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24
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Advanced, Low/Zero Emission Boiler Design and Operation
This document reviews the work performed during the quarter April-June 2004. Task 1 (Site Preparation) had been completed 2003, along with three weeks of oxycombustion tests in Task 2 (experimental test performance) of the project. In current reporting period, the experimental testing has been completed: one additional week of tests has been performed to finalize the optimization of the combustion characteristics in O{sub 2}/CO{sub 2} environment ; two more days of testing were dedicated to mercury sampling in air-fired or O{sub 2}-fired conditions, and to characterization of heat transfer in O{sub 2} conditions vs. to air-blown conditions. Task 3 (Techno-Economic Study) has also been completed in current quarter: 250MWe, 500MWe and 1000MWe oxygen-fired PC unit have been simulated and quoted, and their performance and cost have been compared to same-capacity air-fired pulverized coal (PC) unit and IGCC. New and retrofit cases have been evaluated. The comparison has been completed in terms of capital cost, operating cost, cost of electricity and cost of CO{sub 2} avoided. The scope of task 4 (Conceptual Boiler Design) had been modified as per DOE request in previous quarter. Engineering calculations are currently in progress. Next steps include detail review of the experimental data collected during …
Date:
June 30, 2004
Creator:
Chatel-Pelage, Fabienne & Varagani, Rajani
Object Type:
Report
System:
The UNT Digital Library
Alternative Transportation Fuels and Vehicles: Energy, Environment, and Development Issues
This report reviews several issues relating to alternative fuels and vehicles, mainly to combat dependence on petroleum imports and reduce greenhouse gas emissions. The report discusses the advantages and drawbacks of various alternative fuels and vehicles, as well as related legislation.
Date:
June 30, 2004
Creator:
Yacobucci, Brent D.
Object Type:
Report
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 106, No. 78, Ed. 1 Wednesday, June 30, 2004
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 30, 2004
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Alvin Advertiser (Alvin, Tex.), Ed. 1 Wednesday, June 30, 2004
Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date:
June 30, 2004
Creator:
Schwind, Jim & Looby, Edward
Object Type:
Newspaper
System:
The Portal to Texas History
Ammonia-Free NOx Control System
Research is being conducted under United States Department of Energy (DOE) Contract DEFC26-03NT41865 to develop a new technology to achieve very low levels of NOx emissions from pulverized coal fired boiler systems by employing a novel system level integration between the PC combustion process and the catalytic NOx reduction with CO present in the combustion flue gas. The combustor design and operating conditions will be optimized to achieve atypical flue gas conditions. This approach will not only suppress NOx generation during combustion but also further reduce NOx over a downstream catalytic reactor that does not require addition of an external reductant, such as ammonia. This report describes the work performed during the April 1 to June 30, 2004 time period.
Date:
June 30, 2004
Creator:
Fan, Zhen; Wu, Song & Herman, Richard G.
Object Type:
Report
System:
The UNT Digital Library
Analysis of KEK-ATF optics and coupling using LOCO
LOCO is a computer code for analysis of the linear optics in a storage ring based on the closed orbit response to steering magnets. The analysis provides information on focusing errors, BPM gain and rotation errors, and local coupling. Here, we discuss the details of the LOCO implementation at the KEK-ATF Damping Ring, and report the initial results. Some of the information obtained, for example on the BPM gain and coupling errors, has not previously been determined. We discuss the possibility of using the data provided by the LOCO analysis to reduce the vertical emittance of the ATF beam.
Date:
June 30, 2004
Creator:
Wolski, Andrzej; Woodley, Mark D.; Nelson, Janice & Ross, Marc C.
Object Type:
Article
System:
The UNT Digital Library
The Archer Advocate (Holliday, Tex.), Vol. 2, No. 13, Ed. 1 Wednesday, June 30, 2004
Weekly newspaper from Holliday, Texas that includes local, state, and national news along with advertising.
