Search Results

open access

High-Energy Physics with Hydrogen Bubble Chambers

Description: Five years ago, our laboratory undertook to adapt the bubble chamber, newly invented by Glaser, to operation with liquid hydrogen, and in large sizes. It was hoped taht this development would yield important new experimental data when the Bevatron was completed. Accompanying papers by other members of the hydrogen bubble chamber group describe the various chambers built in the five year period and the asociated data-reduction apparatus that is needed for efficient utilization of the chambers. E… more
Date: October 14, 1958
Creator: Alvarez, Luis W.
Partner: UNT Libraries Government Documents Department
open access

Equipment and Methods for Automatic Track Analysis

Description: A comprehensive program has been initiated at the University of California Radiation Laboratory to give practical aid to the physicists and technicians carrying out track measurements. Attention has been given to stack alignment, coordinate read-out, grain-density measurement, multiple-scattering measurements, and data recording. (A. C.)
Date: August 14, 1958
Creator: Barkas, W.H.
Partner: UNT Libraries Government Documents Department
open access

Equipment And Methods For Automatic Track Analysis

Description: The writer has initiated a comprehensive program of equipment development designed to give the maximum practical aid to the physicists and technicians who are carrying out track measurements. Some attention has also been given to developing systems of data handling using International Business Machine (IBM) equipment and Keysort cards. In addition, some of the steps to insure the accuracy of the emulsion data are taken long before the emulsion is studied under the microscope.
Date: August 14, 1958
Creator: Barkas, Walter H. (Walter Henry), 1912-1969
Partner: UNT Libraries Government Documents Department
open access

COST COMPARISONS OF CAPITOL INVESTMENT IN VARIOUS NUCLEAR POWER PLANTS FOR CENTRAL STATION APPLICATION

Description: The capital costs for a number of power reactors are compared after escalation to equivalent construction dates. It is shown that the most important factor affecting nuclear power plant capital costs is the net capacity of the plant. Steam conditions are shown to have a relatively minor effect on capital costs. (auth)
Date: October 14, 1958
Creator: Bender, M. & Stulting, R. D.
Partner: UNT Libraries Government Documents Department
open access

Correlation of Polarographic Walf-Wave Potentials With Nuclear Magnetic Resonance "Chemical Shifts." Parallel Correlation With Chemical Reactivity Parameters. Report No. 35

Description: Since nuclear magnetic resonance ''chemical shifts'' are considered to be good measures of electron densities in molecules, the extent to which they can be correlated with the polarographic half-wave potentials of organic compounds has been surveyed. To extend the applicability and interpretation of the proposed correlation, parallel correlatioan of E, with Hammett's sigma and Taft's sigma parameters were made, since both of the latter are also regarded as indication of electronic distrinution … more
Date: July 14, 1958
Creator: Bennett, C. E. & Elving, P. J.
Partner: UNT Libraries Government Documents Department
open access

Fast-Neutron Flux Measurements in the ORNL Graphite Reactor Shield

Description: In a study of the nuclear and physical properties of the concrete shield of the ORNL Graphite Reactor measurements were made of the fast-neutron fluxes in a hole through the shield. These fluxes were not incinded in the formal report of the study (ORNL-2195) since several uncertainties associated with the measurements made the absolute values unreliable. The attenuation curves at one energy may be reasonably accurate, however. (auth)
Date: August 14, 1958
Creator: Blosser, T. V.; Bond, G. W.; Lee, L. A.; Morgan, D. T.; Nichols, J. F.; Reid, R. C. et al.
Partner: UNT Libraries Government Documents Department
open access

Simulation of a Control System for a Merchant-Ship Pressurized-Water Reactor

Description: This report covers the work involving the simulation of the reactor and power plant and the specification of the control-rod mechanism necessary to control the system during transient and steady-state operation.
Date: January 14, 1958
Creator: Boyd, Roger S. & Byers, Richard H.
Partner: UNT Libraries Government Documents Department
open access

