45-Day safety screen results and final report for Tank 241-SX-113, Auger samples 94-AUG-028 and 95-AUG-029 (open access)

45-Day safety screen results and final report for Tank 241-SX-113, Auger samples 94-AUG-028 and 95-AUG-029

This document serves as the 45-day report deliverable for tank 241-SX-113 auger samples collected on May 9 and 10, 1995. The samples were extruded, and analyzed by the 222-S Laboratory. Laboratory procedures completed include: differential scanning calorimetry; thermogravimetric analysis; and total alpha analysis. This report incudes the primary safety screening results obtained from the analyses. As the final report, the following are also included: chains of custody; the extrusion logbook; sample preparation data; and total alpha analysis raw data.
Date: June 22, 1995
Creator: Sasaki, L.M.
Object Type: Report
System: The UNT Digital Library
Alternatives for high-level waste forms, containers, and container processing systems (open access)

Alternatives for high-level waste forms, containers, and container processing systems

This study evaluates alternatives for high-level waste forms, containers, container processing systems, and onsite interim storage. Glass waste forms considered are cullet, marbles, gems, and monolithic glass. Small and large containers configured with several combinations of overpack confinement and shield casks are evaluated for these waste forms. Onsite interim storage concepts including canister storage building, bore holes, and storage pad were configured with various glass forms and canister alternatives. All favorable options include the monolithic glass production process as the waste form. Of the favorable options the unshielded 4- and 7-canister overpack options have the greatest technical assurance associated with their design concepts due to their process packaging and storage methods. These canisters are 0.68 m and 0.54 m in diameter respectively and 4.57 m tall. Life-cycle costs are not a discriminating factor in most cases, varying typically less than 15 percent.
Date: September 22, 1995
Creator: Crawford, T.W.
Object Type: Report
System: The UNT Digital Library
Beyond the CM-5: A case study in performance analysis for the CM-5, T3D, and high performance RISC workstations (open access)

Beyond the CM-5: A case study in performance analysis for the CM-5, T3D, and high performance RISC workstations

We present a comprehensive performance evaluation of our molecular dynamics code SPaSM on the CM-5 in order to devise optimization strategies for the CM-5, T3D, and RISC workstations. In this analysis, we focus on the effective use of the SPARC microprocessor by performing measurements of instruction set utilization, cache effects, memory access patterns, and pipeline stall cycles. We then show that we can account for more than 99% of observed execution time of our program. Optimization strategies are devised and we show that our highly optimized ANSI C program running only on the SPARC microprocessor of the CM-5 is only twice as slow as our Gordon-Bell prize winning code that utilized the CM-5 vector units. On the CM-5E, we show that this optimized code run faster than the vector unit version. We then apply these techniques to the Cray T3D and measure resulting speedups. Finally, we show that simple optimization strategies are effective on a wide variety of high performance RISC workstations.
Date: March 22, 1995
Creator: Beazley, David M. & Lomdahl, Peter S.
Object Type: Article
System: The UNT Digital Library
Biomass fuel from woody crops for electric power generation (open access)

Biomass fuel from woody crops for electric power generation

This report discusses the biologic, environmental, economic, and operational issues associated with growing wood crops in managed plantations. Information on plantation productivity, environmental issues and impacts, and costs is drawn from DOE`s Biofuels Feedstock Development as well as commercial operations in the US and elsewhere. The particular experiences of three countries--Brazil, the Philippines, and Hawaii (US)--are discussed in considerable detail.
Date: June 22, 1995
Creator: Perlack, R.D.; Wright, L.L.; Huston, M.A. & Schramm, W.E.
Object Type: Report
System: The UNT Digital Library
Broken flavor symmetries in high energy particle phenomenology (open access)

