Annual environmental monitoring report of the Lawrence Berkeley Laboratory (open access)

Annual environmental monitoring report of the Lawrence Berkeley Laboratory

In order to establish whether LBL research activities produces any impact on the population surrounding the Laboratory, a program of environmental air and water sampling and continuous radiation monitoring was carried on throughout the year. For 1982, as in the previous several years, doses attributable to LBL radiological operations were a small fraction of the relevant radiation protection guidelines (RPG). The maximum perimeter dose equivalent was less than or equal to 24.0 mrem (the 1982 dose equivalent measured at the Building 88 monitoring station B-13A, about 5% of the RPG). The total population dose equivalent attributable to LBL operations during 1982 was less than or equal to 16 man-rem, about 0.002% of the RPG of 170 mrem/person to a suitable sample of the population.
Date: April 1, 1983
Creator: Schleimer, G.E. (ed.)
Object Type: Report
System: The UNT Digital Library
Collider detectors: present capabilities and future possibilities (open access)

Collider detectors: present capabilities and future possibilities

Separate abstracts were prepared for 27 papers in this conference proceedings. Thirteen other papers had been previously abstracted for EDB. (LEW)
Date: April 1, 1983
Creator: Loken, S.C. & Nemethy, P. (eds.)
Object Type: Article
System: The UNT Digital Library
High-spin. gamma. -ray spectroscopy: past successes, future hopes (open access)

High-spin. gamma. -ray spectroscopy: past successes, future hopes

Nuclei can carry angular momentum by aligning individual particles along the rotation axis or by rotation of a deformed nucleus as a whole. The interweaving of these modes leads to a variety of behavior that is just beginning to be observed and explained. The discrete ..gamma..-ray studies have led to a new backbending spectroscopy, which is telling us about the details of particle alignments and monopole and quadrupole pairing. The high-spin continuum studies, as yet less well developed, are indicating changes in shape and structure, as well as particle alignments from higher shells. New developments in detector systems and in theory promise much more detailed comparisons of experiment and theory and consequent increase in our knowledge of nuclear behavior at high spin.
Date: April 1, 1983
Creator: Diamond, R. M.
Object Type: Article
System: The UNT Digital Library
e/sup +/e/sup -/ interactions at very high energy: searching beyond the standard model (open access)

e/sup +/e/sup -/ interactions at very high energy: searching beyond the standard model

These lectures discuss e/sup +/e/sup -/ interactions at very high energies with a particular emphasis on searching the standard model which we take to be SU(3)/sub color/..lambda.. SU(2) ..lambda.. U(1). The highest e/sup +/e/sup -/ collision energy exploited to date is at PETRA where data have been taken at 38 GeV. We will consider energies above this to be the very high energy frontier. The lectures will begin with a review of the collision energies which will be available in the upgraded machines of today and the machines planned for tomorrow. Without going into great detail, we will define the essential elements of the standard model. We will remind ourselves that some of these essential elements have not yet been verified and that part of the task of searching beyond the standard model will involve experiments aimed at this verification. For if we find the standard model lacking, then clearly we are forced to find an alternative. So we will investigate how the higher energy e/sup +/e/sup -/ collisions can be used to search for the top quark, the neutral Higgs scalar, provide true verification of the non-Abelian nature of QCD, etc. Having done this we will look at tests …
Date: April 1, 1983
Creator: Dorfan, J.
Object Type: Article
System: The UNT Digital Library
Radon diffusion in candidate soils for covering uranium mill tailings (open access)

Radon diffusion in candidate soils for covering uranium mill tailings

Diffusion coefficients were measured for radon in 34 soils that had been identified by mill personnel as candidate covers for their tailings piles in order to reduce radon emission. These coefficients referred to diffusion in the total pore space of the soils. They were measured in the laboratory by a steady-state method using soil columns compacted to greater than 80% of their Proctor maximum packing densities but with moisture contents generally less than would be expected at a tailings site. An empirical equation was used to extrapolate measured coefficients to value expected at soil-moisture contents representative of tailings sites in the western United States. Extrapolated values for silty sands and clayey sands ranged from 0.004 to 0.06 cm/sup 2//s. Values for inorganic silts and clays ranged from 0.001 to 0.02 cm/sup 2//s.
Date: April 1, 1983
Creator: Silker, W. B. & Kalkwarf, D. R.
Object Type: Report
System: The UNT Digital Library
Improvement of reliability of welding by in-process sensing and control (development of smart welding machines for girth welding of pipes). Final report (open access)

