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1/12-scale physical modeling experiments in support of tank 241-SY- 101 hydrogen mitigation
Hanford tank 241-SY-101 is a 75-ft-dia double-shell tank that contains approximately 1.1 M gal of radioactive fuel reprocessing waste. Core samples have shown that the tank contents are separated into two main layers, a article laden supernatant liquid at the top of the tank and a more dense slurry on the bottom. Two additional layers may be present, one being a potentially thick sludge lying beneath the slurry at the bottom of the tank and the other being the crust that has formed on the surface of the supernatant liquid. The supernatant is more commonly referred to as the convective layer and the slurry as the non-convective layer. Accumulation of gas (partly hydrogen) in the non-convective layer is suspected to be the key mechanism behind the gas burp phenomena, and several mitigation schemes are being developed to encourage a more uniform gas release rate (Benegas 1992). To support the full-scale hydraulic mitigation test, scaled experiments were performed to satisfy two objectives: 1. provide an experimental database for numerical- model validation; 2. establish operating parameter values required to mobilize the settled solids and maintain the solids in suspension.
Date:
January 1, 1993
Creator:
Fort, J. A.; Bamberger, J. A.; Bates, J. M.; Enderlin, C. W. & Elmore, M. R.
Object Type:
Report
System:
The UNT Digital Library
1/12-scale physical modeling experiments in support of tank 241-SY- 101 hydrogen mitigation. Final report
Hanford tank 241-SY-101 is a 75-ft-dia double-shell tank that contains approximately 1.1 M gal of radioactive fuel reprocessing waste. Core samples have shown that the tank contents are separated into two main layers, a article laden supernatant liquid at the top of the tank and a more dense slurry on the bottom. Two additional layers may be present, one being a potentially thick sludge lying beneath the slurry at the bottom of the tank and the other being the crust that has formed on the surface of the supernatant liquid. The supernatant is more commonly referred to as the convective layer and the slurry as the non-convective layer. Accumulation of gas (partly hydrogen) in the non-convective layer is suspected to be the key mechanism behind the gas burp phenomena, and several mitigation schemes are being developed to encourage a more uniform gas release rate (Benegas 1992). To support the full-scale hydraulic mitigation test, scaled experiments were performed to satisfy two objectives: 1. provide an experimental database for numerical- model validation; 2. establish operating parameter values required to mobilize the settled solids and maintain the solids in suspension.
Date:
January 1993
Creator:
Fort, J. A.; Bamberger, J. A.; Bates, J. M.; Enderlin, C. W. & Elmore, M. R.
Object Type:
Report
System:
The UNT Digital Library
[3 copies of LGPC agenda, January 12, 1993]
Agenda for a meeting of the Lesbian/Gay Political Coalition on January 12, 1993 (three copies).
Date:
January 12, 1993
Creator:
Lesbian/Gay Political Coalition of Dallas
Object Type:
Text
System:
The UNT Digital Library
9-1-1 Caller, Volume 5, Number 1, January/February 1993
Bimonthly newsletter of the Texas Advisory Commission on State Emergency Communications discussing news and activities of the organization as well as other information related to 9-1-1 services and other emergency communication within Texas.
Date:
January 1993
Creator:
Texas. Advisory Commission on State Emergency Communications.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
[919 S. Magnolia - I&GN Railroad Hospital]
Photograph of the front and north side of the International & Great Northern (I&GN) Railroad Hospital located at 919 S. Magnolia in Palestine, Texas. It is a three-story, metal-framed, brick-faced hospital along with an outbuilding (the Nurses' Home), visible on the right side of the image. The building has a box-like massing with some Classical Revival detailing, especially around the primary entrance. The wide, cast stone bands divide the exterior into three components and emphasize the horizontal massing of the building.
Date:
January 1993
Creator:
Moore, David
Object Type:
Photograph
System:
The Portal to Texas History
[10th annual "Black Music and the Civil Rights Movement Concert" audio tape 1]
Audio cassette from The Black Academy of Arts and Letters recorded during the 10th annual Black Music and the Civil Rights Movement Concert hosted by the Junior Black Academy of Arts and Letters on January 17, 1993 at the Morton H. Meyerson Symphony Center. The tape includes two well recorded tracks of gospel and jazz style music featuring Jennifer Holliday and a 200-voice choir.
Date:
January 17, 1993
Creator:
King, Curtis & Holliday, Jennifer
Object Type:
Sound
System:
The UNT Digital Library
[10th annual "Black Music and the Civil Rights Movement Concert" audio tape 2]
Audio cassette from The Black Academy of Arts and Letters recorded during the 10th annual Black Music and the Civil Rights Movement Concert hosted by the Junior Black Academy of Arts and Letters on January 17, 1993 at the Morton H. Meyerson Symphony Center. The tape includes two well recorded tracks of gospel and jazz style music featuring Jennifer Holliday and a 200-voice choir.
