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The Baytown Sun (Baytown, Tex.), Vol. 80, No. 278, Ed. 1 Saturday, August 31, 2002
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
August 31, 2002
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
Cactus and Visapult: An ultra-high performance grid-distributedvisualization architecture using connectionless protocols
This past decade has seen rapid growth in the size,resolution, and complexity of Grand Challenge simulation codes. Thistrend is accompanied by a trend towards multinational, multidisciplinaryteams who carry out this research in distributed teams, and thecorresponding growth of Grid infrastructure to support these widelydistributed Virtual Organizations. As the number and diversity ofdistributed teams grow, the need for visualization tools to analyze anddisplay multi-terabyte, remote data becomes more pronounced and moreurgent. One such tool that has been successfully used to address thisproblem is Visapult. Visapult is a parallel visualization tool thatemploys Grid-distributed components, latency tolerant visualization andgraphics algorithms, along with high performance network I/O in order toachieve effective remote analysis of massive datasets. In this paper wediscuss improvements to network bandwidth utilization and responsivenessof the Visapult application that result from using connectionlessprotocols to move data payload between the distributed Visapultcomponents and a Grid-enabled, high performance physics simulation usedto study gravitational waveforms of colliding black holes: The Cactuscode. These improvements have boosted Visapult's network efficiency to88-96 percent of the maximum theoretical available bandwidth onmulti-gigabit Wide Area Networks, and greatly enhanced interactivity.Such improvements are critically important for future development ofeffective interactive Grid applications.
Date:
August 31, 2002
Creator:
Bethel, E. Wes & Shalf, John
Object Type:
Article
System:
The UNT Digital Library
Conformance Improvement Using Gels
None
Date:
August 31, 2002
Creator:
Seright, Randall S.
Object Type:
Report
System:
The UNT Digital Library
Critical Infrastructure Information Disclosure and Homeland Security
This report discusses the Freedom of Information Act (FOIA) that was passed to ensure by statute citizen access to government information. Nine categories of information may be exempted from disclosure. Three of the nine exemptions provide possible protection against the release of critical infrastructure information: exemption 1 (national security information); exemption 3 (information exempted by statute); and exemption 4 (confidential business information). Congress has considered several proposals to exempt critical infrastructure information from the FOIA.
Date:
August 31, 2002
Creator:
Moteff, John D. & Stevens, Gina Marie
Object Type:
Report
System:
The UNT Digital Library
DEVELOPMENT OF TECHNOLOGIES AND ANALYTICAL CAPABILITIES FOR VISION 21 ENERGY PLANTS
The goal of this DOE Vision-21 project work scope is to develop an integrated suite of software tools that can be used to simulate and visualize advanced plant concepts. Existing process simulation software does not meet the DOE's objective of ''virtual simulation'' which is needed to evaluate complex cycles. The overall intent of the DOE is to improve predictive tools for cycle analysis, and to improve the component models that are used in turn to simulate the cycle. Advanced component models are available; however, a generic coupling capability that will link the advanced component models to the cycle simulation software remains to be developed. In the current project, the coupling of the cycle analysis and cycle component simulation software will be based on an existing suite of programs. The challenge is to develop a general-purpose software and communications link between the cycle analysis software Aspen Plus{reg_sign} (marketed by Aspen Technology, Inc.), and specialized component modeling packages, as exemplified by industrial proprietary codes (utilized by ALSTOM Power Inc.) and the FLUENT{trademark} CFD code (provided by Fluent Inc). ALSTOM Power has a task responsibility to select and run a combined cycle test case (designated as Demonstration Case 2) to demonstrate the feasibility …
Date:
August 31, 2002
Creator:
Galen Richards, Ph.D.; David Sloan, Ph.D. & Woodrow Fiveland, Ph.D.
Object Type:
Report
System:
The UNT Digital Library
Federal Geothermal Research Program Update - Fiscal Year 2001
This Federal Geothermal Program Research Update reviews the specific objectives, status, and accomplishments of DOE's Geothermal Program for Federal Fiscal Year (FY) 2001. The information contained in this Research Update illustrates how the mission and goals of the Office of Geothermal Technologies are reflected in each R&D activity. The Geothermal Program, from its guiding principles to the most detailed research activities, is focused on expanding the use of geothermal energy.