Improvement of reliability of welding by in-process sensing and control (development of smart welding machines for girth welding of pipes). Final report

Closed-loop control of the welding variables represents a promising, cost-effective approach to improving weld quality and therefore reducing the total cost of producing welded structures. The ultimate goal is to place all significant weld variables under direct closed-loop control; this contrasts with preprogrammed machines which place the welding equipment under control. As the first step, an overall strategy has been formulated and an investigation of weld pool geometry control for gas tungsten arc process has been completed. The research activities were divided into the areas of arc phenomena, weld pool phenomena, sensing techniques and control activities.
Date: April 1, 1983
Creator: Hardt, D.E.; Masubuchi, K.; Paynter, H.M. & Unkel, W.C.
Object Type: Report
System: The UNT Digital Library
An Electric and Magnetic Field Sensor for Simultaneous Electromagnetic Near-Field Measurements -- Theory (open access)

An Electric and Magnetic Field Sensor for Simultaneous Electromagnetic Near-Field Measurements -- Theory

Abstract: This paper describes the theory of a single sensor to perform simultaneous electric and magnetic near-field measurements. The theory indicates that it is possible to obtain the magnetic-loop and electric-dipole currents using a loop terminated with identical loads at diametrically opposite points. The theory also indicates that it is possible to obtain an ideal load impedance for achieving equal electric and magnetic field responses of the loop. Preliminary experiments have been performed using plane waves to verify these results. Key words: electric field, electromagnetic interference, electromagnetic radiation, loop, magnetic field, near fields.
Date: April 1983
Creator: Kanda, Motohisa
Object Type: Report
System: The UNT Digital Library
Proceedings of the Joint Panel Conference of the U.S.-Japan Cooperative Program in Natural Resources: 1982 (open access)

Proceedings of the Joint Panel Conference of the U.S.-Japan Cooperative Program in Natural Resources: 1982

Abstract: The 14th Joint Meeting of the U.S. - Japan Panel on Wind and Seismic Effects was held in Washington, D. C., United States front May 17 through 20, 1982. This publication, which is the proceedings of the Joint Meeting, includes the program, list of members, formal resolutions, technical papers, and the task committee report:. Subjects covered in the papers presented to the panel include: (l) characteristics of strong winds, (2) wind loads on structures and design criteria, (3) earthquake ground motions and dynamic analysis of embankment dams, (4) soil liquefaction study and methods to improve liquefaction resistance. (5) seismic loads on structures and design criteria, (6) stress analyses of pipelines during earthquakes, (7) full-scale seismic experiments, (8) earthquake hazard reduction program, (9) use of microcomputer for earthquake studies, (10) quantitative evaluation of damages caused by winds and earthquakes, and (11) tsunami research projects.
Date: April 1983
Creator: United States-Japan Cooperative Program in Natural Resources. Panel on Wind and Seismic Effects.
Object Type: Report
System: The UNT Digital Library
Proceedings of the fifth symposium on training of nuclear facility personnel (open access)

Proceedings of the fifth symposium on training of nuclear facility personnel

Separate abstracts were prepared for 22 papers in this symposium proceedings. (LEW)
Date: April 1, 1983
Creator: unknown
Object Type: Article
System: The UNT Digital Library
Facilities and procedures used for the performance testing of DOE personnel dosimetry systems (open access)

Facilities and procedures used for the performance testing of DOE personnel dosimetry systems

Radiological calibration facilities for personnel dosimeter testing were developed at the Pacific Northwest Laboratory (PNL) for the Department of Energy (DOE) to provide a capability for evaluating the performance of DOE personnel dosimetry systems. This report includes the testing methodology used. The informational presented here meets requirements specified in draft ANSI N13.11 for the testing laboratory. The capabilities of these facilities include sealed source irradiations for /sup 137/Cs, several beta-particle emitters, /sup 252/Cf, and machine-generated x-ray beams. The x-ray beam capabilities include filtered techniques maintained by the National Bureau of Standards (NBS) and K-fluorescent techniques. The calibration techniques, dosimeter irradiation procedures, and dose-equivalent calculation methods follow techniques specified by draft ANSI N13.11 where appropriate.
Date: April 1, 1983
Creator: Roberson, P. L.; Fox, R. A.; Hogan, R. T.; Holbrook, K. L.; Hooker, C. D. & Yoder, R. C.
Object Type: Report
System: The UNT Digital Library
Status of the iota (1440) and theta (1640) as gluonium candidates (open access)

