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CALCULATION OF THE REQUIREMENTS FOR OPERATION OF REFRACTORY-METAL COMPONENTS AT HIGH TEMPERATURE IN VACUUM

Description: Equations based on kinetic theory relate the contamination of refractory metals in vacuum to the appropriate variables. Several examples are given for which the allowable system pressures are calculated. The examples illustrate the effect of varying several parameters. The importance of the sticking factor for active gases on hot refractory metals and its effect on the system design are discussed. The data for estimating the sticking factor for O/sub 2/ on Nb are given, along with some estimate… more
Date: September 18, 1962
Creator: Clausing, R.E.
Partner: UNT Libraries Government Documents Department
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RADIOISOTOPE AND RADIATION APPLICATIONS. Quarterly Progress Report

Description: The study of the mechanism of free-radical formation and decay in polymeric materials was continued and extended to include an investigation of the potential application of this information to the development of novel graft copolymers. The study of postirradiation grafting techniques employing both peroxide initiation and direct grafting was continued. In addition, the effect of molecular weight on site formation was further investigated. Licenses and license applications for approximately 300 … more
Date: October 18, 1962
Creator: Sunderman, D.N., ed.
Partner: UNT Libraries Government Documents Department
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Calculation and Measurement of the Transient Temperature in a Low- Enrichment UO$sub 2$ Fuel Rod During Large Power Excursions

Description: The results of Spert I in-pile transient tests of a rodtype, low- enrichment UO/sub 2/ fuel element are presented. The tests were performed to investigate the possibility of damage to such long thermal-time-constant fuel rods when subjected to short-period power excursions, and to test the effectiveness of an instrumentation technique for measurement of UO/sub 2/ fuel temperatures within the rods. In an initial series of power excursion tests, in which the range of reactor periods was from appr… more
Date: May 18, 1962
Creator: Houghtaling, J. E.; Quigley, T. M. & Spano, A. H.
Partner: UNT Libraries Government Documents Department
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THE EXPERIMENTAL DESIGN FOR BeO IRAADIATION EXPERIMENTS ORNL 41-8 AND ORNL 41-9

Description: The experimental plan for irradiating BeO pellets in Experiments ORNL 41- 8 and ORNL 41-9 was chosen in accordance with the principles of experimental design. The design is known by statisticians as a 2/sup 5/ factorial experiment confound'' in six replications. Five variables---size, density, grain size, temperature and time--are controlled at two levels to form the basic 2i factorial experiment. The sixth variable, neutron flux, is introduced by confounding on higher-order interactions. An ex… more
Date: July 18, 1962
Creator: Gardiner, D.A.
Partner: UNT Libraries Government Documents Department
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RADIOISOTOPES AND RADIATION APPLICATIONS. Quarterly Progress Report No. 12

Description: Continued research is reported in the areas of intrinsic radioactive tracers for industrial process control and the effects of structural factors on radioinduced graft polymerization. The use of Be-- Po neutron sources for production of short-lived isotopes is being investigated. Data are included on the effects of target volume, high-Z scattering media, target-isotope concentration, and macroscopic cross-section on speciflc and total activation produced with a 10-curie source. Research on graf… more
Date: April 18, 1962
Creator: Sunderman, D.N. ed.
Partner: UNT Libraries Government Documents Department
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An Algol Compiler for the Control Data Corporation 1604. Progress Report No. 2

Description: A summary of the progress on development of the ALGOL compiler for the Control Data Corporation 1604 Computer is presented. This computer is based on machine-independent specifications developed at ORNL. A brief description of the structure of the compiler is included along with discussions concerning language restrictions, the hardware language representation, and the required equipment configuration. An example illustrates the generated program instructions. (auth)
Date: October 18, 1962
Creator: Bumgarner, L. L.; Grau, A. A.; Lietzke, M. P.; Stueland, R. G. & Wolf, K. A.
Partner: UNT Libraries Government Documents Department
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Carbide Cathode Studies, Physical and Chemical Redeposition. Quarterly Progress Report, April 1, 1962-June 30, 1962

Description: The utilization of physical and chemical processes to reduce the rate of vapor loss of thermionic emitters composed of mixed carbides of U and Zr in order to increase the permissible operating temperature is being studied. Preliminary, qualitative results obtained from study of physical redeposition processes showed that increasing the collector temperature may markedly reduce the rate of weight loss from a UC emitter operating at 2053 deg K. The requisite experimental equipment for studies of … more
Date: July 18, 1962
Creator: Weinberg, A. F.; Yang, L. & Langer, S.
Partner: UNT Libraries Government Documents Department
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"Life" Tests on Internally Water-Cooled Hollow Copper Conductors

Description: Tests were conducted to determine whether a time limitation exists on the use of internally water-cooled hollow copper conductors operating at densities of up to 330,000 amps/in/sup 2/. Using demineralized water, having a specific resistivity of 4 to 9 x 10/sup 6/ ohm-cm, no indication of a decrease in heat transfer coefficient as a function of time was observed. However, metallographic examination revealed that corrosion--erosion does occur at a slow rate. Using process water there was a time … more
Date: July 18, 1962
Creator: Lewin, J.
Partner: UNT Libraries Government Documents Department
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Calculation of Departure From Nucleate Boiling Conditions for the Spert Iii Reactor in the High Pressure Region

