Resource Type
Serial/Series Title
Atomic Energy Commission Reports
264
University of California Radiation Laboratory Reports
112
HW (Series)
110
Hanford Works Reports
103
AEC research and development report
91
Oak Ridge National Laboratory Reports
76
TID
60
NYO (Series) (New York)
49
Report (U.S. Atomic Energy Commission)
43
UC (Series)
29
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Country
States
721 Matching Results
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Steady-State Tests of a Reactor Safety Device
Introduction: This is the fourth report in a series of reports dealing in particular with a reactor safety device of a double diaphragm type.
Date:
December 15, 1960
Creator:
Springer, T. H.
Object Type:
Report
System:
The UNT Digital Library
Technical Feasibility and Economic Potential of the Variable Moderator Reactor: Final Report
Foreword: This report covering the technical feasibility and economic potential of the VMR completes the requirements of Phases II and III of the program outlined in American-Standard Proposal No. P-470A.
Date:
December 15, 1960
Creator:
Advanced Technology Laboratories
Object Type:
Report
System:
The UNT Digital Library
Development and Evaluation of High-Temperature Tungsten Alloys : Final Report, October 1, 1960 - September 30, 1960
This report summarizes investigations taken between October 1, 1959, to September 30, 1960 with the objectives of developing high-tungsten alloys which are readily fabricable into massive and complex shapes and which possess adequate strength for operation at temperatures up to 2000 F. Within this report, studies are divided into two main categories: alloy development and material fabrication techniques
Date:
December 14, 1960
Creator:
Holtz, F. C. & Van Thyne, R. J.
Object Type:
Report
System:
The UNT Digital Library
Some Control Rod Applications and Operating Experience in Power Reactor Environments
Information obtained in a survey of control rod applications and operating experience is reported. This survey covered the Army Nuclear Power Program, the Organic Moderated Reactor Experiment, the Yankee Atomic Power Plant, the Shippingport Pressurized Water Reactor and the Argonne Experimental Boiling Water Reactor.
Date:
December 14, 1960
Creator:
Williamson, H.E.
Object Type:
Report
System:
The UNT Digital Library
Homogeneous Molten Salt Reactors
Multigroup one-dimensional calculations were done recently to obtain estimates of critical masses, power density distributions and fissioning spectra for some homogeneous molten salt reactors having outer reflectors and central "islands," placed inside the currently proposed MSRE vessel. For a 5-inch-thick outer reflector and 1-ft-diamter island, both beryllium, the calculated critical mass is 108 kg; 40 percent of the fissions occur at thermal, and the maximum power density of 3.9 times the core mean power density occurs at the island-salt interface. If the reflector thickness is increased to 10 inches, the critical mass is reduced to 34 kg; 67 percent of the fissions occur at thermal, and the peak power density of twice the core mean again occurs at the core island-salt interface.
Date:
December 13, 1960
Creator:
Nestor, C. W., Jr
Object Type:
Report
System:
The UNT Digital Library
Use of Convergent and Asymptotic Series for Computation of the Modified Bessel Function of the First Kind.
In the Communications of the ACM of April, 1960, p. 240, there appeared two Algol algorithms for the computation of In, the modified Bessel function of the first kind. One of these algorithms uses a convergent series and the other an asymptotic series. Their author, Dorothea S. Clarke, did not give any information with regard to which algorithm is more appropriate in a given situation (a given situation meaning the computation of In (x) for a definite pair of numbers n and x). Such information is necessary, however, if the algorithms are to be useful, particularly since the asymptotic series is in many cases not valid.
Date:
December 12, 1960
Creator:
Bumgarner, L. L.
Object Type:
Report
System:
The UNT Digital Library
Hardness of Various Valve Seat and Bearing Materials for Possible Use in Thora Slurry Systems
The hardness of several materials that have been considered for use as valve scats and bearings in thorium oxide slurry systems were measured and are reported for comparison with thorium oxide.
Date:
December 9, 1960
Creator:
Moyers, J. C. & Randell, H. A.
Object Type:
Report
System:
The UNT Digital Library
Maritime Gas-Cooled Reactor Program: MGCR Prototype Preliminary Design, Volume 1
From preface: This report presents the status of design of the MGCR prototype plant as of July 1, 1960.