Date:
June 30, 2004
Creator:
Thomas, John
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 82, No. 212, Ed. 1 Wednesday, June 30, 2004
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
June 30, 2004
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
Beam-based alignment at the KEK-ATF damping ring
The damping rings of a future linear collider will have demanding alignment and stability requirements in order to achieve the low vertical emittance necessary for high luminosity. The Accelerator Test Facility (ATF) at KEK has successfully demonstrated the vertical emittance below 5 pm that is specified for the GLC/NLC Main Damping Rings. One contribution to this accomplishment has been the use of Beam Based Alignment (BBA) techniques. The mode of operation of the ATF presents particular challenges for BBA, and we describe here how we have deduced the offsets of the BPMs with respect to the quadrupoles. We also discuss a technique that allows for direct measurements of the beam-to-quad offsets.
Date:
June 30, 2004
Creator:
Woodley, Mark D.; Nelson, Janice; Ross, Marc; Turner, James; Wolski, A. & Kubo, Kiyoshi
Object Type:
Article
System:
The UNT Digital Library
Big Sky Carbon Sequestration Partnership Quarterly Report
The Big Sky Carbon Sequestration Partnership, led by Montana State University, is comprised of research institutions, public entities and private sectors organizations, and the Confederated Salish and Kootenai Tribes and the Nez Perce Tribe. Efforts under this Partnership fall into four areas: evaluation of sources and carbon sequestration sinks; development of GIS-based reporting framework; designing an integrated suite of monitoring, measuring, and verification technologies; and initiating a comprehensive education and outreach program. At the first two Partnership meetings the groundwork was put in place to provide an assessment of capture and storage capabilities for CO{sub 2} utilizing the resources found in the Partnership region (both geological and terrestrial sinks), that would complement the ongoing DOE research. During the third quarter, planning efforts are underway for the next Partnership meeting which will showcase the architecture of the GIS framework and initial results for sources and sinks, discuss the methods and analysis underway for assessing geological and terrestrial sequestration potentials. The meeting will conclude with an ASME workshop (see attached agenda). The region has a diverse array of geological formations that could provide storage options for carbon in one or more of its three states. Likewise, initial estimates of terrestrial sinks indicate …
Date:
June 30, 2004
Creator:
Capalbo, Susan M.
Object Type:
Report
System:
The UNT Digital Library
Cherokeean Herald (Rusk, Tex.), Vol. 155, No. 19, Ed. 1 Wednesday, June 30, 2004
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
June 30, 2004
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
CLIMATE CHANGE FUEL CELL PROGRAM UNITED STATES COAST GUARD AIR STATION CAPE COD BOURNE, MASSACHUSETTS
This report covers the first year of operation of a fuel cell power plant, installed by PPL Spectrum, Inc. (PPL) under contract with the United States Coast Guard (USCG), Research and Development Center (RDC). The fuel cell was installed at Air Station Cape Cod in Bourne, MA. The project had the support of the Massachusetts Technology Collaborative (MTC), the Department of Energy (DOE), and Keyspan Energy. PPL selected FuelCell Energy, Inc. (FCE) and its fuel cell model DFC{reg_sign}300 for the contract. Grant contributions were finalized and a contract between PPL and the USCG for the manufacture, installation, and first year's maintenance of the fuel cell was executed on September 24, 2001. As the prime contractor, PPL was responsible for all facets of the project. All the work was completed by PPL through various subcontracts, including the primary subcontract with FCE for the manufacture, delivery, and installation of the fuel cell. The manufacturing and design phases proceeded in a relatively timely manner for the first half of the project. However, during latter stages of manufacture and fuel cell testing, a variety of issues were encountered that ultimately resulted in several delivery delays, and a number of contract modifications. Final installation and …
Date:
June 30, 2004
Creator:
Jr, John K. Steckel
Object Type:
Report
System:
The UNT Digital Library
Coal Combustion Products Extension Program
This report describes Coal Combustion Products Extension Program.
Date:
June 30, 2004
Creator:
Butalia, T. S. & Wolfe, W. E.
Object Type:
Report
System:
The UNT Digital Library
The Colony Courier-Leader (The Colony, Tex.), Vol. 23, No. 21, Ed. 1 Wednesday, June 30, 2004
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
June 30, 2004
Creator:
Sorter, Dave
Object Type:
Newspaper
System:
The Portal to Texas History
The Cuero Record (Cuero, Tex.), Vol. 110, No. 26, Ed. 1 Wednesday, June 30, 2004
Weekly newspaper from Cuero, Texas that includes local, state, and national news along with advertising.
