Resource Type

Safety analysis of the existing 804 and 845 firing facilities (open access)

Safety analysis of the existing 804 and 845 firing facilities

A safety analysis was performed to determine if normal operations and/or potential accidents at the 804 and 845 Firing Facilities at Site 300 could present undue hazards to the general public, peronnel at Site 300, or have an adverse effect on the environment. The normal operation and credible accident that might have an effect on these facilities or have off-site consequence were considered. It was determined by this analysis that all but one of the hazards were either low or of the type or magnitude routinely encountered and/or accepted by the public. The exception was explosives. Since this hazard has the potential for causing significant on-site and minimum off-site consequences, Bunkers 804 and 845 have been classified as moderate hazard facilties per DOE Order 5481.1A. This safety analysis concluded that the operation at these facilities will present no undue risk to the health and safety of LLNL employees or the public.
Date: June 5, 1986
Creator: Odell, B.N.
System: The UNT Digital Library
Magnetic field of a toroidal volume H sup minus source (open access)

Magnetic field of a toroidal volume H sup minus source

A volume H{sup {minus}} source has been constructed by Prelec at BNL. The magnetic field for this source has been calculated using the computer code PANDIRA. A comparison of the magnetic fields for two cases is presented. 5 refs., 6 figs., 1 tab.
Date: September 5, 1989
Creator: Meitzler, C.R.
System: The UNT Digital Library
Cleaning of aluminum alloy 5083. [For welding] (open access)

Cleaning of aluminum alloy 5083. [For welding]

The purpose of this investigation was to evaluate several different cleaning procedures on welds with very low heat inputs. The study evaluated the Oak Ridge Y-12 Plant's chemical cleaning, another type of chemical cleaning, ion cleaning, and diamond-machined cleaning. The results showed that the diamond-machining process provides better weld joint surfaces and sound welds with minimum oxide inclusion and porosity.
Date: June 5, 1986
Creator: Koger, J.W. (comp.)
System: The UNT Digital Library
Calculation of beam sweeping effect for the Fermilab antiproton source (open access)

Calculation of beam sweeping effect for the Fermilab antiproton source

The problems arising from targeting high intensity small-sigma proton pulses for antiproton production can be reduced by the beam sweeping on the target. The presented results of analytical estimations and of the full-scale Monte Carlo studies indicate a significant efficiency of diluting the beam energy deposition. These results are useful to obtain optimum design parameters for various magnetic elements to be put in at the upstream end of the target to develop a beam sweeping system. 8 refs., 4 figs., 1 tab.
Date: April 5, 1989
Creator: Bhat, C. M. & Mokhov, N. V.
System: The UNT Digital Library
(Coordinated research on fuel cycle cost) (open access)

(Coordinated research on fuel cycle cost)

The Department of Energy (DOE) and the Commission of the European Communities (CEC) have been exploring the possibility of parallel studies on the externals costs of employing fuel cycles to deliver energy services. These studies are of particular importance following the activities of the US National Energy Strategy (NES), where the potential discrepancies between market prices and the social costs of energy services were raised as significant policy concerns. To respond to these concerns, Oak Ridge National Laboratory (ORNL) and Resources for the Future (RFF) have begun a collaborative effort for the DOE to investigate the external costs, or externalities, generated by cradle to grave fuel cycle activities. Upon initiating this project, the CEC expressed an interest to the DOE that Europe should conduct a parallel study and that the two studies should be highly coordinated for consistency in the results. This series of meetings with members of the CEC was undertaken to resolve some issues implied by pursuing parallel, coordinated studies; issues that were previously defined by the August meetings. In addition, it was an opportunity for some members of the US research team and the DOE sponsor to meet with their European counterparts for the study, as well …
Date: November 5, 1990
Creator: Cantor, R. A.; Shelton, R. B. & Krupnick, A. J.
System: The UNT Digital Library
Department of Energy FY 1980 obligations and costs-by-state (open access)

Department of Energy FY 1980 obligations and costs-by-state

Detailed estimates shown for the respective states are based largely on existing contracts and grants which are assumed to continue in 1980. Some DOE programs cannot be identified at the contractor level, and some elements of programs cannot be identified by states. These are listed in an Undesignated category. FY 1979 estimates are given; it is felt that Congressional actions on the FY 1980 budgets may affect the estimates shown.
Date: February 5, 1979
Creator: unknown
System: The UNT Digital Library
100-D unit purge (open access)

