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Coherent parasitic energy loss of the recycler beam
Parasitic energy loss of the particle beam in the Recycler Ring is discussed. The long beam confined between two barrier waves has a spectrum that falls off rapidly with frequency. Discrete summation over the revolution harmonics must be made to obtain the correct energy loss per particle per turn, because only a few lower revolution harmonics of real part of the longitudinal impedance contribute to the parasitic energy loss. The longitudinal impedances of the broadband rf cavities, the broadband resistive-wall monitors, and the resistive wall of the vacuum chamber are discussed. They are the main sources of the parasitic energy loss.
Date:
July 14, 2004
Creator:
Ng, King-Yuen
Object Type:
Report
System:
The UNT Digital Library
The Collegian (Hurst, Tex.), Vol. 16, No. 21, Ed. 1 Wednesday, April 14, 2004
Weekly student newspaper published in Hurst, Texas and serving the Tarrant County College District that includes school news and information along with advertising.
Date:
April 14, 2004
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
[Colombia booth at 2004 Carnival]
A photograph of the Colombia booth at the 2004 Carnvial held by the UNT Multicultural Center for Hispanic Heritage Month. The booth has a poster with pictures and the country's flag decorating it. There is also a woven rug and small items on display.
Date:
September 14, 2004
Creator:
University of North Texas. Multicultural Center.
Object Type:
Photograph
System:
The UNT Digital Library
[Colombia booth sponsor at 2004 Carnival]
A photograph of the sponsor of the Colombia booth speaking at the 2004 Carnvial held by the UNT Multicultural Center for Hispanic Heritage Month. She is holding a certificate and is using a microphone held by another woman. There are people gathered around them as well.
Date:
September 14, 2004
Creator:
University of North Texas. Multicultural Center.
Object Type:
Photograph
System:
The UNT Digital Library
[Colombia booth sponsors at 2004 Carnival]
A photograph of the sponsors of the Colombia booth at the 2004 Carnvial held by the UNT Multicultural Center for Hispanic Heritage Month. One is holding a certificate and they are both standing beside the booth. The poster, pictures, and small items are visible on the table.
Date:
September 14, 2004
Creator:
University of North Texas. Multicultural Center.
Object Type:
Photograph
System:
The UNT Digital Library
[Colombia booth with certificate at 2004 Carnival]
A photograph of the Colombia booth and its sponsors at the 2004 Carnvial held by the UNT Multicultural Center for Hispanic Heritage Month. They are holding a certificate for the "Outstanding Booth" and a woman is speaking into a microphone in front of them.
Date:
September 14, 2004
Creator:
University of North Texas. Multicultural Center.
Object Type:
Photograph
System:
The UNT Digital Library
The Colony Courier-Leader (The Colony, Tex.), Vol. 22, No. 49, Ed. 1 Wednesday, January 14, 2004
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
January 14, 2004
Creator:
Sorter, Dave
Object Type:
Newspaper
System:
The Portal to Texas History
The Colony Courier-Leader (The Colony, Tex.), Vol. 23, No. 10, Ed. 1 Wednesday, April 14, 2004
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
April 14, 2004
Creator:
Sorter, Dave
Object Type:
Newspaper
System:
The Portal to Texas History
The Colony Courier-Leader (The Colony, Tex.), Vol. 23, No. 23, Ed. 1 Wednesday, July 14, 2004
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
July 14, 2004
Creator:
Sorter, Dave
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 24, Ed. 1 Thursday, October 14, 2004
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
October 14, 2004
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Comment on ''Thermal Behavior of Polarized Pd/D Electrodes Prepared by Co-Deposition''
This paper presents the basics of this model, including what physical conditions could produce a calibration constant shift and what might cause those conditions to arise. The new evidences are discussed and it is shown that the possibility of at-the-electrode recombination cannot be eliminated, in fact prior photographic evidence is shown to be reasonable evidence of this phenomenon. Thus in the absence of definitive data, the conclusion that apparent excess heat arises from a nuclear cause is premature. If the apparent excess heat signal is not representative of a true heat source, but is instead an equipment/method malfunction, integrating the signal is of no value. This paper proposes that is the situation, and will therefore focus on examining the phenomenon of apparent excess enthalpy (sometimes called excess heat). Not addressed will be the myriad of other purported evidences of nuclear reactions. The apparent excess heat claims form the largest block of claims for a nuclear FPHE cause, and the correlation of apparent excess heat with apparent nuclear ash detection is often cited as evidence of the nuclear nature of the FPHE. But confidence in the validity of the apparent excess heat signal is of critical importance in validating a nuclear …
Date:
July 14, 2004
Creator:
SHANAHAN, KIRKL.
