelios; Prada, Francisco; Mayer, Lucio & Mamon, Gary A.
Object Type:
Article
System:
The UNT Digital Library
Estimating the Benefits of Government-Sponsored Energy R&D: Synthesis of Conference Discussions
In 2001, a National Research Council (NRC) committee conducted a retrospective study of the benefits of some of the energy efficiency and fossil energy programs in the U.S. Department of Energy (DOE). As part of its study, the NRC committee developed a methodological framework for estimating these benefits. Following the NRC report, a conference was organized by Oak Ridge National Laboratory to discuss ways of adapting and refining the NRC framework for possible use by DOE offices to help plan and manage their R&D. This report is a synthesis of the discussions at the conference.
Date:
November 14, 2003
Creator:
Lee, R.
Object Type:
Report
System:
The UNT Digital Library
Water and Energy Savings using Demand Hot Water Recirculating Systems in Residential Homes: A Case Study of Five Homes in Palo Alto, California
This report summarizes a preliminary study aimed at estimating the potential of saving potable water, (and the electrical energy used to heat it), that is presently lost directly to the drain while occupants wait for hot water to arrive at the faucet (point of use). Data were collected from five single-family homes in Palo Alto, California. Despite the small sample size in this study, the results make a compelling case for retrofitting homes with hot water recirculation systems to eliminate unnecessary wastage of water at the point of use. Technical as well as behavioral and attitudinal changes towards water conservation are necessary for a fulfilling and successful conservation effort. This report focuses on the technical issues, but behavioral issues are also noted, which may be factored into future studies involving local and state governments and utility companies.
Date:
November 14, 2002
Creator:
Ally, M.R.
Object Type:
Report
System:
The UNT Digital Library
Fabrication of Optical Fiber Mechanical Shock Sensors for the Los Alamos HERT (High Explosive Radio Telemetry) Project
This document lists the requirements for the fiber optic mechanical shock sensor for the Los Alamos HERT (High Explosive Radio Telemetry) project and provides detailed process steps for fabricating, testing, and assembling the fiber shock sensors for delivery to Los Alamos.
Date:
November 14, 2005
Creator:
Klingsporn, P. E.
Object Type:
Report
System:
The UNT Digital Library
THEORETICAL ISSUES IN J/PSI SUPPRESSION.
Two decades ago Matsui and Satz suggested that Debye screening in the quark-gluon plasma would result in J/{psi} suppression in heavy ion collisions. Much has happened in the subsequent years, and the picture of quark-gluon plasma at present is rapidly evolving - what does it imply for the J/{psi} suppression? What are the recent RHIC and SPS results trying to tell us? What else has to be done? This talk is an attempt to address these questions.
Date:
November 14, 2006
Creator:
Kharzeev, D.
Object Type:
Article
System:
The UNT Digital Library
Optical Fiber High Temperature Sensor Instrumentation for Energy Intensive Industries
This report summarizes technical progress during the program “Optical Fiber High Temperature Sensor Instrumentation for Energy Intensive Industries”, performed by the Center for Photonics Technology of the Bradley Department of Electrical and Computer Engineering at Virginia Tech. The objective of this program was to use technology recently invented at Virginia Tech to develop and demonstrate the application of self-calibrating optical fiber temperature and pressure sensors to several key energy-intensive industries where conventional, commercially available sensors exhibit greatly abbreviated lifetimes due primarily to environmental degradation. A number of significant technologies were developed under this program, including • a laser bonded silica high temperature fiber sensor with a high temperature capability up to 700°C and a frequency response up to 150 kHz, • the world’s smallest fiber Fabry-Perot high temperature pressure sensor (125 x 20 μm) with 700°C capability, • UV-induced intrinsic Fabry-Perot interferometric sensors for distributed measurement, • a single crystal sapphire fiber-based sensor with a temperature capability up to 1600°C. These technologies have been well demonstrated and laboratory tested. Our work plan included conducting major field tests of these technologies at EPRI, Corning, Pratt & Whitney, and Global Energy; field validation of the technology is critical to ensuring its usefulness …
Date:
November 14, 2006
Creator:
Cooper, Kristie L.; Wang, Anbo & Pickrell, Gary R.
Object Type:
Report
System:
The UNT Digital Library
The Ranger (San Antonio, Tex.), Vol. 78, No. 10, Ed. 1 Friday, November 14, 2003
Weekly student newspaper from San Antonio College in San Antonio, Texas that includes campus news along with advertising.
Date:
November 14, 2003
Creator:
San Antonio College
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 28, Ed. 1 Thursday, November 14, 2002
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
November 14, 2002
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 17, Ed. 1 Thursday, November 14, 2002
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
November 14, 2002
Creator:
Ritch, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Rains County Leader (Emory, Tex.), Vol. 113, No. 23, Ed. 1 Tuesday, November 14, 2000
Weekly newspaper from Emory, Texas that includes local, state, and national news along with advertising.
Date:
November 14, 2000
Creator:
Hill, Earl Clyde, Jr.
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 112, No. 46, Ed. 1 Wednesday, November 14, 2007
Weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
November 14, 2007
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 106, No. 91, Ed. 1 Wednesday, November 14, 2001
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
November 14, 2001
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 108, No. 92, Ed. 1 Friday, November 14, 2003
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
November 14, 2003
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
[Performers warming up]
Performers warming up at a performance of Hip Hop Broadway: The Musical.
Date:
November 14, 2009
Creator:
Brown, Jirard
Object Type:
Photograph
System:
The UNT Digital Library
[Curtis King poses with others]
Curtis King poses with others at a performance of Hip Hop Broadway: The Musical.
Date:
November 14, 2009
Creator:
Dukes, Kevin
Object Type:
Photograph
System:
The UNT Digital Library
[Performers on stage]
Performers on stage at a performance of Hip Hop Broadway: The Musical.
Date:
November 14, 2009
Creator:
Brown, Jirard
Object Type:
Photograph
System:
The UNT Digital Library
[Curtis King posing with woman]
Curtis King posing with woman at a performance of Hip Hop Broadway: The Musical.
Date:
November 14, 2009
Creator:
Dukes, Kevin
Object Type:
Photograph
System:
The UNT Digital Library
[Actor performing at a podium]
Actor performing at a podium at a performance of Hip Hop Broadway: The Musical.
Date:
November 14, 2009
Creator:
Brown, Jirard
Object Type:
Photograph
System:
The UNT Digital Library
[Singer on stage]
Singer on stage at a performance of Hip Hop Broadway: The Musical.
Date:
November 14, 2009
Creator:
Brown, Jirard
Object Type:
Photograph
System:
The UNT Digital Library
[Actors on stage]
Actors on stage at a performance of Hip Hop Broadway: The Musical.
Date:
November 14, 2009
Creator:
Brown, Jirard
Object Type:
Photograph
System:
The UNT Digital Library
[Actresses on stage]
Actresses on stage at a performance of Hip Hop Broadway: The Musical.
Date:
November 14, 2009
Creator:
Brown, Jirard
Object Type:
Photograph
System:
The UNT Digital Library