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3,339 Matching Results
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A 2-MeV microwave thermionic gun
A high-gradient, S-band microwave gun with a thermionic cathode is being developed in a collaborative effort by AET, Varian, and SSRL. A prototype design using an upgraded Varian dispenser cathode mounted with thermal isolation directly in the first half-cell of a 1-1/2 cell, side-coupled, standing-wave cavity has been fabricated and is being tested. Optimization of the cavity shape and beam formation was done using SUPERFISH, MASK, and PARMELA. An overview of design details, as well as the status of in-progress beam tests, will be presented. 9 refs., 6 figs.
Date:
August 1, 1989
Creator:
Tanabe, E.; Borland, M.; Green, M. C.; Miller, R. H.; Nelson, L. V.; Weaver, J. N. et al.
Object Type:
Article
System:
The UNT Digital Library
6. 4 tesla dipole magnet for the SSC. Revision
A design is presented for a dipole magnet suitable for the proposed SSC facility. Test results are given for model magnets of this design 1 m long and 4.5 m long. Flattened wedge-shaped cables (''keystoned'') are used in a graded, two-layer ''cos theta'' configuration with three wedges to provide sufficient field uniformity and mechanical rigidity. Stainless steel collars 15 mm in radial depth, fastened with rectangular keys, provide structural support, and there is a ''cold'' iron flux return. The outer-layer cable has 30 strands of 0.648 mm diameter NbTi multifilamentary wire with Cu/S.C. = 1.8, and the inner has 23 strands of 0.808 mm diameter wire with Cu/S.C. = 1.3. Performance data are given, including training behavior, winding stresses, collar deformation, and field uniformity. 10 refs., 11 figs.
Date:
August 1, 1985
Creator:
Taylor, C.E.; Caspi, S.; Gilbert, W.; Hassenzahl, W.; Meuser, R.; Mirk, K. et al.
Object Type:
Article
System:
The UNT Digital Library
O(18) revived
We present an O(18) theory which is pertubatively unifiable and which accounts for the absence of right-handed families in the low-energy world. The model gives rise to dramatic predictions for proton decay and for the Z/sup 0/ width.
Date:
August 1, 1984
Creator:
Bagger, J.; Dimopoulos, S. & Masso, E.
Object Type:
Article
System:
The UNT Digital Library
20 TeV collider lattices with low-. beta. insertions
A lattice containing insertions designed for collisions of 20 TeV proton beams at crossing points having beta values of two meters or less is presented. The machine would use high-field double bore superconducting magnets, with opposite focusing action on the two beams passing through each quadrupole. Hence the focusing pattern in the insertions is antisymmetric about the crossings. The beams, separated by 16 cms in the arcs are made colinear by dipoles common to both beams and then focused to the low-..beta.. collision points by quadrupole triplets. A similar machine design for pp collisions is also included.
Date:
August 1, 1983
Creator:
Garren, A.A.
Object Type:
Article
System:
The UNT Digital Library
200 Sand Steamflood Demonstration Project. Sixth annual report, June 1981-June 1982
This demonstration project was initiated in the 200 Sand Pool in the Midway-Sunset Field, California Sand Pool to demonstrate the operational, recovery, and economic aspects of steamflooding a typical heavy oil reservoir which had unfavorable response to cyclic stimulation. The scope of the project involves 5 phases: (1) pilot site monitoring and evaluation; (2) pilot area expansion; (3) site selection for expansion to full-scale project; (4) expansion to full-scale steamflood; and (5) production monitoring. After expansion and steam injection for one year, the wells are averaging 8 B/D oil and 29 B/D water per well. This rate is above the 5 BOPD for cyclic stimulation. Most of the producing wells are steam stimulated about twice a year to enhance steam breakthrough from the continuous steam. The total area has averaged 319 B/D oil and 1233 B/D water the last year. 7 figures, 1 table.
Date:
August 1, 1983
Creator:
Alford, W.O.
Object Type:
Report
System:
The UNT Digital Library
A 360 Year Temperature and Precipitation Record for the Pasco Basin Derived From Tree-Ring Data
None
Date:
August 1, 1986
Creator:
Cropper, J. P.; Fritts, H. C. & Foley, M. G.
Object Type:
Report
System:
The UNT Digital Library
1170 MW/sub t/ HTGR steamer cogeneration plant: design and cost study
A conceptual design and cost study is presented for intermediate size high temperature gas-cooled reactor (HTGR) for industrial energy applications performed by United Engineers and Constructors Inc., (UE and C) and The General Atomic Company (GAC). The study is part of a program at ORNL and has the objective to provide support in the evaluation of the technical and economic feasibility of a single unit 1170 MW/sub t/ HTGR steam cycle cogeneration plant (referred to as the Steamer plant) for the production of industrial process energy. Inherent in the achievement of this objective, it was essential to perform a number of basic tasks such as the development of plant concept, capital cost estimate, project schedule and annual operation and maintenance (O and M) cost.