Date:
June 30, 2004
Creator:
Rea, Glenn
Object Type:
Newspaper
System:
The Portal to Texas History
Design study of the bending sections between harmonic cascade FEL stages
The present design of LUX (linac based ultra-fast X-ray facility) includes a harmonic cascade FEL chain to generate coherent EUV and soft X-ray radiation. Four cascade stages, each consisting of two undulators acting as a modulator and a radiator, respectively, are envisioned to produce photons of approximate wavelengths 48 nm, 12 nm, 4 nm and 1 nm. Bending sections may be placed between the modulator and the radiator of each stage to adjust and maintain bunching of the electrons, to separate, in space, photons of different wavelengths and to optimize the use of real estate. In this note, the conceptual design of such a bending section, which may be used at all four stages, is presented. Preliminary tracking results show that it is possible to maintain bunch structure of nm length scale in the presence of errors, provided that there is adequate orbit correction and there are 2 families of trim quads and trim skew quads, respectively, in each bending section.
Date:
June 30, 2004
Creator:
Wan, Weishi; Corlett, John; Fawley, William & Zholents, A.
Object Type:
Article
System:
The UNT Digital Library
Development of a 400 Level 3C Clamped Downhole Seismic Receiver Array for 3D Borehole Seismic Imaging of Gas Reservoirs, Quarterly Report: April 1 - June 30, 2004
Borehole seismology is the highest resolution geophysical imaging technique available today to the oil and gas industry for characterization and monitoring of oil and gas reservoirs. However, the industry's ability to economically do high resolution 3D imaging of deep and complex gas reservoirs using borehole seismology is currently frustrated by the lack of the acquisition technology necessary to record the large volumes of the high frequency, high signal-to-noise-ratio borehole seismic data needed to do 3D imaging. This project takes direct aim at this shortcoming by developing a 400 level 3C clamped downhole seismic receiver array, and accompanying software, for borehole seismic 3D imaging. This large borehole seismic array will remove the technical acquisition barrier for recording the necessary volumes of data to do high resolution 3D VSP or 3D cross well seismic imaging. 3D VSP and long range Cross-Well Seismology (CWS) are two of the borehole seismic techniques that will allow the Gas industry to take the next step in their quest for higher resolution images of the gas reservoirs for the purpose of improving the recovery of the natural gas resources. Today only a fraction of the original Oil or Gas in place is produced when reservoirs are considered …
Date:
June 30, 2004
Creator:
Paulsson, Bjorn N. P.
Object Type:
Report
System:
The UNT Digital Library
Differential Soil Impedance Obstacle Detection Quarterly Report
This project develops a new and unique obstacle detection sensor for horizontal directional drilling (HDD) equipment. The development of this new technology will greatly improve the reliability and safety of natural gas HDD construction practices. This sensor utilizes a differential soil impedance measurement technique that will be sensitive to the presence of plastic and ceramic, as well as metallic obstacles. The use of HDD equipment has risen significantly in the gas industry because HDD provides a much more cost-effective and less disruptive method for gas pipe installation than older, trenching methods. However, there have been isolated strikes of underground utilities by HDD equipment, which may have been avoided if methods were available to detect other underground obstacles when using HDD systems. GTI advisors from the gas industry have ranked the value of solving the obstacle detection problem as the most important research and development project for GTI to pursue using Federal Energy Regulatory Commission (FERC) funds available through its industry partner, GRI. GTI proposes to develop a prototype down-hole sensor system that is simple and compact. The sensor utilizes an impedance measurement technique that is sensitive to the presence of metallic or nonmetallic objects in the proximity of the HDD …
Date:
June 30, 2004
Creator:
Kieba, Maximillian J. & Ziolkowski, Christopher J.
Object Type:
Report
System:
The UNT Digital Library
Dilute Surfactant Methods for Carbonate Formations
None
Date:
June 30, 2004
Creator:
Mohanty, Kishore K.
