D-0 End Calorimeter Warm Tube/TeV Dry Air Purge (open access)

D-0 End Calorimeter Warm Tube/TeV Dry Air Purge

This Engineering Note studies the design of the Dry Air Purge that is going to flow through the Warm Tube of the End Calorimeter of the D-O Calorimeter. The Tev tubes through the E.C. can be thought of as a cluster of concentric tubes: The Tev tube, the warm (vacuum vessel) tube, 15 layers of superinsulation, the cold (argon vessel) tube, and the Inner Hadronic center support tube. The Dry Air Purge will involve flowing Dry Air through the annular region between the Warm Tube and the Tev Beam Pipe. This air flow is intended to prevent condensation from forming in this region which could turn to ice under cryogenic temperatures. Any ice formed in this gap, could cause serious problems when these tubes are moved. The Air will flow through a Nylon Tube Fitting -1/4-inch I.D. to 1/8-inch male pipe thread (Cole Palmer YB-06465-15) see Drawing MC-295221 (Appendix A). This fitting will be attached to the Nylon 2-inch Tube-Wiper and Seal Assembly which is clamped to the ends of the Warm Tube (Appendix A). This note includes drawings and calculations that explain the setup of the Dry Air Purge and give the required information on the pressure drops through …
Date: August 14, 1991
Creator: Leibfritz, J. R.
Object Type: Report
System: The UNT Digital Library
3-D Experimental Fracture Analysis at High Temperature (open access)

3-D Experimental Fracture Analysis at High Temperature

T*e, which is an elastic-plastic fracture parameter based on incremental theory of plasticity, was determined numerically and experimentally. The T*e integral of a tunneling crack in 2024-T3 aluminum, three point bend specimen was obtained through a hybrid analysis of moire interferometry and 3-D elastic-plastic finite element analysis. The results were verified by the good agreement between the experimentally and numerically determined T*e on the specimen surface.
Date: September 14, 2001
Creator: Jackson, John H. & Kobayashi, Albert S.
Object Type: Report
System: The UNT Digital Library
3-D Microprobe Metrology (open access)

3-D Microprobe Metrology

This report documents the results of a project undertaken to develop an ultra-high-accuracy measurement capability, which is necessary to address a rising trend toward miniaturized mechanical products exhibiting dramatically reduced product tolerances. A significant improvement in measurement capability is therefore required to insure that a 4:1 ratio can be maintained between product tolerances and measurement uncertainty.
Date: October 14, 2008
Creator: Swallow, Kevin
Object Type: Report
System: The UNT Digital Library
3-D Seismic Methods for Geothermal Reservoir Exploration and Assessment--Summary (open access)

3-D Seismic Methods for Geothermal Reservoir Exploration and Assessment--Summary

A wide variety of seismic methods covering the spectrum from DC to kilohertz have been employed at one time or the other in geothermal environments. The reasons have varied from exploration for a heat source to attempting to find individual fractures producing hot fluids. For the purposes here we will assume that overall objective of seismic imaging is for siting wells for successful location of permeable pathways (often fracture permeability) that are controlling flow and transport in naturally fractured reservoirs. The application could be for exploration of new resources or for in-fill/step-out drilling in existing fields. In most geothermal environments the challenge has been to separate the ''background'' natural complexity and heterogeneity of the matrix from the fracture/fault heterogeneity controlling the fluid flow. Ideally one not only wants to find the fractures, but the fractures that are controlling the flow of the fluids. Evaluated in this work is current state-of-the-art surface (seismic reflection) and borehole seismic methods (Vertical Seismic Profiling (VSP), Crosswell and Single Well) to locate and quantify geothermal reservoir characteristics. The focus is on active methods; the assumption being that accuracy is needed for successful well siting. Passive methods are useful for exploration and detailed monitoring for in-fill …
Date: July 14, 2003
Creator: Majer, E. L.
Object Type: Report
System: The UNT Digital Library
19-electron intermediates in the Ligand Substitution of CpW(CO)3with a Lewis Base (open access)

19-electron intermediates in the Ligand Substitution of CpW(CO)3with a Lewis Base

