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in subjects: "Laboratory Equipment"

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Development of a High Velocity Solid Particle Launcher for Laboratory Erosion Studies. [Reentry Vehicle Heat Shields]

A solid particle launcher for laboratory erosion studies has been developed and successfully demonstrated. Performance of the launcher is predicted by a two-dimensional, time-dependent theoretical analysis to within the experimental uncertainty. The present device accelerates 100 μm diameter glass spheres to velocities of 2.1+/- 0.6 km/sec. The system is safe, reliable, and has a test repetition of about 2 shots/hour.

Date: March 1, 1975

Creator: Aeschliman, D. P.; Mulac, A. J.; Guzman, J. A.; Eaton, R. R. & Fox, R. L.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Cryogenic supplies for the TFTR neutral beam line cryopanels

Cryocondensing panels will be used for the Neutral Beam Lines of the TFTR to satisfy a pumping speed requirement of 2.5 x 10/sup 6/ l/s. The cryocondensing panels are fed by liquid helium (LHe), boiling at selectable temperatures of 4.5/sup 0/K or 3.8/sup 0/K. Liquid nitrogen (LN/sub 2/) panels and chevrons thermally shield the LHe panel. The closed-loop LHe supply system and the open loop LN/sub 2/ system are discussed. The helium refrigerator of minimum 1070-W capacity, together with its dist… more

Date: January 1, 1977

Creator: Pinter, G.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

DYNAVAC: a transient-vacuum-network analysis code

This report discusses the structure and use of the program DYNAVAC, a new transient-vacuum-network analysis code implemented on the NMFECC CDC-7600 computer. DYNAVAC solves for the transient pressures in a network of up to twenty lumped volumes, interconnected in any configuration by specified conductances. Each volume can have an internal gas source, a pumping speed, and any initial pressure. The gas-source rates can vary with time in any piecewise-linear manner, and up to twenty different tim… more

Date: July 8, 1980

Creator: Deis, G.A.

Item Type: Report

Partner: UNT Libraries Government Documents Department

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Multielement analysis of geologic materials by inductively coupled plasma-atomic emission spectroscopy

Atomic emission spectroscopy using an inductively coupled plasma (ICP) source permits the rapid acquisition of multielement geochemical data from a wide variety of geologic materials. Rocks or other solid samples are taken into solution with a four acid digestion procedure and introduced directly into the plasma; fluid samples are acidified or analyzed directly. The entire process is computer-controlled, fully-automated, and requires less than five minutes per sample for quantitative determinat… more

Date: March 1, 1980

Creator: Christensen, O.D.; Kroneman, R.L. & Capuano, R.M.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Pumping behavior of sputter ion pumps

The ultrahigh vacuum requirements of ISABELLE is obtained by distributed pumping stations. Each pumping station consists of 1000 l/s titanium sublimation pump for active gases (N/sub 2/, H/sub 2/, O/sub 2/, CO, etc.), and a 20 l/s sputter ion pump for inert gases (methane, noble gases like He, etc.). The combination of the alarming production rate of methane from titanium sublimation pumps (TSP) and the decreasing pumping speed of sputter ion pumps (SIP) in the ultrahigh vacuum region (UHV) lea… more

Date: unknown

Creator: Chou, T S & McCafferty, D

Item Type: Article

Partner: UNT Libraries Government Documents Department

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Hot cell studies of tritium removal from and dissolution of an irradiated thoria fuel

Tritium removal and dissolution studies on an irradiated thoria-based fuel were conducted in the High Level Caves at the Savannah River Laboratory (SRL). The objectives of these studies were to define the effects of key process-related parameters on tritium evolution and subsequent dissolution. The test program at SRL determined the effects on tritium removal of particle size, heating temperature, oxidation, and agitation. ThO/sub 2//UO/sub 2/ (95%/5%) fuel from the Elk River Reactor, irradiate… more

Date: January 1, 1980

Creator: Pickett, J.B.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Radiochemical analysis of the first plateout probe from the Fort St. Vrain high-temperature gas-cooled reactor

This report presents the analysis of radioactive elements on the first plateout probe from the Fort St. Vrain high-temperature gas-cooled reactor. The plateout probe is a device which samples the primary coolant for condensible fission products. Circuit inventories of individual radionuclides are estimated from the probe analysis. The analysis shows that the radioactive contamination in the primary circuit is remarkable low, with activation product concentrations much greater than that of fissi… more

