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The Regeneration Factor as a Function of Time in a Th232 - U235 Thermal Reactor
This technical report is concerned with a theoretical investigation of the variation of the regeneration factor [gamma] in a Th232 - U235 thermal reactor. The abundances of the significant isotopes in the thorium-uranium cycle have been derived as a function of irradiation time at constant reactor power. The change in [gamma] as a function of irradiation time at constant power was calculated for combinations of enrichment and resonance escape probability considered likely to exist in a thermal reactor. The effect upon [gamma] of the the absorption cross section of 91Pa233 and of the fission products has been shown.
Date:
September 1954
Creator:
Carter, J. C.
System:
The UNT Digital Library
Metallurgy Division Quarterly Report July, August, and September 1953
This quarterly report discusses ongoing research and experiments at Oak Ridge National Laboratory in the Metallurgy Division. This report discusses water cooled reactors, liquid metal cooled reactors, reactor development metallurgy, basic metallurgy, applied metallurgy, and aqueous corrosion,
Date:
September 30, 1953
Creator:
Foote, Frank G. (Frank Gale), 1906- & Schumar, James F.
System:
The UNT Digital Library
Corrosion and Stability Tests on Chemical Poisons in Higher-Temperature Water
Corrosion-stability tests have been made in static autoclaves at 500 and 600F on solutions of compounds having high neutron cross sections to evaluate their usefulness for shutdown purposes. The only compound tested which appeared to be completely stable in 600F water was boric acid. Limited corrosion data did not show it to cause excessive corrosion of zirconium or stainless steel.
Date:
September 1, 1953
Creator:
Breden, Calvin Rudolph, 1901- & Abers, Alma
System:
The UNT Digital Library
Reactor Engineering Division Quarterly Report June 1, 1953 through August 31, 1953
Report issued by the Argonne National Laboratory covering the quarterly report from the Reactor Engineering Division. A summary of reactor programs (including the Power Breeder Reactor (PBR) and the Central Station Water Reactor (CSWR)), designs, development, and experiments are presented. This report includes tables, illustrations, and photographs.
Date:
September 15, 1953
Creator:
Argonne National Laboratory. Reactor Enginneering Division.
System:
The UNT Digital Library
Comparative Analysis of ANL High Purity Uranium
In the course of the development at Argonne of high purity uranium metal in ingot form, some questions arose as to the validity of the chemical analyses of some of the impurities (particularly those for carbon, boron, and silicon), with one analytical laboratory reporting concentrations in some instances of an order of magnitude greater than another laboratory. Since the low concentrations of impurities in this material involved, in some cases, the development of modified analytical procedures and standards, it was decided to check these discrepancies by having identically prepared samples analyzed by several AEC and associated laboratories. This report is a compilation of the results obtained.
Date:
September 24, 1953
Creator:
Blumenthal, B. & Chiswik, H. H.
System:
The UNT Digital Library
The Development of Equipment and Methods for Centrifugally Casting Reactor Fuel Slugs
This technical report describes the design and construction of equipment and the development of methods for multiple mold, centrifugal casting of reactor fuel slugs. Advantages of the centrifugal casting method over the conventional fabrication methods were found to be (1) fewer operations, (2) fewer and more easily recovered residues, (3) less expensive equipment, and (4) the production of fuel slugs in shapes and in alloys not well adapted to other methods of manufacture. The method consisted of vacuum melting the alloy in stoppered crucibles and bottom pouring into a spinning rotor carrying 16 radially arranged copper molds. The castings so produced were used without further processing, except for cropping the sprue end to obtain the specified length.
Date:
September 29, 1953
Creator:
Shuck, Arthur B., 1918-
System:
The UNT Digital Library
Preferred Orientation in 300 C Rolled and in Recrystallized Uranium Sheet
The rolling and recrystallization textures in 300 C rolled uranium sheet were investigated using a Geiger counter diffractometer with the modified Schulz reflection technique. Seven sections of sheet material were used in order to obtain sufficient data for quantitative pole figures by the reflection technique. A special integrating specimen table was used for obtaining and recording the data atomically.
Date:
September 15, 1953
Creator:
Mueller, Melvin Henry, 1918-; Knott, Harold W. & Beck, Paul A. (Paul Adams), 1908-
System:
The UNT Digital Library
The Thermal Neutron Cross Section Of 9.2h Xe135 : Supplement to Report CP-2782
In this report it reviews a possible declassification of the content of report CP-2782 (February 15, 1945) that presents the data of the most careful measurements of the thermal neutron cross section of 9.2h Xe135 and re-evaluation of the particular methods of measuring neutron flux employed in this experiment had been made for other purposes.
Date:
September 12, 1952
Creator:
Freedman, Melvin S. (Melvin Sleen), 1915-
System:
The UNT Digital Library