Date:
December 9, 1960
Creator:
General Dynamics Corporation
Object Type:
Report
System:
The UNT Digital Library
Specifications for Fuel Assemblies for Core I of the Experimental Gas-Cooled Reactor
These specifications for the fuel assemblies for Core I of the Experimental Gas-Cooled Reactor (EGCR) have been developed for use in procuring the first core loading. A fuel assembly for EGCR consists of a cluster of seven cylindrical fuel elements spaced and supported within a graphite sleeve. Each fuel element consists of a stainless steel tube containing a column of hollow UO2 pellets and having a spacer brazed at the midsection to control the spacing between fuel elements in a cluster. A master specification for the fuel assembly, a supplementary specification for each of the components, and a specification on record keeping during manufacture are included.
Date:
December 9, 1960
Creator:
Coobs, J. H.; Wick, E. A. & Evans, R. M.
Object Type:
Report
System:
The UNT Digital Library
The Helium Purification System for the Proposed 800 MWT Pebble Bed Reactor
A helium coolant purification system was designed for the proposed 800 MWT Pebble Bed Reactor. The purification system will operate on a coolant side stream with a flow rate 1% of the total coolant flow and there are provisions for radioactive and non-radioactive contamination removal.
Date:
December 7, 1960
Creator:
Scott, C. D. & Suddath, J. C.
Object Type:
Report
System:
The UNT Digital Library
Note on Estimating the Energies of the Arizona and Ungava Meteorite Craters
In the course of the cratering studies conducted as part of the Plowshare Program, the dependence of crater dimensions on depth of burst and the scaling laws relating crater dimensions to total energy release have been derived for chemical explosions in the desert alluvium of the Nevada Test Site. The desert alluvium is a lightly cemented sand and gravel, which was chosen for study because the first nuclear cratering explosions were fired in the medium and it was of interest to compare the nuclear and chemical explosion in the same medium. Shoemaker of the U.S. Geological Survey recently completed a detailed analysis of the Arizona Meteorite Crater and, through direct comparison with the nuclear explosion results in Nevada, arrived at an effective depth burst for the meteorite. He also reconstructed the original size and shape of the crater, and determined the limit of brecciation.
Date:
December 7, 1960
Creator:
{{{name}}}
Object Type:
Report
System:
The UNT Digital Library
Tory II-A Aerothermodynamics. Part I
This report is a summary of the aerothermodynamic calculations that have been made during the evaluation of the Tory II-A reactor. A presentation is made of the computational techniques developed, the materials properties utilized, and the calculational results obtained. In addition, relations fundamental to the analysis are discussed
Date:
December 7, 1960
Creator:
Uthe, P. M.
Object Type:
Report
System:
The UNT Digital Library
Genetic Influences On Mating Behavior In Drosophila Melanogaster
Certain aspects of mating behavior in two different types of Drosophila melanogaster females (Basc and Bv) and wildtype males (Samarkand) have been investigated and compared.
Date:
December 6, 1960
Creator:
Hildreth, Philip E. & Becker, Gweneth Carson
Object Type:
Report
System:
The UNT Digital Library
Research Study on Neutron Interactions in Matter as Related to Image Formation
Report discussing a study on neutron detection schemes and the effect of neutron scattering on neutron image formation quality.
Date:
December 5, 1960
Creator:
Watts, H. V. & Stone, C. A.
Object Type:
Report
System:
The UNT Digital Library
Strontium Sorption Studies Using Naturally Occurring Ion Exchange Materials
Four naturally occurring materials, namely, vermiculite, variscite, Tennessee rock phosphate, and Florida pebble phosphate, were studied to determine the feasibility of their use in columns for the sorption of strontium from high pH, intermediate-level wastes produced at ORNL. Excepting vermiculite, all materials were found to be effective in strontium removal.
Date:
December 5, 1960
Creator:
Thomas, K. T.; Jacobs, D. G.; Tamura, T. & Struxness, E. G.
Object Type:
Report
System:
The UNT Digital Library
A Transport Calculation of the HFIR Beam Hole Currents
An estimate was made of the beam hole currents to be expected from both the radial and tangential beam holes in the present HFIR design. The angular fluxes required for these calculation were determined by an 18-group, S8 transport calculation (SNG reactor code). Both type beam holes produced thermal neutron currents of 7.5 x 10^10 neutrons/cm^2 sec. at a power level of 100 Mw. The nonthermal component of the beam current was 7.0 x 10^10 and 4.5 x 10^10 neutrons/cm^2 -sec for the radial and tangential holes, respectively.
Date:
December 5, 1960
Creator:
Claiborne, H. C. & Rakavy, G.
