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Progress on axicell MFTF-B superconducting magnet systems
Since the entire Mirror Fusion Test Facility (MFTF-B) Magnet System was reconfigured from the original A-cell to an axicell design, much progress has been made on the design, fabrication, and installation planning. The axicell MFTF-B magnet array consists of a total of 26 large superconducting main coils. This paper provides an engineering overview of the progress of these coils. Recent studies on the effects of field errors on the plasma at the recircularizing region (transition coils) show that small field errors will generate large displacements of the field lines. These field errors might enhance radial electron heat transport and deteriorate the plasma confinement. Therefore, 16 superconducting trim coils have been designed to correct the coil misalignments. Progress of the trim coils are reported also.
Date:
November 14, 1983
Creator:
Wang, S. T.; Kozman, T. A.; Hanson, C. L.; Shimer, D. W.; VanSant, J. H. & Zbasnik, J.
Object Type:
Article
System:
The UNT Digital Library
[Photograph 2012.201.B0109.0083]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "David Brooks Jr., waits patiently on the aphaeresis machine"
Date:
April 14, 1983
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0110.0514]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "James Brown, McAlester City Council"
Date:
January 14, 1983
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0174.0209]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "The Stratford House Inn, a 40 unit motel, is Edmond's newest motel at 3020 S Broadway."
Date:
June 14, 1983
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0171.0559]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "A. C. Eason says his truck's no good and parked it fro three days in front of the dealership where he bought it."
Date:
June 14, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0164.0500]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Ginger the Collie...a legend"
Date:
July 14, 1983
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0152.0853]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Ryan Dalrymple is stranded nine stories up."
Date:
November 14, 1983
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0137.0138]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Vietra Watson and Derrick Wilson, front, plant rotunda holly while Ed Reeden, landscape designer with Oklahoma Public Schools, and Alice Johnson, of the Cleveland Neighborhood Association watch."
Date:
March 14, 1983
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0138.0017]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
September 14, 1983
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0139.0643]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Ferman collier"
Date:
January 14, 1983
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0136.0722]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
September 14, 1983
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0144.0552]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "John Cothran was hired to replace the late Kevin Simmons."
Date:
January 14, 1983
Creator:
Lynn, Renee
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0312B.0140]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Mrs. Wilbur (Kay) Jones, City"
Date:
March 14, 1983
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0312B.0141]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Wilbur checks one of the two 18-unit purple martin houses he built and installed in his back yard."
Date:
March 14, 1983
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0325.0146]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
October 14, 1983
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0325.0148]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
October 14, 1983
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Polarizing holographic reflector for electron cyclotron resonant heating (ECRH) on the Tandem Mirror Experiment Upgrade (TMX-U)
A reflector for electron cyclotron resonant heating on the Tandem Mirror Experiment Upgrade has been designed to convert the high-power TE/sub 01/ output of the circular waveguide system into a linearly polarized gaussian intensity pattern in the plasma. The reflector is a computer-generated holographic optical element with a twist polarizer. Its design, fabrication, and performance are discussed. Results of the low- and high-power tests are presented. Low-power tests were used to determine the beam pattern and the degree of cross-polarization. High-power tests verified that arcing across the grooves of the twist polarizer does not occur.
Date:
November 14, 1983
Creator:
Coffield, F.E.; Felker, B.; Gallagher, N.C. Jr.; Pedrotti, L.R.; Stallard, B.W.; Sweeney, D.W. et al.
Object Type:
Article
System:
The UNT Digital Library
Effect of small additions of silicon, iron, and aluminum on the room-temperature tensile properties of high-purity uranium
Eleven binary and ternary alloys of uranium and very low concentrations of iron, silicon, and aluminum were prepared and tested for room-temperature tensile properties after various heat treatments. A yield strength approximately double that of high-purity derby uranium was obtained from a U-400 ppM Si-200 ppM Fe alloy after beta solution treatment and alpha aging. Higher silicon plus iron alloy contents resulted in increased yield strength, but showed an unacceptable loss of ductility.
Date:
November 14, 1983
Creator:
Ludwig, R.L.
Object Type:
Report
System:
The UNT Digital Library
Issues in radioactivity for fusion energy: remote maintenance rating
Recent technical progress in fusion research has been sufficient to encourage the development of conceptual designs for fusion power systems. These design efforts suggest that more attention should be paid to the safety and environmental effects of the radioactivity induced in the structural materials by the fusion neutrons. In particular, radioactivity from neutron activation of the structural components of a fusion power system will be a concern for occupational exposure of personnel. Careful choice of structural materials can significantly reduce this exposure. We propose the Remote Maintenance Rating (RMR) as a numerical means of comparing materials and machine designs with respect to occupational exposures. The RMR is defined as the dose rate at the surface of a uniformly activated, thick, infinite slab with the same composition and density as the machine component. We used the RMR rating system to evaluate the suitability of several different iron-based alloys. The specific fusion power system design used in our evaluation was a conceptual design from the Mirror Advanced Reactor Study (MARS). We determined that HT-9 is significantly better in terms of radiological dose rates at early times than the other iron-based alloys (by a factor of 3 to 7). We also calculated the …
Date:
September 14, 1983
Creator:
Dorn, D.W. & Maninger, R.C.
Object Type:
Article
System:
The UNT Digital Library
[Photograph 2012.201.B0272.0318]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Muriel Hyroop, Patty Turner and Nancy Hughes look at some of the gifts given to Nancy Hyroop for her birthday."
Date:
June 14, 1983
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0333.0230]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
July 14, 1983
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0316B.0078]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Mary Warren, Mike Johnson, president of board of directors, Kay Brown and Sharon Hodder, vice president of board of directors, visit at an open house of Family Junction."
Date:
April 14, 1983
Creator:
Gooch, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0335.0011]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Dr. and Mrs. William Kirkham"
Date:
December 14, 1983
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0335.0165]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Jeane Kirkpatrick, U. S. ambassador to the United Nations, addresses O U graduates."
Date:
May 14, 1983
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History