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0. 20-m (8-in.) Primary Burner Development Report

Description: High-Temperature Gas-Cooled Reactors (HTGRs) utilize graphite-base fuels. Fluidized-bed burners are being employed successfully in the experimental reprocessing of these fuels. The primary fluidized-bed burner is a unit operation in the reprocessing flowsheet in which the graphite moderator is removed. A detailed description of the development status of the 0.20-m (8-in.) diameter primary fluidized-bed burner as of July 1, 1977 is presented. Experimental work to date performed in 0.10; 0.20; an… more
Date: December 1977
Creator: Stula, R. T.; Young, D. T. & Rode, J. S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

1/5-scale experiment of a Mark I boiling-water reactor pressure-suppression system under hypothetical LOCA conditions

Description: Experimental results show the sensitivity of hydrodynamically generated vertical loads to changes in the drywell pressurization rate, downcomer submergence, and vent-line loss coefficient. Insignificant effects on peak vertical loads were observed when the vent-line loss was varied. Peak vertical loads can be reduced by adding initial drywell overpressure so that the downcomers are partly cleared of water. Spatial variation of pressure at about the time of vent clearing is seen in comparisons o… more
Date: July 8, 1977
Creator: Pitts, J. H. & McCauley, E. W.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

2. 05 x 10/sup 9/ age of the Oklo uranium deposit

Description: U and Pb isotopic data on samples (10 to 100 gram) 2 to 10 m away from the borders of the Oklo reactor zones indicate a primary age of 2.05 x 10/sup 9/ years for the Oklo deposit and a secondary age of 0.375 x 10/sup 9/ years. All samples show effects of Pb loss; the average loss is 50 percent. Both the U--Pb and Pb isotopic data are consistent with a model of a primary 2.05 x 10/sup 9/ year age of the deposit, continuous volume diffusion of Pb from uraninite, and either continuous or recent lo… more
Date: January 1, 1977
Creator: Gancarz, A. J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

2-mm microwave interferometer

Description: A 2-mm microwave interferometer has been developed, and phase shift measurements have been made on the Baseball II experiment. The interferometer system employs a 140-GHz receiver for double down conversion of the plasma signal to a 60-MHz, IF frequency. The 140-GHz references signal is also down-converted and compared with the plasma signal to provide the desired phase change of the signal passing through the plasma. A feedback voltage from a 60-MHz discriminator to a voltage-controlled oscill… more
Date: March 1, 1977
Creator: Futch, A. H. & Mortensen, W. K.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

2-MW plasmajet facility thermal tests of concrete. [PWR and BWR]

Description: A test was made in the 2-Megawatt Plasmajet Facility to obtain experimental data relative to the thermal response of concrete to incident heat flux. 14.6 cm diameter by 8.0 cm long concrete cylinders were positioned in a supersonic flow of heated nitrogen from an arc heater. The end of the concrete cylinders impacted by the flow were subjected to heat fluxes in the range of 0.13 to 0.35 kW/cm/sup 2/. Measurements included cold wall surface heat flux and pressure distributions, surface and indep… more
Date: July 1, 1977
Creator: Goin, Kenneth L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

3-D nonlinear evolution of MHD instabilities

Description: The nonlinear evolution of ideal MHD internal instabilities is investigated in straight cylindrical geometry by means of a 3-D initial-value computer code. These instabilities are characterized by pairs of velocity vortex cells rolling off each other and helically twisted down the plasma column. The cells persist until the poloidal velocity saturates at a few tenths of the Alfven velocity. The nonlinear phase is characterized by convection around these essentially fixed vortex cells. For exampl… more
Date: March 1, 1977
Creator: Bateman, G.; Hicks, H. R. & Wooten, J. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

3-dimensional beam scanning system for particle radiation therapy

Description: In radiation therapy treatment volumes up to several liters have to be irradiated. Today's charged particle programs use ridge filters, scattering foils, occluding rings collimators and boluses to shape the dose distribution. An alternative approach, scanning of a small diameter beam, is analyzed and tentative systems specifications are derived. Critical components are scheduled for fabrication and testing at LBL.
Date: March 1977
Creator: Leemann, C.; Alonso, J.; Grunder, H.; Hoyer, E.; Kalnins, G.; Rondeau, D. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