100-D unit purge

None
Date: August 5, 1945
Creator: Dahlen, P. A.
System: The UNT Digital Library
Survey of transmission line corridors. [Data on delays in transmission line construction] (open access)

Survey of transmission line corridors. [Data on delays in transmission line construction]

The intent of this study is to determine the extent of delays experienced in planning and constructing transmission lines in the continental United States. The reasons for the delays are identified for each line studied and their effect on the total electrical system is sought. Data was collected for 136 different lines either recently built or currently under study. Statistics were developed for each line in several categories and comparisons of lines delayed were made by company, area served and generation capacity. From the study presented here it was found that: right-of-way acquisition procedures including condemnation and easement negotiation practices delay more projects than local, state and federal regulatory requirements combined; load growth reductions particularly in the east have reduced the impact of regulatory delays; the south, southeast and southwestern areas of the country experience fewer delays in constructing transmission lines than the more populated states, and the cost for corridor delays was responded to for only 17 of the 142 projects surveyed. By far the most costly delay is the expense of condemning land for transmission right-of-way.
Date: January 5, 1979
Creator: unknown
System: The UNT Digital Library
The influence of naturally-occurring organic acids on model estimates of lakewater acidification using the model of acidification of groundwater in catchments (MAGIC) (open access)

The influence of naturally-occurring organic acids on model estimates of lakewater acidification using the model of acidification of groundwater in catchments (MAGIC)

A project for the US Department of Energy, entitled Incorporation of an organic acid representation into MAGIC (Model of Acidification of Groundwater in Catchments) and Testing of the Revised Model UsingIndependent Data Sources'' was initiated by E S Environmental Chemistry, Inc. in March, 1992. Major components of the project include: improving the MAGIC model by incorporating a rigorous organic acid representation, based on empirical data and geochemical considerations, and testing the revised model using data from paleolimnological hindcasts of preindustrial chemistry for 33 Adirondack Mountain lakes, and the results of whole-catchment artificial acidification projects in Maine and Norway. The ongoing research in this project involves development of an organic acid representation to be incorporated into the MAGIC modeland testing of the improved model using three independent data sources. The research during Year 1 has included conducting two workshops to agree on an approach for the organic acid modeling, developing the organic subroutine and incorporating it into MAGIC (Task 1), conducing MAGIC hindcasts for Adirondack lakes and comparing the results with paleolimnological reconstructions (Task 2), and conducting site visits to the manipulation project sites in Maine and Norway. The purpose of this report is to provide a summary of the work …
Date: March 5, 1993
Creator: Sullivan, T.J.; Eilers, J.M. (E and S Environmental Chemistry, Inc., Corvallis, OR (United States)); Cosby, B.J. (Virginia Univ., Charlottesville, VA (United States). Dept. of Environmental Sciences); Driscoll, C.T. (Syracuse Univ., NY (United States). Dept. of Civil Engineering); Hemond, H.F. (Massachusetts Inst. of Tech., Cambridge, MA (United States). Dept. of Civil Engineering) & Charles, D.F.
System: The UNT Digital Library
(Collaborative coal project between the USA and India) (open access)

(Collaborative coal project between the USA and India)

Under the Phase II, Alternative Energy Resources Development (AERD) project of the United States Agency for International Development (USAID) and the Government of India (GOI), five collaborative coal projects have been initiated in the areas of: (1) NO{sub x}/SO{sub x} control from coal-fired power plants, (2) slagging combustor development for high-ash Indian coals, (3) characterization of Indian coals for combustion and gasification. (4) diagnostic studies for prediction of power plant life expectancy, and (5) environmental and natural resource analysis of coal cycle. The Pittsburgh Energy Technology Center (PETC) has the implementation responsibility for these projects. The Indian collaborative institutions identified for these projects are the Bharat Heavy Electricals Ltd. (BHEL), Trichy, (projects 1--4), and the Tata Energy Research Institute (TERI) for project 5. The Oak Ridge National Laboratory (ORNL) is providing cross-cut technical coordination and support for these five projects.
Date: October 5, 1990
Creator: Krishnan, R. P.
System: The UNT Digital Library
Radiation from moving charged particles with spin (open access)

