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Ames Project, Chemical Research - General Chemistry, Report for the Period of April 10 to May 10, 1944
Technical report. Areas covered are properties of uranium halides, properties of uranium nitrides, and hydride formation at high pressure.
Date:
June 17, 1944
Creator:
Spedding, F. H. (Frank Harold), 1902- & Wilhelm, H. A.
System:
The UNT Digital Library
Metallurgical Laboratory, Nuclear Physics Division, Report for the Month Ending May 25, 1944
Technical report with short reports from the (1) Experimental Nuclear Physics Group; (2) Theoretical Physics Group ; (3) Lattice Design Group; (4) Pile Design Group; (5) Exponential Experimental Group; (6) Radiation Group; and (7) Shielding Group.
Date:
June 14, 1944
Creator:
Fermi, Enrico, 1901-1954
System:
The UNT Digital Library
Representation of Slowing Down Functions in Water by Synthetic Kernels
Fermi, Anderson, and Nagle's experimental distribution of Indium resonance neutrons around a point source of fission neutrons in water has been fitted by analytic expressions which are source functions in the two-group, three-group, Fermi and Christy-Wheeler pile theory. The Christy-Wheeler function (exponential followed by a Gaussian) is the best fit; the two-group function (exponential) is slightly better than the Fermi Gaussian.
Date:
June 1, 1944
Creator:
Cahn, Albert, Jr.
System:
The UNT Digital Library
The Effect of the Maxwell Distribution of Velocities on the Neutron Density and Diffusion Length in a Metal Sphere
The change in the simple [formula] distribution of neutrons in a spherical lump of uranium caused by the distribution in velocities of thermal neutrons is calculated. If the calculated curve is fitted as well as possible by a simple [formula] curve, it is shown that the value of [formula] obtained in this way is a function of [formula], the radius of the sphere. For small radii the [formula] obtained in this manner will be as much as 25% greater than the [formula] corresponding to average velocity neutrons. The change in the thermal utilization caused by the distribution in velocities is discussed. The flux of neutrons into a sphere is calculated taking into account the velocity distribution and this is compared with the usual theory.
Date:
June 27, 1944
Creator:
Plass, Gilbert N.
System:
The UNT Digital Library
Stability of Split Hollow Cylinders
Abstract: "The behavior of radially split hollow cylinders upon heating is discussed."
Date:
June 29, 1944
Creator:
Karush, William & Monk, A. T.
System:
The UNT Digital Library
Comparative Tests of High Voltage Resistors Used for Voltmeter Bleeders
The following report describes tests made for the purpose of determining the accuracy and permanency of various types of high resistance bleeders, and their resistance variation during use over a period of approximately six months.
Date:
June 19, 1944
Creator:
Grauer, Carl T.
System:
The UNT Digital Library
Modified Liquid Phase Reactor
The following report describes a modified Kraus type reactor that had been constructed for use in bets chemical conversion operations.
Date:
June 23, 1944
Creator:
Zuidema, J. W. & Ballard, A. E.
System:
The UNT Digital Library
Jacket Temperature Near End of Slug
Some situations which give rise to a hot ring around the slug near the end are considered; namely rounded slug ends in the long cartridge design, and the Wilkins effect in the current unbonded short slug design.
Date:
June 23, 1944
Creator:
Young, Gale Jay
System:
The UNT Digital Library