Status of the iota (1440) and theta (1640) as gluonium candidates

A review of the experimental evidence for the iota (1440) and theta (1640) states is presented. The measured properties of these states are compared with various theoretical predictions. A likely interpretation is that these states contain a large gluonic admixture.
Date: April 1, 1983
Creator: Lockman, W.S.
Object Type: Article
System: The UNT Digital Library
Phase equilibria for complex fluid mixtures (open access)

Phase equilibria for complex fluid mixtures

After defining complex mixtures, attention is given to the canonical procedure used for the thermodynamics of fluid mixtures: first, we establish a suitable, idealized reference system and then we establish a perturbation (or excess function) which corrects the idealized system for real behavior. For complex mixtures containing identified components (e.g. alcohols, ketones, water) discussion is directed at possible techniques for extending to complex mixtures our conventional experience with reference systems and perturbations for simple mixtures. Possible extensions include generalization of the quasi-chemical approximation (local compositions) and superposition of chemical equilibria (association and solvation) on a physical equation of state. For complex mixtures containing unidentified components (e.g. coal-derived fluids), a possible experimental method is suggested for characterization; conventional procedures can then be used to calculate phase equilibria using the concept of pseudocomponents whose properties are given by the characterization data. Finally, as an alternative to the pseudocomponent method, a brief introduction is given to phase-equilibrium calculations using continuous thermodynamics.
Date: April 1, 1983
Creator: Prausnitz, J.M.
Object Type: Article
System: The UNT Digital Library
Effect of soil erosion on the long-term stability of FUSRAP near-surface waste-burial sites (open access)

Effect of soil erosion on the long-term stability of FUSRAP near-surface waste-burial sites

Decontamination of FUSRAP sites could result in the generation of large volumes (in excess of 400,000 m/sup 3/) of low-activity radioactive wastes (primarily contaminated soil and building materials) requiring subsequent disposal. It is likely that near-surface burial will be seriously considered as an option for disposal of these materials. A number of factors - including soil erosion - could adversely affect the long-term stability of a near-surface waste-burial site. The majority of FUSRAP sites are located in the humid eastern United States, where the principal cause of erosion is the action of water. This report examines the effect of soil erosion by water on burial-site stability based on analysis of four hypothetical near-surface burial sites. The Universal Soil Loss Equation was employed to estimate average annual soil loss from burial sites and the 1000-year effects of soil loss on the soil barrier (burial trench cap) placed over low-activity wastes. Results suggest that the land use of the burial site and the slope gradient of the burial trench cap significantly affect the rate of soil erosion. The development of measures limiting the potential land use of a burial site (e.g., mixing large rocks into the burial trench cap) may be required …
Date: April 1, 1983
Creator: Knight, M.J.
Object Type: Report
System: The UNT Digital Library
Beam-head erosion in a highly conductive background (open access)

Beam-head erosion in a highly conductive background

An analytic estimate of beam heat erosion in a highly conductive background is presented and compared to numerical results. Model equations are derived and forced into a self-similar form from which parameter scalings are easily obtained. It is found that erosion in this limit is driven by scattering and is very rapid for high conductivities (greater than or equal to 10/sup 11/) due to the high fraction of current neutralization.
Date: April 26, 1983
Creator: Buchanan, H.L.
Object Type: Report
System: The UNT Digital Library
Environmental and biological behaviour of plutonium and some other transuranium elements (open access)

Environmental and biological behaviour of plutonium and some other transuranium elements

The objectives are to summarize our knowledge of the way in which plutonium and some other transuranium elements migrate through ecosystems; to consider how the physiochemical state of these elements and the biological systems through which they pass may influence this movement; and to put into perspective the risks of serious illness in man resulting from his exposure to these elements in the environment.
Date: April 7, 1983
Creator: Richmond, C.R.
Object Type: Article
System: The UNT Digital Library
1982 UCC-ND/GAT environmental protection seminar: proceedings (open access)