Radiation from moving charged particles with spin

The theory of radiation emitted by a charged particle with spin in relativistic motion in an external magnetic field is reviewed. Approximate expressions suitable numerical computation, in far and near field, are derived. In particular, the case of the passage of a particle accelerator beam through an undulator is considered. It is shown that observation of the spectrum of the emitted radiation, in its two states of polarization, can be used not only for beam diagnostics, but also to measure the spin state of the accelerated particles. Undulator radiation is compared with Compton scattering of laser light by the particle beam. Examples for high energy electron and proton colliders are presented.
Date: October 5, 1992
Creator: Luccio, A.
System: The UNT Digital Library
Development and testing of shingle-type solar cell modules. Quarterly report No. 3 (open access)

Development and testing of shingle-type solar cell modules. Quarterly report No. 3

The fabrication and testing phase of the program to develop a shingle-type solar cell module is well underway. Six modules are currently being subjected to a qualification testing program which consists of both thermal cycling and humidity exposures followed by a mechanical integrity test to simulate wind loads. Fabrication of the remainder of the 50 deliverable modules is proceeding.
Date: April 5, 1978
Creator: Shepard, N.F.
System: The UNT Digital Library
Investigation of rare particle production in high energy nuclear collisions (open access)

Investigation of rare particle production in high energy nuclear collisions

None
Date: October 5, 1992
Creator: unknown
System: The UNT Digital Library
Design of a superconducting wiggler system (open access)

Design of a superconducting wiggler system

We present a wiggler system based on currently available superconducting technology. The system is designed to provide maximum central field of 4.4 tesla with a specified period length of 160 mm and a gap of 40 mm, while meeting the field quality requirements along all axes. Also included are preliminary cost estimates and a survey of world-wide RandD efforts on superconducting wiggler systems. 12 refs., 6 figs., 3 tabs.
Date: October 5, 1988
Creator: Shen, S. S.; Miller, J. R.; Heim, J. R. & Slack, D. S.
System: The UNT Digital Library
TRU waste cyclone drum incinerator and treatment system: January--March 1978 (open access)

TRU waste cyclone drum incinerator and treatment system: January--March 1978

The cyclone incinerator was operated throughout the past quarter, generating additional data on system characteristics, equipment life expectancies, and by-product generation. Several changes in the incinerator system are in various stages of completion. The lid assembly, secondary chamber, and expansion unit for the new exhaust equipment are nearly ready for installation. A new heat exchanger has been installed in the scrubber system. An ash handling system has been designed for possible future addition to the system. Continuing studies will determine the best delivery mechanism for continuously feeding the cyclone incinerator. Preliminary investigations are being conducted to select an independent system to treat incinerator scrubber solution for recycling and to remove salts and sludge for disposal. Metal samples of two possible materials for incinerator construction were examined for corrosion degradation suffered at the incinerator exhaust outlet. Controlled experiments were conducted on the pressed ash-cement pellet matrix to define compressive strength, mechanical stability, density, and effect of curing environment (wet cure and dry cure). Leachability studies were initiated on pressed sludge/cement matrix in distilled water at ambient temperature. Compressive strengths of sludge/cement pressed matrix samples were investigated. Physical and chemical attributes of incinerated ash were evaluated in relationship to the ash/cement matrix.
Date: May 5, 1978
Creator: Klingler, L.M.; Batchelder, D.M. & Lewis, E.L.
System: The UNT Digital Library
Development of mullite substrates and containers. Silicon sheet growth development for the Large Area Silicon Sheet Task of the Low-Cost Silicon Solar array Project. Quarterly report No. 1, October 6, 1977--November 14, 1977 (open access)

Development of mullite substrates and containers. Silicon sheet growth development for the Large Area Silicon Sheet Task of the Low-Cost Silicon Solar array Project. Quarterly report No. 1, October 6, 1977--November 14, 1977