Preliminary Analysis of Hydrogen-Rich Hypersonic Ramjet Operation

Description: Report discussing findings on net thrust, fuel flow, and related performance indices for hydrogen-rich operation of nacelle-type and submerged ramjet engines at various Mach numbers. Testing concluded that the system could be helpful in a flight path involving acceleration from low to high flight speeds. Some trends of the effect of the operation conditions are noted, but no conclusions are drawn because of the preliminary nature of the report.
Date: January 14, 1958
Creator: Breitwieser, Roland & Morris, James F.
Partner: UNT Libraries Government Documents Department
open access

Hydrodynamic Characteristics of a Model of a Proposed Six-Engine Hull-Type Seaplane Designed for Supersonic Flight

Description: Memorandum presenting an investigation of the hydrodynamic characteristics of a six-engine hull-type seaplane designed for supersonic flight. The configuration had four engines mounted on top of the wing in individual nacelles and two engines mounted on top of the aft section of the hull with their inlets located on top of the wing.
Date: July 14, 1958
Creator: Coffee, Claude W., Jr.
Partner: UNT Libraries Government Documents Department
open access

Hydrodynamic Characteristics of a Model of a Proposed Six-Engine Hull-Type Seaplane Designed for Supersonic Flight

Description: Report presenting an investigation of the hydrodynamic characteristics of a six-engine hull-type seaplane designed for supersonic flight. Four engines were mounted on top of the wing in individual nacelles and two engines were mounted on the top of the aft section of the hull. Results regarding the acceleration, gross-load-total-resistance ratio, stabilizer deflections, and reaction of the inlets to water are presented.
Date: July 14, 1958
Creator: Coffee, Claude W., Jr.
Partner: UNT Libraries Government Documents Department
open access

Determination of Burnout Limits of Polyphenyl Coolants : Summary Report

Description: Report documenting an investigation undertaken "to establish the burnout limits of a polyphenyl mixture (...), diphenyl, Santowax R, and monoisopropyl-biphanyl for various pressures, fluid velocities, and fluid temperatures" (p. 7).
Date: February 14, 1958
Creator: Core, T. C. & Sato, K.
Partner: UNT Libraries Government Documents Department
open access

THE EFFECT OF PRIMARY ALPHA ON THE BETA DECOMPOSITION OF ZIRCONIUM-URANIUM- OXYGEN ALLOYS

Description: The effect of primary alpha present during the solutiontreating cycle on the incubation period for the decomposition of beta and on the resultant structure has been determined for Zr-base alloys containing from 7 to 15 wt.% U and from 0.094 to 0.29 wt.% 0. Prior-existing alpha decreased the time at which precipitation of Widmanstgtten alpha started and increased the rate of precipitation. The microstructure of transformed alloys was correlated with tentative isothermal-transformation diagrams. … more
Date: January 14, 1958
Creator: Douglass, D. L. & Marsh, L. L. Jr.
Partner: UNT Libraries Government Documents Department
open access

SOLVENT EXTRACTION APPLIED TO REACTOR FUEL PROCESSING FIRST QUARTER CO-OP REPORT

Description: The solvent extraction of thorium with 42.5% TBP in a Decalin diluent was studied in a compound pulse column. The HETS for the extraction section of the column was 4.7 feet. A discussion of the method of gaphical calculations of a compound column is included. (auth)
Date: July 14, 1958
Creator: Dunn, W.E.
Partner: UNT Libraries Government Documents Department
open access

Prescoping Optimization for Selection of Enriched Uranium Gas-Cooled Power Reactor Design

Description: A preliminary set of performance calculations were made for enriched reactor cores based on five cylindrical vessel designs ranging from13 to 36 feet in diameter. The capital costs per kilowatt of electrical plant output as shown in Table II indicate than an economic optimum selection of pressure vessel size should be either the 25 foot or the 36 foot vessel.
Date: February 14, 1958
Creator: Farmer, W.; Hill, E.; Lang, P.; Trickett, K. & Matovich, S.
Partner: UNT Libraries Government Documents Department
open access

Effects of Boattail Area Contouring and Simulated Turbojet Exhaust on the Loading and Fuselage-Tail Component Drag of a Twin-Engine Fighter-Type Airplane Model