1982 UCC-ND/GAT environmental protection seminar: proceedings

This environmental protection seminar was divided into seven sessions: (1) general environmental protection, (2) air and water pollution control, (3) spill control and countermeasures, (4) toxic materials control, (5) hazardous materials control, (6) environmental protection projects, and (7) cost benefit analysis. Separate abstracts have been prepared for the 41 papers presented therein. (ACR)
Date: April 1, 1983
Creator: unknown
Object Type: Article
System: The UNT Digital Library
Mechanistic modeling and correlations for pool-entrainment phenomenon (open access)

Mechanistic modeling and correlations for pool-entrainment phenomenon

Entrainment from a liquid pool with boiling or bubbling is of considerable practical importance in safety evaluation of nuclear reactor under off-normal transients or accidents such as loss-of-coolant and loss-of-flow accidents. Droplets which are suspended from a free surface are partly carried away by streaming gas and partly returned back to free surface by the gravity. A correlation is developed for the pool entrainment amount based on simple mechanistic modeling and a number of data. This analysis reveals that there exist three regions of entrainment in the axial direction from a pool surface. In the first region (near surface region), entrainment is independent of height and gas velocity. In the second region (momentum controlled region), the amount of entrainment decreases with increasing height from the free surface and increases with increasing gas velocity. In the third region (deposition controlled region), the entrainment increases with increasing height due to deposition of droplets. The present correlation agrees well with a large number of experimental data over a wide range of pressure for air-water and steam-water systems.
Date: April 1, 1983
Creator: Kataoka, I. & Ishii, M.
Object Type: Report
System: The UNT Digital Library
Contingency plan for the Lawrence Livermore National Laboratory, Site 300, hazardous waste operations (open access)

Contingency plan for the Lawrence Livermore National Laboratory, Site 300, hazardous waste operations

This contingency plan for hazardous waste release provides guidance for coordinating response efforts. With a goal to minimize hazards to human health and life; and protect livestock, wildlife, the environment, and property in the event of a fire, explosion, or any unplanned release of hazardous substances or mixtures to the air, water, or soil. In this document, hazardous waste includes all waste substances or mixtures that: contain any of the hazardous substances listed in the Resource Conservation and Recovery Act; have the characteristic of being toxic, flammable, reactive, corrosive, an irritant, and/or a strong sensitizer; are radioactive and are used in experiments at Site 300; or could have a significant effect on the environment. This Plan includes an overview of emergency response capabilities; and responsibilities assigned to both LLNL and non-LLNL emergency response personel. (PSB)
Date: April 1, 1983
Creator: Gonzalez, M.A.
Object Type: Report
System: The UNT Digital Library
Driver options and burn-cycle selection based on power-reactor considerations (open access)

Driver options and burn-cycle selection based on power-reactor considerations

Reactor implications for noninductive current drive are presented based on a number of studies. First, the lower hybrid driver for the STARFIRE reactor is discussed and the disadvantages of this driver are reviewed. Next, the results of an extensive search for a better current driver are presented. A large number of alternatives were compared in a common context, the DEMO reactor, in order to examine their suitability on a standard basis. Finally, the methodology of a study, currently in progress, is described. The goals of this last study are to compare tokamak reactor designs optimized for operation under different burn cycles, in order to assess the actual benefits and costs of pulsed versus steady-state operation.
Date: April 1, 1983
Creator: Ehst, D.A.
Object Type: Article
System: The UNT Digital Library
Comparison of field-measured radon diffusion coefficients with laboratory-measured coefficients (open access)

Comparison of field-measured radon diffusion coefficients with laboratory-measured coefficients