Eight mullite bodies of varied compositions and microstructures have been prepared and are being characterized. These compositions will be submersed in molten silicon to study the impurity and surface effects. These various mullite materials will be analyzed for use as substrates for Honeywell Contract No. 954356, silicon on ceramic program and for use as a container of molten silicon. Low cost processing methods are being developed and evaluated for manufacturing large mullite sheets and mullite containers. At present, a state-of-the-art roll compaction process has shown promising initial results for substrates. However, these 0.5mm x 10cm x 1m are extremely fragile. Slip casting or iso pressing are anticipated for containers.
Date: December 5, 1977
Creator: Wirth, D. G. & Sibold, J. D.
System: The UNT Digital Library
Experimental determination of kerma factors at E/sub n/ approx. = 15 MeV (open access)

Experimental determination of kerma factors at E/sub n/ approx. = 15 MeV

Experimental values for the kerma per unit fluence at the neutron energy, E/sub n/ = 15 MeV, have been determined for graphite, Mg, and Fe. Ion chambers of small size with walls of these materials were employed, and were filled with a variety of gases--N/sub 2/, CO/sub 2/, Ne, Ar, Kr, and Xe. A calibrated neutron source was employed, allowing a straightforward determination of the kerma per unit fluence.
Date: April 5, 1978
Creator: Goldberg, E.; Slaughter, D.R. & Howell, R.H.
System: The UNT Digital Library
Muon SR Newsletter, No. 29, April 5, 1984 (open access)

Muon SR Newsletter, No. 29, April 5, 1984

Muon SR stands for Muon Spin Relaxation, Rotation, Resonance, Research, or what have you. The intention of the mnemonic acronym is to draw attention to the analogy with NMR and ESR, the range of whose applications is well known. Any study of the interactions of the muon spin by virtue of the asymmetric decay is considered ..mu..SR, but this definition is not intended to exclude any peripherally related phenomena, especially if relevant to the use of the muon's mganetic moment as a delicate probe of matter. Abstracts of individual items from this issue were prepared separately for the data base.
Date: April 5, 1984
Creator: Crowe, K.M.; Portis, A.M. & Yamazaki, T. (eds.)
System: The UNT Digital Library
Reinjection and injection of fluids in geothermal operations (state of the art) (open access)

Reinjection and injection of fluids in geothermal operations (state of the art)

A summary of the problems (encountered as well as anticipated) associated with reinjection of heat-depleted brines and injection of other fluids such as imported brines and gases is presented. Covered are only injection and reinjection problems which are related to the exploitation of liquid-dominated resources by flash-cycle power plants. Suggestions (proven as well as probable) which may offer solutions to many of the identified problems are also covered. In addition, some ideas that should or could be implemented in planning of implementing and/or executing any new geothermal injection operation are described.
Date: November 5, 1982
Creator: Vetter, O.J. & Kandarpa, V.
System: The UNT Digital Library
Silicon-on-ceramic process: silicon sheet growth and device development for the large-area silicon sheet task of the Low-Cost Solar Array Project. Annual report No. 5, September 29, 1979-September 30, 1980 (open access)

Silicon-on-ceramic process: silicon sheet growth and device development for the large-area silicon sheet task of the Low-Cost Solar Array Project. Annual report No. 5, September 29, 1979-September 30, 1980

The objective of this research is to investigate the technical feasibility of producing solar-cell-quality sheet silicon to meet the DOE 1986 cost goal of 70 cents/watt. The silicon-on-ceramic approach is to coat a low-cost ceramic substrate with large-grain polycrystalline silicon by unidirectional solidification of molten silicon. Results are reported. A new silicon-coating system, SCIM-II, was designed and constructed. A design strategy to avoid buckling and breaking of substrates has been formulated, implemented, and verified. Detailed thermal modeling of the heating and cooling zones has been performed, and the results have been compared with experiment. A number of modifications have been made in SCIM-II to implement the strategy to minimize thermal stress and to improve reproducibility of coating conditions. Dip-coating has been continued in order to supply material for cell fabrication, since impure carbon parts have been used in the SCIM-coater while changes were still being made. The best cell had a total-area efficiency of 10.5% (AM1, AR) for a cell area of 5 cm/sup 2/. The highest efficiencies were produced with a PH/sub 3/ diffusion at 850/sup 0/C, followed by a slow cooldown at about 5/sup 0/C/min. Theoretical modeling of SOC solar cells shows that present cell performance is limited …
Date: January 5, 1981
Creator: Whitehead, A B; Zook, J D; Grung, B L; Heaps, J D; Schmit, F; Schuldt, S B et al.
System: The UNT Digital Library
Highly dispersed catalysts for coal liquefaction (open access)

