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MTX (Microwave Tokamak Experiment) facility and machine grounding plan

Description: A key issue in the design of fusion research experiments and their related facilities is the control of ground currents. Because of the large magnetic field, high voltages and high currents present in most of these installations, it is essential to avoid ground loops, and to control ground currents during both normal operations and fault conditions. This paper describes the grounding policy that was developed for MTX. The vault area was divided into zones, and each of the four walls was treated… more
Date: October 7, 1987
Creator: Bell, H.H.; Rice, B.W.; Petersen, D.E. & Herrera, C.H.
Partner: UNT Libraries Government Documents Department
open access

Magnet power system for the Microwave Tokamak Experiment (MTX)

Description: The system configuration, layout, and general philosophy for the MTX magnet power system is described. The vast majority of the magnet power equipment was quite successfully used on the ALCATOR-C experiment at the Massachusetts Institute of Technology. The AC power for the magnet system at MIT was obtained from a 225MVA alternator. The power for the system at LLNL is obtained directly from the local utility's 230 kV line. This installation, therefore, necessitates the addition of a great deal o… more
Date: October 7, 1987
Creator: Jackson, M.C. & Musslewhite, R.C.
Partner: UNT Libraries Government Documents Department
open access

My Program Against AIDS

Description: Campaign materials discussing AIDS, including predictions for the spread of the disease, the text of "A Memorial Bill to Stop AIDS," and an article about AIDS research.
Date: February 7, 1987
Creator: Lyndon H. LaRouche, Jr.
Partner: UNT Libraries Special Collections
open access

[Meeting of the Advisory Board]

Description: Papers regarding TAMS, including an agenda for the meeting of the Advisory Board of the Texas Academy of Mathematics and Science on December 7, 1987; a list of the board members; and an executive summary regarding admission, curriculum, and student life.
Date: December 7, 1987
Partner: Texas Academy of Mathematics and Science
open access

[Letter from Alfred F. Hurley to Trammell Crow, Sr., May 7, 1987]

Description: Letter from Alfred Hurley to Trammell Crow, Sr., on May 7, 1987, discussing the issue of funding the Texas Academy of Mathematics and Science in time for a fall 1988 start date. He also mentions that he believes the TAMS program will be more efficient than the North Carolina model.
Date: May 7, 1987
Creator: Hurley, Alfred F.
Partner: Texas Academy of Mathematics and Science
open access

High-field superconducting solenoids for the TIBER II PF (poloidal-field) system

Description: The poloidal-field (PF) coil set for the Tokamak Ignition/Burn Engineering Reactor (TIBER-II) consists of 24 solenoid modules, 16 of which are stacked inside the toroidal-field (TF) system at the center of the machine. These central solenoid modules operate at high-current densities, and maximum fields at the windings approach 14 T. Although TIBER-II is designed for steady-state operation with noninductive current drive, other operating scenarios are also considered. In the pulsed or inductive … more
Date: October 7, 1987
Creator: Kerns, J. A.; Miller, J. R. & Summers, L. T.
Partner: UNT Libraries Government Documents Department
open access

TIBER-II TF (toroidal-field) winding pack design

Description: The superconducting, toroidal-field (TF) coils in the Tokamak Ignition/Burn Engineering Reactor (TIBER II) are designed with cable-in-conduit conductor (CICC) using Nb/sub 3/Sn composite strands. To design the CICC winding pack, we used an optimization technique that maximizes the conductor stability without violating the constraints imposed by the structure, electrical insulation, quench protection, and fabrication technique. Detailed helium-properties codes calculate the heat removal along a … more
Date: October 7, 1987
Creator: Kerns, J. A.; Miller, J. R.; Slack, D. S. & Summers, L. T.
Partner: UNT Libraries Government Documents Department
open access

Design of the D0 overpass dispersion correction

Description: The existing D0 overpass induces a vertical dispersion wave around the Main ring with dispersion amplitudes of around 1.6 to 1.8 m. There are two major reasons to eliminate or reduce vertical dispersion induced by the D0 overpass: to lower the beam momentum dependence on vertical positions which had not existed before the overpass; and to raise the Tevatron luminosity by eliminating the dispersion mismatch between the main Ring and Tevatron. 20 figs., 1 tab.
Date: October 7, 1987
Creator: Trbojevic, D.
Partner: UNT Libraries Government Documents Department
open access

Proceedings of the 1986 summer workshop on antiproton beams in the 2-10 GeV/c range

Description: The possibilities for building a facility for the formation spectroscopy of ''charmonium'' and the study of ''exotics'' at the AGS with high intensity antiproton beams of good resolution and enhanced purity are explored. The performance potential of a number of long beams and the AGS booster are evaluated and costs are estimated. Fluxes of several 10/sup 7/ antiprotons per pulse with purities of 5% to 99% are possible with conventional long beams. A similar total antiproton flux would be availa… more
Date: May 7, 1987
Creator: Lazarus, D. (ed.)
Partner: UNT Libraries Government Documents Department
open access