Object Type:
Article
System:
The UNT Digital Library
A Component Architecture for High-Performance Scientific Computing
The Common Component Architecture (CCA) provides a means for software developers to manage the complexity of large-scale scientific simulations and to move toward a plug-and-play environment for high-performance computing. In the scientific computing context, component models also promote collaboration using independently developed software, thereby allowing particular individuals or groups to focus on the aspects of greatest interest to them. The CCA supports parallel and distributed computing as well as local high-performance connections between components in a language-independent manner. The design places minimal requirements on components and thus facilitates the integration of existing code into the CCA environment. The CCA model imposes minimal overhead to minimize the impact on application performance. The focus on high performance distinguishes the CCA from most other component models. The CCA is being applied within an increasing range of disciplines, including combustion research, global climate simulation, and computational chemistry.
Date:
December 14, 2004
Creator:
Bernholdt, D. E.; Allan, B. A.; Armstrong, R.; Bertrand, F.; Chiu, K.; Dahlgren, T. L. et al.
Object Type:
Article
System:
The UNT Digital Library
Computer-Based Patient Records: Subcommittee Questions Concerning VA and DOD Efforts to Achieve a Two-Way Exchange of Health Data
Correspondence issued by the General Accounting Office with an abstract that begins "This letter responds to a request by the Chairman of the Subcommittee on Oversight and Investigations, House Committee on Veterans' Affairs, that we provide answers to questions relating to our March 17, 2004, testimony. At that hearing, we discussed the Department of Veterans Affairs' (VA) and Department of Defense's (DOD) progress toward defining a detailed strategy and developing the capability for a two-way exchange of patient health information."
Date:
May 14, 2004
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Concurrent Enrollment Programs
Initiated in part as a proposal to reform U.S. high schools, concurrent enrollment programs enable high school aged students to take college level course work and receive college credit while enrolled in high school. Concurrent enrollment programs can be best described as a secondary/postsecondary school hybrid. This report provides a brief history of these programs and a description of the different types of programs, including participation data.
Date:
December 14, 2004
Creator:
Mercer, Charmaine
Object Type:
Report
System:
The UNT Digital Library
Continued Support of the Supercomputer Computations Research Institute
Support for Supercomputer Computations Research Institute infrastructure and the DQS/JQS project.
Date:
January 14, 2004
Creator:
Duke, Dennis
Object Type:
Report
System:
The UNT Digital Library
Continuum Mechanical and Computational Aspects of Material Behavior
The authors develop a theory for uniaxial nematic elastomers with variable asphericity. As an application of the theory, they consider the time-independent, isochoric radial expansion of a right circular cylinder. Numerical solutions to the resulting differential equation are obtained for a range of radial expansions. For all expansions considered, there exists an isotropic core of material surrounding the cylinder axis where the asphericity vanishes and in which the polymeric chains are shaped as spherical coils. This region, corresponding to a disclination of strength + 1 along the axis, is bounded by a narrow transition layer across which the asphericity increases rapidly and attains a non-trivial positive value. The material thereby becomes anisotropic away from the disclination so that the polymeric chains are shaped as ellipsoidal coils of revolution prolate about cylinder radius. In accordance with the area of steeply changing asphericity between isotropic and anisotropic regimes, a marked drop in the free-energy density is observed. The boundary of the disclination core is associated with the location of this energy drop. For realistic choices of material parameters, this criterion yields a core on the order of 10{sup -2} {micro}m, which coincides with observations in conventional liquid-crystal melts. Also occurring at the …
Date:
March 14, 2004
Creator:
Fried, Eliot & Gurtin, Morton E.