Date:
August 31, 2002
Creator:
Laney, P.T.
Object Type:
Report
System:
The UNT Digital Library
[Funeral Program for Lydia M. Dillard, August 31, 2002]
Funeral program for Sister Lydia M. Dillard, born September 29, 1911 and died August 23, 2002. The funeral was held August 31, 2002 at Dellcrest Church of Christ, officiated by B. B. Gatson I. Funeral arrangements were made through Lewis Funeral Home and she was buried in Meadowlawn Memorial Park in San Antonio, Texas.
Date:
August 31, 2002
Creator:
unknown
Object Type:
Pamphlet
System:
The Portal to Texas History
IMPERMEABLE THIN AL2O3 OVERLAY FOR TBC PROTECTION FROM SULFATE AND VANADATE ATTACK IN GAS TURBINES
In order to improve the hot corrosion resistance of conventional YSZ TBC system, a dense and continues overlay of Al{sub 2}O{sub 3} coating of about 25 {micro}m thick was deposited on the surface of TBC by EB-PVD and high velocity oxy-fuel (HVOF) spray techniques. Hot corrosion tests were carried out on the TBC with and without Al{sub 2}O{sub 3} coating in molten salts mixtures (Na{sub 2}SO{sub 4} + 5% V{sub 2}O5) at 950 C for 10h. The microstructures of TBC and overlay before and after exposure were examined by means of scanning electron microscopy (SEM), energy-dispersive X-ray spectrometer (EDX), X-ray diffraction (XRD) and secondary ion mass spectrometry (SIMS). It has been found that TBC will react with V{sub 2}O{sub 5} to form YVO{sub 4}. A substantial amount of M-phase of ZrO{sub 2} was formed due to the leaching of Y{sub 2}O{sub 3} from YSZ. During hot corrosion test, there were no significant interactions between overlay Al{sub 2}O{sub 3} coating and molten salts. After exposure, the alumina coating, especially produced by HVOF, was still very dense and cover the surface of YSZ, although they had been translated to {alpha}-Al{sub 2}O{sub 3} from original {gamma}-Al{sub 2}O{sub 3}. As a result, Al{sub 2}O{sub …
Date:
August 31, 2002
Creator:
Mao, Scott X.
Object Type:
Report
System:
The UNT Digital Library
IMPERMEABLE THIN AL2O3 OVERLAY FOR TBC PROTECTION FROM SULFATE AND VANADATE ATTACK IN GAS TURBINES
In order to improve the hot corrosion resistance of conventional YSZ TBC system, the overlay of Al{sub 2}O{sub 3} coating was deposited on the TBC by EB-PVD techniques. Hot corrosion tests were carried out on the TBC with and without Al{sub 2}O{sub 3} coating in molten salts mixtures (Na{sub 2}SO{sub 4} + 5%V{sub 2}O{sub 5}) at 950 C for different time up to 100h. The microstructures of TBC and overlay before and after exposure were examined by means of scanning electron microscopy (SEM), energy-dispersive X-ray spectrometer (EDX) and X-ray diffraction (XRD). It has been found that TBC will react with V{sub 2}O{sub 5} to form YVO{sub 4}. The amount of M-phase, which was formed due to the leaching of Y{sub 2}O{sub 3} from YSZ, was increased with corrosion time. Al{sub 2}O{sub 3} overlay coating deposited by EB-PVD was dense, continues and adherent to the TBC. As a result, overlay Al{sub 2}O{sub 3} coating can prevent the YSZ from the attack by molten salts containing vanadium and decrease the penetration of salts into the YSZ along porous and cracks in the YSZ TBC. The amount of M-phase formed in YSZ covered with an overlay Al{sub 2}O{sub 3} is substantially lower than …
Date:
August 31, 2002
Creator:
Mao, Scott X.
Object Type:
Report
System:
The UNT Digital Library
Magnetic Properties and Spectroscopic Studies of Selected Rare Earth-Transition Metal Intermatellic Alloys. Final Progress Report for period January 15, 1997 - January 15, 2000
The hard magnetic properties of the high energy magnetic materials are of great interest on account of their vast application potential. The properties, particularly the stability at high temperatures and resistance to degradation are enhance considerably through judicious alloying and heat treatments. This project's vision was the enhancement of the properties of the already well-defined rare earth iron alloy magnet compositions by including selection transition metal atoms and carbons in the structure. The magnetic properties were correlated to the microstructures obtained after various heat treatments. The thermal stability and degradation mechanisms of the compositions were concurrently studied and defined. These were some of the aspects in the proposed study.