Odd electron species are important intermediates in organometallic chemistry, participating in a variety of catalytic and electron-transfer reactions which produce stable even-electron products. While electron deficient 17-electron (17e) radicals have been well characterized, the possible existence of short-lived 19-electron (19e) radicals has been a subject of continuing investigation. 19e radicals have been postulated as intermediates in the photochemical ligand substitution and disproportionation reactions of organometallic dimers containing a single metal-metal bond, yet the reactions of these intermediates on diffusion-limited time scales (ns-{micro}s) have never been directly observed. This study resolves the 19e dynamics in the ligand substitution of 17e radicals CpW(CO){sub 3}{sup {sm_bullet}} (Cp = C{sub 5}H{sub 5}) with the Lewis base P(OMe){sub 3}, providing the first complete description 19e reactivity.
Date: December 14, 2005
Creator: Cahoon, James F.; Kling, Matthias F.; Sawyer, Karma R.; Frei,Heinz & Harris, Charles B.
Object Type: Article
System: The UNT Digital Library
45-Day safety screen results for single shell tank 241-AP-106, liquid grab samples, riser 1, 30{degrees} and 150{degrees} in conjunction with evaporator campaign 95-1 (open access)

45-Day safety screen results for single shell tank 241-AP-106, liquid grab samples, riser 1, 30{degrees} and 150{degrees} in conjunction with evaporator campaign 95-1

This is the 45-Day report for the fiscal year 1995 safety screening characterization of three liquid grab samples from single shell tank 241-AP-106. The required analyses are differential scanning calorimetry (DSC), thermal gravimetric analysis (TGA) and appearance (APPR). No analytes exceeded the notification limits, therefore, secondary analyses (RSST, cyanide, and hot persulfate-total organic carbon) were not required. Summary data tables 2, 3 and 4 present the appearance, DSC and TGA data, respectively. Total alpha analyses are not included in this report, because it is not required for liquid grab samples.
Date: December 14, 1994
Creator: Miller, G. L.
Object Type: Report
System: The UNT Digital Library
53 Per, slow, and Be star pulsations. Lecture 8 (open access)

53 Per, slow, and Be star pulsations. Lecture 8

Spectral variations of the class of variable stars that seems to have no radial pulsations at all are discussed. Models of the rotation of these stars are considered. (GHT)
Date: March 14, 1983
Creator: Cox, A. N.
Object Type: Article
System: The UNT Digital Library
100 Areas: (For Technical Progress Letter No. 101), June 4--10 (open access)

100 Areas: (For Technical Progress Letter No. 101), June 4--10

None
Date: June 14, 1946
Creator: Jordan, W. E.
Object Type: Report
System: The UNT Digital Library
100-NR-2 Apatite Treatability Test: Fall 2010 Tracer Infiltration Test (White Paper) (open access)

100-NR-2 Apatite Treatability Test: Fall 2010 Tracer Infiltration Test (White Paper)

The primary objectives of the tracer infiltration test were to 1) determine whether field-scale hydraulic properties for the compacted roadbed materials and underlying Hanford fm. sediments comprising the zone of water table fluctuation beneath the site are consistent with estimates based laboratory-scale measurements on core samples and 2) characterize wetting front advancement and distribution of soil moisture achieved for the selected application rate. These primary objectives were met. The test successfully demonstrated that 1) the remaining 2 to 3 ft of compacted roadbed material below the infiltration gallery does not limit infiltration rates to levels that would be expected to eliminate near surface application as a viable amendment delivery approach and 2) the combined aqueous and geophysical monitoring approaches employed at this site, with some operational adjustments based on lessons learned, provides an effective means of assessing wetting front advancement and the distribution of soil moisture achieved for a given solution application. Reasonably good agreement between predicted and observed tracer and moisture front advancement rates was observed. During the first tracer infiltration test, which used a solution application rate of 0.7 cm/hr, tracer arrivals were observed at the water table (10 to 12 ft below the bottom of the infiltration …
Date: April 14, 2011
Creator: Vermeul, Vincent R.; Fritz, Brad G.; Fruchter, Jonathan S.; Greenwood, William J.; Johnson, Timothy C.; Horner, Jacob A. et al.
Object Type: Report
System: The UNT Digital Library
105-KE basin pilot run relocation (open access)

105-KE basin pilot run relocation

None
Date: October 14, 1994
Creator: Crystal, J. B.
Object Type: Report
System: The UNT Digital Library
105-KE Isolation Barrier Leak Rate Acceptance Test Report (open access)

105-KE Isolation Barrier Leak Rate Acceptance Test Report

This Acceptance Test Report (ATR) contains the completed and signed Acceptance Procedure (ATP) for the 105-KE Isolations Barrier Leak Rate Test. The Test Engineer`s log, the completed sections of the ATP in the Appendix for Repeat Testing (Appendix K), the approved WHC J-7s (Appendix H), the data logger files (Appendices T and U), and the post test calibration checks (Appendix V) are included.
Date: June 14, 1995
Creator: McCracken, K. J.
Object Type: Report
System: The UNT Digital Library
200 Area monthly report, June 1966 (open access)