Highly dispersed catalysts for coal liquefaction

The objectives of this project are to study the effect of pretreatment methods on the two-stage liquefaction process. In particular, the effects of dispersed catalysts and carbon monoxide atmospheres on a coal liquefaction process. The project is divided into three technical tasks. Task 1 and 2 deal with the analyses and liquefaction experiments, respectively, whereas Task 3 deals with the economic impact of utilizing the pretreatment methods. This quarter we concentrated on Tasks 1 and 2, which are summarized below. Samples of Black Thunder Subbituminous coal and the corresponding recycle solvent were received from Wilsonville. These particular samples were obtained from run [number sign]263. The samples were analyzed for a proximate and ultimate analysis, as well as heat content. We have also received samples of the iron oxide used in the Wilsonville coal liquefaction runs as well as Shell 324 and molyVanL for use in future runs. Base-line screening experiments were conducted in 300 mL autoclaves using 2.5 parts by weight of recycle solvent to 1 part Black Thunder coal at 425[degree]C for one hour. In preliminary results for the comparison of iron oxide and iron carbonyl, the iron carbonyl appears to give higher yields to soluble products.
Date: November 5, 1992
Creator: Hirschon, A. S. & Wilson, R. B.
System: The UNT Digital Library
Shemya Air Force Base, Alaska No Further Action Decision document for Hg-1 (open access)

Shemya Air Force Base, Alaska No Further Action Decision document for Hg-1

This document is being prepared to document that a No Further Action Decision (NFAD) document is appropriate for the Hg-1 site at Shemya Air Force Base (AFB), Alaska, under the Air Force Installation Restoration Program (IRP). The IRP is a Department of Defense (DOD) program established to identify and remediate hazardous waste problems on DOD property that result from past practices. The Alaska Department of Environmental Conservation (ADEC) draft document [open quotes]No Further Action Criteria for DOD Military/FUD Sites[close quotes] has been used as a guide in preparing this document. Air Force personnel have stated that the Hg-1 site may have been used to store mercury and PCB-contaminated material. The site was added to the IRP in 1987, and later that year a field investigation was conducted at the site. Soil samples were collected and analyzed for mercury, EP toxicity, polychlorinated biphenyls (PCBs), and dioxin. All concentrations of contaminants found in Area Hg-1 are below regulatory action levels for PCBs (40 CFR 761) and mercury (55 FR 30798) or below detection levels for dioxin/furans. Therefore, leaving these soils in place is acceptable.
Date: March 5, 1993
Creator: unknown
System: The UNT Digital Library
Combining evidence from several samples for testing goodness-of-fit to a location-scale family. Technical report No. 15 (open access)

Combining evidence from several samples for testing goodness-of-fit to a location-scale family. Technical report No. 15

Consider the problem of testing goodness-of-fit to a specified location-scale family when evidence is to be combined from several independent samples, from populations with possibly different location and scale parameters. The procedure studied is that of computing standardized residuals from each sample and then combining these into one set to be treated essentially as though they came from one sample. It is shown that the limiting distribution of any location-scale invariant goodness-of-fit statistic so applied is precisely the same as for the corresponding one-sample problem. 13 references.
Date: June 5, 1978
Creator: Pierce, D. A.
System: The UNT Digital Library
(Resonance ionization spectroscopy and its applications) (open access)

(Resonance ionization spectroscopy and its applications)

The field of Resonance Ionization Spectroscopy grew out of work done in the Photophysics Group at Oak Ridge National Laboratory. As one of the original developers of this field the traveler has continued to attend this meeting on a regular basis. The traveler was originally asked to present an invited talk and to present part of a short course offered to graduate students attending the conference. Subsequently, the traveler was also asked to chair a session and to be a judge of the students papers entered in a contest for a $1000 first prize.
Date: October 5, 1990
Creator: Payne, M.G.
System: The UNT Digital Library