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A Rapid Colorimeric Method for the Determination of Phosphate in Uranium Waste Solutions

Description: Report discussing tests of a new colorimetric method. From abstract: "A colorimetric method, which is a modification of the classical phosphomolybdic acid method, has been developed for the determination of phosphate in synthetic uranium waste solutions...The chief advantage of the method, over those presently included in HW Manuals, is the rapidity with which determinations may be carried out."
Date: August 22, 1949
Creator: Sege, C. A. & Ice, C. H.
Partner: UNT Libraries Government Documents Department
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The Solvent-Extraction Performance of Redox IC Columns (ANL June 1948 Flowsheet) Using Raschig Ring Packing, and Unirradiated Uranium: Redox Technical Study No. 14

Description: A report which summarizes the performance data obtained from Redox solvent extraction IC Column studies made prior to January 15, 1949 in accordance with conditions of the A.N.L. June 1, 1948, Flowsheet.
Date: August 22, 1949
Creator: Hartzell, L. O.; Woodfield, F. W. & Bradley, J. G.
Partner: UNT Libraries Government Documents Department
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The Coulometric Determination of Acetic Acid

Description: Abstract: "Small amounts of acetic acid, equivalent to 400 ul. of 0.3 to 0.13 g/L. can be titrated coulonatrically in the presence of a 10 to 25-fold excess of HN03 in 70%, isopropanol. An accuracy of +/- 0.1% and a precision of +/- 8.5% (99% limite) are obtained.
Date: August 16, 1949
Creator: Carson, W. N. & Ko, Roy
Partner: UNT Libraries Government Documents Department
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The Leadville Drainage Tunnel, Lake County, Colorado

Description: Report issued by the Bureau of Mines over the Leadville Drainage Tunnel. Descriptions and details about the tunnel are presented. This report includes tables, maps, illustrations, and photographs.
Date: August 1949
Creator: Elgin, Robert A.; Volin, M. E. & Townsend, James W.
Partner: UNT Libraries Government Documents Department
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Investigations of Salt River Vanadium Deposits, Lincoln County, Wyoming

Description: Report issued by the Bureau of Mines over studies conducted on the vanadium deposits of Lincoln County, Wyoming. As stated in the introduction, "the work performed by the Bureau of Mines is explained in detail and supplemented with plans, sections, and a complete set of sample analyses. Proposed mining methods are discussed, and metallurgical tests are outlined" (p. 2). This report includes tables, maps, and illustrations.
Date: August 1949
Creator: Allsman, Paul T.; Majors, Forest H.; Mahoney, Stanford R. & Young, W. A.
Partner: UNT Libraries Government Documents Department
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Investigation of Casper Mountain Chromite Deposits, Natrona County, Wyoming

Description: Report issued by the Bureau of Mines over a large chromite deposit on Casper Mountain. Description of the deposit is listed. This report includes tables, maps, and illustrations.
Date: August 1949
Creator: Horton, Frederick W. & Allsman, Paul T.
Partner: UNT Libraries Government Documents Department
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Carrier-free Radioisotopes from Cyclotron Targets I. Preparation and Isolation of Sn113 and In114 from Cadmium

Description: The cyclotron is the only practical source of many carrier-free radioisotopes. The preparation and radiochemical isolation of a number of these activities, produced in the 60-inch cyclotron of Crocker Laboratory, will be presented in this paper and in subsequent papers of this series. In most cases the carrier-free radioisotopes were prepared for use in biological systems and the final preparations were in the form of isotonic saline solutions at a range of pH from 5 to 8. The present paper rep… more
Date: August 11, 1949
Creator: Maxwell, R. D.; Haymond, H. R.; Bobmberger, D. R.; Garrison, W. M. & Hamilton, J. G.
Partner: UNT Libraries Government Documents Department
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P Division monthly report, July 1949

Description: The progress report discusses activities of the P Division for the month of July, 1949. The B and F piles operated at 275 megawatts and the D pile at 305 megawatts throughout the month except for outages listed under Area Activities. A total of 57.5 tons of metal, at an average concentration of 363 megawatt days/ton (MWD/ton) was discharged from the piles during the month. This included 41.9 tons of Class V (alpha-rolled, triple-dipped, completely transformed) metal at an average concentration … more
Date: August 5, 1949
Creator: Lee, Edward P.
Partner: UNT Libraries Government Documents Department
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Study of the health aspects of dgreaser operation in the airlock of the 105 Building in the 100 H Area

Description: On June 29th and July 13th, 1949, the Industrial Hygiene Group of the Health Instrument Divisions at HAPO conducted a study of the health aspects of the degreaser operations carried on in the Airlock adjoining the 105 Building in the 100 H Area. This was done at the request of the Medical Division. The results of the study, together with certain pertinent information concerning degreaser operation, are reported in this report.
Date: August 11, 1949
Creator: Gill, W. E.
Partner: UNT Libraries Government Documents Department
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Life Tests of Tungsten and Tantalum Filaments in Ion Gauges

