AI-MSG modification work plan. [LMFBR] (open access)

AI-MSG modification work plan. [LMFBR]

This document contains the Work Plan for the modification of the AI Steam Generator for tests in Large Leak Test Rig. This Work Plan describes the objectives, scope of work, schedule and manpower, end items, and meetings and reports required for the modification.
Date: August 20, 1973
Creator: Page, J.P.
Object Type: Report
System: The UNT Digital Library
Beam deflection into a quadrant by a positionally stationary magnetic bending system (open access)

Beam deflection into a quadrant by a positionally stationary magnetic bending system

A system of postionally stationary magnets is analyzed for the continuously variable deflection of a 50 MeV electron beam. The system is composed of a collection of horizontal and vertical bending magnets, quadrupoles, and a final deflection magnet that is conical in shape and capable of deflections of plus or minus 50 degrees simultaneously in both horizonal and vertical planes. Throughout the system the beam is assumed to be focused by its own magnetic self-field, the electric self-field being neutralized by background ions. The motion of the beam in the externally applied magnetic fields may then be considered as single particle motion. The system of bending magnets and quadrupoles pre-conditions the beam by introducing the proper displacements and angles at the entrance to the final deflection magnet for momentum deviations up to plus or minus one percent. The displacements and angles are determined by the chromaticity of the final deflection and are a function of the bending angles in the two planes. The total system is then doubly achromatic in both planes. The preconditioning magnets are of standard accelerator beam transport design while the conical deflection magnet is of a design fashioned from a television deflection coil scaled up by …
Date: June 20, 1980
Creator: Paul, A.C. & Neil, V.K.
Object Type: Report
System: The UNT Digital Library
Neutron Production of Charm Particles in Fermilab E-400 (open access)

Neutron Production of Charm Particles in Fermilab E-400

Results are presented from Fermilab E-400 on the production of charmed baryons and mesons using incident neutrons. We show evidence for the charm-strange baryon, ..xi../sub c//sup +/, and present our measurements of its mass, width, lifetime, cross section and relative branching fractions, and the A, x/sub f/, p/sub t/, and particle/antiparticle dependence of the state. We show evidence for both the ..sigma../sub c//sup + +/ and ..sigma../sub c//sup 0/, and present measurements of three mass differences, ..sigma../sub c//sup + +/ - ..sigma../sub c//sup 0/, ..sigma../sub c//sup 0/ - ..lambda../sub c//sup +/, and ..sigma../sub c//sup + +/ - ..lambda../sub c//sup +/. Preliminary results on the ratio of two decay modes of the D/sup 0/ are shown. D/sup 0/ ..-->.. K/sup +/K/sup -/ and D/sup 0/ ..-->.. K/sub 0/ anti K/sub 0/. The latter mode has not been previously observed. 8 refs., 10 figs.
Date: August 20, 1987
Creator: Cumalat, J. P.; Binkley, M.; Bossi, F.; Butler, J.; Coteus, P.; DiCorato, M. et al.
Object Type: Article
System: The UNT Digital Library
Improved solvent extraction recovery of shale oil. [DOE patent application] (open access)

Improved solvent extraction recovery of shale oil. [DOE patent application]

An improved process for solvent extraction of organic matter from shale by two extraction steps in sequence. The extraction steps are: (1) treating a kerogen-containing shale with a solvent system comprising a combination of water and an alcohol at a temperature of about 375 to 425/sup 0/C; and (2) treating the product of (1) with a solvent system comprising a combination of an alcohol and another organic solvent at an elevated temperature, but not above about 425/sup 0/C. The organic matter is recovered by separating the liquid which results from step (2) from the shale solids.
Date: July 20, 1981
Creator: McKay, John F. & Chong, Shuang-Ling
Object Type: Patent
System: The UNT Digital Library
Formation processes and secondary emission coefficients for H/sup -/ production on alkali-coated surfaces (open access)

Formation processes and secondary emission coefficients for H/sup -/ production on alkali-coated surfaces

The formation of negative ions by hydrogen collisions on cesium-coated surfaces is discussed in the limiting cases where the resident cesium is either in the purely ionic state or in the purely atomic state. The survival fraction for negative ions moving away from a metal surface is calculated using a method employing complex eigenvalues. The fraction of surviving ions is found to be larger than calculated by previous workers. The secondary emission coefficient for negative ion production by incident atoms with energies of ten to one hundred electron volts is estimated to be in the range thirty to fifty percent. The secondary emission coefficient is found to be a sensitive function of the thickness of the alkali adsorbate coating for ion energies in the range below a few hundred electron volts.
Date: September 20, 1977
Creator: Hiskes, J.R. & Karo, A.
Object Type: Article
System: The UNT Digital Library
Transmission-line access for hydrothermal target prospects in the five Pacific Rim states: a legal/institutional analysis. Report No. 1022 (open access)