Date:
August 31, 2002
Creator:
Mohanty, R.
Object Type:
Report
System:
The UNT Digital Library
Millennial Housing Commission
The mission of the Commission is to identify, analyze, and develop recommendations that highlight the importance of housing, improve the housing delivery system, and provide affordable housing for the American people, including recommending possible legislative and regulatory initiatives.
Date:
August 31, 2002
Creator:
Millennial Housing Commission
Object Type:
Website
System:
The UNT Digital Library
Oil and Gas Facility Emergency Awareness Partnership:Final Technical Progress Report
Energy Education Partnership, Inc. (EEPI) is a 501(c) (3) subsidiary of the Interstate Oil and Gas Compact Commission (IOGCC). The organization was formed four years ago for charitable, educational, and scientific purposes. EEPI adheres to the same mission of IOGCC, and that is to promote conservation and efficient recovery of domestic oil and natural gas resources while protecting health, safety and the environment. The membership of EEPI/IOCGG is composed of the governors of the 30 oil and gas producing states, seven associate member states, and five international affiliates. The governors appoint official representatives and committee members to participate in the programs. The membership of EEPI/IOGCC is dedicated to the conservation and prudent utilization of oil and natural gas resources through education and training. Engineers, geologist, environmental scientists and researchers who perform the majority of fossil energy research in the United States all work with EEPI/IOGCC on projects. The ''Oil and Gas Facility Emergency Awareness Program'' consists of three main parts, with two optional projects for the states involved in the pilot program. The three main parts of the program consist of the following: (1) Create a generic publication using the Ohio Oil and Gas Energy Education Program's publication, ''Responding to …
Date:
August 31, 2002
Creator:
Bryant, Tod
Object Type:
Report
System:
The UNT Digital Library
Oral History Interview with Jack Smalling, August 31, 2002
The National Museum of the Pacific War presents an interview with Jack Smalling. Smalling graduated in August of 1941 from the University of Texas with a degree in Chemical Engineering and a commission as ensign, Engineering Specialist in the Naval Reserve. He volunteered for submarine duty and served as a lieutenant commander aboard USS S-11 (SS-116). They conducted photoreconnaissance of Iwo Jima before the 1945 invasion, and detected and tracked the Japanese battleship Yamato prior to its being sunk. He also served aboard USS Spearfish (SS-190) and in January of 1945, USS Hackleback (SS-295).
Date:
August 31, 2002
Creator:
Smalling, Jack
Object Type:
Sound
System:
The Portal to Texas History
Oral History Interview with Jack Smalling, August 31, 2002
The National Museum of the Pacific War presents an interview with Jack Smalling. Smalling graduated in August of 1941 from the University of Texas with a degree in Chemical Engineering and a commission as ensign, Engineering Specialist in the Naval Reserve. He volunteered for submarine duty and served as a lieutenant commander aboard USS S-11 (SS-116). They conducted photoreconnaissance of Iwo Jima before the 1945 invasion, and detected and tracked the Japanese battleship Yamato prior to its being sunk. He also served aboard USS Spearfish (SS-190) and in January of 1945, USS Hackleback (SS-295).