Broken flavor symmetries in high energy particle phenomenology

Over the past couple of decades, the Standard Model of high energy particle physics has clearly established itself as an invaluable tool in the analysis of high energy particle phenomenon. However, from a field theorists point of view, there are many dissatisfying aspects to the model. One of these, is the large number of free parameters in the theory arising from the Yukawa couplings of the Higgs doublet. In this thesis, we examine various issues relating to the Yukawa coupeng structure of high energy particle field theories. We begin by examining extensions to the Standard Model of particle physics which contain additional scalar fields. By appealing to the flavor structure observed in the fermion mass and Kobayashi-Maskawa matrices, we propose a reasonable phenomenological parameterization of the new Yukawa couplings based on the concept of approximate flavor symmetries. It is shown that such a parameterization eliminates the need for discrete symmetries which limit the allowed couplings of the new scalars. New scalar particles which can mediate exotic flavor changing reactions can have masses as low as the weak scale. Next, we turn to the issue of neutrino mass matrices, where we examine a particular texture which leads to matter independent neutrino …
Date: February 22, 1995
Creator: Antaramian, A.
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Cost benefit and risk assessment for selected tank waste process testing alternatives (open access)

Cost benefit and risk assessment for selected tank waste process testing alternatives

The US Department of Energy has established the Tank Waste Remediation System (TWRS) program to safely manage wastes currently stored in underground tank at the Hanford Site. A TWRS testing and development strategy was recently developed to define long-range TWRS testing plans. The testing and development strategy considered four alternatives. The primary variable in the alternatives is the level of pilot-scale testing involving actual waste. This study evaluates the cost benefit and risks associated with the four alternatives. Four types of risk were evaluated: programmatic schedule risk, process mishap risk, worker risk, and public health risk. The structure of this report is as follows: Section 1 introduces the report subject; Section 2 describes the test strategy alternative evaluation; Section 3 describes the approach used in this study to assess risk and cost benefit; Section 4 describes the assessment methodologies for costs and risks; Section 5 describes the bases and assumptions used to estimate the costs and risks; Section 6 presents the detailed costs and risks; and Section 7 describes the results of the cost benefit analysis and presents conclusions.
Date: May 22, 1995
Creator: Gasper, K. A.
Object Type: Report
System: The UNT Digital Library
Crossings in alternating-parity bands of neutron-rich Ba nuclei (open access)

Crossings in alternating-parity bands of neutron-rich Ba nuclei

{sup 144}Ba and {sup 146}Ba nuclei produced in the spontaneous fission of {sup 248}Cm have been studied using the EUROGRAM II array. Spins and parities of excited levels have been deduced from triple-{gamma} angular correlation and direction-polarization correlation measurements, which is the first use of these techniques in studies of fission product nuclei. Ground-state, alternating-parity bands have been extended significantly and crossing in these bands has been found in both isotopes. For the first time alternating-parity band termination by particle alignment has been observed.
Date: July 22, 1995
Creator: Urban, W.; Jones, M.A. & Durell, J.L.
Object Type: Report
System: The UNT Digital Library
Cure shrinkage effects in epoxy and polycyanate matrix composites (open access)

Cure shrinkage effects in epoxy and polycyanate matrix composites

A relatively new advanced composite matrix, polycyanate ester, was evaluated for cure shrinkage. The chemical cure shrinkage of composites is difficult to model but a number of clever experimental techniques are available to the investigator. In this work the method of curing a prepreg layup on top of a previously cured laminate of identical ply composition is utilized. The polymeric matrices used in advanced composites have been primarily epoxies and therefore a common system of this type, Fiberite 3501-6, was used as a base case material. Three polycyanate matrix systems were selected for the study. These are: Fiberite 954-2A, YLA RS-3, and Bryte Technology BTCy-1. The first three of these systems were unidirectional prepreg with carbon fiber reinforcement. The Bryte Technology material was reinforced with E-glass fabric. The technique used to evaluate cure shrinkage results in distortion of the flatness of an otherwise symmetric laminate. The first laminate is cured in a conventional fashion. An identical layup is cured on this first laminate. During the second cure all constituents are exposed to the same thermal cycles. However, only the new portion of the laminate will experience volumetric changes associate with matrix cure. The additional strain of cure shrinkage results in …
Date: December 22, 1995
Creator: Spellman, Gordon P.
Object Type: Report
System: The UNT Digital Library
D0 Silicon Upgrade: Estimates of the Deflections and Stresses of the Toshiba Cold Mass Support System (open access)

D0 Silicon Upgrade: Estimates of the Deflections and Stresses of the Toshiba Cold Mass Support System