Transmission-line access for hydrothermal target prospects in the five Pacific Rim states: a legal/institutional analysis. Report No. 1022

Transmission line access is discussed as a legal and institutional problem impacting geothermal commercialization. A legal and regulatory overview is presented starting with the Federal Power Act of 1935. The legal and institutional attributes of both Bonneville Power Authority and the California Power Pool as well as their satellite transmission systems are examined, with an eye towards the setting that they, as institutions, will present to geothermal commercialization. The physical realities of the problem are presented for the Geysers, Mono-Long Valley and Coso, Imperial Valley, and Oregon. (MHR)
Date: June 20, 1980
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Desalting sea water and brackish waters: a cost update (open access)

Desalting sea water and brackish waters: a cost update

This report, based on first-quarter 1977 dollars, is an update of costs presented in ORNL/TM-5070 (Rev.), which gave cost estimates for desalting seawater and brackish waters based on first-quarter 1975 financial parameters. Cost estimates are given for desalting seawater by distillation and reverse osmosis and for brackish waters using reverse osmosis and electrodialysis. Cost data were computed as a function of plant size and energy cost. The cost of generating steam and electrical energy on-site using coal-fired boilers as well as oil-fired boilers and dual-purpose electric/seawater distillation plants is included. While the costs of energy, equipment and labor have continued to rise, they have increased at a relatively modest rate compared with the two years prior to 1975. On an average, the cost of desalting seawater by distillation has increased approximately 15%. Costs for desalting brackish waters by the membrance processes have increased about 7%.
Date: October 20, 1977
Creator: Reed, S. A. & Wilson, J. V.
Object Type: Report
System: The UNT Digital Library
Elimination of image blurring due to double scatter events in. gamma. imaging MWPC detectors (open access)

Elimination of image blurring due to double scatter events in. gamma. imaging MWPC detectors

In multiwire proportional chambers used with honeycomb lead converters for detecting 511 KeV ..gamma.. rays from positron annihilation, a source of image blurring is generated by multiple interaction events due to the escape photoelectric x-ray or from the Compton scattered photon. Using the delay line readout method the majority of these double events are eliminated by using the fact that the sum of the time intervals from the prompt anode signal to the signal arrival at each end of the delay line is a constant to within the timing accuracy for a single interaction. Double interaction events produce a time sum which is shorter. Good improvement in image quality is obtained. The observed number of multiple events is larger than calculations would predict.
Date: October 20, 1977
Creator: Ortendahl, D.; Tam, K.C.; Perez-Mendez, V. & Lim, C.B.
Object Type: Article
System: The UNT Digital Library
Perturbations to the horizontal off-energy functions in the arcs (open access)

Perturbations to the horizontal off-energy functions in the arcs

The perturbation of off-energy functions in the arcs affects the SLC performance in two ways. First of all, it introduces additional emittance blow-up in the arcs through synchrotron radiation loss. Secondly, if the perturbation is too large, the chromatic correction in the final focus cannot completely suppress the eta at IP resulting in a larger beam size. Both effects reduce the luminosity. In this report an analysis is made of the disturbances to the horizontal eta-function generated by imperfections in the arcs ad their effects are estimated.
Date: July 20, 1986
Creator: Sands, M. & Weng, W.
Object Type: Report
System: The UNT Digital Library
Tracking federal land management: Report No. 3 on federal land management actions impacting geothermal commecialization at selected target prospects in the five Pacific Rim states (open access)

Tracking federal land management: Report No. 3 on federal land management actions impacting geothermal commecialization at selected target prospects in the five Pacific Rim states

Generic land management actions affecting geothermal commerializtion in Pacific River states are reviewed. Specific federal land management actions affecting geothermal prospects in California and the Pacific Northwest are described. (MHR)
Date: May 20, 1980
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Long-life cathode for the Berkeley-type ion source (open access)

Long-life cathode for the Berkeley-type ion source

Preliminary experiments indicate that a hollow cathode, made from impregnated tungsten emitters, can be adapted for the Lawrence Berkeley Laboratory (LBL)/Lawrence Livermore Laboratory (LLL) ion source. Such cathodes could be the basis of a long life, continuously operated positive-ion source.
Date: October 20, 1977
Creator: Fink, J.H. & Biagi, L.A.
Object Type: Article
System: The UNT Digital Library
Justification for 80 PSI railroad door sealing pressure (open access)

Justification for 80 PSI railroad door sealing pressure

The normal operating pressure for the inner and outer Railroad Door Seals is 90 psig. The instrumentation which monitors this pressure does not provide assurance that the 90 psig can be maintained during reactor operations. A decrease in pressure is detected by a low level pressure alarm set to alarm at 88 psig. When another 8 psig is allowed for the instrument error of this alarm and the operating band during the leak test, the minimum pressure maintained in the seals is reduced to 80 psig. 80 psig, therefore, is the pressure that the LOFT Technical Specifications have committed to maintain.
Date: December 20, 1977
Creator: Larson, R.H.
Object Type: Report
System: The UNT Digital Library
National waste terminal storage program (open access)

