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425 Matching Results
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2 meg-ampere prototype levitated coil for multipole fusion
The coils major diameter is 1.0 meter and it occupies a cross-section which is about 0.2 meter minor in diameter. The prototype coil will carry four times the current of the largest such magnet built to date. As a result, the peak induction in the coil is about 8 T and the stored magnetic energy will be around 3 MJ. The paper describes the proposed Nb/sub 3/SN superconductor, the quench protection system which is based on the LBL shorted secondary concept, the isochroic refrigeration storage system which stores about 5 kJ of refrigeration between 4.5/sup 0/K and 7/sup 0/K, and the persistent switch.
Date:
November 1, 1979
Creator:
Green, M. A. & Glueck, R.
Object Type:
Article
System:
The UNT Digital Library
24-MW neutral-beam injector of 400-keV H/sup 0/
The negative and positive ion systems have both common goals and common problems. In fact, we have identified five items that must be developed before any large, neutral-beam injector, operating continuously or almost so, can be engineered. The five items are: (1) a continuous or almost continuous ion source, with 1A designating a source of positive ions and 1B a direct extraction source of negatives, (2) a recirculating metal-vapor cell, (3) a computer code with which to calculate beam trajectories in three dimensions, (4) a resistive coating to bleed stray charges from the surface of high-voltage vacuum insulators, and (5) an arc suppression technique for large systems. These items are discussed and it is shown how their development is prerequisite to the design of a 24-MW, 400-keV neutral hydrogen injector such as might be required for a fusion power reactor.
Date:
November 1, 1979
Creator:
Fink, J.H.; Hamilton, G.W. & Erickson, J.L.
Object Type:
Article
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 9, No. 5, Ed. 1 Thursday, November 1, 1979
Newspaper from Oscar Rose Junior College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
November 1, 1979
Creator:
Stanley, Marylyn
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
1979 breeding bird censuses and summary of 1977-1979 results
As part of a program to characterize the plant and animal life of the Laboratory site and the surrounding region, the two breeding bird censuses originated in 1977 were continued in 1979. Twelve census trips were made to the BNL plot and 10 to the Westhampton plot by seven volunteer observers. Comparisons of data from the three years showed that the number of territorial males on the BNL plot did not change significantly, but the number of breeding species showed a continuous decline, from 18 to 10. Little change in the number of territorial males or in species composition occurred in the Westhampton plot.
Date:
November 1, 1979
Creator:
Raynor, G. S.
Object Type:
Report
System:
The UNT Digital Library
Abstracts: NRC Waste Management Program reports
This document consists of abstracts of all reports published by the Nuclear Regulatory Commission (NRC) Waste Management Program at Lawrence Livermore Laboratory (LLL). It will be updated at regular intervals. Reports are arranged in numerical order, within each category. Unless otherwise specified, authors are LLL scientists and engineers.
Date:
November 1, 1979
Creator:
Heckman, R.A. & Minichino, C.
Object Type:
Report
System:
The UNT Digital Library
Active-passive waveguide array for wave excitation in plasmas
A modified version of the standard waveguide grill for exciting lower hybrid plasma waves is proposed. This version should reduce both the number of RF drive components and the amplitude of the (undesirable) surface waves. Results from a simple 2-element array are presented.
Date:
November 1, 1979
Creator:
Motley, R. W. & Hooke, W. M.
Object Type:
Report
System:
The UNT Digital Library
Activities of the Department of Energy in energy education. A description of programs for schools of the Department of Energy and its predecessor agencies
The various programs of the DOE, ERDA, FEA, and AEC for energy education in schools are described. Areas of special emphasis are training, curriculum development, educational special events, facilities support, and the Energy Extension Service. 1 figure, 13 tables. (RWR)
Date:
November 1, 1979
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Advanced Technology Section semiannual progress report, April 1, 1977-September 30, 1977. Volume 2. Engineering Science Programs
Separate abstracts were prepared for each of the 3 included sections. (MOW)
Date:
November 1, 1979
Creator:
Watson, J. S. & Clinton, S. D. (comps.)