Tensile stresses in the Toshiba cold mass support links generated by the loadings the coil is subject to, and the deflections the coil experiences as a result of these loadings, are estimated. The axial links are conservatively designed and it should be reasonably easy to ensure that the three links at each end of the coil carry approximately equal loads. Small deviations from this ideal should not have great consequence as a system-of-three is somewhat forgiving in this regard. The use of preload makes the north operating deflection equal to the smaller south operating deflection, possibly a convenience when the nozzle design is contemplated. Toshiba has indicated they will establish the desired preload using strain gauges near the warm ends of the links.
Date: November 22, 1995
Creator: Smith, R. P.
Object Type: Report
System: The UNT Digital Library
Development of a bipolar cell for electrochemical production of lithium (open access)

Development of a bipolar cell for electrochemical production of lithium

Lithium metal can be electrolytically refined from aqueous solutions of its compounds by partial reduction to form a lithium amalgam, followed by reduction of the amalgam to liquid lithium in a molten salt cell at 225 C. A bipolar cell (with a continuous, amalgam electrode circulating between the aqueous and salt cells) was designed, constructed and successfully tested on the bench scale, as a proof of principle of an efficient, safe and low-temperature alternative to existing processes.
Date: February 22, 1995
Creator: Cooper, J.F.; Mack, G.; Peterman, K.; Weinland, S. & McKenzie, P.
Object Type: Article
System: The UNT Digital Library
Development of high damage threshold optics for petawatt-class short-pulse lasers (open access)

Development of high damage threshold optics for petawatt-class short-pulse lasers

The authors report laser-induced damage threshold measurements on pure and multilayer dielectrics and gold-coated optics at 1053 and 526 nm for pulse durations, {tau}, ranging from 140 fs to 1 ns. Damage thresholds of gold coatings are limited to 500 mJ/cm{sup 2} in the subpicosecond range for 1053-nm pulses. In dielectrics, qualitative differences in the morphology of damage and a departure from the diffusion-dominated {tau}1/2 scaling indicate that damage results from plasma formation and ablation for {tau}{le}10 ps and from conventional melting and boiling for {tau}>50 ps. A theoretical model based on electron production via multiphoton ionization, Joule heating, and collisional (avalanche) ionization is in quantitative agreement with both the pulsewidth and wavelength scaling of experimental results.
Date: February 22, 1995
Creator: Stuart, B. C.; Perry, M. D. & Boyd, R. D.
Object Type: Article
System: The UNT Digital Library
Electric power monthly: February 1995, with data for November 1994 (open access)

Electric power monthly: February 1995, with data for November 1994

The Electric Power Monthly (EPM) presents monthly electricity statistics for a wide audience including Congress, Federal and State agencies, the electric utility industry, and the general public. The purpose of this publication is to provide energy decisionmakers with accurate and timely information that may be used in forming various perspectives on electric issues that lie ahead. The EIA collected the information in this report to fulfill its data collection and dissemination responsibilities as specified in the Federal Energy Administration Act of 1974 (Public Law 93-275) as amended. 64 tabs.
Date: February 22, 1995
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Energy Deposition Downstream of the Internal Dump (open access)

Energy Deposition Downstream of the Internal Dump

None
Date: December 22, 1995
Creator: J., Stevens A.
Object Type: Report
System: The UNT Digital Library
Engineering Task Plan for Tank 241-C-106 contingency chiller definitive design (open access)

Engineering Task Plan for Tank 241-C-106 contingency chiller definitive design

This document identifies the scope, cost, schedule and responsible organizations for completing a design of a contingency ventilation inlet air cooling system for Tank 241-C-106. The air cooling system, described in Rensink (1995), consists of a chiller, cooling coils, and supporting equipment that, when installed will be capable of assuring that the waste temperatures in Tank 241-C-106 are maintained within acceptable limits for safe storage. The effort described herein is scheduled for completion by May 31, 1995 to support Performance Based Incentive (PBI) Milestone SI-2x.
Date: May 22, 1995
Creator: Rensink, G. E. & Kriskovich, J. R.
Object Type: Report
System: The UNT Digital Library
Enigmatic electrons, photons, and ``empty`` waves (open access)