National waste terminal storage program

Papers are presented on research programs concerned with underground storage of radioactive wastes. A separate abstract was prepared for each of twenty-three papers. (JRD)
Date: August 20, 1977
Creator: unknown
Object Type: Article
System: The UNT Digital Library
Analysis of soil and water at the Four Mile Creek seepline near the F H Areas of SRS (open access)

Analysis of soil and water at the Four Mile Creek seepline near the F H Areas of SRS

Until 1988, solutions containing sodium hydroxide, nitride acid, low levels of radionuclides (mostly tritiated water) and some metals were discharged to unlined seepage basins at the F and H Areas of the Savannah River Site (SRS) as part of normal operations (Killian et al, 1987a,b). The basins are now being closed according to the Resource Conservation and Recovery Act (RCRA). As part of the closure, a Part B Post-Closure Care Permit is being prepared. The information included in this report will fulfill some of the data requirements for that Part B permit. Several soil and water samples were collected along the Four Mile Creek (FMC) seepline at the F H Areas of the Savannah River Site. The samples were analyzed for concentrations of metals, radionuclides, and inorganic constituents. The goal of the work reported herein is to document the impacts from the basins of FMC has been completed in a phased approach.
Date: June 20, 1990
Creator: Haselow, J. S.; Harris, M.; Looney, B. B.; Halverson, N. V. & Gladden, J. B.
Object Type: Report
System: The UNT Digital Library
Analysis of the obstacles to financing geothermal hydrothermal commercialization projects and the government programs designed to remove them (open access)

Analysis of the obstacles to financing geothermal hydrothermal commercialization projects and the government programs designed to remove them

The risks associated with geothermal hydrothermal commercialization are broken down into five categories: resource risk; technological risk; regulatory risk; investment parity risks; and institutional risk aversion. The impact of each risk upon geothermal financing is assessed. The federal government's programs to provide financial incentives for geothermal development are presented as follows: tax incentives; indirect financial incentives programs; direct grant/cost-sharing programs; and attempts at reducing regulatory risk through the enactment of legal and institutional reforms. (MHR)
Date: March 20, 1981
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Shock-wave studies: modeling the giant planets (open access)

Shock-wave studies: modeling the giant planets

The giant planets - Jupiter, Saturn, Uranus, and Neptune - differ markedly from the inner, or terrestrial, planets. Observations of their average density, gravitational moments, and atmospheric composition have enabled astrophysicists to draw some conclusions as to their structure, but efforts have been hampered by a lack of accurate data on the chemical, physical, and thermodynamic properties of constituent materials at the extremely high temperatures and pressures characteristic of planetary interiors. Shock-wave experiments conducted recently at LLNL have provided more accurate equations of state and electrical conductivities for many of these materials, and these have led to improved structural models of the giant planets.
Date: July 20, 1981
Creator: Ross, M.
Object Type: Article
System: The UNT Digital Library
Reduction of the beam breakup mode Q values in the ETA/ATA Accelerating Cells (open access)

Reduction of the beam breakup mode Q values in the ETA/ATA Accelerating Cells

Earlier Microwave Measurements of the ETA Accelerating Cells has uncovered eleven resonances in the frequency range of 0 > 850 MHz. The Q values of these modes ranged from 14 to 70. A three phase program directed at substantially reducing these Q values is reported. In particular the dampening methods described below resulted in a decrease of Q value from 40 to 5 for the beam breakup mode (TM/sub 110/) with a corresponding reduction for most of the other cavity modes.
Date: May 20, 1980
Creator: Birx, D.L.
Object Type: Report
System: The UNT Digital Library
Estimating the Cerenkov neutron sensitivity of Suprasil (SiO/sub 2/) and Lucite (C/sub 5/H/sub 8/O/sub 2/) (open access)

Estimating the Cerenkov neutron sensitivity of Suprasil (SiO/sub 2/) and Lucite (C/sub 5/H/sub 8/O/sub 2/)

Fast neutrons hitting a sample of suprasil will produce light. This light is Cerenkov light produced by high energy (> .2 MeV) electrons traversing the transparent medium. Neutrons produce these electrons in a two step process. First, the neutrons inelastically scatter with either the silicon (Si) or the oxygen (O) atoms producing inelastic gamma rays. Some of these gammas, in turn, will also react producing, primarily, Compton electrons with some pair production electrons possible. The majority of these Compton electrons will have enough energy to induce Cerenkov light production. For intermediate energy neutrons (2 to 20 MeV), this process is efficient enough to produce a relatively simple neutron detector with some desirable properties. Estimations of the Cherenkov/neutron sensitivities of suprasil and lucite are presented. (WHK)
Date: April 20, 1982
Creator: Clark, D.
Object Type: Report
System: The UNT Digital Library
Low aspect ratio double shells for high density and high gain (open access)

