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Metallurgical Evaluation of the Uranium Rods Rolled for the Chalk River Pile Test

Description: Summary: "The laboratory data collected during the metallurgical evaluation of these rods indicate that lower rolling temperatures increased the ultimate and yield strength, the amount of cold work, and the degree of preferred orientation existing in these uranium rods."
Date: September 11, 1952
Creator: Sanderson, M. J. & Hueschen, R. E.
Partner: UNT Libraries Government Documents Department
open access

Criticality Conditions for 1.75 Per Cent Enriched Uranium Slugs

Description: Abstract: "A batch of slugs is being prepared for which the U-235 content will be 1.75 per cent, and it is of interest to calculate the minimum number of such slugs required for a critical assembly in water. Using Handbook (CL-697) methods, a critical assembly of these slugs arranged in a lattice with a spacing of 5.5 cm."
Date: September 11, 1952
Creator: Erkman, John O.
Partner: UNT Libraries Government Documents Department
open access

Use of the Boiler Neutron Source for Exponential Experiments

Description: The following report deals with the application of the water boiler neutron source to the exponential experiments in an attempt to speed up lattice testing measurements.
Date: December 11, 1952
Creator: Davenport, D. E.
Partner: UNT Libraries Government Documents Department
open access

Results of Critical Mass Studies for Hanford at K-25

Description: Report presenting results of a study regarding the critical masses and nuclear properties of plutonium as well as the use and effects of various tampers.
Date: October 11, 1950
Creator: Gast, Paul F.
Partner: UNT Libraries Government Documents Department
open access

Backmixing in Pulse Columns II, Experimental Values and Effect of Several Variables

Description: Seven runs were made with the system Penn. Ref. Co. "Supersol" (dispersed) water (continuous) to investigate the effects of pulse frequency, amplitude plate spacing, volume flow ratio, and throughput on backmixing, using the technique of continuous injection of a tracer solution into the packed section. Backmixing was found to be surprisingly insensitive to all the above variables over the range studied with the exception of pulse amplitude and continuous phase flow rate, showing greatest depe… more
Date: August 11, 1953
Creator: Swift, W. H. (Ward Henry), d 1929- & Burger, L. L.
Partner: UNT Libraries Government Documents Department
open access

Functional Testing and Operating Manual for Consolidated Helium Leak Detector, Model 24-101A

Description: A pile gas leak detection system consisting of a purchased mass spectrographic type of helium detector, a long sampling line for use in remote or relatively inaccessable locations, a pump to pull a continuous sample of gas from the tip of the probe to the detector, and a rotameter to measure the gas flow rate in the sampling line has been developed, calibrated, operationally tested. The system is practical for use in locating all pile gas leaks larger than about 0.1 cubic foot per hour.
Date: September 11, 1953
Creator: Spencer, H. G.
Partner: UNT Libraries Government Documents Department
open access

The Resistance of Various Bearing Materials to Chemical Attack by Nitric Acid and Uranyl Nitrate Hexahydrate

Description: The purpose of this study has been to evaluate the chemical resistance of various bearing materials to solutions of nitric acid and uranyl nitrate hexahydrate with views toward selecting the best material to be used as bearings in Purex submerged rotating equipment.
Date: March 11, 1954
Creator: Groves, Norman D.
Partner: UNT Libraries Government Documents Department
open access

Hanford Controlled Potential Coulometer

Description: Report describing the Hanford Laboratory controlled potential coulometer. This includes the theory behind the coulometer, details of its circuitry, and performance tests. Appendix begins on page 23.
Date: July 11, 1960
Creator: Connally, R. E. & Scott, F. A.
Partner: UNT Libraries Government Documents Department
open access

Conversion of Mica-Window G-M Tube Lead-Pig Counters to Scintillation Detection

Description: Because of the excessive vertical fragility and high replacement costs of mice-window G-M tubes used in vertical and horizontal lead-pig shelf counters, it was requested that a simple system of conversions to reliable scintillation detection be accomplished.
Date: May 11, 1959
Creator: Spear, W. G. & Crouch, G. D.
Partner: UNT Libraries Government Documents Department
open access

The Nuclear Safety of Fissile Materials

Description: Whenever fissile materials are handled in significant quantities such as in fuel element fabrication, separation processes, or in exponential and/or critical experiments a potential criticality hazard exists. The usual procedure which is followed by those persons conducting critical mass experiments is to either place the potential reactor in a heavily shielded cell or to conduct the experiments remotely in which case distance provides a measure of safety in the event of an unscheduled radiatio… more
Date: 1959-02-11?
Creator: Clayton, E.D.
Partner: UNT Libraries Government Documents Department
open access

Cofit - A 709 Program for Determining Extrapolation Length from Horizontal Traverse Data

Description: A program has been prepared for the 709 computer which will determine extrapolation length from horizontal traverses measurements taken in an exponential pile. The flux across the pile is assured to fit a cosine function of the form y = A cos B (X-C)
Date: August 11, 1959
Creator: Matsumoto, D. D.
Partner: UNT Libraries Government Documents Department
open access

Development of a Welding Process for Spire-Can Fuel Elements

Description: The components for the present aluminum clad, Al-Si bonded, internally and externally cooled (I & E), uranium fuel elements are composed of impact extruded cans and spire caps as shown in Figure 1. This type of component requires two impact extrusions; however, in December, 1957, J. E. Ruffin proposed another design of component in which there was only one impact extrusion. For this component, Figure 2, the spire was impact extruded as a part of the can.
Date: March 11, 1960
Creator: Hanson, G. R.
Partner: UNT Libraries Government Documents Department
open access

Zircaloy Process Tube Monitoring

Description: The large scale application of Zircaloy-2 pressure tubes for structural use either in or out of reactor service, is without precedent. For more common materials, there normally are adequate data and long operating histories on which to base design and service limits. In the absence of such information for Zr-2, several investigative programs have been devised to provide much of the information from which design and service limits may be defined for Zr-2 pressure tubes. These investigations enco… more
Date: April 11, 1960
Creator: Pankaskie, P. J.
Partner: UNT Libraries Government Documents Department
open access

Corrosion of Type 202 Stainless Steel in High Temperature Water

Description: The chromium-nickel-manganese alloys are a group of austenitic stainless steels which were developed during the Korean War to conserve nickel. These alloys are very similar to their corresponding 300 Series grades in mechanical, physical and corrosion properties. A portion of the nickel in the 300 Series grades has been replaced by approximately 2% manganese for each percent of nickel replaced. Two compositions, AISI 201 and AISI 202, are recognized as standard grades. Two other compositions, A… more
Date: December 11, 1959
Creator: Larrick, A. P.
Partner: UNT Libraries Government Documents Department
open access

Hydraulic System Flow Decay Relations During Loss of External Power

Description: Over the last decade, several computational methods have been developed and used to examine reactor flow transients caused by pump outage. The variations in system character which have been analyzed are sufficiently diverse that it appears worthwhile to compile them into a single report.
Date: February 11, 1960
Creator: Love, W. J.
Partner: UNT Libraries Government Documents Department
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