Date:
August 1, 1980
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
1979 bibliography of atomic and molecular processes. [Bibliography]
This annotated bibliography lists 2146 works on atomic and molecular processes reported in publications dated 1979. Sources include scientific journals, conference proceedings, and books. Each entry is designated by one or more of the 114 categories of atomic and molecular processes used by the Controlled Fusion Atomic Data Center, Oak Ridge National Laboratory, to classify data. Also indicated is whether the work was experimental or theoretical, what energy range was covered, what reactants were investigated, and the country of origin of the first author. Following the bibliographical listing are indexes of reactants and authors.
Date:
August 1, 1980
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The 1980-1982 Geothermal Resource Assessment Program in Washington
Since 1978, the Division of Geology and Earth Resources of the Washington Department of Natural Resources has participated in the U.S. Department of Energy's (USDOE) State-Coupled Geothermal Resource Program. Federal and state funds have been used to investigate and evaluate the potential for geothermal resources, on both a reconnaissance and area-specific level. Preliminary results and progress reports for the period up through mid-1980 have already been released as a Division Open File Report (Korosec, Schuster, and others, 1981). Preliminary results and progress summaries of work carried out from mid-1980 through the end of 1982 are presented in this report. Only one other summary report dealing with geothermal resource investigations in the state has been published. An Information Circular released by the Division (Schuster and others, 1978) compiled the geology, geochemistry, and heat flow drilling results from a project in the Indian Heaven area in the south Cascades. The previous progress report for the geothermal program (Korosec, Schuster, and others, 1981) included information on temperature gradients measured throughout the state, heat flow drilling in the southern Cascades, gravity surveys for the southern Cascades, thermal and mineral spring investigations, geologic mapping for the White Pass-Tumac Mountain area, and area specific studies for …
Date:
August 1, 1983
Creator:
Korosec, Michael A.; Phillips, William M. & Schuster, J.Eric
Object Type:
Report
System:
The UNT Digital Library
1981 El Reno High 25th Reunion
Panel of the 1981 reunion. Title at top: "Ode To The Kids From El Reno High 25th Reunion August 1, 1981. 'Moments to Remember' Dedicated to the Class of Fifty-Six." Top middle is a group photo with sign "El Reno High School 56." Middle group photo below with sign "El Renion High School 57." Top panel typing: "We lived our lives on a natural high. We didn't need a fix. The only 'joint' was Johnny's Grill AH the Hamburger. I can taste it still. Some of the haunts we frequented then were ole teen town BPOE and Sunset Drive-In. Can you recall those days gone by we dragged on the Main ended up at the 'Y'. Punk rock and Preppy the fads of today whatever happened to Pink and Charcoal Grey? The blue suede shoes the duck tail hair how very great that we were there. Remember Lawton the 'jocks won't forget they called us 'pig farmers' we proved them full of 'it' The Squaws were there the Pippetts too. Cheered us to victory without a Boo. The band marched on with plumes standing tall playing our fight song. A pride to us all. We had cigarette smokers shooting pool …
Date:
August 1, 1981
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
1981 laser program annual report
This report is published in sections that correspond to the division of technical activity in the Program. Section 1 provides a Program Overview, presenting highlights of the technical accomplishments of the elements of the Program, a summary of activities carried out under the Glass Laser Experiments Lead Laboratory Program, as well as discussions of Program resources and facilities. Section 2 covers the work on solid-state Nd:glass lasers, including systems operations and Nova and Novette systems development. Section 3 reports on target-design activities, plasma theory and simulation, code development, and atomic theory. Section 4 presents the accomplishments of the Target Fabrication group, Section 5 contains the results of our diagnostics development, and Section 6 reports the results of laser-target experiments conducted during the year, along with supporting research and development activities. Section 7 presents the results from laser research and development, including solid-state R and D and the theoretical and experimental research on advanced lasers. Section 8 contains the results of studies in areas of energy and military applications, including those relating to electrical energy production by inertial-confinement fusion systems.
Date:
August 1, 1982
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
1982 laser program annual report
This annual report covers the following eight sections: (1) laser program review, (2) laser systems and operation, (3) target design, (4) target fabrication, (5) fusion experiments program, (6) Zeus laser project, (7) laser research and development, and (8) energy applications. (MOW)
Date:
August 1, 1983
Creator:
Hendricks, C.D. & Grow, G.R. (eds.)
Object Type:
Report
System:
The UNT Digital Library
1987 Annual Report on Low-Level Radioactive Waste Management Progress: Report to Congress in Response to Public Law 99-240
In response to Section 7(b) of the Low-Level Radioactive Waste Policy Amendments Act of 1985 (Public Law 99-240), this report summarizes the progress of states and low-level radioactive waste compacts in 1987 in establishing new low-level waste disposal facilities. It also reports the volume of low-level waste received for disposal in 1987 by commercially operated low-level waste disposal facilities.
Date:
August 1, 1988
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
[1st Presbyterian Church]
Photograph of the 1st Presbyterian Church (located at 410 Avenue A) in Palestine, Texas.
Date:
August 1, 1981
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
[1st Presbyterian Church]
Photograph of the 1st Presbyterian Church (located at 410 Avenue A) in Palestine, Texas.
Date:
August 1, 1981
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
[1st Presbyterian Church]
Photograph of the 1st Presbyterian Church (located at 410 Avenue A) in Palestine, Texas.