200 Area monthly report, June 1966

None
Date: July 14, 1966
Creator: Christy, J. T.
Object Type: Report
System: The UNT Digital Library
200 area weekly report (open access)

200 area weekly report

None
Date: April 14, 1955
Creator: Christl, R. J.
Object Type: Report
System: The UNT Digital Library
234-5 status reports (open access)

234-5 status reports

On July 14, 1949, and office memorandum was written about operations of a reprocessing building on the Hanford Site being suspended due to the mishandling of some plutonium powder. The letter describes the process of decontamination of the building surfaces, and the ventilation of the rooms of that building. It also describes the problem with the ventilation fans due to increased temperature and pressures.
Date: July 14, 1949
Creator: Lowe, W. W.
Object Type: Report
System: The UNT Digital Library
A 250-GHz CARM (Cyclotron Auto Resonance Maser) oscillator experiment driven by an induction linac (open access)

A 250-GHz CARM (Cyclotron Auto Resonance Maser) oscillator experiment driven by an induction linac

A 250-GHz Cyclotron Auto Resonance Maser (CARM) oscillator has been designed and constructed and will be tested using a 1-kA, 2-MeV electron beam produced by the induction linac at the Accelerator Research Center (ARC) facility of Lawrence Livermore National Laboratory (LLNL). The oscillator circuit was made to operate in the TE{sub 11} mode at ten times cutoff using waveguide Bragg reflectors to create an external cavity Q of 8000. Theory predicts cavity fill times of less than 30 ns (pulse length) and efficiencies approaching 20% is sufficiently low transverse electron velocity spreads are maintained (2%).
Date: September 14, 1990
Creator: Caplan, M.; Kulke, B.; Bubp, D.G. (Lawrence Livermore National Lab., CA (USA)); McDermott, D. & Luhmann, N. (California Univ., Los Angeles, CA (USA))
Object Type: Article
System: The UNT Digital Library
L-286 Acceptance Test Record (open access)

L-286 Acceptance Test Record

This document provides a detailed account of how the acceptance testing was conducted for Project L-286, ''200E Area Sanitary Water Plant Effluent Stream Reduction''. The testing of the L-286 instrumentation system was conducted under the direct supervision
Date: January 14, 2000
Creator: Harmon, B. C.
Object Type: Report
System: The UNT Digital Library
300 Area ``X`` Program, Basis ``B`` (open access)

300 Area ``X`` Program, Basis ``B``

Attached is a secret draft of 300 Area expansion for the proposed ``X`` Program (600 MWD level for indefinite period) made up of the following: (1) assumptions; (2) present facilities and to what extent inadequate; (3) description of proposed work; (4) advantages to be gained and justification for proposed work; (5) why existing or alternate facilities cannot be used; (6) estimate of cost; and (7) attachments.
Date: March 14, 1952
Creator: Wood, V. W.
Object Type: Report
System: The UNT Digital Library
300 Degree C GaN/AlGaN Heterojunction Bipolar Transistor (open access)

300 Degree C GaN/AlGaN Heterojunction Bipolar Transistor

A GaN/AIGaN heterojunction bipolar transistor has been fabricated using C12/Ar dry etching for mesa formation. As the hole concentration increases due to more efficient ionization of the Mg acceptors at elevated temperatures (> 250oC), the device shows improved gain. Future efforts which are briefly summarized. should focus on methods for reducing base resistance.
Date: October 14, 1998
Creator: Abernathy, C. R.; Baca, A. G.; Cho, H.; Chow, P. P.; Han, J.; Hichman, R. A. et al.
Object Type: Article
System: The UNT Digital Library
The 300 mA SRF ERL (open access)

The 300 mA SRF ERL

N/A
Date: March 14, 2013
Creator: Ben-Zvi, Ilan
Object Type: Article
System: The UNT Digital Library
105KE Basin Area Radiation Monitor System (ARMS) Acceptance Test Procedure (open access)