Object Type:
Report
System:
The UNT Digital Library
Control Loop Tuning and Surge Response for Hanford WTP Melter Offgas Systems
This report describes control loop tuning in models of the high level waste (HLW) melter offgas system, the low activity waste (LAW) melter offgas system and the HLW Pulse Jet Ventilation system and an assessment of the response to steam surges in both melter offgas systems. The three offgas systems were modeled using the Aspen Custom Modeler (ACM) software. The ACM models have been recently updated. Flowsheets of the system models used in this study are provided in Appendix D. To facilitate testing, these flowsheets represent somewhat simplified versions of the full models. For example, the HLW and LAW vessel ventilation systems have been represented as fixed air sources that provide a constant gas flow and specified air surges. Similarly, the six tanks and individual pulse-jet air sources in the HLW Pulse Jet Ventilation system are represented as a constant air source for control loop tuning purposes. The second LAW melter system has also been represented as a constant flow air source and several other simplifications such as removing HLW and LAW control interlocks, submerged bed scrubber bypass lines, and pressure relief valves have been made.
Date:
June 14, 2004
Creator:
Smith, F. G., III
Object Type:
Report
System:
The UNT Digital Library
Cooper Review (Cooper, Tex.), Vol. 124, No. 42, Ed. 1 Thursday, October 14, 2004
Weekly newspaper from Cooper, Texas that includes local, state, and national news along with advertising.
Date:
October 14, 2004
Creator:
Pinson, Beth
Object Type:
Newspaper
System:
The Portal to Texas History
Cost Optimization of Non-Scaling Ffag Latices for Muon Acceleration.
Fixed Field Gradient (FFAG) accelerators are a promising idea for reducing the cost of acceleration for muon accelerators as well as other machines. This paper presents an automated method for designing these machines to certain specifications, and uses that method to find a minimum cost design. The dependence of this minimum cost on various input parameters to the system is given. The impact of the result on an FFAG design for muon acceleration is discussed.
Date:
September 14, 2004
Creator:
Berg, J. S. & Palmer, R. B.
Object Type:
Article
System:
The UNT Digital Library
Crime and Forfeiture
This report provides information about Crime and Forfeiture. Forfeiture has been an effective law enforcement tool. Modern Forfeiture follows one of the two procedural routes.
Date:
December 14, 2004
Creator:
Doyle, Charles
Object Type:
Report
System:
The UNT Digital Library
Criticality Model
The ''Disposal Criticality Analysis Methodology Topical Report'' (YMP 2003) presents the methodology for evaluating potential criticality situations in the monitored geologic repository. As stated in the referenced Topical Report, the detailed methodology for performing the disposal criticality analyses will be documented in model reports. Many of the models developed in support of the Topical Report differ from the definition of models as given in the Office of Civilian Radioactive Waste Management procedure AP-SIII.10Q, ''Models'', in that they are procedural, rather than mathematical. These model reports document the detailed methodology necessary to implement the approach presented in the Disposal Criticality Analysis Methodology Topical Report and provide calculations utilizing the methodology. Thus, the governing procedure for this type of report is AP-3.12Q, ''Design Calculations and Analyses''. The ''Criticality Model'' is of this latter type, providing a process evaluating the criticality potential of in-package and external configurations. The purpose of this analysis is to layout the process for calculating the criticality potential for various in-package and external configurations and to calculate lower-bound tolerance limit (LBTL) values and determine range of applicability (ROA) parameters. The LBTL calculations and the ROA determinations are performed using selected benchmark experiments that are applicable to various waste forms …
Date:
September 14, 2004
Creator:
Alsaed, A.
Object Type:
Report
System:
The UNT Digital Library
[Cuba booth at 2004 Carnival]
A photograph of the Cuba booth at the 2004 Carnvial held by the UNT Multicultural Center for Hispanic Heritage Month. There is a poster, book, and paper flower on the table and a flag on the front of the table. A student is also seated at the table.
Date:
September 14, 2004
Creator:
University of North Texas. Multicultural Center.
Object Type:
Photograph
System:
The UNT Digital Library
The Cuero Record (Cuero, Tex.), Vol. 110, No. 2, Ed. 1 Wednesday, January 14, 2004
Weekly newspaper from Cuero, Texas that includes local, state, and national news along with advertising.
Date:
January 14, 2004
Creator:
Rea, Glenn
Object Type:
Newspaper
System:
The Portal to Texas History
The Cuero Record (Cuero, Tex.), Vol. 110, No. 15, Ed. 1 Wednesday, April 14, 2004
Weekly newspaper from Cuero, Texas that includes local, state, and national news along with advertising.
Date:
April 14, 2004
Creator:
Rea, Glenn
Object Type:
Newspaper
System:
The Portal to Texas History