Resource Type
Serial/Series Title
NACA Research Memorandums
121
Atomic Energy Commission Reports
44
Hanford Works Reports
16
University of California Radiation Laboratory Reports
15
Oak Ridge National Laboratory Reports
13
NACA Technical Reports
9
ORNL (Series)
8
HW (Series)
7
AEC research and development report
5
UCRL (Series)
5
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224 Matching Results
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Investigation at high subsonic speeds of bodies mounted from the wing of an unswept-wing-fuselage model, including measurements of body loads
Report presenting an investigation with the dual purpose of determining the effect of two bodies in various positions, symmetrically located from the plane of symmetry, on the aerodynamic characteristics of a wing-fuselage model and determining the aerodynamic loads on one of two bodies. Some of the most significant effects were obtained for the direct-mounted tip bodies which gave a large increase in the lift-curve slope of the basic model.
Date:
November 14, 1952
Creator:
Silvers, H. Norman & King, Thomas J., Jr.
Object Type:
Report
System:
The UNT Digital Library
Corrosion of Aluminum and Beryllium by MTR Canal Water
Introduction: "In the early operation of the WTR severe canal corrosion of dummy fuel assemblies and a beryllium A-piece caused a great deal of concern as to the possible effects of long-time canal storage on such elements. A short-term experimental program was started to determine the causes of this corrosion and to correct them before any irradiated fuel elements had to be stored in the canal. The results of this program are presented here."
Date:
January 14, 1953
Creator:
Burnham, J. B., Jr. & Bartz, M. H.
Object Type:
Report
System:
The UNT Digital Library
Effect of particle size and stabilizing additives on the combustion properties of magnesium slurry
Report presenting an experimental investigation using a 1 7/8-inch diameter burner to determine the effects of particle size and stabilizing additives on the combustion performance of magnesium-hydrocarbon slurry fuels. Results regarding an evaluation of the sampling method, blow-out velocity, and combustion efficiency are provided.
Date:
January 14, 1953
Creator:
Lord, Albert M. & Evans, Vernida E.
Object Type:
Report
System:
The UNT Digital Library
Note of the Function of the Aquadag in the Stellarator
The following report introduces the aquadag, a part of the stellarator with the purposes to prevent the non-uniform accumulation of electrostatic charges on the walls of the stellerator and to free the electrons of the stellerator and provide accelerations, achieving a uniform field distribution.
Date:
January 14, 1953
Creator:
Witten, Louis
Object Type:
Report
System:
The UNT Digital Library
Some fundamental aspects of nitric acid oxidants for rocket applications
From Summary: "The literature pertaining to the preparation, physical properties, corrosiveness, thermal stability, constitution, and analysis of various nitric acids is reviewed primarily with respect to their use as rocket oxidants. Conflicting data are evaluated and recommendations for additional experimental work are indicated. Reactions of nitric acid which could occur during the starting and steady-stage phases of rocket operation are discussed and probable mechanisms are selected on the basis of reported thermal and kinetic data."
Date:
January 14, 1953
Creator:
Ladanyi, Dezso J.; Miller, Riley O.; Karo, Wolf & Feiler, Charles E.
Object Type:
Report
System:
The UNT Digital Library
Spark ignition of flowing gases III : effect of turbulence promoter on energy required to ignite a propane-air mixture
Report presenting an investigation to determine the effect of turbulence generated by different sizes of wire grid on the minimum spark-ignition energy of a flowing propane-air mixture. Gas-stream velocity, size of turbulence promoter, and distance from the promoter plate to the electrodes on minimum ignition energy were evaluated and the effects are shown in figures.
Date:
January 14, 1953
Creator:
Swett, Clyde C., Jr. & Donlon, Richard H.
Object Type:
Report
System:
The UNT Digital Library
Summary of Research Progress Meeting of December 4, 1952
Research progress on projects: Landau Effect with 32 Mev Protons, n - p Scattering of "300" Mev Neutrons, Geologic History of the Earth's Magnetic Field.
