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SIAM Workshop on Combinatorial Scientific Computing February 27-28, 2004 San Francisco, CA
None
Date:
October 4, 2004
Creator:
/a, n
Object Type:
Report
System:
The UNT Digital Library
TRANSPORTATION SYSTEM REQUIREMENTS DOCUMENT
None
Date:
December 22, 2004
Creator:
/a, n
Object Type:
Report
System:
The UNT Digital Library
Ensemble: 2004-03-27 - 7th Annual African Cultural Festival
Access:
Use of this item is restricted to the UNT Community
Concert presented at the UNT College of Music Winspear Performance Hall.
Date:
March 27, 2004
Creator:
7th Annual African Cultural Festival
Object Type:
Sound
System:
The UNT Digital Library
Plasma Micro-Stability Analysis for the RHIC Electron Beam Cooler
N/A
Date:
January 1, 2004
Creator:
A., Hershcovitch
Object Type:
Report
System:
The UNT Digital Library
Cancellation of the Chromatic Effects with proper Field Profile
N/A
Date:
April 1, 2004
Creator:
A., Ruggiero
Object Type:
Report
System:
The UNT Digital Library
Feasibility Study of a 1.5-GeV Proton FFAG in the AGS Tunnel
N/A
Date:
June 1, 2004
Creator:
A., Ruggiero
Object Type:
Report
System:
The UNT Digital Library
Pump Side-scattering in Ultra-powerful Backward Raman Amplifiers
Extremely large laser power might be obtained by compressing laser pulses through backward Raman amplification (BRA) in plasmas. Premature Raman backscattering of a laser pump by plasma noise might be suppressed by an appropriate detuning of the Raman resonance, even as the desired amplification of the seed persists with a high efficiency. In this paper, we analyze side-scattering of laser pumps by plasma noise in backward Raman amplifiers. Though its growth rate is smaller than that of backscattering, the side-scattering can nevertheless be dangerous, because of a longer path of side-scattered pulses in plasmas and because of an angular dependence of the Raman resonance detuning. We show that side-scattering of laser pumps by plasma noise in BRA might be suppressed to a tolerable level at all angles by an appropriate combination of two detuning mechanisms associated with plasma density gradient and pump chirp.
Date:
March 2, 2004
Creator:
A.A. Solodov, V.M. Malkin, and N.J. Fisch
Object Type:
Report
System:
The UNT Digital Library
Using GIS to Identify Remediation Areas in Landfills
This paper reports the use of GIS mapping software—ArcMap and ArcInfo Workstation—by the Idaho National Engineering and Environmental Laboratory (INEEL) as a non-intrusive method of locating and characterizing radioactive waste in a 97-acre landfill to aid in planning cleanup efforts. The fine-scale techniques and methods used offer potential application for other burial sites for which hazards indicate a non-intrusive approach. By converting many boxes of paper shipping records in multiple formats into a relational database linked to spatial data, the INEEL has related the paper history to our current GIS technologies and spatial data layers. The wide breadth of GIS techniques and tools quickly display areas in need of remediation as well as evaluate methods of remediation for specific areas as the site characterization is better understood and early assumptions are refined.
Date:
August 1, 2004
Creator:
A.Tedrow, Linda
Object Type:
Article
System:
The UNT Digital Library
Simulation of a Production Facility with an Automated Transport System
A model was needed to assess material throughput and validate the conceptual design of a production facility, including equipment lists and layout. The initial desire was to use a commercially available discrete event simulation package. However, the available software was found to be too limited in capability. Database interface software was used to develop autonomous intelligent manufacturing workstations and material transporters. The initial Extend model used to assess material throughput and develop equipment lists for the preconceptual design effort was upgraded with software add-ons from Simulation Dynamics, Inc. (SDI). Use of the SDI database interface allowed the upgraded model to include: 1. a material mass balance at any level of detail required by the user, and 2. a transport system model that includes all transport system movements, time delays, and transfers between systems. This model will assist in evaluating transport system capacity, sensitive time delays in the system, and optimal operating strategies. An additional benefit of using the SDI database interface is dramatically improved run time performance. This allows significantly more runs to be completed to provide better statistics for overall plant performance. The model has all system and process parameters entered into sub-component accessible tables. All information for the …
Date:
April 7, 2004
Creator:
ABRAMCZYK, GLENN
Object Type:
Report
System:
The UNT Digital Library
[Project Summary: Deepwater Program: The Technology and Economics of Deepwater Production Projects]
Report summary describing the work completed at ABS Group, Inc. for 'Deepwater Program: The Technology and Economics of Deepwater Production Projects'. It includes background information on the project funding and sponsorship, goals, methodology, and findings.
Date:
May 2004
Creator:
ABS Group, Inc.
Object Type:
Text
System:
The UNT Digital Library
A MOBILE MELT-DILUTE MODULE FOR THE TREATMENT OF ALUMINUM RESEARCH REACTOR SPENT FUEL
A mobile melt-dilute (MMD) module for the treatment of aluminum research reactor spent fuel is being developed jointly by the Savannah River National Laboratory and Argonne National Laboratory. The process uses a closed system approach to retain fission products/gases inside a sealed canister after treatment. The MMD process melts and dilutes spent fuel with depleted uranium to obtain an isotopic content of less than 20 percent. The final ingot is solidified inside the sealed canister and can be stored safely either wet or dry until final disposition or reprocessing. The MMD module can be staged at or near the research reactor fuel storage sites to facilitate the melt-dilute treatment of the spent fuel into a stable non-proliferable form.
Date:
November 3, 2004
Creator:
ADAMS, THAD
Object Type:
Article
System:
The UNT Digital Library
Sorption of Cesium From Aqueous Waste Solution on SuperLig 644 Resin
The removal of cesium from aqueous waste solution was investigated in a column setup using SuperLig(R) 644 resin. The resin was significantly coarser in size than those used in previous studies because of hydraulic problems encountered during pilot-scale tests. The bed volume (BV = 140) at the onset of breakthrough surpassed the design requirement of 100 BV at 50 percent breakthrough. The percent of cesium removed by the resin at the onset of breakthrough was 99.96. The elution of cesium with 0.5 M HNO3 was satisfactory with a peak BV of 2.5. The elution BV for C/Co = 0.01 was 10, which is less than the target of 15 BV. The percent of sorbed cesium eluted from the resin was 99.88 percent. In addition, the BV of the various solutions used for the supporting process steps (feed displacement, post-feed displacement rinse, post-elution rinse, and regeneration) of the cesium ion exchange system was sufficient.
Date:
August 24, 2004
Creator:
ADU-WUSU, KOFI
Object Type:
Article
System:
The UNT Digital Library