10-75-kWe-reactor-powered organic Rankine-cycle electric power systems (ORCEPS) study. Final technical report

Description: This 10-75 kW(e) Reactor-ORCEPS study was concerned with the evaluation of several organic Rankine cycle energy conversion systems which utilized a /sup 235/U-ZrH reactor as a heat source. A liquid metal (NaK) loop employing a thermoelectric converter-powered EM pump was used to transfer the reactor energy to the organic working fluid. At moderate peak cycle temperatures (750/sup 0/F), power conversion unit cycle efficiencies of up to 25% and overall efficiencies of 20% can be obtained. The req… more
Date: March 30, 1977
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
transcript

11 september

Description: Recording of Carl Bergstrøm-Nielsen's "11 september." The text is from a document called "What is MIR?" which was sent out illegally in Chile in 1974 and from the appeal of MIR two years after the taking over by the junta, on September 11, 1975. A left-wing party, MIR stayed in Chile in order to contribute as efficiently as possible to the building of the opposition. Other sound material also includes sounds from a typewriter and a demonstration at Bastad, Sweden in September 1975 at a tennis m… more
Date: 1977
Duration: 9 minutes 24 seconds
Creator: Bergstrøm-Nielsen, Carl
Item Type: Refine your search to only Sound
Partner: UNT Music Library
open access

25 megajoule energy storage and delivery system for the Shiva laser

Description: A 25 megajoule, 20 kV capacitive energy storage and delivery system has been built and tested for Shiva--a 20 arm, 10 kJ, 20 TW neodymium glass fusion research laser. This system supplies over 3.5 megamperes to xenon flashlamps for optical pumping of the laser amplifier. About 15% of the energy is used to establish magnetic fields within Faraday rotator glass. A digital based control and diagnostics scheme is employed through the entire pulse power system. This scheme utilizes a distributed dig… more
Date: October 18, 1977
Creator: Gagnon, W.L.; Rupert, P. R.; Berkbigler, L.; Carder, B. M.; Gritton, D. G.; Holloway, R. W. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

40-kV, 25-ms neutral-beam power supply for TMX

Description: Modifications are described to upgrade the neutral-beam power supply for the TMX from 40 kV, 10 ms to 40 kV, 25 ms. The redesign of the accel and suppressor power supplies to achieve separation of the high-voltage and control sections, operation of the arc pulse lines in series, operation of the arc pulse lines in a noisy environment with SCR trigger and crowbar, and modifications to the electrolytic storage banks are discussed.
Date: September 23, 1977
Creator: Leavitt, G.A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

40 kW of solar cell modules for the Large Scale Production Task, a Low Cost Silicon Solar Array Project. Final technical report

Description: Forty kilowatts of solar cell modules was produced in this program. This is equivalent to 4123 modules. The average power output per module was 9.7 watts at 16.5 volts, 60/sup 0/C and 100 mW/cm/sup 2/. The peak production rate was 200 modules per week which is equal to 1.9 kW per week. This rate was sustained for over four and one-half months and is equivalent to 100 kW per year. The solar cell module design, electrical and power performance, module preproduction environmental test results, pro… more
Date: December 1, 1977
Creator: Jones, G.T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

['77 Board of Regents Group Photo]

Description: Photograph of nine members of the North Texas State University Board of Regents standing together on the landing of a stairwell for a group photo. All are wearing suits and ties. Four are resting their hands on the railing and the others stand behind them. The wall behind them has windows that open up on the lawn outside the building.
Date: January 17, 1977
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections
open access

100 kJ ion beams for pellet implosions

Description: Among DOE's goals for inertial confinement fusion is support of construction of a heavy ion facility for demonstration experiments on deuterium tritium (DT) pellets with ion beams of 25 to 100 kJ energy. Three accelerator laboratories (Argonne, Berkeley, and Brookhaven) are actively engaged in accelerator development toward this concept. Several accelerator systems which could meet the criteria for these demonstration experiments are analyzed and compared.
Date: January 1, 1977
Creator: Martin, R.L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