Date:
January 14, 1953
Creator:
Shewchuck, Sergey
Object Type:
Report
System:
The UNT Digital Library
Effect of leading-edge chord-extensions on the aerodynamic characteristics of a 45 degree sweptback wing-fuselage combination at Mach numbers of 0.40 to 1.03
Report presenting an investigation in the 16-foot transonic tunnel to determine the effect of leading-edge chord-extensions on the aerodynamic characteristics of a sweptback wing-fuselage combination at several Mach numbers. Results regarding the effect of chord-extensions on longitudinal stability for wing-normal configuration, effect of chord extensions on lift for wing-normal configurations, effect of chord-extensions on drag and lift-drag ratios of wing-normal configurations, effect of chordwise fences on the aerodynamic characteristics of a wing-normal configuration, and effect of chord-extensions on the pitching moment and lift characteristics of a wing-art configuration are provided.
Date:
April 14, 1953
Creator:
West, F. E., Jr.; Martz, Gladys S. & Liner, George
Object Type:
Report
System:
The UNT Digital Library
Effects of Metal Purity and Heat Treatment on the Corrosion of Uranium in Boiling Water
Corrosion rates of present reactor grade uranium were measured in boiling distilled water and were found to have higher values almost by a factor of two then previously reported corrosion rates of uranium. Mallinckrodt biscuit metal showed corrosion rates in the same medium somewhat lower than reactor grade uranium, and high purity metal prepared at Argonne National Laboratory corroded considerably less rapidly than the biscuit metal.
Date:
April 14, 1953
Creator:
Draley, Joseph Edward, 1919- & McWhirter, J. W.
Object Type:
Report
System:
The UNT Digital Library
Free-flight tests of three 1/9-scale models of the wing-ram-jet configuration of the Grumman XSSM-N-6A (Rigel) missile to investigate the possibility of flutter: TED No. NACA DE 223
Report presenting cold-flow free-flight tests at zero lift to investigate the possibility of flutter of simulated wing-ram-jet-nacelle configurations which were 1/9-scale models of the wing and ramjet nacelles of the Grumman XSSM-N-6a missile. Testing was performed on three different configurations. Results regarding Mach number, velocity, aerodynamic density, and flutter are provided.
Date:
April 14, 1953
Creator:
O'Kelly, Burke R. & Lauten, William T., Jr.
Object Type:
Report
System:
The UNT Digital Library
Lift, drag, and pitching moment of low-aspect-ratio wings at subsonic and supersonic speeds
Results are presented, in graphical and tabular form, from a wind tunnel investigation of the lift, drag, and pitching moment characteristics of thin, low-aspect-ratio wings in combination with a body at Mach numbers from 0.25 to as high as 1.9. The following are analyzed and compared with existing theoretical results: 1. Effects of aspect ratio on 3-percent-thick triangular wings; 2. Effects of plan form on 3-percent-thick triangular, sweptback, and unswept wings of aspect ratios 2 and 3; 3. Effects of wing thickness on triangular wings of aspect ratio 2; 4. Effects of profile shape on triangular, sweptback, and unswept wings; and 5. Effects of camber and twist on triangular wings of aspect ratios 2 and 4.
Date:
April 14, 1953
Creator:
Hall, Charles F.
Object Type:
Report
System:
The UNT Digital Library
Thermal Conductivity of Uranium-Chromium and Uranium-Iron Eutectic Alloys
Report discussing measurements of thermal conductivity and heat capacity for uranium-chromium and uranium-iron eutectic alloys at room temperature. The resulting values were intended for use in design calculations until more accurate data at other temperatures was obtained.
Date:
April 14, 1953
Creator:
McKee, John M., Jr.
