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Analytical results on leachings from Nutsche Filters

Description: This report describes results of an investigation to determine whether plutonium nitrates and lanthanum compounds were being entrained on the filter aid and filter block of the Nutsche Filters in Cell 2 of Bldg. 231. Leach samples were analyzed for La, Pu, phosphate, fluoride, Pu{sup 240}, and Am. From the data the authors concluded that the holdup on the Nutsche Filter is due to insoluble plutonium compounds either filtered from solution, or more likely, formed on the filter. These compounds w… more
Date: July 2, 1951
Creator: Barton, G.B.
Partner: UNT Libraries Government Documents Department
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Physics Division Quarterly Progress Report for Period Ending March 20, 1951

Description: Technical report covering classified work of the Critical Experiments Program in the Physics Division for the period December 20, 1950 to March 20, 1951. Report outlines investigations of properties of critical assemblies composed of uranium and various reflectors and moderators, preliminary measurements of the effective energy for fission in the assembly. [From Introduction and Summary]
Date: July 2, 1951
Creator: Bernstein, S.; Snell, A. H. & Wollan, E. O.
Partner: UNT Libraries Government Documents Department
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An Investigation of the Effect of the WADC 30,000-Horsepower Whirl Rig Upon the Static Characteristics of a Propeller

Description: "Tests have been made at the Langley Aeronautical Laboratory on a 6000-horsepower propeller dynamometer installed at a ground test facility to determine the effect of a half-scale model of the Wright Aeronautical Development Center 30,000-horsepower whirl rig upon the aerodynamic characteristics of a three-blade NACA 10-(3)(062)-045 propeller. The model of the whirl rig was mounted in front of the 6000-horsepower propeller dynamometer. Static propeller tests were made for 0deg, 5deg, 10deg, 15d… more
Date: July 2, 1952
Creator: Salters, Leland B., Jr. & Norton, Harry T., Jr.
Partner: UNT Libraries Government Documents Department
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Wind-tunnel investigation of the aerodynamic characteristics in pitch of wing-fuselage combination at high subsonic speeds: Sweep series

Description: Report that is part of a program to investigate the aerodynamic characteristics in pitch, yaw, and steady roll of various model configurations with variations in the wing geometric parameters. The paper presents the aerodynamic characteristics in pitch of wing-fuselage combinations with wings of aspect ratio 4, taper ratio of 0.6, and sweep angles varying from 3.6 degrees to 60 degrees. Results regarding lift characteristics, pitching-moment characteristics, drag characteristics, and lift-drag … more
Date: July 2, 1952
Creator: Wiggins, James W. & Kuhn, Richard E.
Partner: UNT Libraries Government Documents Department
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An experimental investigation at subsonic and supersonic speeds of the torsional damping characteristics of a constant-chord control surface of an aspect ratio 2 triangular wing

Description: Report presenting the results of a wind-tunnel investigation of the torsional damping characteristics of a constant-chord control surface. The results indicated that the damping coefficient at supersonic speeds was near zero with a tendency toward instability at low supersonic Mach numbers. Results regarding theory, damping moments, and restoring moments are provided.
Date: July 2, 1953
Creator: Reese, David E., Jr.
Partner: UNT Libraries Government Documents Department
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Principles and Techniques of Ultrasonic Inspection

Description: Ultrasonic inspection for subsurface flaws is widely used in American industry. This report reviews the general principles and specific techniques of ultrasonic testing. The information is based on a review of the technical literature plus the experience of the Quality Assurance Department at Sandia Corporation in applying this nondestructive testing technique to quality evaluation programs.
Date: July 2, 1953
Creator: Psillas, H. C. & Ballard, D. W.
Partner: UNT Libraries Government Documents Department
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A Study of Visual Interception Attacks on a Nonmaneuvering Airplane Target

Description: Report presenting a study and evaluation of interception attacks made by an experienced pilot flying a Grumman F9F-3 airplane on a nonmaneuvering target. The runs were made under visual conditions at subsonic speeds and an altitude of 30,000 feet. Results regarding interceptor control characteristics, tracking characteristics, effect of interceptor turning capabilities, data significant to design of interceptor control systems, and evaluations applied to the automatic control apparatus.
Date: July 2, 1953
Creator: Cheatham, Donald C.; Mathews, Charles W. & Harper, John A.
Partner: UNT Libraries Government Documents Department
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The Use of Area Suction for the Purpose of Improving Trailing-Edge Flap Effectiveness on a 35 Degree Sweptback Wing

