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Notes on Luminosity Variation at ISABELLE
In the present ISABELLE design, the luminosity at each insertion will be the same, unless special efforts are taken to get a low-..beta.. insertion or reduced crossing angle. These can only change the luminosity by factors of 2 to 4 from insertion to insertion. An estimation of the range of desired luminosities is given.
Date:
October 19, 1977
Creator:
Herrera, J. C.; Marx, M.; Roe, B. & Rosenberg, E. I.
Object Type:
Article
System:
The UNT Digital Library
Effect of strain-gage surface preparation techniques on beryllium
Beryllium is a metal sensitive to machining damage, causing a loss in mechanical properties. Since some mechanical abrading is often used in surface preparation for mounting strain gages, it is desirable to know whether the abrading produces flaws. Metallographic study of beryllium subjected to four different surface preparation methods was carried out. It was determined that the gentle abrading necessary for affixing strain gages produced a negligible density and depth of flaws and did not lower the mechanical properties. 5 figures, 2 tables.
Date:
September 19, 1977
Creator:
Hanafee, J. E.; Hughes, Jr., J. W. & McInturff, S. A.
Object Type:
Report
System:
The UNT Digital Library
Tokamak Fusion Test Reactor neutral beam injection system vacuum chamber
Most of the components of the Neutral Beam Lines of the Tokamak Fusion Test Reactor (TFTR) will be enclosed in a 50 cubic meter box-shaped vacuum chamber. The chamber will have a number of unorthodox features to accomodate both neutral beam and TFTR requirements. The design constraints, and the resulting chamber design, are presented.
Date:
October 19, 1977
Creator:
Pedrotti, L.R.
Object Type:
Article
System:
The UNT Digital Library
Performance of Argus as a laser fusion facility
During the fifteen months that the Argus laser facility has been operating we have had two primary goals. These are: (1) to provide focusable, well characterized, high power beams for laser fusion experiments and (2) to further understand the propagation of high power and energy pulses. The propagation experiments have already led to increases in the laser output power and system reliability. Pulses appropriate for advanced targets are shaped to optimize the compression and heating of the target. In general they stress the laser in both limits of energy and power. In this work several results significant to the laser fusion program were realized. The neutron output of fusion targets increased by almost two orders of magnitude to more than 10/sup 9/ neutron/shot. An improved beam propagation technique (image relaying) was developed and partially implemented. It increased the focusable output power for short pulses (30-100 ps) to more than 4.0 TW. More than one kilojoule/beam was extracted from the laser in a high quality beam in a one nanosecond Gaussian pulse. A complex two step optical pulse was generated and successfully amplified to peak powers of more than 3.0 TW. The most recent of the system upgrades are complete image …
Date:
September 19, 1977
Creator:
Speck, D. R.; Simmons, W. W.; Hunt, J. T.; Boyle, M. J.; Rainer, F.; Storm, E. K. et al.
Object Type:
Article
System:
The UNT Digital Library
Use of x-ray imaging on laser fusion experiments
A variety of x-ray imaging techniques have been used to study the absorption, transport and implosion characteristics of exploding pusher microsphere targets irradiated with 1.06 ..mu..m light. Multichannel grazing incidence reflection microscopy, zone plate coded imaging and spatially resolved x-ray spectroscopy have observed the thermal and suprathermal x-ray emission associated with these phenomena. A second generation of x-ray imaging devices, designed for forthcoming high density implosion experiments, including axisymmetric x-ray microscopes and 1- and 2-D crystal line imaging devices, will also be briefly discussed.
Date:
September 19, 1977
Creator:
Boyle, M. J.; Attwood, D. T.; Ceglio, N. M.; Koppel, L. N.; Slivinsky, V. W.; Larsen, J. T. et al.
Object Type:
Article
System:
The UNT Digital Library
Delay line proportional chambers for the Fermilab external muon identifier
Thirty-nine one meter square proportional chambers with delay line readout were constructed for the external muon identifier of the Fermilab 15 foot bubble chamber. They provide X,Y,U(45/sup 0/) and T (avalanche time) information using a single wire plane, etched strip cathodes and nine amplifiers. They have a time resolution of +-27ns, single particle spatial resolution of +-2 to +-3mm and double particle resolution of approximately 2/sup 1///sub 2/ to 4cm. The energy accessible to each wire is limited so none of the wires in the first 25 chambers has broken since their installation in 1973 to 1974.
Date:
October 19, 1977
Creator:
Parker, S.; Orthel, J. & Marriner, J.
Object Type:
Article
System:
The UNT Digital Library
Conceptual design and systems analysis of photovoltaic systems. Volume I. Study summary. Final report
This investigation of terrestrial PV systems considered the technical and economic feasibility for systems in three size categories: a small system of about 12 kW peak output for on-site residential use; a large 1500 MW central power plant contributing to the bulk energy of a utility system power grid; and an intermediate size system of about 250 kW for use on public or commercial buildings. In each category, conceptual designs were developed, performance was analyzed for a range of climatic regions, economic analyses were performed, and assessments were made of pertinent institutional issues. The report consists of three volumes. This volume contains a Study Summary of the major study results. Volume II contains the detailed results pertaining to on-site residential photovoltaic systems, central power plant photovoltaic systems, and intermediate size systems applied to commercial and public buildings. Volume III contains supporting appendix material. (WHK)
Date:
March 19, 1977
Creator:
Kirpich, A.
Object Type:
Report
System:
The UNT Digital Library
X-ray lines as a density diagnostic in DT plasmas near 100x solid density
The use of electron impact broadened resonance lines to diagnose near-term high density diagnostics is discussed. In particular, the question of how to choose seed and pusher materials to have discernible broadening effects while maintaining line visibility is discussed.