Description: Calculations are made to determine the safe steadystate power operating limits of the Spert III reactor from the viewpoint of fuel plate burnout. A computer program is developed for the IBM 704 to aid in these calculations. The Bettis design departure from nucleate boiling (DNB) equation is used in conjunction with the LeTourneau and Grimble method of hot channel'' analysis in the development of the calculations. For cases where DNB occurs in the bulk boiling region, a modified Martinelli-Nelso… more
Date: April 18, 1962
Creator: Dugone, J.
Partner: UNT Libraries Government Documents Department
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A R.F. Vernier Time to Pulse Height Converter

Description: This technical report describes a pulse height converter that employs the R.F. vernier method. This particular converter has been developed for use with the pulsed beam facility of the BNL Van de Graaff. This report then details a number of tests of the converter made using a RIDL model 34-12, 400-channel analyzer. The report includes 6 figures and 4 circuit diagrams to accompany the findings.
Date: April 18, 1962
Creator: Lowe, J.
Partner: UNT Libraries Government Documents Department
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Facility Availability Brookhaven Graphite Research Reactor: January 1951 - March 1962

Description: This technical report details and outlines the BGRR facility's operations and performance record over a period of twelve years. The author of this report finds that the reactor is "one of the most stable and dependable in the business." The report includes two figures.
Date: May 18, 1962
Creator: Thompson, Dudley
Partner: UNT Libraries Government Documents Department
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Procedures for the Study of Bile Physiology in the Rat

Description: This report describes procedures to "secure acceptable samples of bile from unanesthetized, nondepleted rats and sequential quantitative analysis with negligible experimental failure"--from abstract.
Date: June 18, 1962
Creator: Papavasiliou, P. S.; Bertinchamps, A. J.; Miller, S. T.; Gulibon, J. & Cotzias, G. C.
Partner: UNT Libraries Government Documents Department
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Thermodynamics of Solutions of Actinides and Fission Products in Bismuth

Description: This report reviews the published work on the thermochemistry of the liquid alloys of bismuth with Th, Pa, U, and Pu and the high-yield fission products, and presents in a unified form the authors' own results in this field.
Date: June 18, 1962
Creator: Wiswall, Richard H., Jr. & Egan, James J.
Partner: UNT Libraries Government Documents Department
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Positron Scanner for Locating Brain Tumors

Description: This report describes a system that uses positron emitting isotopes for locating brain tumors.
Date: June 18, 1962
Creator: Rankowitz, S.; Robertson, J. S.; Higinbotham, William A. & Rosenblum, R. J.
Partner: UNT Libraries Government Documents Department
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Eddy Transport in Liquid-Metal Heat Transfer

Description: This report seeks to "develop a practical method of evaluating the eddy diffusivity of heat transfer for liquid metals, so that it can be incorporated into the more or less standard theoretical methods to give heat transfer coefficients which are in reasonable agreement with experimental facts"--from introduction.
Date: February 18, 1962
Creator: Dwyer, Orrington Embry, 1912-
Partner: UNT Libraries Government Documents Department
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Production test IP-338-A, Supp. A, DR-Reactor heat decay test at high outlet water temperatures

Description: This test is identical to the original except that it authorizes the performance of a trial reduction in reactor flow during a prior reactor shutdown. This trial flow reduction will be performed in the same manner as proposed for the actual test, with one exception. This is, that based upon the results of this preliminary test some changes in the timing of the different steps may be indicated. Such changes can readily be handled by making each step dependent upon the observed reactor outlet tem… more
Date: May 18, 1962
Creator: Jones, S. S.
Partner: UNT Libraries Government Documents Department
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Gas-pressure bonding and evaluation of aluminum-clad nickel-plated uranium fuel assemblies

Description: We are enclosing three copies of a proposal concerned with the preparation for preliminary evaluation of up to 128 Hanford CV size I and II fuel elements to determine an optimum gas-pressure-bonding cycle for the fabrication of this type of fuel element. This proposal is based on your request as outlined in your letter dated May 7, 1962, and document No. HW-72417. Included is a cost estimate of the funding required to conduct this experimental study. All of the aluminum-clad uranium fuel assemb… more
Date: May 18, 1962
Creator: Davis, J. E.
Partner: UNT Libraries Government Documents Department
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Final report on E-N conversion ratio data production test IP-350-C

Description: This document summarizes the results of all special separations made in conjunction with the two E-N core loadings and the single fringe blanket loading irradiated in the H Reactor during 1961 and 1962. Tritium yields obtained at Savannah River from the N target elements have been reported previously. Bulk plutonium yield observations obtained from separation of the E-metal fuel elements in the first core and data from a limited number of small-scale separations were included in a comprehensive… more
Date: December 18, 1962
Creator: Carter, R. D. & Blyckert, W. A.
Partner: UNT Libraries Government Documents Department
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