Object Type:
Report
System:
The UNT Digital Library
A Statistical Model of Nuclear Level Spacings
A generalization of Wigner's simple model for the distribution of nuclear level spacings is studied. It is based on a stochastic process which reproduces the correct joing probability distribution of N enerfy levels for small spacings. The case N=3, which includes the effect of the correlation between adjacent spacings, is discussed in detail. The resulting distribution and the correlation coefficient are compared with experimental data. No definite conclusion can be drawn except to say that the effect of the correlations on the spacing distributions on the spacing distribution is very small.
Date:
December 4, 1960
Creator:
Dresner, L. & Inönü, E.
Object Type:
Report
System:
The UNT Digital Library
Aeroradioactivity Survey and Areal Geology of the Savannah River Plant Area, South Carolina and Georgia (ARMS-I)
Report regarding an airborne radioactivity survey that took place in the 10,000 square mile area near Augusta, Georgia. Topics include the types of bedrock noted in the area as well as their levels of radioactivity.
Date:
December 1960
Creator:
Schmidt, Robert G.
Object Type:
Report
System:
The UNT Digital Library
Anion Exchange of Neptunium in Nitrate Solutions
Technical report. From Abstract : "The absorption and elution of the anionic nitrate complex of neptunium (IV) were studied with several anion exchange resins and under a wide variety of conditions." From Introduction : "The objective of this study was to provide a technical basis for selecting process conditions for the recovery of Np."
Date:
December 1960
Creator:
Burney, Glenn A.
Object Type:
Report
System:
The UNT Digital Library
Centrifugal Creep Test Machine Evaluation Program: Final Report
Abstract: A centrifugal creep test machine was evaluated for in-pile creep use.
Date:
December 1960
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Closed Extensions of the Laplace Operator Determined by a General Class of Boundary Conditions
This paper is concerned with the spectral theory of closed operators in Hilbert space determined by the Laplace operator and certain general boundary conditions. Using the method of J.W. Calkin, we treat the case of a bounded domain in E(m) with C(1,1) boundary, and, in addition, extend the method to cover the case for which the operator L in the boundary condition is not necessarily self-adjoint. It is shown that there exists an appropriate linear close of functions [formula] such that the operator in the Hilbert space [formula] and [formula] is self-adjoint. In potential theoretic terms it is the set of all sums p + h, where p is the potential due to a charge g in G and h is the potential due to a surface charge f on ∂G and h is a potential due to a surface charge f on G, where g and f are, respectively, square integrable over G and ∂G
Date:
December 1960
Creator:
Badè, W. G. (William G.), 1924-2012 & Freeman, R. S.
Object Type:
Report
System:
The UNT Digital Library
A Comparison of Radiation--Induced Graft Copolymerization Utilizing Electron Accelerators and Isotope Sources as Radiation Initiators
"The grafting of methacrylic acid, styrene (2: 1 mole ratio) co-monomer mixture on polypropylene film and fabric, was studied to compare electron accelerators and isotopes as sources of radiation. An aluminum block that contalns i/8-in.-deep pockets covered with Mylar film for holding sample and monomer during mutual irradiatlon was developed. A preliminary comparison was made in post grafting polypropylene film and fabric preirradiated with Cow and with an electron accelerator source. It was found that post grafting was rapid at 80 ts C but slow at room temperature. Monomer equilibration before irradiation increased the grafting rate. Higher grafts were obtained when samples were irradiated in sparged and sealed containers. The grafting rate increased as dose rate decreased."
Date:
December 1, 1960
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Corrosion of Metals in Sea Water
Report issued by the Office of Saline over the corrosive properties of sea water on metals. As stated in the report, "the following paragraphs outline the major factors which influence corrosion reactions" (p. 2). This report includes tables, illustrations, and photographs.
Date:
December 1960
Creator:
Fink, Frederick W.
Object Type:
Report
System:
The UNT Digital Library
Elastic Scattering of Negative Pions by Protons at 226 MEV
"In 1935, Yukawa proposed that a field must exist, analogous to the electromagnetic field but different in nature, which is responsible for the attraction between a proton and a neutron in a nucleus. He was led to the prediction of the existence of particles, quanta of this field, with mass intermediate between that of the electron and proton. In 1947, using photographic plates, the Bristol group led by Powell confirmed the existence of these particles, meons."
Date:
December 1960
Creator:
Kellman, Simon
Object Type:
Report
System:
The UNT Digital Library