105KE Basin Area Radiation Monitor System (ARMS) Acceptance Test Procedure

This procedure is intended for the Area Radiation Monitoring System, ARMS, that is replacing the existing Programmable Input-Output Processing System, PIOPS, radiation monitoring system in the 105KE basin. The new system will be referred to as the 105KE ARMS, 105KE Area Radiation Monitoring System. This ATP will ensure calibration integrity of the 105KE radiation detector loops. Also, this ATP will test and document the display, printing, alarm output, alarm acknowledgement, upscale check, and security functions. This ATP test is to be performed after completion of the 105KE ARMS installation. The alarm outputs of the 105KE ARMS will be connected to the basin detector alarms, basin annunciator system, and security Alarm Monitoring System, AMS, located in the 200 area Central Alarm Station (CAS).
Date: December 14, 1999
Creator: Kinkel, C. C.
Object Type: Report
System: The UNT Digital Library
1978 USGS Geothermal Resource Assessment (open access)

1978 USGS Geothermal Resource Assessment

The author distinguishes between geothermal resource base, accessible geothermal resource base, geothermal resource, and geothermal reserve. Conditions for periodically updating the assessment of geothermal energy resources include: increased data from expanded exploration and drilling; development of improved and new technologies for exploration, evaluation, extraction, and use; rapid evolution of geothermal knowledge; and the increased role of geothermal energy in response to changing economic, social, political, and environmental conditions, particularly an increasing awareness of the limits to petroleum and natural gas resources. Accordingly, the U. S. Geological Survey (USGS) plans by the end of 1978 to update its 1975 assessment of the United States’ geothermal resource, with increased emphasis on several items. The USGS’s joint evaluations of geothermal resource-assessment techniques in the last year with the National Electric Agency of Italy (ENEL) under U. S. Energy Research and Development Agency sponsorship identified a number of problems, one of which was how to formulate geothermal recovery factors for systems producing by intergranular vaporization and by intergranular flow. The first formulation is fairly rigorous; the author solicits the reservoir engineering community’s help in improving the estimate of the second. 3 figs., 11 refs.
Date: December 14, 1977
Creator: Muffler, L.J. Patrick
Object Type: Article
System: The UNT Digital Library
1999 Annual Mixed Waste Management Facility Groundwater Correction - Action Report (Volumes I, II, and III) (open access)

1999 Annual Mixed Waste Management Facility Groundwater Correction - Action Report (Volumes I, II, and III)

This Corrective Action Report (CAR) for the Mixed Waste Management Facility (MWMF) is being prepared to comply with the Resource Conservation and Recovery Act (RCRA) Permit Number SC1 890 008 989, dated October 31, 1999. This CAR compiles and presents all groundwater sampling and monitoring activities that are conducted at the MWMF. As set forth in previous agreements with South Carolina Department of Health and Environmental Control (SCDHEC), all groundwater associated with the Burial Ground Complex (BGC) (comprised of the MWMF, Low-Level Radioactive Waste Disposal Facility, and Old Radioactive Waste Burial Ground) will be addressed under this RCRA Permit. This CAR is the first to be written for the MWMF and presents monitoring activities and results as an outcome of Interim Status and limited Permitted Status activities. All 1999 groundwater monitoring activities were conducted while the MWMF was operated during Interim Status. Changes to the groundwater monitoring program were made upon receipt of the RCRA Permit, where feasible. During 1999, 152 single-screened and six multi-screened groundwater monitoring wells at the BGC monitored groundwater quality in the uppermost aquifer as required by the South Carolina Hazardous Waste Management Regulations (SCHWMR), settlement agreements 87-52-SW and 91-51-SW, and RCRA Permit SC1 890 008 …
Date: June 14, 2000
Creator: Chase, J.
Object Type: Report
System: The UNT Digital Library
2004 Electron Donor Acceptor Interactions Gordon Conference - August 8-13, 2004 (open access)

2004 Electron Donor Acceptor Interactions Gordon Conference - August 8-13, 2004

The 2004 Gordon Conference on Donor/Acceptor Interactions will take place at Salve Regina University in Newport, Rhode Island on August 8-13, 2004. The conference will be devoted to the consequences of charge interaction and charge motion in molecular and materials systems.
Date: September 14, 2005
Creator: GUILFORD JONES BOSTON UNIVERSITY PHOTONICS CENTER 8 ST. MARY'S ST BOSTON, MA 02215
Object Type: Article
System: The UNT Digital Library
2005 Applied and Environmental Microbiology Gordon Conference July 24-29, 2005 (open access)

2005 Applied and Environmental Microbiology Gordon Conference July 24-29, 2005

This report is about Applied and Environmental Microbiology on Gordon Conference
Date: April 14, 2006
Creator: Kenneth Nealson, Nancy Ryan Gray
Object Type: Article
System: The UNT Digital Library