Description: Results of an investigation carried on for the following purposes: (1) To determine the relative life of filaments when operated at low emission (low temperatures) as compared to those operated at high emission values. (2) To determine the nature of the dependence of life upon the initial diameter of the filament. (3) To determine the effect of varying concentrations of water vapor and air upon the life of the filaments. (4) To determine the relative life characteristics of tantalum as compare… more
Date: August 9, 1949
Creator: Bush, W. E.
Partner: UNT Libraries Government Documents Department
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A radar method of calibrating airspeed installations on airplanes in maneuvers at high altitudes and at transonic and supersonic speeds

Description: A method of calibrating the static-pressure source of a pitot static airspeed installation on an airplane in level flight, dives, and other maneuvers at high altitude and at transonic and supersonic speeds is described. The method principally involves the use of radar-phototheodolite tracking equipment. The various sources of error in the method are discussed and sample calibrations are included.
Date: August 31, 1949
Creator: Zalovcik, John A.
Partner: UNT Libraries Government Documents Department
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Boundary-layer and stalling characteristics of the NACA 64A006 airfoil section

Description: Report presenting the boundary-layer and stalling characteristics on an NACA 64A006 airfoil section at a Reynolds number of 5,800,000. Data included measurements of lift, drag, and pitching moment, chordwise distributions of pressure, visual studies of the boundary-layer flow, and surveys of the static-pressure and velocity distribution within the boundary layer. Results regarding force and moment characteristics, pressure distributions, and boundary-layer characteristics are provided.
Date: August 1949
Creator: McCullough, George B. & Gault, Donald E.
Partner: UNT Libraries Government Documents Department
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Critical Combinations of Shear and Direct Axial Stress for Curved Rectangular Panels

Description: "A solution is presented for the problem of the buckling of curved rectangular panels subjected to combined shear and direct axial stress. Charts giving theoretical critical combinations of shear and direct axial stress are presented for panels having five different length-width ratios. Because the actual critical compressive stress of rectangular panels having substantial curvature is known to be much lower than the theoretical value, a semiempirical method of analysis of curved panels subject… more
Date: August 1949
Creator: Schildcrout, Murry & Stein, Manuel
Partner: UNT Libraries Government Documents Department
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Two-dimensional compressible flow in centrifugal compressors with straight blades

Description: Report presenting six numerical examples for steady, two-dimensional, compressible, nonviscous flow in centrifugal compressors with straight blades, the center lines of which generate a right circular cone when rotated about the axis of the compressors. A seventh example is presented for incompressible flow. Correlation equations are developed whereby the flow conditions in any impeller with straight blades can be determined for all operating conditions.
Date: August 1949
Creator: Stanitz, John D. & Ellis, Gaylord O.
Partner: UNT Libraries Government Documents Department
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Moments of Cambered Round Bodies

Description: Results are presented for the moments and position of force centers of a series of cambered round bodies derived from a torpedo-like body of revolution. The effects of placing fins on the rear of the body of revolution are also included.
Date: August 1949
Creator: Kempf, Günther
Partner: UNT Libraries Government Documents Department
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Preliminary Aerodynamic Investigation of the Effect of Camber on a 60 Degree Delta Wing with Round and Beveled Leading Edges

Description: Memorandum presenting an exploratory investigation to determine the aerodynamic effects of camber on a 60 degree apex delta-wing model conducted in the 300 mph 7- by 10-foot tunnel. Camber variation was accomplished through the deflection of full-span round and 25 degree beveled leading-edge flaps on a flat-sided triangular plan-form wing.
Date: August 16, 1949
Creator: Riebe, John M. & Fikes, Joseph E.
Partner: UNT Libraries Government Documents Department
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Experimental performance of chlorine trifluoride-hydrazine propellant combination in 100-pound-thrust rocket engine

Description: Report presenting an investigation of the experimental performance of chlorine triflouride and hydrazine measured over a range of propellant mixtures in a 100-pound-thrust rocket engine. Experimental values of specific impulse, volume specific impulse, heat rejection per propellant weight, nozzle thrust coefficient, and characteristic velocity were obtained as functions of percent fuel by weight in the propellant mixture.
Date: August 15, 1949
Creator: Ordin, Paul M. & Miller, Riley O.
Partner: UNT Libraries Government Documents Department
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Flight Investigation at High-Subsonic, Transonic, and Supersonic Speeds to Determine Zero-Lift Drag of Bodies of Revolution Having Fineness Ratio of 6.04 and Varying Positions of Maximum Diameter

Description: Report presenting a flight investigation of rocket-powered models at high-subsonic, transonic, and supersonic speeds to determine the zero-lift drag of fin-stabilized bodies of revolution differing in maximum diameter. All bodies had 6.04 fineness ratio and cut-off sterns with equal base area. The most favorable location out of the 20-percent, 40-percent, and 60-percent positions were evaluated for different speeds.
Date: August 31, 1949
Creator: Katz, Ellis R.
Partner: UNT Libraries Government Documents Department
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Preliminary Theoretical and Flight Investigation of the Lateral Oscillation of the X-1 Airplane

Description: Report presenting the results of flight tests showing lateral oscillation in the Bell X-1 and calculations created to determine the effects of changes in several mass and aerodynamic parameters on the lateral oscillations. Calculations indicate that lateral stability should be improved by a more positive inclination of the principal axis of inertia or a reduction of the value of yawing moment of inertia.
Date: August 12, 1949
Creator: Drake, Hubert M. & Wall, Helen L.
Partner: UNT Libraries Government Documents Department
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