Cable-in-conduit conductor optimization for fusion magnet applications

Description: Careful design of the toroidal-field (TF) and poloidal-field (PF) coils in a tokamak machine using cable-in-conduit conductors (CICC) can result in quite high overall winding-pack current densities - even with the high nuclear heat loads that may be imposed in operating a fusion reactor - and thereby help reduce the overall machine size. In our design process, we systematically examined the operational environment of a magnet, e.g., mechanical stresses, current, field, heat load, coolant temper… more
Date: October 7, 1987
Creator: Miller, J. R. & Kerns, J. A.
Partner: UNT Libraries Government Documents Department
open access

Induced turbulence in aerosol-loaded atmospheres

Description: This paper considers the effects of a pulse of radiation from a high-energy laser beam on the ambient turbulence that exists in the atmosphere. The atmosphere is considered as a compressible, perfect gas being heated by the high-energy laser pulse. We compute correlation functions of the temperature in the isobaric regime. The two-point correlation function is changed by a multiplicative factor that grows exponentially in time while the pulse is on Empirical formulas permit us to connect temper… more
Date: August 7, 1987
Creator: Chitanvis, S.M.
Partner: UNT Libraries Government Documents Department
open access

A cryogenic system for TIBER II (Tokamak Ignition/Burn Experimental Reactor)

Description: Phase II of the Tokamak Ignition/Burn Experimental Reactor (TIBER II) study describes one option for a small, economical, next-generation tokamak (1,2). Because of its small size, minimum shielding is used between the plasma and the toroidal-field (TF) coils. Consequently, a large cryogenic system (approximately 70 kW at 4.5 K) capable of delivering forced-flow helium is required. This paper describes a cryogenic system that meets this requirement and includes TIBER-II requirements. 3 refs.
Date: October 7, 1987
Creator: Slack, D.S. & Kerns, J.A.
Partner: UNT Libraries Government Documents Department
open access

Plans for the CIT (Compact Ignition Tokamak) instrumentation and control system

Description: Extensive experience with previous fusion experiments (TFTR, MFTF-B and others) is driving the design of the Instrumentation and Control System (I and C) for the Compact Ignition Tokamak (CIT) to be built at Princeton. The new design will reuse much equipment from TFTR and will be subdivided into six major parts: machine control, machine data acquisition, plasma diagnostic instrument control and instrument data acquisition, the database, shot sequencing and safety interlocks. In a major departu… more
Date: October 7, 1987
Creator: Preckshot, G.G.
Partner: UNT Libraries Government Documents Department
open access

The behavior of matter under nonequilibrium conditions: Fundamental aspects and applications in energy-oriented problems: Progress report for period September 1984--November 1987

Description: This report briefly discusses progress on the following topics: state selection dynamics; polymerization under nonequilibrium conditions; inhomogeneous fluctuations in hydrodynamics and in completely mixed reactors; homoclinic bifurcations and mixed-mode oscillations; intrinsic randomness and spontaneous symmetry breaking in explosive systems; and microscopic means of irreversibility.
Date: October 7, 1987
Creator: Prigogine, I.
Partner: UNT Libraries Government Documents Department
open access

High voltage, high power operation of the plasma erosion opening switch

Description: A Plasma Erosion Opening Switch (PEOS) is used as the opening switch for a vacuum inductive storage system driven by a 1.8-MV, 1.6-TW pulsed power generator. A 135-nH vacuum inductor is current charged to approx.750 kA in 50 ns through the closed PEOS which then opens in <10 ns into an inverse ion diode load. Electrical diagnostics and nuclear activations from ions accelerated in the diode yield a peak load voltage (4.25 MV) and peak load power (2.8 TW) that are 2.4 and 1.8 times greater than i… more
Date: April 7, 1987
Creator: Neri, J. M.; Boller, J. R.; Ottinger, P. F.; Weber, B. V. & Young, F. C.
Partner: UNT Libraries Government Documents Department
open access

Gamma rays for pedestrians

Description: Nuclear gamma radiation does not have many of the properties taken for granted in atomic or molecular radiation and necessary for lasers. The basic science and technology underlying these differences and the proposed methods of overcoming difficulties resulting from them are not properly understood. Considerable illumination in this interdisciplinary problem could be provided by some back-of-the-envelope calculations and simple experimental surveys by small groups of students and postdocs with … more
Date: May 7, 1987
Creator: Lipkin, Harry J.
Partner: UNT Libraries Government Documents Department
open access

Fission barriers of hot rotating nuclei: Theoretical predictions and experimental tests

Description: Recent theoretical developments in calculating fission barriers of hot rotating nuclei and their experimental tests are reviewed. The discussions are limited to macroscopic fission models (no shell effects), since experimental tests come primarily from heavy-ion induced reactions involving large angular momenta and internal excitation energies. The physics of the rotating finite range models with temperature is emphasized and the predictions of our model are compared with those of other macrosc… more
Date: July 7, 1987
Creator: Mustafa, M.G.
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Sports]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 5pm.
Date: December 7, 1987, 5:00 p.m.
Duration: 1 minute 40 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: DISD]

Description: B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 10pm.
Date: April 7, 1987, 10:00 p.m.
Duration: 56 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Swiss Ave Homes]

Description: B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 10pm.
Date: May 7, 1987, 10:00 p.m.
Duration: 46 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
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