Date:
January 17, 1993
Creator:
King, Curtis
Object Type:
Sound
System:
The UNT Digital Library
[10th annual "Black Music and the Civil Rights Movement Concert" audio tape 2]
Audio cassette from The Black Academy of Arts and Letters recorded during the 10th annual Black Music and the Civil Rights Movement Concert hosted by the Junior Black Academy of Arts and Letters on January 17, 1993 at the Morton H. Meyerson Symphony Center. The tape includes two well recorded tracks of gospel and jazz style music featuring Jennifer Holliday and a 200-voice choir.
Date:
January 17, 1993
Creator:
King, Curtis
Object Type:
Sound
System:
The UNT Digital Library
[10th annual "Black Music and the Civil Rights Movement Concert" full performance]
Video recording from The Black Academy of Arts and Letters recorded during the 10th annual Black Music and the Civil Rights Movement Concert hosted by the Junior Black Academy of Arts and Letters on January 17, 1993 at the Morton H. Meyerson Symphony Center. The footage shows the concert featuring Jennifer Holliday who appears in a black dress embellished with a silver dot pattern and a 200-voice choir.
Date:
January 17, 1993
Creator:
unknown
Object Type:
Video
System:
The UNT Digital Library
[10th annual "Black Music and the Civil Rights Movement Concert" on U-Matic]
Video recording from The Black Academy of Arts and Letters recorded during the 10th annual Black Music and the Civil Rights Movement Concert hosted by the Junior Black Academy of Arts and Letters on January 17, 1993 at the Morton H. Meyerson Symphony Center. The U-Matic footage shows the second half of the concert featuring Jennifer Holliday who appears in a black dress embellished with a silver dot pattern and a 200-voice choir dressed in concert black.
Date:
January 17, 1993
Creator:
Holliday, Jennifer
Object Type:
Video
System:
The UNT Digital Library
[10th annual "Black Music and the Civil Rights Movement Concert" on U-Matic, part 2]
Video recording from The Black Academy of Arts and Letters recorded during the 10th annual Black Music and the Civil Rights Movement Concert hosted by the Junior Black Academy of Arts and Letters on January 17, 1993 at the Morton H. Meyerson Symphony Center. The U-Matic footage shows the second half of the concert featuring Jennifer Holliday who appears in a black dress embellished with a silver dot pattern and a 200-voice choir dressed in concert black. The tape concludes with interviews with audience members.
Date:
January 17, 1993
Creator:
Holliday, Jennifer
Object Type:
Video
System:
The UNT Digital Library
[10th annual "Black Music and the Civil Rights Movement Concert", part 2]
Video recording from The Black Academy of Arts and Letters recorded during the 10th annual Black Music and the Civil Rights Movement Concert hosted by the Junior Black Academy of Arts and Letters on January 17, 1993 at the Morton H. Meyerson Symphony Center. The footage shows the second half of the concert featuring Jennifer Holliday who appears in a black dress embellished with a silver dot pattern and a 200-voice choir dressed in concert black.
Date:
January 17, 1993
Creator:
Holliday, Jennifer
Object Type:
Video
System:
The UNT Digital Library
[10th annual "Black Music and the Civil Rights Movement Concert" tape 1]
Video recording from The Black Academy of Arts and Letters recorded during the 10th annual Black Music and the Civil Rights Movement Concert hosted by the Junior Black Academy of Arts and Letters on January 17, 1993 at the Morton H. Meyerson Symphony Center. The footage shows a portion of the concert featuring Jennifer Holliday who appears in a black dress embellished with a silver dot pattern and a 200-voice choir. The tape cuts to black following Holliday walking off stage at the 55:21 minute mark.
Date:
January 17, 1993
Creator:
Holliday, Jennifer
Object Type:
Video
System:
The UNT Digital Library
34th Annual Report
The ACIR Library is composed of publications that study the interactions between different levels of government. This document is an annual report.
Date:
January 1993
Creator:
United States. Advisory Commission on Intergovernmental Relations.
Object Type:
Book
System:
The UNT Digital Library
Ab initio molecular orbital calculations of molten salt vapor complexes using Gaussian-2 theory: LiAlF[sub 4] and NaAlF[sub 4]
The structures and energies of the molten salt vapor complexes LiAlF[sub 4] and NaAlF[sub 4] are studied using new high level ab initio molecular orbital methods. The structures are determined using Moller-Plesset perturbation theory to second-order and the total energies are determined using a recently introduced modification of Gaussian-2 (G2) theory. The total energies are used to determine relative energies of the corner-, edge-, and face-bridged structures and accurate reaction energies. The results are compared to previous theoretical and experimental studies.
Date:
January 1, 1993
Creator:
Curtiss, L.A.
Object Type:
Article
System:
The UNT Digital Library
[Abilene City Council Minutes: 1993]
Ledger containing minutes of the City Council in Abilene, Texas documenting the group's discussions and activities from January 4, 1993 to December 16, 1993.