Low aspect ratio double shells for high density and high gain

Double shell targets for use with 0.2-1.0 ..mu.. lasers are discussed. With 0.2 ..mu.. light, such designs achieve 500-1000 times liquid density at 2 KJ, 10% or more of breakeven at 15 KJ, gains of 10 or more at 200 KJ and a gain of 1000 for lasers of 1 to 10 megajoules.
Date: September 20, 1977
Creator: Lindl, J.D.
Object Type: Article
System: The UNT Digital Library
Fundamentals and techniques of nonimaging optics for solar energy concentration. Final report (open access)

Fundamentals and techniques of nonimaging optics for solar energy concentration. Final report

Nonimaging optics is a new discipline with techniques, formalism and objectives quite distinct from the traditional methods of focusing optics. These new systems achieve or closely approach the maximum concentration permitted by the Second Law of Thermodynamics for a given angular acceptance and are often called ideal. Application of these new principles to solar energy over the past seven years has led to the invention of a new class of solar concentrators, the most well known version of which is the Compound Parabolic Concentrator or CPC. A new formalism for analyzing nonimaging systems in terms of a quantity called the geometrical vector flux has been developed. This has led not only to a better understanding of the properties of ideal concentrators but to the discovery of several new concentrator designs. One of these new designs referred to as the trumpet concentrator has several advantageous features when used as a secondary concentrator for a point focusing dish concentrator. A new concentrator solution for absorbers which must be separated from the reflector by a gap has been invented. The properties of a variety of new and previously known nonimaging optical configurations have been investigated: for example, Compound Elliptical Concentrators (CEC's) as secondary …
Date: May 20, 1980
Creator: Winston, R.
Object Type: Report
System: The UNT Digital Library
Radiation damping of betatron oscillations (open access)

Radiation damping of betatron oscillations

The emission of synchrotron radiation damps the incoherent betatron oscillations of a pinched beam, causing its radius to shrink. However, the rate of shrinkage is small compared with the rate of expansion caused by scattering for typical propagation parameters.
Date: April 20, 1982
Creator: Lee, Edward P.
Object Type: Report
System: The UNT Digital Library
Real time loss detection for SNM in process (open access)

Real time loss detection for SNM in process

This paper discusses the basis of a design for real time special nuclear material (SNM) loss detectors. The design utilizes process measurements and signal processing techniques to produce a timely estimate of material loss. A state estimator is employed as the primary signal processing algorithm. Material loss is indicated by changes in the states or process innovations (residuals). The design philosophy is discussed in the context of these changes.
Date: March 20, 1980
Creator: Candy, J. V.; Dunn, D. R. & Gavel, D. T.
Object Type: Article
System: The UNT Digital Library
Intense electron beams (open access)

Intense electron beams

This paper is concerned with intense electron beams, typically of the order of a few kA in current and up to tens of MeV in beam energy. A beam of this kind can be produced from induction machines, examples of which are the ERA (4 MeV, 1 kA) at Lawrence Berkeley Laboratory and the ASTRON (5 MeV, 500A), ETA (5 MeV, 10 kA), and ATA (50 MeV, 10 kA) at Lawrence Livermore National Laboratory (LLNL). The emphasis of the paper is on the characteristics of these beams and some applications. 13 refs., 2 figs. (LSP)
Date: October 20, 1987
Creator: Yu, S. S.
Object Type: Article
System: The UNT Digital Library
Nuclear waste immobilization. Progress report (open access)

Nuclear waste immobilization. Progress report

United States defense nuclear wastes are presently in tank storage, largely as sludges comprising Fe, Mn, Ni, U and Na oxides and hydroxides, together with 0.5 to 5 percent of fission products and actinides (exclusive of uranium). The relative proportions of Al, Fe, Mn, Ni, U and Na in the sludges from different tanks vary considerably, except that (Fe + Al + Mn) are by far the major components and Fe is more abundant than Mn. Typical compositions of some calcined sludges from Savannah River are given. This paper briefly describes how the SYNROC process, utilizing straightforward technology, can be readily adapted to the problem of defense waste immobilization, yielding a dense, inert, ceramic waste-form, SYNROC-D. Two classes of processes are discussed - one designed to immobilize sludges containing normal amounts of sodium and the other designed for otherwise similar sludges which are, however, strongly depleted in sodium as a result of more efficient washing procedures.
Date: November 20, 1979
Creator: Ringwood, A.E.; Sinclair, W. & McLaughlin, G.M.
Object Type: Report
System: The UNT Digital Library