Enigmatic electrons, photons, and ``empty`` waves

A spectroscopic analysis is made of electrons and photons from the standpoint of physical realism. In this conceptual framework, moving particles are portrayed as localized entities which are surrounded by ``empty`` waves. A spectroscopic model for the electron Stands as a guide for a somewhat similar, but in essential respects radically different, model for the photon. This leads in turn to a model for the ``zeron``. the quantum of the empty wave. The properties of these quanta mandate new basis states, and hence an extension of our customary framework for dealing with them. The zeron wave field of a photon differs in one important respect from the standard formalism for an electromagnetic wave. The vacuum state emerges as more than just a passive bystander. Its polarization properties provide wave stabilization, particle probability distributions, and orbit quantization. Questions with regard to special relativity are discussed.
Date: August 22, 1995
Creator: MacGregor, M.H.
Object Type: Article
System: The UNT Digital Library
The Fernald wet records recovery project: A case history (open access)

The Fernald wet records recovery project: A case history

This paper discusses a project performed to recover wet records discovered in January 1995 at the Fernald Environmental Management Project (FEMP). This paper discusses the emergency and record recovery phases of the project, the technical options considered for records recovery, and special measures which were required due to radiological contamination of the records. Also, the root causes and lessons learned from the incident, and path forward for future records management operations at Fernald, are discussed.
Date: June 22, 1995
Creator: Sterling, Harry J.; Devir, Brian R.; Hawley, Robert A. & Freesmeyer, Mary T.
Object Type: Article
System: The UNT Digital Library
[Generation of a synthetic seismic data base]. Final report (open access)

[Generation of a synthetic seismic data base]. Final report

A consortium (Los Alamos, Sandia, OR, Livermore) have been collaborating under the GONII project to generate a synthetic seismic data base. Two deliverables were a common code that would run on the various site machines, and the use of these codes to generate parts of the final data base. The data base consists of a large number of shots applied to two geographic models developed by another part of GONII, the salt model and the overthrust model,s which were supplied as large files containing propagation velocity on a 3-D grid. Los Alamos was supplied with the source code of a seismic propagation code written by the French Petroleum Institute. A decision was made to port a subset of the code to Fortran on a node. Part of this contract was spent verifying/debugging the Fortran on a node code; a port of the code was made to run on the Cray. A total of 846 shots were run on the CM5. It was found that files on the SDA are not safe from corruption and the model velocity file may change.
Date: October 22, 1995
Creator: Aldrich, C. H., III
Object Type: Report
System: The UNT Digital Library
Highly dispersed catalysts for coal liquefaction. Phase 1 final report, August 23--November 22, 1994 (open access)

Highly dispersed catalysts for coal liquefaction. Phase 1 final report, August 23--November 22, 1994

The ultimate goal of this project is to develop novel processes for making the conversion of coal into distillable liquids competitive to that of petroleum products in the range of $25/bbl. The objectives of Phase 1 were to determine the utility of new precursors to highly dispersed catalysts for use of syngas atmospheres in coal liquefaction, and to estimate the effect of such implementation on the cost of the final product. The project is divided into three technical tasks. Tasks 1 and 2 are the analyses and liquefaction experiments, respectively, and Task 3 deals with the economic effects of using these methods during coal liquefaction. Results are presented on the following: Analytical Support--screening tests and second-stage conversions; Laboratory-Scale Operations--catalysts, coal conversion in synthetic solvents, Black Thunder screening studies, and two-stage liquefaction experiments; and Technical and economic Assessment--commercial liquefaction plant description, liquefaction plant cost; and economic analysis.
Date: March 22, 1995
Creator: Hirschon, A. S.; Wilson, R. B. & Ghaly, O.
Object Type: Report
System: The UNT Digital Library
An induction Linac approach to phase rotation of a muon bunch in the production region of {mu}{sup +}-{mu}{sup {minus}} colliders (open access)

An induction Linac approach to phase rotation of a muon bunch in the production region of {mu}{sup +}-{mu}{sup {minus}} colliders

The possibility of using an induction linac for phase rotation, or equivalently flattening the head to tail mean energy sweep, of a muon bunch in the production region of a {mu}{sup +} {minus} {mu}{sup {minus}} is examined. Axial spreading of an accelerating bunch is analyzed and the form of appropriate induction cell voltage waveforms is derived. A set of parametric equations for the induction accelerator structure is given and specific solutions are presented which demonstrate the technological feasibility of the induction linac approach to phase rotation.
Date: November 22, 1995
Creator: Turner, W.C.
Object Type: Article
System: The UNT Digital Library
Interface agreement for the management of 308 Building Spent Nuclear Fuel. Revision 1 (open access)