Description: "An investigation of a twin-engine fighter-type airplane model has been conducted in the Langley 16-foot transonic tunnel to determine the effect on drag of a fuselage volume addition incorporating streamline contouring and more extensive boattailing of the engine shrouds. The effect of hot exhausts from the turbojet engines was simulated with hydrogen peroxide gas generators using scaled nonafterburning engine nozzles. Afterbody pressure distributions, base drag coefficients, and forces on the… more
Date: July 14, 1958
Creator: Foss, Willard E., Jr.; Runckel, Jack F. & Lee, Edwin E., Jr.
Partner: UNT Libraries Government Documents Department
open access

The Compatibility of a Number of Metals and Alloys With Graphite

Description: The interaction between graphite and a number of metals and alloys was studied at 1850 deg F in 250-hr tests. Some materials were also tested at 1650 and 1850 deg F in 1000-hr tests. The graphite was heated in intimate contact with the test metal in welded metallic capsules. The exen of the reaction was judged on the basis of metallographic examinations and hardness traverses on cross sections of the reacted elements. Copper was the least reactive material tested in contact with graphite. Nicke… more
Date: April 14, 1958
Creator: Gerds, A.F. & Mallett, M.W.
Partner: UNT Libraries Government Documents Department
open access

Wind-Tunnel Investigation of the Effect of Sweep and Taper Ratio on Effectiveness of Spoiler-Slot-Deflector Controls on Aspect-Ratio-4 Wings at Transonic Speeds

Description: Report presenting a wind-tunnel investigation performed in the high-speed tunnel to study the effect of wing sweep and taper ratio on spoiler-slot-deflector control effectiveness. All of the wings tested were aspect-ratio-4 and had NACA 65A004 airfoil sections as well as a variety of sweep angles, taper ratios, and spoiler projections. The results are presented without analysis.
Date: August 14, 1958
Creator: Hammond, Alexander D. & McKinney, Linwood W.
Partner: UNT Libraries Government Documents Department
open access

A PRELIMINARY SURVEY OF SOME FLUORIDE COMPOUNDS - II

Description: These two parts were issued separately, but are cataloged as a unit. The two compounds Na/sub 4/U/sub 3/F/sub 17/ and Na/sub 3/Th/sub 2/F/sub 11/ were found to have a face-centered cubic structure. From parameter dimensions and intensity values these two compounds appear to be isomorphous. Na/sub 5/U/sub 3/F/sub 17/ has an identical cell size with alpha -Na/sub 2//UF/sub 6/. A group of three compounds (Rb/sub 2/ThF/sub Rb/sub 2/ZrF/sub 6/, and CsZrF/sub 6/) were reliably identified as being uni… more
Date: May 14, 1958
Creator: Harris, L.A.
Partner: UNT Libraries Government Documents Department
open access

The Safety Program of the University of California Radiation Laboratory at Livermore, California

Description: From abstract: "The Safety Program of the University of California Radiation Laboratory at Livermore, California, is discussed in terms of the functions of the six independent safety groups that comprise the laboratory's primary safety organization, namely, Industrial Safety, Medical Safety, Fire Prevention and First Aid, Health Chemistry, Health Physics, and High-Explosive Safety Groups."
Date: April 14, 1958
Creator: Herron, Russell Gardner
Partner: UNT Libraries Government Documents Department
open access

An Experimental Investigation of Two Internal-Compression Air-Inlet Designs Which Use Fluid Boundaries as a Means of Supersonic Compression

Description: Report presenting an investigation of the internal-flow characteristics of two novel designs of internal-compression air inlets in the supersonic blowdown tunnel. A longitudinally slotted contracting channel and effective contracting channel formed by the natural thickening of the boundary layer in a confined channel can be used to obtain pressure recoveries at a satisfactory level.
Date: August 14, 1958
Creator: Howell, Robert R. & Trescot, Charles D., Jr.
Partner: UNT Libraries Government Documents Department
open access

Application of neutron monitors to process control in Recuplex. Status report

Description: A program was. initiated early in 1957 to develop a neutron monitor capable of detecting plutonium (Pu) concentration in process vessels in Recuplex. This followed an earlier application by Finished Products Operation and Research and Engineering of neutron monitoring to powder counting which had been successful and was being regularly used. The process vessel monitoring was to be done by the ``in tank probe`` method, utilizing the monitored solution as its own-moderator, and detecting the resu… more
Date: July 14, 1958
Creator: Kelly, P. R. & Hildreth, N. T.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen