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The Properties of Uranium Containing Minor Additions of Aluminum or Zirconium

Description: This report discusses studies revealing the tensile properties, hot hardness, and heat treatment characteristics of uranium alloys with added aluminum or zirconium.
Date: July 16, 1956
Creator: Saller, Henry A.; Rough, Frank A. & Chubb, Walston
Partner: UNT Libraries Government Documents Department
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Purification of Argon, Helium and Xenon : a Bibliography

Description: This bibliography contains 145 references on the technology and apparatus used in the purification of argon, helium and xenon, and on the analysis for water, carbon monoxide, hydrogen, nitrogen, and oxygen, in the purification process. The references are arranged in four classifications: general, argon, helium, and xenon. Within each classification, the references are arranged in chronological order.
Date: September 16, 1956
Creator: Cernak, Elizabeth A.
Partner: UNT Libraries Government Documents Department
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Solubility of Hydrogen in the 50 Weight Percent Uranium-Zirconium Alloy. Scientific Paper 100ff1010-p1

Description: The reaction of He with the epsilon phase of the 50 wt. % U--Zr alloy is studied using a sensitive vacuum microbalance apparatus to prepare the alloys, a sensitive McLeod gage to measure the dissociation pressures, and x-ray diffraction analyses to determine the phases present in the alloy. Although the reaction of H/sub 2/ with the alloy is very rapid at 100 deg C for oxide free surfaces, homogenization is very slow. Hydrogen alloys are prepared in the composition range of U/sub 0.28/Zr/sub 0.… more
Date: October 16, 1956
Creator: Gulbransen, E.A.; Andrew, K.F. & Ruka, R.J.
Partner: UNT Libraries Government Documents Department
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A PROPOSAL FOR A GENERALIZED CARD KEY PUNCH

Description: A key punch is discussed which would be useful in any automatic coding system requiring the initial input to be made via cards with 12 rows such as the standard IBM card. The proposed key punch consists of a keyboard connected to a punch and a electric typewriter so that if a character is struck, it is both punched in a single card column and typed on a sheet of paper. Each character key contains three characters which may be used in superscript, subscript, or main line position. (M.H.R.)
Date: July 16, 1956
Creator: Voorhees, E.A.
Partner: UNT Libraries Government Documents Department
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The Properties of Uranium Containing Minor Additions of Aluminum or Zirconium

Description: The tensile properties, hot hardness, and heattreatment characteristics of urarnium alloys containing up to 2.9 at.% aluminum or 4.0 at.% zirconium are described. The data shown that zirconium has a favorable effect upon the grain size, hardness, and tensile strength of uranium without materially affecting ductility. Additions of 3.8 at. % zirconium raised the tensile strength of uranium at room temperature fiom about 100,000 psi to about 200,000 psi, while the elongation in 2 in. increased fro… more
Date: July 16, 1956
Creator: Saller, H. A.; Rough, F. A. & Chubb, W.
Partner: UNT Libraries Government Documents Department
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Preparation of Uranium Alloys by Melting

Description: Methods of melting uranium and its alloys are examined including vacuum induction melting and consumable and non-consumable electrode arc melting. The equipment and procedures are outlined with the limitations and uses of each method. In addition, the preparation and properties of Al--U, Cr-U, Mo--U, U-- Nb, U--Si, and U-Zr, and Nb--U--Zr alloys are described. Special techniques of agitation during freezing to produce fine castings are listed along with a discussion of the advantages of centrif… more
Date: February 16, 1956
Creator: Haynes, W. B. & Lorenz, F. R.
Partner: UNT Libraries Government Documents Department
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Recuplex nuclear safety equipment revisions

Description: A number of equipment revisions have been recommended by the Engineering Department for conversion of Recuplex to a manufacturing facility. These revisions include three items affecting the critical mass safety of the solvent extraction system: replacement of the bottom disengagement section of the H-3 stripping column with an always safe unit; replacement of the H-9 and H-10 intercolumn, organic phase surge tanks with always safe tanks; and replacement of the colorimetric plutonium monitors in… more
Date: May 16, 1956
Creator: Judson, B.F.
Partner: UNT Libraries Government Documents Department
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Preliminary Report on Experimental Investigation of Engine Dynamics and Controls for a 48-Inch Ram-Jet Engine

Description: Engine dynamics and controls data are presented for a ram-jet engine which was operated in a free-jet facility at a Mach number of 2.76 and altitudes from 68,000 to 82,000 feet. The predominant engine dynamic characteristics was dead time, with values ranging from 0.018 to 0.053 sec. The control systems were designed to hold a constant ratio of a diffuser static pressure to an inlet-cone reference static pressure.
Date: March 16, 1956
Creator: Vasu, George; Hart, Clint E. & Dunbar, William R.
Partner: UNT Libraries Government Documents Department
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A special method for finding body distortions that reduce the wave drag of wing and body combinations at supersonic speeds

Description: For a given wing and supersonic Mach number, the problem of shaping an adjoining fuselage so that the combination will have a low wave drag is considered. Only fuselages that can be simulated by singularities (multipoles) distributed along the body axis are studied. However, the optimum variations of such singularities are completely specified in terms of the given wing geometry. An application is made to an elliptic wing having a biconvex section, a thickness-chord ratio equal to 0.05 at the r… more
Date: May 16, 1956
Creator: Lomax, Harvard & Heaslet, Max A.
Partner: UNT Libraries Government Documents Department
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Static Lateral and Directional Stability and Control Characteristics of a Revised 1/22-Scale Model of the Republic F-105 Airplane at Mach Numbers of 1.41 and 2.01

Description: Report discussing testing to determine the static lateral and directional stability and control characteristics of a model of the Republic F-105 airplane. The effects of various vertical tails and ventral fins, wing-tip fences, a canopy fin, fuselage nose shape, external stores, and deflection of horizontal tail, spoiler, and rudder were explored.
Date: October 16, 1956
Creator: Robinson, Ross B. & Foster, Gerald V.
Partner: UNT Libraries Government Documents Department
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Experimental investigation of air-side performance of liquid-metal to air heat exhangers

Description: Report describing an experiment to obtain heat-transfer and pressure-drop data for the air side of a liquid-metal to air, shell-and-tube heat exchanger. Testing was conducted in a 500 kilowatt facility using sodium as the shell-side heating fluid. Results regarding the shell-and-tube heat exchanger and finned-tube heat exchanger friction factor are provided.
Date: March 16, 1956
Creator: Gedeon, Louis; Conant, Charles W. & Kaufman, Samuel J.
Partner: UNT Libraries Government Documents Department
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Preliminary Report on Experimental Investigation of Engine Dynamics and Controls for a 48-Inch Ramjet Engine

Description: Experimental investigation of engine dynamics and controls for 48-inch ramjet engine in free jet facility at Mach number 2.76 and altitudes 68,000 to 82,000 feet. The engine data presented include steady-state performance, indical response, frequency response, and ignition characteristics. Ignition data are presented for representative fuel-air ratios which show that the normal shock overshoots its final position by several feet during ignition transients.
Date: March 16, 1956
Creator: Vasu, George; Hart, Clint E. & Dunbar, William R.
Partner: UNT Libraries Government Documents Department
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Design and test of mixed-flow impellers 7: experimental results for parabolic-bladed impeller with alternate blades cut back to form splitter vanes

Description: Report presenting an experimental investigation of a modified parabolic-bladed centrifugal impeller that was altered by cutting back every other blade to form splitter vanes. It was investigated over a range of equivalent impeller tip speeds and a range of flow rates. Results regarding the overall performance characteristics, a comparison of the splitter vane impeller and the fully bladed impeller, the maximum weight flow, and static-pressure ratios are provided.
Date: March 16, 1956
Creator: Osborn, Walter M.
Partner: UNT Libraries Government Documents Department
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Some Effects of Sweep and Thickness on the Experimental Downwash Characteristics at Transonic Speeds of a Series of Highly Tapered Wings With an Aspect Ratio of 3: Transonic Bump Method

Description: Report presenting an investigation using the transonic-bump technique of some effects of sweep and thickness on the transonic downwash and wake characteristics of a series of highly tapered semispan wings with an aspect ratio of 3. Results regarding the downwash characteristics and wake characteristics are provided.
Date: February 16, 1956
Creator: Few, Albert G., Jr.
Partner: UNT Libraries Government Documents Department
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Ditching investigations of dynamic models and effects of design parameters on ditching characteristics

Description: From Summary: "Data from ditching investigations conducted at the Langley Aeronautical Laboratory with dynamic scale models of various airplanes are presented in the form of tables. The effects of design parameters on the ditching characteristics of airplanes, based on scale-model investigations and on reports of full-scale ditchings, are discussed. Various ditching aids are also discussed as a means of improving ditching behavior."
Date: November 16, 1956
Creator: Fisher, Lloyd J. & Hoffman, Edward L.
Partner: UNT Libraries Government Documents Department
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Comparison of several methods for obtaining the time response of linear systems to either a unit impulse or arbitrary input from frequency-response data

Description: From Summary: "Several methods of obtaining the time response of Linear systems to either a unit impulse or an arbitrary input from frequency-response data are described and compared. Comparisons indicate that all the methods give good accuracy when applied to a second-order system; the main difference is the required computing time. The methods generally classified as inverse Laplace transform methods were found to be most effective in determining the response to a unit impulse from frequency-… more
Date: March 16, 1956
Creator: Donegan, James J. & Huss, Carl R.
Partner: UNT Libraries Government Documents Department
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THE REACTION OF HYDROGEN WITH A 50 WEIGHT PERCENT ALLOY OF URANIUM AND ZIRCONIUM BETWEEN 542 C AND 798 C. Research Report 100FF1010-R1

Description: Hydrogen sorption isotherms have been measured between 542 and 798 deg C at pressures of 0.001 to 70 cm of Hg. The isotherms give the terminal solubility of S in the initial alloy phases and the limiting compositions of new phases containing H/sub 2/. Values for the heat of solution of H/sub 2/ at all concentrations are presented. A comparison of the data with that of the H-- Zr system indicates that, above a minimum H/sub 2/concentration, the alloy breaks down to give V and Zr. The alloy then … more
Date: November 16, 1956
Creator: Singleton, J.H.; Ruka, R. & Gulbransen, E.A.
Partner: UNT Libraries Government Documents Department
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