Interface agreement for the management of 308 Building Spent Nuclear Fuel. Revision 1

The Hanford Site Spent Nuclear Fuel (SNF) Project was formed to manage the SNF at Hanford. Specifically, the mission of the SNF Project on the Hanford Site is to ``provide safe, economic, environmentally sound management of Hanford SNF in a manner which stages it for final disposition.`` The current mission of the Fuel Fabrication Facilities Transition Project (FFFTP) is to transition the 308 Building for turn over to the Environmental Restoration Contractor for decontamination and decommissioning.
Date: December 22, 1995
Creator: Danko, A.D.
Object Type: Report
System: The UNT Digital Library
Internal wave signal processing: A model-based approach (open access)

Internal wave signal processing: A model-based approach

A model-based approach is proposed to solve the oceanic internal wave signal processing problem that is based on state-space representations of the normal-mode vertical velocity and plane wave horizontal velocity propagation models. It is shown that these representations can be utilized to spatially propagate the modal (depth) vertical velocity functions given the basic parameters (wave numbers, Brunt-Vaisala frequency profile etc.) developed from the solution of the associated boundary value problem as well as the horizontal velocity components. These models are then generalized to the stochastic case where an approximate Gauss-Markov theory applies. The resulting Gauss-Markov representation, in principle, allows the inclusion of stochastic phenomena such as noise and modeling errors in a consistent manner. Based on this framework, investigations are made of model-based solutions to the signal enhancement problem for internal waves. In particular, a processor is designed that allows in situ recursive estimation of the required velocity functions. Finally, it is shown that the associated residual or so-called innovation sequence that ensues from the recursive nature of this formulation can be employed to monitor the model`s fit to the data.
Date: February 22, 1995
Creator: Candy, J. V. & Chambers, D. H.
Object Type: Article
System: The UNT Digital Library
Joint UK/US Radar Program. Progress report, August 1, 1995--August 31, 1995 (open access)

Joint UK/US Radar Program. Progress report, August 1, 1995--August 31, 1995

Modify Hughes x-band radar for airborne implementation. Upgrade to polarimetry, high-power, and add SLAR mode. Deploy in UK/US field experiments as needed.
Date: September 22, 1995
Creator: Twogood, R. E.; Brase, J. M. & Kiefer, R. D.
Object Type: Report
System: The UNT Digital Library
K-Basins S/RIDS (open access)

K-Basins S/RIDS

The Standards/Requirements Identification Document(S/RID) is a list of the Environmental, Safety, and Health (ES&H) and Safeguards and Security (SAS) standards/requirements applicable to the K Basins facility
Date: September 22, 1995
Creator: Watson, D. J.
Object Type: Report
System: The UNT Digital Library
Letter report: Radiological analysis of Oak Ridge Y-12 plant groundwater data (open access)

Letter report: Radiological analysis of Oak Ridge Y-12 plant groundwater data

The Y-12 Plant groundwater radiological data bases have been analyzed to determine whether historical and current data is suitable for unqualified release to various user groups. User groups include those who routinely compare results to reference standards or regulatory levels, conduct hydrogeological transport studies, conduct statistical analyses and conduct risk assessment studies. The overall methodology used for the radiological analysis is to check whether results are consistent with chemical and physical expectations, plant operational history and, where applicable, with results from other sites. For example, the relationship among isotopes in a decay chain are predictable if no unusual sources for a particular isotope in the chain exists, the time history is known, and differential removal or concentration mechanisms for a particular isotope are understood or do not exist. Similarly, background concentrations for radioisotopes (e.g., {sup 238}U, {sup 234}U, {sup 235}U, {sup 230}Th, {sup 226}Ra, etc.) should be consistent with those obtained in other studies given similar mineralogical or hydrogeological conditions at the Y-12 Plant. If the analysis results in lack of agreement between results and expectations based on known relationships, plant operations and transport parameters, then results are investigated further.
Date: June 22, 1995
Creator: Walsh, P.
Object Type: Report
System: The UNT Digital Library