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A 5-cm dipole for the SSC-DE-1
A 5cm SSC superconducting dipole that develops 6.6 tesla at 5790 A is proposed. The two layer magnet has 12% more transfer function than the present design as a result of using thin collars and close in'' iron. The thin collars provide precise positioning of the coils; they also provide minimum prestress (perhaps 2000 psi) as aid for magnet assembly. A welded skin around the iron provides the final prestress and shapes and the coil geometry. A prestressed aluminum bar placed between the vertically split iron yokes provides precise control of the gap between yokes halves and is designed to allow gap to close tightly during cooldown so that there is no decrease of prestress. In order to reduce the effect of iron saturation on the field multipoles the iron ID has been optimized to an elliptical shape. The coil inner layer is a 30 strand cable with 1.3:1 cu/sc. The outer layer is a 36 strand cable wit 1.8:1 cu/sc. At the operating field of 6.6 tesla the current density in the copper is 666 A/mm{sup 2} and 760 A/mm{sup 2} in the inner and outer layers respectively. The magnet short sample performance is limited by the inner layer. …
Date:
April 30, 1990
Creator:
Caspi, S.
Object Type:
Report
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 18, No. 23, Ed. 1 Friday, March 30, 1990
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 30, 1990
Creator:
MacArthur, Hazel
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 19, No. 12, Ed. 1 Friday, November 30, 1990
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
November 30, 1990
Creator:
MacArthur, Hazel
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
3D Particle Simulation of Beams Using the Warp Code: Transport Around Bends
WARP is a discrete-particle simulation program which was developed for studies of space charge dominated ion beams. It combines features of an accelerator code and a particle-in-cell plasma simulation. The code architecture, and techniques employed to enhance efficiency, are briefly described. Current applications are reviewed. In this paper we emphasize the physics of transport of three-dimensional beams around bends. We present a simple bent-beam PIC algorithm. Using this model, we have followed a long, thin beam around a bend in a simple racetrack system (assuming straight-pipe self-fields). Results on beam dynamics are presented; no transverse emittance growth (at mid-pulse) is observed. 11 refs., 5 figs.
Date:
November 30, 1990
Creator:
Friedman, A.; Grote, D. P.; Callahan, D. A.; Langdon, A. B. & Haber, I.
Object Type:
Article
System:
The UNT Digital Library
3D simulations of axially confined heavy ion beams in round and square pipes
We have been using the 3d PIC code WARP6 to model the behavior of beams in a heavy ion induction accelerator; such linacs are candidates for an ICF driver. Improvements have been added to the code to model an axially confined beam using comoving axial electric fields to simulate the confining ears'' applied to the accelerating pulses in a real system. We have also added a facility for modeling a beam in a round pipe, applying a capacity matrix to each axial Fourier mode in turn. These additions are described along with results, such as the effect of pipe shape on the beam quality degradation from quadrupole misalignments. 4 refs., 6 figs., 1 tab.
Date:
November 30, 1990
Creator:
Grote, D. P.; Friedman, A. (Lawrence Livermore National Lab., CA (USA)) & Haber, I. (Naval Research Lab., Washington, DC (USA))
Object Type:
Article
System:
The UNT Digital Library
Action plan for the Tiger Team assessment report
This document contains responses and planned actions that address the findings of the Tiger Team Assessment of Brookhaven National Laboratory, June 1990. In addition, the document contains descriptions of the management and organizational structure to be used in conducting planned actions, root causes for the problems identified in the findings, responses, planned actions, schedules and milestones for completing planned actions, and, where known, costs associated with planned actions.
Date:
August 30, 1990
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
[AIDS ARMS Network board of directors meeting minutes]
Meeting minutes for the AAN board of directors meeting dated March 30, 1990.
Date:
March 30, 1990
Creator:
AIDS ARMS Network, Inc.
Object Type:
Text
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 115, No. 12, Ed. 1 Thursday, August 30, 1990
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
August 30, 1990
Creator:
Lucas, Donnie A.