Description: "An investigation was conducted to determine the effectiveness of suction applied through a porous area at the leading edge of the flap, on a 35 degree sweptback wing. Several chordwise extents and positions of area suction were tested for the suction flap deflected 55 degrees and 70 degrees. The results indicated that large increases in flap lift increment can be made by applying suction with very small flow quantities to an area near the leading edge of a flap" (p. 1).
Date: July 2, 1953
Creator: Cook, Woodrow L.; Holzhauser, Curt A. & Kelly, Mark W.
Partner: UNT Libraries Government Documents Department
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Design and Experimental Investigation of Light-Weight Bases for Air-Cooled Turbine Rotor Blades

Description: Memorandum presenting an investigation of the problem of air-cooled turbine rotor-blade weight reduction for aircraft gas turbines as part of the NACA turbine-cooling research program. A bulb-root-type blade-base design was achieved which utilized forming and brazing techniques in its manufacture and was combined with an axial-flow turbojet engine aerodynamic profile. Results regarding the sheet-metal bulb-root-type air-cooled base designs, air-cooled pinned-type base design, and some weight re… more
Date: July 2, 1954
Creator: Freche, John C. & McKinnon, Roy A.
Partner: UNT Libraries Government Documents Department
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Engine performance of alloy 73J turbine blades cast to predetermined grain sizes

Description: Report presenting an investigation to determine the suitability of alloy 73J as a turbojet turbine-blade alloy and the effect of grain size on engine operating life. Blades made of alloy 73J were run in a full-scale J33-9 turbojet engine under cyclic conditions. Results regarding the macroexamination of blades, engine life, engine life against stress-rupture life, blade failures, blade elongation, metallographic results, and blade dimensions and the possible effects of overdimensions are provid… more
Date: July 2, 1954
Creator: Johnston, James R.; Gyorgak, Charles A. & Weeton, John W.
Partner: UNT Libraries Government Documents Department
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Multiple over-all performance and rotating-stall characteristics of a 15-stage experimental axial-flow compressor at an intermediate speed

Description: From Summary: "The 15-stage experimental axial-flow compressor was investigated at 78.5 percent of design speed, which falls in the region of the surge-limit line discontinuity. In this region indications of multiple characteristic curves of compressor operation had been found. On the basis of previous stage-matching analyses, these multiple performance characteristics appear to be the result of multiple-valued stage performance characteristics."
Date: July 2, 1954
Creator: Lucas, James G. & Filippi, Richard E.
Partner: UNT Libraries Government Documents Department
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Performance of a Short Turbojet Combustor With Hydrogen Fuel in a Quarter-Annulus Duct and Comparison With Performance in a Full-Scale Engine

Description: Memorandum presenting an investigation of a number of short turbojet combustor configurations for hydrogen fuel in a quarter-annulus duct. The best combustor liner consisted of an annular primary zone and a secondary zone composed of T-shaped channels sloping from the primary zone to the combustor wall.
Date: July 2, 1956
Creator: Friedman, Robert; Norgren, Carl T. & Jones, Robert E.
Partner: UNT Libraries Government Documents Department
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Performance of a short turbojet combustor with hydrogen fuel in a quarter-annulus duct and comparison with performance in a full-scale engine

Description: Satisfactory combustion efficiencies and outlet radial-temperature distributions at low total-pressure loss were obtained in an experimental, quarter-annulus combustor with hydrogen fuel at total pressures as low as 5.7 inches of mercury absolute. The combustor was 25 percent shorter than previous models for liquid hydrocarbon fuels. Similar performance was obtained from this combustor design operated with hydrogen in a full-scale engine.
Date: July 2, 1956
Creator: Friedman, Robert; Norgren, Carl T. & Jones, Robert E.
Partner: UNT Libraries Government Documents Department
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Progress Relating to Civilian Applications During June, 1956

Description: A report about the mechanical properties of dilute uranium alloys which might be crucial to developing high strength alloys for possible use as fuel.
Date: July 2, 1956
Creator: Dayton, Russell W. & Tipton, Clyde R., Jr.
Partner: UNT Libraries Government Documents Department
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Tests With Hydrogen Fuel in a Simulated Afterburner