150 kWe solar-powered deep-well irrigation facility. Phase I. Preliminary design study. Final report

Description: Results of a preliminary design study for a solar-powered irrigation facility to be located on a farm between Phoenix and Tucson, Arizona, are presented. The ERDA-specified generic design criteria are detailed. A detailed systems analysis is presented, and preliminary designs of the thermal storage system, organic Rankine cycle power system, cooling water system, power distribution system, and collector foundation are given. Site layout and improvements are described, and a cost analysis of pro… more
Date: August 8, 1977
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

150-m measurement of 0. 880- to 100. 0-keV neutron transmissions through four samples of /sup 238/U

Description: In order to study the /sup 238/U + n total cross section, neutron transmissions through 0.076-, 0.254-, 1.080-, and 3.620-cm-thick samples of isotopically enriched /sup 238/U have been measured from 0.880 to 100.0 keV using a time-of-flight technique over a path length of 150 meters with the ORELA pulsed source and a 13-mm-thick Li-glass detector. The measurement is described in detail and both a listing and figures of the resulting transmissions are given. An absolute energy scale accurate to … more
Date: October 1, 1977
Creator: Olsen, D. K.; de Saussure, G.; Perez, R. B.; Difilippo, F. C.; Ingle, R. W. & Weaver, H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

236-Z canyon utilization study

Description: The 236-Z canyon contains equipment for repurification of plutonium and recovery of plutonium from scrap material. To meet production requirements of Fast Flux Test Facility/Clinch River Breeder Reactor oxide with the existing plant, several new pieces of equipment will be needed in the future. More storage space and a better accountability system are needed to support this increased production. The available canyon space needs to be utilized to its fullest in order to accommodate the new equip… more
Date: March 8, 1977
Creator: Dixon, D.R
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

324 building safety analysis report supplement

Description: Process engineering designs, major equipment and plant facilities to be utilized in commercial nuclear waste preparation and vitrification in the 324 Radiochemical Engineering Building are reviewed with regard to accident potential and consequences. This Safety Analysis Report Supplement compares calculated environmental doses anticipated from the Commercial Nuclear Waste Vitrification Project (CNWVP) routine operations with the average doses from past waste management operations conducted at t… more
Date: June 24, 1977
Creator: Dodd, A. O. & Wittenbrock, N. G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

450/sup 0/F step transient thermal analysis of the LOFT pressurizer surge and spray line piping

Description: The LOFT pressurizer spray and surge line piping was analyzed for a 450/sup 0/F step change in fluid temperature. This transient was chosen to conservatively represent several pressurizer operating transients that had not previously been analyzed. These include temperature transients resulting from a 300/sup 0/F ..delta..T between pressurizer temperature and cold leg temperature, injection of a cooled (70/sup 0/F) slug of stagnant fluid into the hot (540/sup 0/F) spray line piping, and inflow o… more
Date: July 7, 1977
Creator: Tolan, B.J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

880 nanosecond particle in cell mover for the CDC 7600

Description: A very fast computational method of moving particles for one dimensional electrostatic plasma simulations using integer arithmetic is described. The cloud in cell method forms the basis of this technique. This paper is in the form of a compass compilable subroutine with comments and examples describing methods of using an entirely integer representation to gain up to an order of magnitude increase in speed over equivalent floating point Fortran coding. Integer arithmetic has several advantages … more
Date: October 4, 1977
Creator: Estabrook, K. & Tull, J. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

12G: code for conversion of isotope-ordered cross-section libraries into group-ordered cross-section libraries

Description: Many current reactor physics codes accept cross-section libraries in an isotope-ordered form, convert them with internal preprocessing routines to a group-ordered form, and then perform calculations using these group-ordered data. Occasionally, because of storage and time limitations, the preprocessing routines in these codes cannot convert very large multigroup isotope-ordered libraries. For this reason, the I2G code, i.e., ISOTXS to GRUPXS, was written to convert externally isotope-ordered cr… more
Date: September 1, 1977
Creator: Resnik, W. M. II & Bosler, G. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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