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Accelerator technology program. Progress report, January-June 1981
This report covers the activities of Los Alamos National Laboratory's Accelerator Technology Division during the first 6 months of calendar 1981. We discuss the Division's major projects, which reflect a variety of applications and sponsors. The varied technologies concerned with the Proton Storage ring are concerned with the Proton Storage Ring are continuing and are discussed in detail. For the racetrack microtron (RTM) project, the major effort has been the design and construction of the demonstration RTM. Our development of the radio-frequency quadrupole (RFQ) linear accelerator continues to stimulate interest for many possible applications. Frequent contacts from other laboratories have revealed a wide acceptance of the RFQ principle in solving low-velocity acceleration problems. In recent work on heavy ion fusion we have developed ideas for funneling beams from RFQ linacs; the funneling process is explained. To test as many aspects as possible of a fully integrated low-energy portion of a Pion generator for Medical Irradiation (PIGMI) Accelerator, a prototype accelerator was designed to take advantage of several pieces of existing accelerator hardware. The important principles to be tested in this prototype accelerator are detailed. Our prototype gyrocon has been extensively tested and modified; we discuss results from our investigations. Our …
Date:
May 1, 1982
Creator:
Knapp, E.A. & Jameson, R.A. (comps.)
Object Type:
Report
System:
The UNT Digital Library
Accelerator technology program. Progress report, July-December 1980
The activities of Los Alamos National Laboratory's Accelerator Technology Division are discussed. This report covers the last six months of calendar 1980 and is organized around the Division's major projects. These projects reflect a wide variety of applications and sponsors. The major technological innovations promoted by the Pion Generator for Medical Irradiation (PIGMI) program have been developed; accelerator technologies relevant to the design of a medically practical PIGMI have been identified. A new group in AT Division deals with microwave and magnet studies; we describe the status of some of their projects. We discuss the prototype gyrocon, which has been completed, and the development of the radio-frequency quadrupole linear accelerator, which continues to stimulate interest for many possible applications. One section of this report briefly describes the results of a design study for an electron beam ion source that is ideally suited as an injector for a heavy ion linac; another section reports on a turbine engine test facility that will expose operating turbine engines to simulated maneuver forces. In other sections we discuss various activities: the Fusion Materials Irradiation Test program, the free-electron laser program, the racetrack microtron project, the Proton Storage ring, and H/sup -/ ion sources and …
Date:
January 1, 1982
Creator:
Knapp, E.A. & Jameson, R.A. (comp.)
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
Accident analysis and DOE criteria
In analyzing the radiological consequences of major accidents at DOE facilities one finds that many facilities fall so far below the limits of DOE Order 6430 that compliance is easily demonstrated by simple analysis. For those cases where the amount of radioactive material and the dispersive energy available are enough for accident consequences to approach the limits, the models and assumptions used become critical. In some cases the models themselves are the difference between meeting the criteria or not meeting them. Further, in one case, we found that not only did the selection of models determine compliance but the selection of applicable criteria from different chapters of Order 6430 also made the difference. DOE has recognized the problem of different criteria in different chapters applying to one facility, and has proceeded to make changes for the sake of consistency. We have proposed to outline the specific steps needed in an accident analysis and suggest appropriate models, parameters, and assumptions. As a result we feed DOE siting and design criteria will be more fairly and consistently applied.
Date:
January 1, 1982
Creator:
Graf, Joseph M. & Elder, John C.
Object Type:
Article
System:
The UNT Digital Library
Accident Generated Particulate Materials and Their Characteristics -- A Review of Background Information
Safety assessments and environmental impact statements for nuclear fuel cycle facilities require an estimate of the amount of radioactive particulate material initially airborne (source term) during accidents. Pacific Northwest Laboratory (PNL) has surveyed the literature, gathering information on the amount and size of these particles that has been developed from limited experimental work, measurements made from operational accidents, and known aerosol behavior. Information useful for calculating both liquid and powder source terms is compiled in this report. Potential aerosol generating events discussed are spills, resuspension, aerodynamic entrainment, explosions and pressurized releases, comminution, and airborne chemical reactions. A discussion of liquid behavior in sprays, sparging, evaporation, and condensation as applied to accident situations is also included.
Date:
May 1, 1982
Creator:
Sutter, S. L.
Object Type:
Report
System:
The UNT Digital Library
Accommodation project for physically restricted personnel, Phase 1. Addendum: job-based criteria for nonskilled heavy laborers
A study was conducted to determine possible accommodations for physically or medically restricted persons in the unskilled heavy labor group at Sandia National Laboratories. We conclude that only a very limited number of physically restricted persons might be accommodated under special conditions.
Date:
August 1, 1982
Creator:
Young, L. L., III & Mossman, P. B.
Object Type:
Report
System:
The UNT Digital Library
Accommodation project for physically restricted personnel. Phase II. Low back project
This report presents a course outline and its associated criteria for a Back Pain Prevention Program for Sandia National Laboratories.
Date:
August 1, 1982
Creator:
Young, L. L. & Mossman, P. B.
Object Type:
Report
System:
The UNT Digital Library
Accurate monotonicity-preserving cubic interpolation
A simple and effective algorithm to construct a monotonicity-preserving cubic Hermite interpolant for data with rapid variations is presented. Constraining the derivatives of the interpolant according to geometric considerations makes the interpolant consistent with local monotonicity properties of the data. Numerical examples are given that compare the quality and accuracy of the proposed interpolation method with other standard interpolants.
Date:
February 1, 1982
Creator:
Hyman, J. M.
Object Type:
Report
System:
The UNT Digital Library
ACDOS3: a further improved neutron dose-rate code
ACD0S3 is a computer code designed primarily to calculate the activities and dose rates produced by neutron activation in a variety of simple geometries. Neutron fluxes, in up to 50 groups and with energies up to 20 MeV, must be supplied as part of the input data. The neutron-source strength must also be supplied, or alternately, the code will compute it from neutral-beam operating parameters in the case where the source is a fusion-reactor injector. ACD0S3 differs from the previous version ACD0S2 in that additional geometries have been added, the neutron cross-section library has been updated, an estimate of the energy deposited by neutron reactions has been provided, and a significant increase in efficiency in reading the data libraries has been incorporated.
Date:
July 1, 1982
Creator:
Martin, C.S.
Object Type:
Report
System:
The UNT Digital Library
[Ace Reid on Storytelling Stage]
Photograph of Ace Reid, cartoonist and humorist from Kerrville, on the storytelling stage at the Texas Folklife Festival in San Antonio, Texas. Wearing a cowboy hat, aviator sunglasses, and a plaid shirt, he is speaking into a microphone which he is holding.
Date:
[1982-08-05..1982-08-08]
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History
[Ace Reid on Storytelling Stage]
Photograph of Ace Reid, cartoonist and humorist from Kerrville, on the storytelling stage at the Texas Folklife Festival in San Antonio, Texas. Wearing a cowboy hat, aviator sunglasses, and a plaid shirt, he is speaking into a microphone which he is holding. Behind him a rocking chair and a small hay bale is visible.
Date:
[1982-08-05..1982-08-08]
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History
Acid digestion of combustible radioactive wastes
The following conclusions resulted from operation of Radioactive Acid Digestion Test Unit (RADTU) for processing transuranic waste: (1) the acid digestion process can be safely and efficiently operated for radioactive waste treatment.; (2) in transuranic waste treatment, there was no detectable radionuclide carryover into the exhaust off-gas. The plutonium decontamination factor (DF) between the digester and the second off-gas tower was >1.5 x 10/sup 6/ and the overall DF from the digester to the off-gas stack was >1 x 10/sup 8/; (3) plutonium can be easily leached from undried digestion residue with dilute nitric acid (>99% recovery). Leachability is significantly reduced if the residue is dried (>450/sup 0/stack temp.) prior to leaching; (4) sulfuric acid recovery and recycle in the process is 100%; (5) nitric acid recovery is typically 35% to 40%. Losses are due to the formation of free nitrogen (N/sub 2/) during digestion, reaction with chlorides in waste (NO/sub 2/stack was > 1.5 x 10/sup 6/ andl), and other process losses; (6) noncombustible components comprised approximately 6% by volume of glovebox waste and contained 18% of the plutonium; (7) the acid digestion process can effectively handle a wide variety of waste forms. Some design changes are desirable in …
Date:
March 1, 1982
Creator:
Allen, C. R.; Lerch, R. E.; Crippen, M. D. & Cowan, R. G.
Object Type:
Article
System:
The UNT Digital Library
Acid hydrolysis of tetraphenylborate at elevated temperature and pressure
Sodium tetraphenylborate is used to coprecipitate cesium with potassium in the precipitation process that has been developed to decontaminate waste salt solutions. This report summarizes the results that have been obtained.
Date:
May 17, 1982
Creator:
Fowler, J. R.
Object Type:
Report
System:
The UNT Digital Library
Acid rain: commentary on controversial issues and observations on the role of fuel burning
Even though much information has been accumulated on the subject of acid precipitation, lack of knowledge in certain technical areas precludes an adequate understanding of (1) how serious the acid precipitation problem really is and (2) what effect controlling sources of acid precipitation precursors would have in reducing acidification. It is nevertheless possible to draw some broad conclusions regarding the problem and to ascertain the direction that the required further work should take. This report presents the results of an investigation of various issues associated with acid rain. The following topics are addressed: occurrence of acid precipitation; effects of acid precipitation; sources of acid precipitation; transport, transformation, and deposition of acid pollutants; and fuel trend analysis. Recommendations for further research are included. (DMC)
Date:
March 1, 1982
Creator:
Szabo, M. F.; Esposito, M. P. & Spaite, P. W.
Object Type:
Report
System:
The UNT Digital Library
Acidification of geothermal wells: Laboratory experiments. Geothermal Reservoir Well-Stimulation program
The laboratory testing of the reactions of acetic, formic, hydrochloric, and hydrofluoric acids with calcium carbonate, kaolin, sepiolite, and two formation materials at geothermal temperatures is described. A workable test procedure was developed which provided information regarding the relative reactivities of selected minerals or formation materials with three of the four acids investigated. Tests with hydrochloric acid were complicated by reactions of the acid with the test vessel materials and therefore, only very limited work could be done with this acid at the desired temperatures. In spite of these difficulties, information regarding the amount of soluble material in the various acids was obtained. From this information an approximate value for the percent dissolution of the minerals under the different reaction conditions could be calculated. Additional information regarding the formation of solid secondary reaction products upon cooling of the reacted acid was also obtained. The implication of the mineral reactivities with the different acids and the formation of secondary solids on geothermal acidizing operations are discussed. Some selected scale inhibitors (for calcium carbonate) were tested for their hydrothermal stability. Their efficiency in inhibiting the formation of calcium carbonate scale before and after aging at 500/sup 0/F was measured. The implications of …
Date:
January 1, 1982
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Acidification of Geothermal Wells Laboratory Experiments - Geothermal Reservoir Well Stimulation Program
This report describes the laboratory testing of the reactions of acetic, formic, hydrochloric, ad hydrofluoric acids with calcium carbonate, kaolin, sepiolite, and two formation materials at geothermal temperatures. In general, a workable test procedure was developed which provided information regarding the relative reactivities of selected minerals or formation materials with three of the four acids investigated. Tests with hydrochloric acrid were complicated by reactions of the acid with the test vessel materials and therefore, only very limited work could be done with this acid at the desired temperatures. In spite of these difficulties, information regarding the amount of soluble material in the various acids was obtained. From this under the different reaction conditions could be calculated. Additional information regarding the formation of solid secondary reaction products upon cooling of the reacted acid was also obtained. The implication of the mineral reactivities with the different acids and the formation of secondary solids on geothermal acidizing operations are discussed. In addition, some selected scale inhibitors (for calcium carbonate) were tested for their hydrothermal stability. Their efficiency in inhibiting the formation of calcium carbonate scale before and after aging at 500{degree}F was measured. The implications of the loss of efficiency of these materials …
Date:
January 1, 1982
Creator:
Vetter Research
Object Type:
Report
System:
The UNT Digital Library
Acoustic agglomeration of power plant fly ash. Final report
The work has shown that acoustic agglomeration at practical acoustic intensities and frequencies is technically and most likely economically viable. The following studies were performed with the listed results: The physics of acoustic agglomeration is complex particularly at the needed high acoustic intensities in the range of 150 to 160 dB and frequencies in the 2500 Hz range. The analytical model which we developed, although not including nonlinear acoustic efforts, agreed with the trends observed. We concentrated our efforts on clarifying the impact of high acoustic intensities on the generation of turbulence. Results from a special set of tests show that although some acoustically generated turbulence of sorts exists in the 150 to 170 dB range with acoustic streaming present, such turbulence will not be a significant factor in acoustic agglomeration compared to the dominant effect of the acoustic velocities at the fundamental frequency and its harmonics. Studies of the robustness of the agglomerated particles using the Anderson Mark III impactor as the source of the shear stresses on the particles show that the agglomerates should be able to withstand the rigors of flow through commercial cyclones without significant break-up. We designed and developed a 700/sup 0/F tubular agglomerator of …
Date:
January 1, 1982
Creator:
Reethof, G. & McDaniel, O.H.
Object Type:
Report
System:
The UNT Digital Library
Acoustic disturbance at ionospheric heights caused by the MILL RACE explosion
The principal objective of the Los Alamos National Laboratory in the MILL RACE experiment was to measure the over-head ionospheric response due to the MILL RACE explosion. Such a measurement enables one to test computer models designed to quantitatively predict ionospheric disturbances caused by known sources. The emphasis of the models has been directed at calculating effects on rf propagation associated with the predicted ionospheric disturbances. Consequently vertical incidence phase sounding measurements of a well-characterized source provide a direct and sensitive test of the computer models and, for this reason, a vertical incidence phase sounder was located 3300 meters to the west of the MILL RACE ground zero. Another area of interest is the development of an understanding of the atmospheric response to known sources at distances where the acoustic response no longer dominates. Such an undertaking requires measurements at these remote points. Deployment of a bistatic sounding network enabled the investigation of this area of interest. Results are reported.
Date:
January 1, 1982
Creator:
Rickel, D.G. & Simons, D.J.
Object Type:
Article
System:
The UNT Digital Library
Acoustic-emission monitoring of LOFT fuel-cladding-burst tests
Experiments at the Loss-of-Fluid Test Facility (LOFT), beginning with experiment L6-8 (Anticipated Transient Experiment), will use a core equipped with several pressurized fuel rods. Because some of the tests may produce temperature and pressure conditions which could conceivably burst a number of rods, a nondestructive method for burst detection is needed. Acoustic emission monitoring of a number of tests of small zircaloy tubing samples, each with internal gas volume similar to that of an actual fuel rod, showed this technique to be feasible and warranting further investigation. Burst signal amplitudes at room temperature and even at temperatures in excess of 1144/sup 0/K (1600/sup 0/F) (in tests run as part of another program) were 30 to 40 dB above background noise levels.
Date:
February 1, 1982
Creator:
Reinhardt, W. W.
Object Type:
Report
System:
The UNT Digital Library
ACTAS/Proceedings: Volume 2
Separate abstracts have been prepared for the 17 original papers and their translations included. (ACR)
Date:
January 1, 1982
Creator:
unknown
Object Type:
Article
System:
The UNT Digital Library
ACTH- and Cytochalasin-Related Changes in Adrenal Cell Morphology and Cytoskeleton
Following 1 hr incubation with ACTH, cytochalasin D or ACTH/cytochalasin, detergent-solubilized mouse adrenal tumor cells cytoskeletal changes were examined using scanning and transmission electron microscopy. Steroid production was also examined.
Date:
August 1982
Creator:
Rainey, William E. (William Elbert)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Actinide integral measurements in the CFRMF and integral tests for ENDF/B-V
Integral capture and/or fission rates have been reported earlier for several actinides irradiated in the fast neutron field of the Coupled Fast Reactivity Measurements Facility (CFRMF). These nuclides include /sup 232/Th, /sup 233/U, /sup 235/U, /sup 238/U, /sup 237/Np, /sup 239/Pu, /sup 240/Pu, /sup 242/Pu, /sup 241/Am and /sup 243/Am. This paper forucses on the utilization of these integral data for testing the respective cross sections on ENDF/B-V. Integral cross sections derived from the measured reaction rates are tabulated. Results are presented for cross-section data testing which includes integral testing based on a comparison of calculated and measured integral cross sections and testing based on least-squares-adjustment analyses.
Date:
January 1, 1982
Creator:
Anderl, R. A.
Object Type:
Report
System:
The UNT Digital Library
ACTVE News, Volume 13, Number 1, January 1982
Newsletter issued by the Advisory Council for Technical-Vocational Education in Texas discussing news, events, and other relevant information related to technical and vocational education for adults in Texas.
Date:
January 1982
Creator:
Advisory Council for Technical-Vocational Education in Texas
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
ACTVE News, Volume 13, Number 2, February 1982
Newsletter issued by the Advisory Council for Technical-Vocational Education in Texas discussing news, events, and other relevant information related to technical and vocational education for adults in Texas.
Date:
February 1982
Creator:
Advisory Council for Technical-Vocational Education in Texas
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History