Object Type:
Report
System:
The UNT Digital Library
Aerial gamma ray and magnetic survey: Raton Basin Project. The Raton and Santa Fe Quadrangles of New Mexico. Final report
In 1978, EG and G geoMetrics collected 4955 line miles of high sensitivity airborne radiometric and magnetic data in New Mexico within the Raton and Santa Fe quadrangles. These quadrangles represent part of the Raton Basin Project. All radiometric and magnetic data for the two quadrangles were fully reduced and interpreted by geoMetrics, and are presented as three volumes; one Volume I covering both quadrangles and separate Volume II's for the individual quadrangles. Over 50% of the survey area is covered by flat lying Mesozoic and Cenozoic deposits of the southern Great Plains Province. The western and southern portions of the area contain a combination of Precambrian and Paleozoic igneous and metamorphic rocks. These rocks occur primarily within and in close proximity to the Sangre de Cristo Mountains and late Cenozoic volcanic deposits occur to the west of the mountains and in the Las Vegas Volcanic region. Uranium deposits are scattered throughout the region, but none are known to be economic at the time of this report.
Date:
November 1, 1979
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Aerosol measurement techniques and accuracy in the CSTF. [LMFBR]
The Containment Systems Test Facility (CSTF) provides the capability of performing large-scale aerosol behavior experiments at a scale factor of approximately 0.5 in height for a typical reactor containment building. The containment height is 20.3 m, the volume is 850 m/sup 3/, the design pressure is 5 bar, and quantities of sodium up to 1250 kg can be sprayed or spilled for sodium combustion product aerosol sources. Instrumentation is provided for characterization of the aerosol and the containment atmosphere. This paper describes the aerosol sampling techniques and instruments used in the CSTF and discusses their accuracy and reproducibility.
Date:
November 1, 1979
Creator:
McCormack, J.D. & Hilliard, R. K.
Object Type:
Article
System:
The UNT Digital Library
Aerosol sampling and characterization for hazard evaluation. Progress report, October 1, 1977-September 30, 1978. [/sup 239/Pu aerosol monitor performance in work area]
Measurements of the dilution of air contaminants between worker breathing zone and area air samplers were made by releasing a test fluorescent aerosol in workrooms equipped with aerosol surveillance systems. These data were used to evaluate performance and suggest improvements in design of alarming air monitor systems. In one workroom studied, average half-hour breathing zone air concentration needed to trigger alarm was found to be 960 times the maximum permissible air concentration for occupational exposure to soluble /sup 239/Pu (MPC/sub a/). It was shown that alternative monitor placement in this room could result in decreasing average triggering concentration to 354 times the MPC/sub a/. Analysis of data from impaction-autoradiographic sizing comparison studies showed average disintegration to track ratio called track efficiency factor, to be 2.7 +- 0.4.
Date:
November 1, 1979
Creator:
Scripsick, R.C.; Tillery, M.I.; Stafford, R.G. & Romero, P.O.
Object Type:
Report
System:
The UNT Digital Library
Air quality impacts of a coal-fired power plant in the Upper Cook Inlet of Alaska
Air quality impacts for a proposed 500-MWe power plant in the Upper Cook Inlet are analyzed using screening-level models as a means to study coal development in Alaska. Simulation cases were run that examined impacts of controls on sulfur dioxide emissions. Results indicated that the highest concentrations of sulfur dioxide occur for the uncontrolled case whereas lower plume rise causes maximum concentrations of nitrogen dioxide and total suspended particulates when sulfur dioxide emissions controls reduce plume rise. Plume interactions with terrain result in maximum plant impacts and indicate a sensitivity of results to plant location. Analysis of visibility degradation and sulfate formation indicated small plant impacts on the Cook Inlet. The generic plant simulated at Beluga would be in compliance with federal and state standards when sulfur dioxide emissions are controlled but would exceed prevention of significant deterioration (PSD) increments for sulfur dioxide if emissions are not controlled, which would indicate, when model conservatism is considered, a need for further studies if sulfur dioxide emissions were not controlled. Impacts for a plant significantly different from the generic plant in design and location would require additional study.