Date:
1993-01-04/1993-12-16
Creator:
Abilene (Tex.)
Object Type:
Book
System:
The Portal to Texas History
Abilene Philharmonic Playbill: January 23, 1993
Program for an Abilene Philharmonic concert that ran from January 23rd to February 27th during the 43rd season. It includes information about the pieces performed, artists and musicians, and advertising from local companies.
Date:
January 1993
Creator:
Abilene Philharmonic
Object Type:
Pamphlet
System:
The Portal to Texas History
Abort interlock diagnostic for protection of APS vacuum chamber
The Advanced Photon Source (APS) vacuum system has been designed to be passively safe from bending magnet radiation heating at positron beam currents up to 30 mA. Above this value, certain components may be damaged from vertical beam missteering, although work is proceeding to raise the safe current threshold. Because of this, a system for preventing the misalignment of high power density beams is required. This report details a system for protection from dipole radiation only. Work on a system for ID radiation is continuing.
Date:
January 1, 1993
Creator:
Decker, G.
Object Type:
Article
System:
The UNT Digital Library
Accelerator and Beam Transport Design Information
This report contains viewgraphs on accelerator design and physics.
Date:
January 1, 1993
Creator:
Lawrence, George
Object Type:
Article
System:
The UNT Digital Library
Accelerator Research Studies
The Accelerator Research Studies program at the University of Maryland, sponsored by the Department of Energy under grant number DE-FG05-91ER40642, is currently in the second year of a three-year funding cycle. The program consists of the following three tasks: TASK A, Study of Transport and Longitudinal Compression of Intense, High-Brightness Beams,'' (P.I., M. Reiser); TASK B, Study of Collective Ion Acceleration by Intense Electron Beams and Pseudospark Produced High Brightness Electron Beams,'' (Co-P.I.'s, W.W. Destler, M. Reiser, M.J. Rhee, and C.D. Striffler); TASK C, Study of a Gyroklystron High-Power Microwave Source for Linear Colliders,'' (Co-P.I.'s, V.L. Granatstein, W. Lawson, M. Reiser, and C.D. Striffler). In this report we document the progress that has been made during the past year for each of the three tasks.
Date:
January 1, 1993
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Acceptance criteria for corroded carbon steel piping containing weld defects
Acceptance criteria for corroded low temperature, low pressure carbon steel piping containing weld defects is presented along with a typical application of these criteria. They are intended to preclude gross rupture or rapidly propagating failure due to uniform wall thinning, local wall thinning, pitting corrosion and weld defects. The minimum allowable uniform wail thickness is based on the code-of-record allowable stress and fracture criteria. Weld defects are postulated as potential sites for fracture initiation. CEGB/R6 failure assessment diagram is used as the fracture criteria to determine the minimum allowable wall thickness. Design of a large portion of the low temperature, low pressure piping is dominated by axial stresses. Existing local wall thinning acceptance criteria address high pressure piping where hoop stress dominates the design. The existing criteria is over conservative, in some cases, when used on low pressure piping. Local wall thinning criteria is developed to limit the axial stress on the locally thinned section, based on a reduced average thickness. Limits on pit density are also developed to provide acceptance criteria for pitted piping.
Date:
January 1, 1993
Creator:
Mertz, G. E.; Lam, P. S. & Awadalla, N. G.
Object Type:
Article
System:
The UNT Digital Library
Accessing Integrated Genomic Data Using GenoBase: A Tutorial, Part 1
GenoBase integrates genomic information from many existing databases, offering convenient access to the curated data. This document is the first part of a two-part tutorial on how to use GenoBase for accessing integrated genomic data.
Date:
January 1, 1993
Creator:
Overbeek, R. & Price, M.
Object Type:
Report
System:
The UNT Digital Library
Accessing Integrated Genomic Data Using Genobase: A Tutorial, Part 1
GenoBase integrates genomic information from many existing databases, offering convenient access to the curated data. This document is the first part of a two-part tutorial on how to use GenoBase for accessing integrated genomic data.
Date:
January 1, 1993
Creator:
Overbeek, R. & Price, M.
Object Type:
Report
System:
The UNT Digital Library
Accuracy of Reservoir Predictions for the Nesjavellir Geothermal Field, Iceland
The performance of the 1986 three-dimensional numerical model of the Nesjavellir geothermal field for predicting the deliverabilities and pressure decline of the wells during the period 1987 through 1991 is investigated. The model predicted adequately the flow rate and enthalpy transients of most wells, but overpredicted the pressure decline by 3 to 4 bars.
Date:
January 28, 1993
Creator:
Bodvarsson, G. S.; Gislason, G.; Gunnlaugsson, E.; Sigurdsson, O.; Stefansson, V. & Steingrimsson,B.
Object Type:
Article
System:
The UNT Digital Library