Object Type:
Report
System:
The UNT Digital Library
Dissolution of Plutonium Metal Using a HAN Process
Thermal stability tests were conducted with a nitric acid (HNO3)/hydroxylammonium nitrate (HAN)/potassium fluoride (KF) solution. The solution has great potential for use in plutonium dissolution because of the small quantity of hydrogen and other offgases produced. Tests were carried out in a Reactive Systems Screening Tool (RSST). The RSST is a calorimeter equipped with temperature and pressure probes as well as a heater that can heat a liquid sample at a programmed rate. In most cases, the calorimeter was pressurized with nitrogen to reduce evaporation of the liquid sample during heating. For the proposed solution, an autocatalytic reaction occurred between 113 and 131 degrees Celsius with 300 psig or 50 psig nitrogen inside the RSST vapor space. At ambient pressure, the solution boiled at about 110 degrees Celsius. After extensive boiling, the concentrations of HNO3 and HAN increased and the autocatalytic reaction occurred. Tests were also conducted with 1000 ppm Fe present in the solution. The range of the autocatalytic reaction initiation temperature was reduced to 105-120.5 degrees Celsius. With iron at ambient pressure, boiling still occurred above 100 degrees Celsius prior to the autocatalytic reaction, which occurred at 108-109 degrees Celsius. These results demonstrated the stability of the proposed …
Date:
June 30, 2004
Creator:
CROWDER, MARKL.
Object Type:
Report
System:
The UNT Digital Library
District of Columbia Jail: Medical Services Generally Met Requirements and Costs Decreased, but Oversight Is Incomplete
A letter report issued by the General Accounting Office with an abstract that begins "Since the end of a court-ordered receivership overseeing medical services at the District of Columbia Jail in September 2000, the Department of Corrections (DoC) has contracted with the Center for Correctional Health and Policy Studies, Inc. (CCHPS) to provide inmate medical services. GAO was asked to provide information on (1) the medical services DoC contracted with CCHPS to provide, including CCHPS's monitoring of its services; (2) mechanisms DoC established to oversee CCHPS's services; (3) CCHPS's contract compliance and DoC's efforts to ensure compliance; and (4) the cost of medical services. To collect this information, GAO analyzed documents and interviewed officials from District agencies, CCHPS officials, and an independent reviewer hired by DoC to monitor medical services."
Date:
June 30, 2004
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
DOD Civilian Personnel: Comprehensive Strategic Workforce Plans Needed
A letter report issued by the General Accounting Office with an abstract that begins "During its downsizing in the early 1990s, the Department of Defense (DOD) did not focus on strategically reshaping its civilian workforce. GAO was asked to address DOD's efforts to strategically plan for its future civilian workforce at the Office of the Secretary of Defense (OSD), the military services' headquarters, and the Defense Logistics Agency (DLA). Specifically, GAO determined: (1) the extent to which civilian strategic workforce plans have been developed and implemented to address future civilian workforce requirements, and (2) the major challenges affecting the development and implementation of these plans."
Date:
June 30, 2004
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Dynamical map for combined function magnets with solenoid, dipole, and quadrupole fields
The interaction regions of colliders invariably include strong solenoid fields. Where quadrupoles and dipoles are embedded in the solenoid, the beam dynamics in the combined fields can be complicated to model using the traditional approach of interleaving slices of the different fields. The complexity increases if the design trajectory is offset from the magnetic axis; this is the case, for example, in PEP-II. In this paper, we present maps for combined solenoid, dipole and quadrupole fields that provide a much simpler alternative to the traditional approach, and show that the deviation of the design trajectory from the magnetic axis can be handle in a straightforward manner. We illustrate the techniques presented by reference to the PEP-II interaction region.
Date:
June 30, 2004
Creator:
Venturini, Marco & Wolski, Andy
Object Type:
Article
System:
The UNT Digital Library
Engineering design of the LUX photoinjector
The photoinjector for the LBNL LUX project, a femtosecond-regime X-ray source, is a room-temperature 1.3 GHz 4 cell structure producing a 10 MeV, nominal 30 psec, 1 nanocoulomb electron bunch at a 10 kHz rate. The first cell is of reentrant geometry, with a peak field of 64MV/m at the photocathode surface, the geometry of which will be optimized for minimum beam emittance. The high repetition rate and high peak power results in a high average surface power density. The design of the cavity, its cooling structure and power couplers, is coordinated with the configuration of the RF system, including a short, highpower driving pulse and active removal of stored energy after the beam pulse to reduce the average power dissipated in the cavity. An RF and thermal analysis of the photoinjector will be presented.
Date:
June 30, 2004
Creator:
Staples, J. W.; Virostek, S. P. & Lidia, S. M.
Object Type:
Article
System:
The UNT Digital Library