Date:
November 1, 1979
Creator:
McNaughton, D. J.
Object Type:
Report
System:
The UNT Digital Library
Air-sea interaction experiments (1976) at an offshore platform near Atlantic City, New Jersey
Air-sea interaction experiments conducted at an offshore platform near Atlantic City, New Jersey, during September 14-23, 1976, are described in this report. Momentum flux was measured by the eddy correlation method. Wave height, slope, and direction spectra were estimated from wave height variations measured by an array of wave staffs positioned in the corners of an equilateral triangle. Some preliminary results of the analysis are also presented.
Date:
November 1, 1979
Creator:
SethuRaman, S.; Tuthill, W. A. & McNeil, J.
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 104, No. 19, Ed. 1 Thursday, November 1, 1979
Weekly newspaper from Albany, Texas that includes local, state and national news along with extensive advertising.
Date:
November 1, 1979
Creator:
Lucas, Donnie
Object Type:
Newspaper
System:
The Portal to Texas History
The Allen American (Allen, Tex.), Vol. 10, No. 30, Ed. 1 Thursday, November 1, 1979
Semiweekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date:
November 1, 1979
Creator:
Camper, Buddy
Object Type:
Newspaper
System:
The Portal to Texas History
Alternate laser fusion drivers
Over the past few years, several laser systems have been considered as possible laser fusion drivers. Recently, there has been an increasing effort to evaluate these systems in terms of a reactor driver application. The specifications for such a system have become firmer and generally more restrictive. Several of the promising candidates such as the group VI laser, the metal vapor excimers and some solid state lasers can be eliminated on the basis of inefficiency. New solid state systems may impact the long range development of a fusion driver. Of the short wavelength gas lasers, the KrF laser used in conjunction with Raman compression and pulse stacking techniques is the most promising approach. Efficiencies approaching 10% may be possible with this system. While technically feasible, these approaches are complex and costly and are unsatisfying in an aethetic sense. A search for new lasers with more compelling features is still needed.
Date:
November 1, 1979
Creator:
Pleasance, L.D.
Object Type:
Article
System:
The UNT Digital Library
Alternate laser fusion drivers
One objective of research on inertial confinement fusion is the development of a power generating system based on this concept. Realization of this goal will depend on the availability of a suitable laser or other system to drive the power plant. The primary laser systems used for laser fusion research, Nd/sup 3 +/: Glass and CO/sub 2/, have characteristics which may preclude their use for this application. Glass lasers are presently perceived to be incapable of sufficiently high average power operation and the CO/sub 2/ laser may be limited by and issues associated with target coupling. These general perceptions have encouraged a search for alternatives to the present systems. The search for new lasers has been directed generally towards shorter wavelengths; most of the new lasers discovered in the past few years have been in the visible and ultraviolet region of the spectrum. Virtually all of them have been advocated as the most promising candidate for a fusion driver at one time or another.
Date:
November 1, 1979
Creator:
Pleasance, L.D.
Object Type:
Article
System:
The UNT Digital Library
Alternative Fuel Cycle Evaluation Program. Volume IV. International Fuel Service Center evaluation. Revision 1
This Alternative Fuel Cycle Evaluation Program (AFCEP) study presents the technical, economic and social aspects of the International Fuel Service Center (IFSC) as an institutional approach to nuclear fuel cycle development and is provided in support of the Nonproliferation Alternative Systems Assessment program (NASAP). Four types of IFSCs are described and evaluated in terms of three different twenty-year nuclear growth scenarios. Capital costs for each IFSC and comparable dispersed facility costs are discussed. Finally, the possible impact of each scenario and IFSC on the environmental and socio-economic structure is examined. 14 refs., 33 figs., 15 tabs.