Object Type:
Report
System:
The UNT Digital Library
Drag and Longitudinal Trim at Low Lift of the North American YF-100A Airplane at Mach Numbers from 0.76 to 1.77 as Determined from the Flight Test of a 0.11-Scale Rocket Model
Drag and longitudinal trim at low lift of the North American YF-100A airplane at Mach numbers from 0.76 to 1.77 as determined from the flight test of a 0.11-scale rocket model are presented herein. Also included are some longitudinal stability and some qualitative pitch-damping data.
Date:
May 14, 1953
Creator:
Blanchard, Willard S., Jr.
Object Type:
Report
System:
The UNT Digital Library
Surface Studies of Irradiated Graphite
The effects of oxidation and irradiation on the microsurface structure of pile graphite have been investigated by measuring the surface area and pore size distribution of several samples. The results obtained for both oxidized and irradiated graphite samples indicate that changes in surface characteristics which occur are determined by the flux, temperature of irradiation, and gaseous atmosphere in which the radiation takes place.
Date:
July 14, 1953
Creator:
Spalaris, C. N.
Object Type:
Report
System:
The UNT Digital Library
Altitude operational characteristics of prototype J40-WE-8 turbojet engine
From Introduction: "The altitude performance characteristics of the prototype J40-WE-8 turbojet engine were determined in the NACA Lewis altitude wind tunnel. The altitude operational characteristics of the engine are presented herein. The results of a brief study of the effect of the two different grades of fuel (MIL-F-5624A grades JP-3 and JP-4) on steady-state engine performance at an altitude of 45,000 feet and a flight Mach number of 0.20 are also given."
Date:
August 14, 1953
Creator:
Sobolewski, Adam E. & Lubick, Robert J.
Object Type:
Report
System:
The UNT Digital Library
Chemistry Division, Section C-II, Summary Report For October, November, and December 1952
This report deals with the (1.1) physical properties of graphite, (1.2) effects of pile irradiation on the properties of graphite, (1.3) effect of irradiation on "ceramic" materials, (1.4) exposure and dosage for radiation damage experiments, (1.5) apparatus for the measurement of the thermal conductivity of solids, (1.6) effects of radiation on ice -- the thermoluminescence of ice, (1.7) investigation of color centers and other optical properties of single crystals. (2.1) radiation chemistry of liquids, (3.1) radiochemical investigation of the spontaneous fission of Cm242, (3.2) radiochemical service, (3.3) on the one-body model of alpha, (4.1) spectrographic analysis, (4.2) chemical analysis, (5.1) the 60-inch cyclotron.
Date:
August 14, 1953
Creator:
Gilbreath, J. R. & Simpson, O. C.
Object Type:
Report
System:
The UNT Digital Library
The Influence of a Change in Body Shape on the Effects of Twist and Camber as Determined by a Transonic Wind-Tunnel Investigation of a 45 Degree Sweptback Wing-Fuselage Configuration
Report presenting an investigation in the transonic tunnel to determine the influence of a change in body shape on the effects of twist and camber. Twist and camber were found to greatly improve the maximum lift-drag ratios of the wing-modified fuselage configuration through the speed range, but reduced the ratios for a wing-curved fuselage configuration. Results regarding basic aerodynamic data are also provided.
Date:
August 14, 1953
Creator:
Harrison, Daniel E.
Object Type:
Report
System:
The UNT Digital Library
Investigation of the Use of a Stick Force Proportional to Pitching Acceleration for Normal-Acceleration Warning
Report presenting an investigation of the feasibility of modifying the transient portion of the stick force in abrupt maneuvers in order to eliminate inadvertent normal-acceleration overshoots. The modification consists of additional stick force proportional to a quantity which leads the normal acceleration. The characteristics introduced by the inclusion of the force were considered to be very desirable by pilots.
Date:
August 14, 1953
Creator:
Abramovitz, Marvin; Schmidt, Stanley F. & Van Dyke, Rudolph D., Jr.