Experiments were conducted to compare radon diffusion coefficients determined for 0.1-m depths of soils by a steady-state method in the laboratory and diffusion coefficients evaluated from radon fluxes through several-fold greater depths of the same soils covering uranium-mill tailings. The coefficients referred to diffusion in the total pore volume of the soils and are equivalent to values for the quantity, D/P, in the Generic Environmental Impact Statement on Uranium Milling prepared by the US Nuclear Regulatory Commission. Two soils were tested: a well-graded sand and an inorganic clay of low plasticity. For the flux evaluations, radon was collected by adsorption on charcoal following passive diffusion from the soil surface and also from air recirculating through an aluminum tent over the soil surface. An analysis of variance in the flux evaluations showed no significant difference between these two collection methods. Radon diffusion coefficients evaluated from field data were statistically indistinguishable, at the 95% confidence level, from those measured in the laboratory; however, the low precision of the field data prevented a sensitive validation of the laboratory measurements. From the field data, the coefficients were calculated to be 0.03 +- 0.03 cm/sup 2//s for the sand cover and 0.0036 +- 0.0004 cm/sup …
Date: April 1, 1983
Creator: Lepel, E. A.; Silker, W. B.; Thomas, V. W. & Kalkwarf, D. R.
Object Type: Report
System: The UNT Digital Library
Specification for Strontium-90 500-Watt(E) Radioisotopic Thermoelectric Generator. Final Report (open access)

Specification for Strontium-90 500-Watt(E) Radioisotopic Thermoelectric Generator. Final Report

A conceptual design for a demonstration 500-watt(e) radioisotopic thermoelectric generator has been created for the Department of Energy. The design effort was divided into two tasks, viz., create a design specification for a capsule strength member that utilizes a standard Strontium-90 fluoride-filled WESF inner liner, and create a conceptual design for a 500-watt(e) RTG. Both tasks have been accomplished. The strength-member specification was designed to survive an external pressure of 24,500 psi and meet the requirements of special-form radioisotope heat sources. Therefore the capsule can, if desired, be licensed for domestic and international transport. The design for the RTG features a radioisotopic heat source, an array of nine capsules in a tungsten biological shield, four current-technology series-connected thermoelectric-conversion modules, low-conductivity thermal insulation, and a passive finned-housing radiator for waste-heat dissipation. The preliminary RTG specification formulated previous to contract award has been met or exceeded. The power source will generate the required power for the required service period at 28 volts dc with a conversion efficiency of 8%, provided the existing in-pool capsules at WESF meet the assumed thermal-inventory requirements.
Date: April 1, 1983
Creator: Hammel, T.; Himes, J.; Lieberman, A.; McGrew, J.; Owings, D. & Schumann, F.
Object Type: Report
System: The UNT Digital Library
Mechanical engineering aspects of TFTR (open access)

Mechanical engineering aspects of TFTR

This paper briefly presents the principles which characterize a tokamak and discusses the mechanical aspects of TFTR, particularly the toroidal field coils and the vacuum chamber, in the context of being key components common to all tokamaks. The mechanical loads on these items as well as other design requirements are considered and the solutions to these requirements as executed in TFTR are presented. Future technological developments beyond the scope of TFTR, which are necessary to bring the tokamak concept to a full fusion-power system, are also presented. Additional methods of plasma heating, current drive, and first wall designs are examples of items in this category.
Date: April 1, 1983
Creator: Citrolo, J.C.
Object Type: Article
System: The UNT Digital Library
Evolution of the Ultra High Energy Cosmic Ray Spectrum by Transport Equation (open access)

Evolution of the Ultra High Energy Cosmic Ray Spectrum by Transport Equation

Ultra-high energy proton primaries interacting with the 3/sup 0/K photon background are treated as a transport phenomenon. Baryon number is explicitly conserved and the evolved spectrum develops a bump at a scale of order 5x10/sup 19/ eV, below the cutoff, due to the pile-up of energy degraded protons. This may correspond in part to the observed ankle structure in the CR spectrum.
Date: April 1, 1983
Creator: Hill, C. T. & Schramm, D. N.
Object Type: Report
System: The UNT Digital Library
Environmental Sciences Division annual progress report for period ending September 30, 1982. Environmental Sciences Division Publication No. 2090. [Lead abstract] (open access)

Environmental Sciences Division annual progress report for period ending September 30, 1982. Environmental Sciences Division Publication No. 2090. [Lead abstract]

Separate abstracts were prepared for 12 of the 14 sections of the Environmental Sciences Division annual progress report. The other 2 sections deal with educational activities. The programs discussed deal with advanced fuel energy, toxic substances, environmental impacts of various energy technologies, biomass, low-level radioactive waste management, the global carbon cycle, and aquatic and terrestrial ecology. (KRM)
Date: April 1, 1983
Creator: unknown
Object Type: Report
System: The UNT Digital Library