Date:
November 1, 1979
Creator:
Jacobson, L D
Object Type:
Report
System:
The UNT Digital Library
Alternatives for contaminant control during MFTF plasma buildup
The MFTF mirror device considers all low-energy species to be contaminants, since their primary effect is to erode the plasma boundary by charge-exchange reactions. Confinement for other than hydrogen isotypes is far from complete and confinement time is hardly more than transit time from the source to the end wall. The brevity of the confinement time makes it all the more necessary to prevent any contamination which might further reduce it. At Livermore, the historical solution to contaminant control has been to evaporate titanium onto cold surfaces. An alternative to this approach and its implications are considered. (MOW)
Date:
November 1, 1979
Creator:
Khan, J.M. & Valby, L.E.
Object Type:
Article
System:
The UNT Digital Library
The Alto Herald (Alto, Tex.), Vol. 84, No. [25], Ed. 1 Thursday, November 1, 1979
Weekly newspaper from Alto, Texas that includes local, state, and national news along with extensive advertising.
Date:
November 1, 1979
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Altus Times-Democrat (Altus, Okla.), Vol. 55, No. 256, Ed. 1 Thursday, November 1, 1979
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 1, 1979
Creator:
Gilmore, Robert K.; Hale, Dave & Hart, Sandra
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Amorphous Si solar cells. Third quarterly report, 1 July 1979-30 September 1979
A new technique, using controlled DC voltages in addition to RF voltage, was developed to deposit a-Si:H and a-Si:F,H,O, films. This technique allows the growth of films with uniform morphology and yet avoids ion-induced damage. Reproducible films with high photoluminescence efficiency, indicative of low defect densities, have been grown. A new measurement technique, thermo-electric power (TEP), has been used to measure the movement of the Fermi level in n and p-doped materials. Simultaneous measurements of TEP and conductivity have revealed that the Fermi level in n-type a-Si:F,H can be moved quite easily by doping, and that it probably moves into the conduction band at 75 ppM AsH/sub 3/ doping. The conductivity of n-type fluorinated a-Si is approximately 10/sup 3/ times higher than the best hydrogenated a-Si. However, p-type fluorinated films are not significantly different from p-hydrogenated a-Si. Bandgap measurements on B-doped a-Si have revealed that B doping, even at low levels, leads to the formation of B:Si alloy with resultant bandgap shrinkage. p/sup +/in/sup +/ junctions have been made in hydrogenated a-Si. They show good I-V characteristics, are photovoltaic, and V/sub oc/ = 755 mV has been obtained. A heterojunction model has been developed which partially explains the poor collection …
Date:
November 1, 1979
Creator:
Dalal, V.L.
Object Type:
Report
System:
The UNT Digital Library
Analysis of biological shield materials for elements that could produce long-lived activation products
This paper describes an analysis of biological shield materials for elements that could produce long-lived activation products. 13 figs.
Date:
November 1, 1979
Creator:
Evans, J.C.; Rancitelli, L.A.; Wilkerson, C.L. & Sanders, R.W.
Object Type:
Article
System:
The UNT Digital Library
Analytic Potential Functions for Diatomic Molecules: Some Limitations
In discussions of the spectra of diatomic molecules, it is common in many physical chemistry and spectroscopy texts to introduce the Morse potential function V(R) = D{sub e}(1-exp(-{beta}(R-R{sub e}))) as representative of the real potential. The length scaling factor, {beta}, is usually expressed in terms of the harmonic vibration constant, {omega}{sub e}, the molecular reduced mass, {mu}, and the well depth, D{sub e}, via {beta} = k {omega}{sub e}(2{pi}{sup 2}{mu}/D{sub e}){sup 1/2} where k is a collection of physical constants appropriate to the units used for {omega}{sub e}, d{sub e}, {mu}, and {beta}. The Morse potential has the advantage that many simple, analytical expressions, such as eqn. (2), exist among the parameters of the potential function and observable spectroscopic constants.
Date:
November 1, 1979
Creator:
Winn, John S.
Object Type:
Article
System:
The UNT Digital Library