Object Type:
Report
System:
The UNT Digital Library
The lateral control characteristics of constant-percent-chord trailing-edge elevons on a pointed wing of aspect ratio 2 at Mach numbers up to 0.95
Report presenting an investigation to determine the lateral control characteristics of constant-percent-chord trailing-edge elevons on a tailless wing-body combination with a pointed wing of aspect ratio 2. The effectiveness of inset tabs in reducing the elevon hinge moment was also determined. Results include the lift, drag, pitching moment, rolling moment, elevon hinge moment, tab moment, elevon load, and center of pressure of elevon load.
Date:
August 14, 1953
Creator:
Reed, Verlin D. & Smith, Donald W.
Object Type:
Report
System:
The UNT Digital Library
Performance comparison of three canard-type ram-jet missile configurations at Mach numbers from 1.5 to 2.0
Report presenting performance characteristics of three similar canard-type, long-range ram-jet missiles to evaluate the relative merits of several types of engine installation. Some of the engine installations included a twin-engine nacelle-type installation strut-mounted above and below the fuselage, a twin-engine nacelle-type installation mounted on the wing, and a single-engine fuselage-contained installation with an underslung scoop-type inlet.
Date:
August 14, 1953
Creator:
Fradenburgh, Evan A. & Kremzier, Emil J.
Object Type:
Report
System:
The UNT Digital Library
Performance of a turbojet engine with adjustable first-stage turbine stator and variable-area exhaust nozzle
The performance of a turbojet engine with a two-stage turbine, an adjustable first-stage turbine stator, and a variable-area exhaust nozzle was investigated at selected constant engine speeds and two simulated flight conditions. For the particular component characteristics of the engine investigated, little improvement in thrust levels of interest by use of an adjustable rather than an optimum fixed first-stage turbine stator.
Date:
August 14, 1953
Creator:
Meyer, Carl L.; Smith, Ivan D. & Bloomer, Harry E.
Object Type:
Report
System:
The UNT Digital Library
The Slow Neutron Capture Cross Section of Carbon¹³
From abstract: "The cross section of carbon for the n, y reaction was determined using samples of graphite, barium carbonate and carbon dioxide. The results were consistent only when samples were used which were enriched in C¹³."
Date:
August 14, 1953
Creator:
Hennig, Gerhart R.
Object Type:
Report
System:
The UNT Digital Library
Analytical evaluation of effect of equivalence ratio inlet-air temperature and combustion pressure on performance of several possible ram-jet fuels
The results of an analytical investigation of the theoretical air specific impulse performance and adiabatic combustion temperatures of several possible ram-jet fuels over a range of equivalence ratios, inlet-air temperatures, and combustion pressures, is presented herein. The fuels include octane-1, 50-percent-magnesium slurry, boron, pentaborane, diborane, hydrogen, carbon, and aluminum. Thermal effects from high combustion temperatures were found to effect considerably the combustion performance of all the fuels. An increase in combustion pressure was beneficial to air specific impulse at high combustion temperatures. The use of these theoretical data in engine operation and in the evaluation of experimental data is described.
Date:
September 14, 1953
Creator:
Tower, Leonard K. & Gammon, Benson E.
Object Type:
Report
System:
The UNT Digital Library
Exploratory Investigation of Transpiration Cooling to Alleviate Aerodynamic Heating on an 8 Degree Cone in a Free Jet at a Mach Number of 2.05
Report presenting testing of the effectiveness of transpiration cooling of an 8 degree total angle conical body with water removed onto the surface through a porous section near the nose. Results regarding a reference test without cooling, a cooling test with 0.010 pound of water per second, a cooling test with 0.0025 pound of water per second, a hypothesis of the phenomena of liquid transpiration cooling, water consumption are provided.
Date:
September 14, 1953
Creator:
O'Sullivan, William J.; Chauvin, Leo T. & Rumsey, Charles B.
Object Type:
Report
System:
The UNT Digital Library