Date:
October 19, 1977
Creator:
Bailey, D.S.
Object Type:
Article
System:
The UNT Digital Library
Conceptual design and systems analysis of photovoltaic systems. Volume II. Study results. Final report
This investigation of terrestrial PV systems considered the technical and economic feasibility for systems in three size categories: a small system of about 12 kW peak output for on-site residential use; a large 1500 MW central power plant contributing to the bulk energy of a utility system power grid; and an intermediate size system of about 250 kW for use on public or commercial buildings. In each category, conceptual designs were developed, performance was analyzed for a range of climatic regions, economic analyses were performed, and assessments were made of pertinent institutional issues. The report consists of three volumes. Volume I contains a Study Summary of the major study results. This volume contains the detailed results pertaining to on-site residential photovoltaic systems, central power plant photovoltaic systems, and intermediate size systems applied to commercial and public buildings. Volume III contains supporting appendix material. (WHK)
Date:
March 19, 1977
Creator:
Kirpich, A.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0093.0353]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Mrs. Daisy Dean Blankenship, 83, mother of G.T. Blankenship, former Oklahoma attorney general, died today at Northwest Nursing Home after a long illness."
Date:
January 19, 1977
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Coaches' Film: North Texas State University vs. Louisiana Tech, 1977]
Partial footage of the 1977 football game between North Texas State University and Louisiana Tech in Denton, Texas, shot for coaching purposes. The game was held on November 19, 1977 and the final score was 41-14, North Texas.
Date:
November 19, 1977
Creator:
unknown
Object Type:
Video
System:
The UNT Digital Library
[Photograph 2012.201.B0162.0372]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Norman R. Dillard, Hefner Junior High Principal, played Santa the other day for more than 100 Walnut Grove Head Start Students."
Date:
December 19, 1977
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0166.0630]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
January 19, 1977
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0137.0149]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Westside business and Professional Women's Club recently selected Rosemary Clevenger, center, as its Woman of the Year at a dinner held at Furr's French Market Mall Cafeteria."
Date:
July 19, 1977
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0134.0358]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Although Thanksgiving is still ahead, Christmas trees have sprouted in some roadside stands and nurseries in Edmond."
Date:
November 19, 1977
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0148.0067]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Last week Bill Crawford's family had a surprise party in his honor to celebrate his 46th birthday and another special occasion."
Date:
November 19, 1977
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0138.0130]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
August 19, 1977
Creator:
Southerland, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0312B.0196]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
January 19, 1977
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0312B.0197]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. Dale Jordan, center, chats before his speech with Junior League members, Mrs. Joe Rockett, left, and Mrs. John Dobson, right."
Date:
January 19, 1977
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[News Clip: Attack]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 19, 1977, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
Reports distributed under the NRC Light-Water Reactor Safety Research Foreign Technical Exchange Program. Volume III, January--June 1977
Lists of documents exchanged during the first half of 1977 under agreements between the U.S. Nuclear Regulatory Commission's Office of Nuclear Regulatory Research and the governments of France, Federal Republic of Germany, and Japan are presented. During this period, the NRC received 41 reports from France, 29 from F. R. Germany, and 24 from Japan, and in return sent 107 U.S. reports to each of these three countries.
Date:
September 19, 1977
Creator:
Sharp, D. S. & Cottrell, W. B.
Object Type:
Report
System:
The UNT Digital Library
Neutral beam injection system for the Tokamak Fusion Test Reactor
The Tokamak Fusion Test Reactor will be installed at the Princeton Plasma Physics Laboratory facility. This is a major step to reach the goal of fusion power using toroidal magnetic fields for plasma confinement. A major part of this test reactor will be four neutral beam injection systems. These systems will inject 20 MW of 120 kV neutral deuterium atoms into the plasma for 0.5 seconds. In order to achieve the required power input to the plasma, several systems are required within the neutral beam line. These are the source, neutralizer, ion deflection magnet, calorimeter and retraction system, ion dump, cryopumps and vacuum enclosure. All of these systems have constraints imposed which increase the complexity of their designs. Since all systems must operate in a tritium environment, remote handling capabilities must be incorporated into the design. An overview is presented of the Lawrence Livermore Laboratory/Lawrence Berkeley Laboratory Neutral Beam Injection System design. Specifications for the machine and a general description of the total system are presented.
Date:
October 19, 1977
Creator:
Pittenger, L.C.; Stone, R.R.; Valby, L.E. & Pedrotti, L.R.
Object Type:
Article
System:
The UNT Digital Library
System design for the new TMX machine
The Tandem Mirror Experiment (TMX) is designed to test the physics of a new approach to Q-enhancement in open confinement systems. In the tandem mirror concept, the ends of a long solenoid are plugged electrostatically by means of ambipolar potential barriers created in two mirror machines or plugs, one at each end of the solenoid. The ambipolar potential in mirror machines develops as a consequence of the higher scattering rate of electrons and the balancing of electron and ion loss rates. The TMX experiment incorporates very few new engineering developments, but it does involve a new way of combining in an integrated system many previously developed ideas. The engineering task is to design the machine that would provide a proof-of-principle evaluation of the tandem mirror concept as rapidly as possible. The preliminary design was started in September 1976 and was completed by December 1976. It led to a cost estimate of $11 million and a scheduled construction period of 18 months.
Date:
October 19, 1977
Creator:
Chargin, A. K.; Calderon, M. O.; Mooney, L. J. & Vogtlin, G. E.
Object Type:
Article
System:
The UNT Digital Library
[Photograph 2012.201.B0309B.0019]
Photograph used for a story in the Daily Oklahoman newspaper.
Date:
September 19, 1977
Creator:
Southerland, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History