Description: Report presenting an investigation in a 16-inch-diameter simulated afterburner using gaseous hydrogen fuel. Results regarding combustion efficiency, afterburner pressure losses, spontaneous ignition, and a heat-balance check are provided.
Date: July 2, 1956
Creator: Kerslake, W. R. & Dangle, E. E.
Partner: UNT Libraries Government Documents Department
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Tests with hydrogen fuel in a simulated afterburner

Description: From Summary: "An investigation was conducted in a 16-inch-diameter simulated afterburner using gaseous hydrogen fuel. No flameholder was used with a multipoint fuel injector. The burner length was varied from 9.5 to 38 inches. The afterburner-inlet conditions were: temperature of 1200 degrees or 1500 degrees F, pressure of 14 to 44 inches mercury absolute, and velocity of 300 to The measured combination efficiency ranged from 85 to 98 percent over an equivalence-ratio range of 0.2 to 1.0. The … more
Date: July 2, 1956
Creator: Kerslake, W. R. & Dangle, E. E.
Partner: UNT Libraries Government Documents Department
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The Effects at Subsonic Speeds of Wing Fences and a Tail on the Longitudinal Characteristics of a 63 Degree Swept-Wing Fuselage Combination

Description: Report presenting wind-tunnel testing to evaluate the effects of wing fences and a tail on the longitudinal characteristics of a highly swept wing in combination with a fuselage. The model, which had a cambered and twisted wing with a leading-edge sweepback of 63 degrees and an aspect ratio of 3.5, was tested with fences of various shapes and swept and unswept horizontal tails. Results regarding exploratory tests, final-configuration tests, static longitudinal stability factors, and maximum lif… more
Date: July 2, 1957
Creator: Buell, Donald A. & Kolbe, Carl D.
Partner: UNT Libraries Government Documents Department
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Flight Measurements and Calculations of Wing Loads and Load Distributions at Subsonic, Transonic, and Supersonic Speeds

Description: "Presented in this report is a summary of local and net angle-of-attack wing-panel loads measured in flight on six airplanes. In addition, a comparison of these loads measured in flight with calculations based on simple theory is presented" (p. 1).
Date: July 2, 1957
Creator: Malvestuto, Frank S.; Cooney, Thomas V. & Keener, Earl R.
Partner: UNT Libraries Government Documents Department
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The Sine-Cosine Method for Reducing the Interference Pressure Drag of Sweptback Wings

Description: Memorandum presenting a procedure for reducing the interference pressure drag of the root and tips of sweptback wings. Experimental and theoretical pressure-drag values over a range of Mach numbers for configurations designed by the method were compared with the values of two similar configurations designed by the transonic and supersonic area-rule methods. Results regarding total drag, pressure drag, and drag comparison are provided.
Date: July 2, 1957
Creator: Faget, Maxime A.
Partner: UNT Libraries Government Documents Department
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Sodium Boiling Calculations

Description: The equations are derived for making rough calculations of the pressure drop required to produce a given mass flow through a subassembly for a given heat generation for cases where the vapor volume fraction is 0.9 or less. The ratio of vapor velocity to liquid velocity is left as a parameter that is varied form unreasonably low to unreasonably high values.
Date: July 2, 1957
Creator: Nicholson, R. B.
Partner: UNT Libraries Government Documents Department
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105-N charge-discharge rates

Description: Figures have and can be generated that indicate a higher charge-discharge rate if required before 105-N will be comparable with existing reactors. Also, these figures show an apparent operating cost incentive to increase the charge-discharge rates proposed for 105-N. Although these figures may be true by themselves, other figures developed from the same information and stated on a basis that affords a true comparison, show that the proposed rates for 105-N are compatible with those in existing … more
Date: July 2, 1959
Creator: Nesbitt, J. F.
Partner: UNT Libraries Government Documents Department
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In-Pile Loop Tests of GCRE Elements (I-IT and I-I'T)

Description: Report documenting two in-pile loop experiments conducted at the Battelle Research Reactor-Gas Cooled Reactor (BRR-GCR). These experiments test heat transfer calculations and the behavior of the fuel element under severe thermal-cycling conditions.
Date: July 2, 1959
Creator: Nakazato, S.; Williams, P. M. & Wilson, W. D.
Partner: UNT Libraries Government Documents Department
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