Object Type:
Newspaper
System:
The Portal to Texas History
The Allen American (Allen, Tex.), Vol. 21, No. 43, Ed. 1 Wednesday, May 30, 1990
Semiweekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date:
May 30, 1990
Creator:
Hutchison, Mark
Object Type:
Newspaper
System:
The Portal to Texas History
The Allen American (Allen, Tex.), Vol. 21, No. 78, Ed. 1 Sunday, September 30, 1990
Semiweekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date:
September 30, 1990
Creator:
Hutchison, Mark
Object Type:
Newspaper
System:
The Portal to Texas History
The Allen American (Allen, Tex.), Vol. 21, No. 104, Ed. 1 Sunday, December 30, 1990
Semiweekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date:
December 30, 1990
Creator:
Hutchison, Mark
Object Type:
Newspaper
System:
The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 68, No. 26, Ed. 1 Tuesday, January 30, 1990
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 30, 1990
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 68, No. 77, Ed. 1 Friday, March 30, 1990
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 30, 1990
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 68, No. 103, Ed. 1 Monday, April 30, 1990
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 30, 1990
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 68, No. 129, Ed. 1 Wednesday, May 30, 1990
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
May 30, 1990
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 68, No. 181, Ed. 1 Monday, July 30, 1990
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 30, 1990
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 68, No. 208, Ed. 1 Thursday, August 30, 1990
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 30, 1990
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 68, No. 234, Ed. 1 Sunday, September 30, 1990
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 30, 1990
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 90, No. 197, Ed. 1 Tuesday, October 30, 1990
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 30, 1990
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 90, No. 224, Ed. 1 Friday, November 30, 1990
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 30, 1990
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 90, No. 248, Ed. 1 Sunday, December 30, 1990
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 30, 1990
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Ammonium silicate diagenesis and its influence on the interpretation of fixed-ammonium anomalies as an exploration tool
The study of nitrogen (NH{sub 4}{sup +}) diagenesis associated with hydrocarbon occurrences is intended to aid in predicting favorable areas of petroleum exploration and recovery by establishing a better understanding of the interaction of organic maturation products with clastic sedimentary sequences. This research has indicated that fixed-NH{sub 4} in clays preserves anomalous NH{sub 4}{sup +} abundances, thus recording a significant reaction in the maturation of hydrocarbons which correlates with the oil window. Fixed-NH{sub 4} concentrations are independent of total organic carbon content, but increase with organic maturity in source rocks (up to T{approx}140 C). The authors have found anomalously high fixed-NH{sub 4} concentrations in oil and gas reservoirs, and in sandstones that may have acted as migration conduits for a nearby oilfield. The remainder of the project period will be spent completing publications, and finalizing the interpretation of results on fixed-NH{sub 4} in the Salton Sea (SSDP) and Monterey Fm. The data that authors have collected from these areas will allow them to examine the effect of high temperatures and high-N organic matter (prevalent on the west coast) on levels of NH{sub 4}-fixation. The authors will also develop some preliminary ideas on the mechanism of NH{sub 4}{sup +} oxidation responsible …
Date:
November 30, 1990
Creator:
Williams, L.B. & Ferrell, R.E. Jr.
Object Type:
Report
System:
The UNT Digital Library
Archer County News (Archer City, Tex.), No. 35, Ed. 1 Thursday, August 30, 1990
Weekly newspaper from Archer City, Texas that includes local, state, and national news along with advertising.
Date:
August 30, 1990
Creator:
Lobpries, F. Mike & Lobpries, Fran
Object Type:
Newspaper
System:
The Portal to Texas History
Argon Spill Trough Bellows - Leak Test
The four argon spill trough bellows were leak tested with helium during the week of March 12, 1990. Three passed without incident, but the fourth was found to have a leak in the weld at one of the ring/clamps. The hole was approximately 1/32-inch in diameter (a likely result of a welding burn through) and located on an inflexible portion of the bellows, the ring/clamp. Frank Juravic, who conducted the tests, suggested using grey structural epoxy to plug the leak. The epoxy is metallic with some inherent flexibility. The epoxy was applied and the bellows retested in the same manner as before. The repair was a success as the bellows proved to be leaktight. The bellows were then put in their original shipping crates and placed in storage at Lab C. Included in this report is the manufacturer's spec sheets on the bellows, a copy of the Quality Control Report form and a sketch of the test setup with an explanation of the procedure. On the bellows data sheet entitled 'Analysis of Stress in Bellows', the analysis output is obtained through a theoretical bellows program that uses quadratic equations to approximate characteristic curves for such data as axial, lateral and …
Date:
April 30, 1990
Creator:
Jaques, A.
Object Type:
Report
System:
The UNT Digital Library