Date: June 1, 1982

Creator: Burnette, R. D.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

The safety record at the tritium systems test assembly

This work addresses an important objective of the TSTA-demonstrating that the large tritium inventories required for fusion reactors can be routinely handled, without radiation exposure to operating personnel and without significant environemtnal releases. The techniques by which TSTA has achieved low releases and personnel exposures include high-integrity primary piping systems that exclude contact between tritium and organic materials, a secondary containment system that encloses all primary … more

Date: February 1, 1988

Creator: Coffin, D.O.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Examples of robots and teleoperators at the Savannah River Site

The Savannah River Site manufactures nuclear materials for the US Department of Energy. In recent years robots and mobile teleoperators have been used to reduce the radiation exposure of personnel at this site. Two examples of robots that have significantly reduced radiation exposure are the Shielded Cells Waste Handling Robot and the Shielded Cells Sample Handling Robot. The Shielded Cells Waste Handling Robot has been in operation for over four years. It removes cans of radioactive waste from… more

Date: January 1, 1989

Creator: Ward, C. R.; Heckendorn, F. M. & Vandewalle, R. C.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Preparation of curium-americium oxide microspheres by resin-bead loading

Resin-bead loading and calcination techniques have been used to produce all curium and americium oxide feed material (about 2.2 kg) for HFIR targets since 1971. The process based on Dowex 50W resin has progressed from a series of test runs, through special production runs, into routine production in permanent equipment beginning in 1975. Key attributes of this process are its reliability, high yields, and ease of operation. The process is suited for remote operation in hot cells. Yields approac… more

Date: January 1, 1980

Creator: Chattin, F. R.; Benker, D. E.; Lloyd, M. H.; Orr, P. B.; Ross, R. G. & Wiggins, J. T.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Performance of BNL-TSTA compound cryopump

A compound cryopump using cryocondensation pumping for hydrogen isotopes and cryosorption pumping with coconut charcoal as adsorbent for helium was designed. This compound cryopump was subsequently built (by Janis Research, Stoneham, MA) and has been tested at Brookhaven, fulfilling the design requirements and are delivered to Tritium Systems Test Assembly (TSTA) Vacuum Facility at Los Alamos Scientific Laboratory (LASL) for on-line operations.

Date: January 1, 1980

Creator: Hseuh, H. C. & Worwetz, H. A.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Vacuum system problems of EBT: a steady-state fusion experiment

Many of the vacuum problems faced by EBT will soon be shared by other plasma devices as high-power microwave systems and long pulse lengths become more common. The solutions used on EBT (such as the raised lip with elastomer seal) are not unique; however, experience has shown that microwave-compatible designs must be carefully thought out. All details of the vacuum must be carefully thought out. All details of the vacuum must be carefully screened in advance to insure that microwaves do not lea… more

Date: January 1, 1981

Creator: Livesey, R.L.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Sampling and analysis of trace-organic constituents in ambient and workplace air at coal-conversion facilities

A review of the recent literature reveals that current sampling procedures involve the use of glass fiber filters for particulate-sorbed organics and sorbent resins such as Tenax GC and XAD-2 for vapor-phase organics. Ultra trace-organic analysis of air pollutants or particulates may require the collection of a large (1000 to 3000 m/sup 3/) sample by a high volume air sampler. Personal air sampling requires a smaller (approx. = 0.5 m/sup 3/) and a portable collection apparatus. Trapped organic … more

Date: July 1, 1980

Creator: Flotard, R D

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Hot dry rock, an alternate geothermal energy resource: a challenge for instrumentation

The natural internal heat from the Earth is one of the cleanest, nearly inexhaustible energy sources. The hot dry rock that composes most of the Earth's crust has the potential of becoming one of the largest reservoirs of energy economically available in the near future. The Los Alamos Scientific Laboratory, for the past five years, has been working toward exploiting this very abundant, clean energy source. The LASL technique to demonstrate the technical and economic feasibility of extracting h… more

Date: January 1, 1978

Creator: Dennis, B.R. & Horton, E.H.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Well-logging technology and geothermal applications: a survey and assessment with recommendations

No Description Available.

Date: May 1, 1975

Creator: Baker, L. E.; Campbell, A. B. & Hughen, R. L.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

SM-1A PROJECT--TECHNICAL MANUAL: CHEMISTRY

A manual is given of the equipment and procedures used in the Army Reactor (SM-1A) to control the water purity and makeup. In addition to a description of the primary purification control system, a discussion is presented of the water chemistry control procedures for the auxiliary systems (e.g., the spent-fuel pit, the shield tank, and the waste disposal system). (T.F.H.)