Date:
August 1, 1981
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
[1st Presbyterian Church]
Photograph of the 1st Presbyterian Church (located at 410 Avenue A) in Palestine, Texas.
Date:
August 1, 1981
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
[1st Presbyterian Church]
Photograph of the 1st Presbyterian Church (located at 410 Avenue A) in Palestine, Texas.
Date:
August 1, 1981
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
32nd Geothermal Coordinating Group Meeting Notes
None
Date:
August 1, 1981
Creator:
unknown
Object Type:
Article
System:
The UNT Digital Library
3D thermal stress analysis of WIPP (Waste Isolation Pilot Plant) Room T RH TRU (Remote Handled Transuranic) experiments
A three-dimensional finite element thermal stress analysis of the RH TRU experiments in WIPP Room T has been performed. This analysis aids in the interpretation of the borehole closure results being obtained from the Room T experiments and helps in assessing potential performance impacts in a typical storage room, during the waste retrieval period. Computed results are presented and compared to available in situ data, and a qualitative agreement between measured and computed closures is seen. 9 refs., 10 figs.
Date:
August 1, 1989
Creator:
Argueello, J.G.; Beraun, R. & Molecke, M.A.
Object Type:
Article
System:
The UNT Digital Library
3DFEMWATER: A three-dimensional finite element model of water flow through saturated-unsaturated media
The 3DFEMWATER model is designed to treat heterogeneous and anisotropic media consisting of as many geologic formations as desired, consider both distributed and point sources/sinks that are spatially and temporally dependent, accept the prescribed initial conditions or obtain them by simulating a steady state version of the system under consideration, deal with a transient head distributed over the Dirichlet boundary, handle time-dependent fluxes due to pressure gradient varying along the Neumann boundary, treat time-dependent total fluxes distributed over the Cauchy boundary, automatically determine variable boundary conditions of evaporation, infiltration, or seepage on the soil-air interface, include the off-diagonal hydraulic conductivity components in the modified Richards equation for dealing with cases when the coordinate system does not coincide with the principal directions of the hydraulic conductivity tensor, give three options for estimating the nonlinear matrix, include two options (successive subregion block iterations and successive point interactions) for solving the linearized matrix equations, automatically reset time step size when boundary conditions or source/sinks change abruptly, and check the mass balance computation over the entire region for every time step. The model is verified with analytical solutions or other numerical models for three examples.
Date:
August 1, 1987
Creator:
Yeh, G.T.
Object Type:
Report
System:
The UNT Digital Library
Ab initio calculations of the optical properties of ions in glass
There is interest in the optical properties of ions in insulating glasses for various applications. This paper addresses the task of predicting optical properties of ions in glass from first principles given only the physics of the constituent atoms. The prospects for developing such ab initio-computation procedures are gleaned from examining the progress made in understanding the properties of dopant ions in crystals. It is probable that in 20 years, there will be reliable procedures for predicting optical properties of ions in crystals, but the development of corresponding procedures for complex glasses is a herculean task. The use of computer simulations is addressed. (DLC)
Date:
August 1, 1984
Creator:
Weber, M. J.
Object Type:
Article
System:
The UNT Digital Library
Accelerator and Fusion Research Division: summary of activities, 1983
The activities described in this summary of the Accelerator and Fusion Research Division are diverse, yet united by a common theme: it is our purpose to explore technologically advanced techniques for the production, acceleration, or transport of high-energy beams. These beams may be the heavy ions of interest in nuclear science, medical research, and heavy-ion inertial-confinement fusion; they may be beams of deuterium and hydrogen atoms, used to heat and confine plasmas in magnetic fusion experiments; they may be ultrahigh-energy protons for the next high-energy hadron collider; or they may be high-brilliance, highly coherent, picosecond pulses of synchrotron radiation.
Date:
August 1, 1984
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Accelerator technology program. Progress report, July-December 1981
We report on the major projects of the Los Alamos National Laboratory's Accelerator Technology Division during the last 6 months of calendar year 1981. We have continued work on the radio-frequency quadrupole linear accelerator; we are doing studies of octupole focusing. We have completed the design study on an unusual electron-linear radiographic machine that could obtain x rays of turbine engines operating under simulated flight-maneuver conditions on a centrifuge. In September we completed the 5-y PIon Generator for Medical Irradiation (PIGMI) program to develop the concept and technology for an accelerator-based facility to treat cancer in a hospital environment. The design and construction package for the site, building, and utilities for the Fusion Materials Irradiation Test (FMIT) facility has been completed, and we have begun to concentrate on tests of the rf power equipment and on the design, procurement, and installation of the 2-MeV proto-type accelerator. The Proton Storage Ring project has continued to mature. The main effort on the racetrack microtron (RTM) has been on the design and construction of various components for the demonstration RTM. On the gyrocon radio-frequency generator project, the gyrocon was rebuilt with a new electron gun and new water-cooled gun-focus coil; these new components …
Date:
August 1, 1982
Creator:
Knapp, E.A. & Jameson, R.A. (comps.)
Object Type:
Report
System:
The UNT Digital Library