Date:
August 31, 2002
Creator:
Smalling, Jack
Object Type:
Text
System:
The Portal to Texas History
Plant Growth with Limited Water
None
Date:
August 31, 2002
Creator:
Boyer, John
Object Type:
Report
System:
The UNT Digital Library
Reconnaissance Estimates of Recharge Based on an Elevation-dependent Chloride Mass-balance Approach
Significant uncertainty is associated with efforts to quantity recharge in arid regions such as southern Nevada. However, accurate estimates of groundwater recharge are necessary to understanding the long-term sustainability of groundwater resources and predictions of groundwater flow rates and directions. Currently, the most widely accepted method for estimating recharge in southern Nevada is the Maxey and Eakin method. This method has been applied to most basins within Nevada and has been independently verified as a reconnaissance-level estimate of recharge through several studies. Recharge estimates derived from the Maxey and Eakin and other recharge methodologies ultimately based upon measures or estimates of groundwater discharge (outflow methods) should be augmented by a tracer-based aquifer-response method. The objective of this study was to improve an existing aquifer-response method that was based on the chloride mass-balance approach. Improvements were designed to incorporate spatial variability within recharge areas (rather than recharge as a lumped parameter), develop a more defendable lower limit of recharge, and differentiate local recharge from recharge emanating as interbasin flux. Seventeen springs, located in the Sheep Range, Spring Mountains, and on the Nevada Test Site were sampled during the course of this study and their discharge was measured. The chloride and bromide …
Date:
August 31, 2002
Creator:
Russell, Charles E. & Minor, Tim
Object Type:
Report
System:
The UNT Digital Library
The Role of Biogenic Solids in Thereductive Stabilization of Metal Contaminats: Influences Onmicrobial Versus Chemical Pathways and Reaction Products
In situ stabilization of toxic metals and radionuclides such as chromium and uranium is an attractive approach for remediating many contaminated DOE sites. To enhance in situ remediation, microbiological reductive stabilization of contaminant metals has been, and continues to be, actively explored. It is likely that surface and subsurface microbial activity can alter the redox state of toxic metals and radionuclides so they are rendered immobile. The reaction products and their stability will depend on the specific mechanism by which reduction takes place--the focus of this work. Uranium and Cr exist in more than one oxidation state in the surface- and near-surface environment; different oxidation states of these elements have markedly different properties. The fully oxidized species of Cr and U, both hexavalent forms, have a high solubility in soils and groundwaters, and consequently they tend to be mobile in the environment. Chromate is also subject to biological uptake, a factor that contributes to its toxicity. In contrast, the reduced form of chromium, Cr(III), has a limited hydroxide solubility and forms strong complexes with soil minerals, it is therefore less mobile and has a lower bioavailability than Cr(VI). Similarly, the oxidized forms of U have a greater solubility and hence …
Date:
August 31, 2002
Creator:
Fendrof, Scott
Object Type:
Report
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 32, No. 2, Ed. 1 Friday, August 30, 2002
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
August 30, 2002
Creator:
Baldwin, Alisha
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Acceleration of 0+ Ions in the Dynamic Magnetotail
None
Date:
August 30, 2002
Creator:
Birn, Joachin & Thomsen, Michelle F.
Object Type:
Report
System:
The UNT Digital Library
Africa: U.S. Foreign Assistance Issues
This report discusses the issue of U.S. economic assistance to sub-Saharan Africa, highlighting the importance of continued assistance in light of U.S. national security and also various U.S.-led efforts to promote reform amongst African citizens themselves. U.S. assistance finds its way to Africa through a variety of channels, including the USAID-administered DA program, food aid programs, and indirect aid provided through international financial institutions and the United Nations.
Date:
August 30, 2002
Creator:
Copson, Raymond W.
Object Type:
Report
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 104, No. 142, Ed. 1 Friday, August 30, 2002
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 30, 2002
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Appendix A, An Equation of State for Pentafluoroethane (HFC-125) for Temperatures from the Triple Point (172.52 K) to 500 K and Pressures to 60 MPa
Derivation of equation of state for pentafluoroethane.
Date:
August 30, 2002
Creator:
Lemmon, Eric W. & Jacobsen, Richard T.
Object Type:
Report
System:
The UNT Digital Library
Appendix B, Equations of States for Mixtures of R-32, R-125, R-134a, R-143a, and R-152a
Derivation of equations of state for refrigerant mixtures containing R32, R125, R134a, R143a and R152a.
Date:
August 30, 2002
Creator:
Lemmon, Eric W. & Jaconsen, Richard T.
Object Type:
Report
System:
The UNT Digital Library
Appropriations for FY2003: Foreign Operations, Export Financing and Related Programs
Appropriations are one part of a complex federal budget process that includes budget resolutions, appropriations (regular, supplemental, and continuing) bills, rescissions, and budget reconciliation bills. This report is a guide to one of the 13 regular appropriations bills that Congress considers each year. It is designed to supplement the information provided by the House and Senate Foreign Operations Appropriations Subcommittees.
Date:
August 30, 2002
Creator:
Nowels, Larry
Object Type:
Report
System:
The UNT Digital Library