Date: September 29, 1960

Creator: Chupak, J.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Chemistry research and development. Progress report, December 1978-May 1979. [Component, pilot plant, instrumentation]

Progress and activities are reported on component development, pilot plant development, and instrumentation and statistical systems. Specific items studied include processing of pond sludge, transport of radioactive materials and wastes, corrosion, decontamination and cleaning, fluidized-bed incineration, Pu contamination of soils, chemical analysis, radiometric analysis, security. (DLC)

Date: June 30, 1980

Creator: Miner, F. J.

Item Type: Report

Partner: UNT Libraries Government Documents Department

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Phase Transformations in Alumina. Technical Report, May to December 1961

e transformation studies showed that synthetic aluminas produced in the laboratory were not transformed to alpha alumina at 400 to 700' deg n the presence of nitric acid and water vapor. Amorphous aluminn produced in the pilot plant was transformed to alpha alumina. This indicated that the amorphous alumina produced in the pilot plant is structurally predisposed to form alpha alumina. Most additives did not appear to have any special effects. Lithium formed zeta alumina, LiAl/sub 5/O/sub 8/. Ph… more

Date: December 1, 1961

Creator: Eding, H J; Huggins, M L & Brown, A G

Item Type: Report

Partner: UNT Libraries Government Documents Department

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Remotex: a new concept for efficient remote operation and maintenance in nuclear fuel reprocessing. [Hot Experimental Facility (HEF)]

Remotex is a concept of remote operation and maintenance that utilizes advanced manipulator design to improve plant operating efficiency, reduce personnel exposure, and improve safeguards and diversion resistance. It is a concept developed over the past two years in the conceptual design of the Hot Experimental Facility (HEF), a mechanically intense pilot plant facility designed to demonstrate reprocessng technology for early US breeder demonstration reactors. The Remotex concept is directly ap… more

Date: January 1, 1980

Creator: Feldman, M.J. & White, J.R.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Consolidated fuel-reprocessing program. Progress report, April 1-June 30, 1982

Highlights of progress accomplished during the quarter ending June 30, 1982 are summarized. Discussion is presented under the headings: Process development; Laboratory R and D; Engineering research; Engineering systems; Integrated equipment test facility operation; Instrument development; and HTGR fuel reprocessing.

Date: September 1, 1982

Creator: Burch, W D

Item Type: Report

Partner: UNT Libraries Government Documents Department

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Tips for the fabrication of temporary tritium experiments

The Tritium System Test Assembly (TSTA) is a facility built for the demonstration of tritium handling systems necessary for tritium-burning fusion reactors. The facility has been in operation handling tritium for four years. The current inventory of tritium is approximately one hundred grams with DOE approval exists for a maximum inventory of two hundred grams. Not all experiments performed at TSTA require the operation of the main process loop. During the last four years, many small scale expe… more

Date: January 1, 1988

Creator: Binning, K.E. & Jenkins, E.M.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Ex-vessel remote maintenance development plans for the Burning Plasma Experiment

Remote maintenance (RM) is fundamental to the basic design requirements of the Burning Plasma Experiment (BPX), and an extensive RM development and demonstration program is planned to meet these requirements. The program first draws from the experience base that exists in the fission community and Europe's Joint European Torus (JET) Project. Successful solutions are applied where possible and, in many cases, improved in order to achieve the performance demanded by a multiyear program that must … more

Date: January 1, 1991

Creator: Burgess, T.W. & Davis, F.C.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Radian remote sampling system digital processor system. Software detail documentation: Pittsburgh Energy Research Center

Software documentation for the DART data acquisition system is provided. This system runs on a minicomputer. After an overview of the system and file structures, the various subprograms are discussed individually; flow charts are included. 37 figures. (RWR)

Date: November 1, 1979

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Doublet III neutral beam injector test tank cryopanel design

A simple condensing cryopanel has been designed for the Doublet III neutral beam test tank with a 320,000 liters per second pumping capacity for hydrogen. This maintains a vacuum in the test tank which simulates the Doublet III vessel, 1.3 x 10/sup -3/ Pa (approx.10/sup -5/ torr). The hydrogen gas load comes from the beam striking the test tank calorimeter and amounts to about 7.2 torr liters per second. The cryopanel is cylindrical shaped with a liquid helium (LHe) surface that pumps through l… more

Date: March 1, 1980

Creator: Doll, D.W.; Kamperschroer, J.H. & Arend, P.V.

Item Type: Article

Partner: UNT Libraries Government Documents Department