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Temperature distribution in the concrete shield

Description: Report describing the temperature in the Brookhaven concrete shield proposed for the X reactor. The report details the methods and equations used to find the values that determined that the effect of the gun barrel assembly in cooling the concrete is negligible.
Date: April 28, 1952
Creator: Triplett, John R.
Partner: UNT Libraries Government Documents Department
open access

Design Considerations for a Lattice Test Pile

Description: From abstract: "The present paper proposes a lattice test pile, (or LTP) as an alternate to the continuing program of building up and tearing down of exponential piles."
Date: July 28, 1952
Creator: Horning, W. A.
Partner: UNT Libraries Government Documents Department
open access

Fuel Rod Cooling in Natural Uranium Reactors

Description: An analysis is presented of the transfer of heat from a cylindrical fuel rod surrounded by a fast flowing coolant in an annular duct, with maximum power output limited by fuel rod temperatures, coolant pressure drop and pumping power requirements. A method is also presented for comparing and evaluating various liquid and gaseous coolants within these limitations. The report also shows and discusses some calculated results obtained for the systems considred in the study of natural U reactors for… more
Date: January 28, 1952
Creator: Trilling, C.A.
Partner: UNT Libraries Government Documents Department
open access

Preliminary Experiments on the Elastic Compressive Buckling of Plates With Integral Waffle-Like Stiffening

Description: Memorandum presenting an experimental investigation of the elastic compressive buckling strength of plates with various configurations of integral stiffening. Some of the configurations tested included ribbing that was longitudinal, transverse, longitudinal, and transverse, and skewed at various angles to the sides of the plates to form a diamond or waffle-like pattern. The results indicate that the waffle-like stiffening is of sufficient structural interest to merit further study of the plasti… more
Date: July 28, 1952
Creator: Dow, Norris F. & Hickman, William A.
Partner: UNT Libraries Government Documents Department
open access

Low-speed aerodynamic characteristics of a large-scale 45 degree swept-back wing with partial-span slats, double-slotted flaps, and ailerons

Description: Report presenting experimental data from force and pressure tests on a large-scale, semispan, wing-fuselage model. Longitudinal force and moment characteristics are given for the model with various combinations of slat spans. The wing had 45 degrees of sweepback, an aspect ratio of 6, a taper ratio of 0.5, and an NACA 64A010 section normal to the quarter-chord line of the unswept panel and had partial-span slats, aileron, and double-slotted flaps equipped.
Date: April 28, 1952
Creator: James, Harry A.
Partner: UNT Libraries Government Documents Department
open access

Experimental Investigation of Air-Cooled Turbine Blades in Turbojet Engine 12: Cooling Effectiveness of a Blade With an Insert and With Fins Made of a Continuous Corrugated Sheet

Description: Memorandum presenting an investigation conducted in a modified turbojet engine to determine the cooling effectiveness of an air-cooled turbine-rotor blade employing a corrugated metal sheet brazed to the inner surface of the blade shell to increase the internal heat-transfer area. The corrugated fin blade had a lower integrated average wall temperature at the section investigated than the more promising shell-supported blade types previously investigated. Results regarding the temperature distr… more
Date: August 28, 1952
Creator: Bartoo, Edward R. & Clure, John L.
Partner: UNT Libraries Government Documents Department
open access

Effect of Free Methyl Radicals on Slow Oxidation of Propane and Ethane

Description: Memorandum presenting a study of the effect of free methyl radicals on the slow oxidation of both ethane and propane by means of a photochemical decomposition reaction in a static system. The introduction of methyl radicals into a mixture of propane and oxygen or ethane and oxygen substantially lowered the initiation temperature of the combustion of the hydrocarbon.
Date: August 28, 1952
Creator: McDonald, Glen E. & Schalla, Rose L.
Partner: UNT Libraries Government Documents Department
open access

Evaluation of operating characteristics of a supersonic free-jet facility for full-scale ram-jet investigations

Description: From Summary: "A supersonic free-jet facility (Mach number 3) capable of accommodating full-scale ram-jet engines has been constructed and evaluated. A 24-inch circular nozzle produces a jet of sufficiently uniform velocity that a good simulation of the engine internal flow is obtained. An annular diffuser placed around the engine recovers part of the total pressure of the jet flow passing outside the engine so that the pressure ratios which must be imposed across the facility to start and main… more
Date: October 28, 1952
Creator: Wentworth, Carl B.; Hurrell, Herbert G. & Nakanishi, Shigeo
Partner: UNT Libraries Government Documents Department
open access

Hinge-moment and control-effectiveness characteristics of an outboard flap with an overhang nose balance on a tapered 35 degree sweptback wing of aspect ratio 4: transonic-bump method

Description: Report presenting an investigation in the high-speed tunnel to determine the hinge-moment and control-effectiveness characteristics of a tapered, 35 degree sweptback, semispan wing equipped with an outboard 43-percent-span flap. Results regarding the lift, rolling-moment, and pitching-moment characteristics are provided.
Date: August 28, 1952
Creator: Thompson, Robert F. & Moseley, William C., Jr.
Partner: UNT Libraries Government Documents Department
open access

Performance characteristics at Mach numbers to 2.0 of various types of side inlets mounted on fuselage of proposed supersonic airplane 4: rectangular cowl inlets with two-dimensional compression ramps

Description: Report presenting an experimental investigation to determine the performance of side inlets with external compression ramps and rectangular cowls mounted on the fuselage forebody of a proposed supersonic airplane. Results regarding supersonic Mach number range, subsonic Mach number of 0.63, and static or take-off conditions are provided.
Date: October 28, 1952
Creator: Simon, Paul C.
Partner: UNT Libraries Government Documents Department
open access

Performance of an impulse-type supersonic compressor with stators

Description: Report presenting testing of an impulse-type supersonic compressor rotor with stators tested in Freon-12 over a range of equivalent tip speeds and weight flows. A static pressure ratio of 1.83 and an efficiency of 84.7 percent were obtained at 69.1 percent of the design speed of 1604 feet per second in air.
Date: April 28, 1952
Creator: Klapproth, John F.; Ullman, Guy N. & Tysl, Edward R.
Partner: UNT Libraries Government Documents Department
open access

Handling Qualities of High-Speed Airplanes

Description: Report discussing some new requirements for satisfactory handling qualities due to the drastic changes in the speed range and configuration of airplanes. Longitudinal characteristics, lateral and directional stability and control characteristics, dynamic lateral and directional stability, and control effectiveness are described. Four categories of characteristics that may affect pilot control are included and ranked by level of severity.
Date: January 28, 1952
Creator: Williams, W. C. & Crossfield, A. S.
Partner: UNT Libraries Government Documents Department
open access

Investigation of a 10-Stage Subsonic Axial-Flow Research Compressor 1: Aerodynamic Design

Description: Memorandum presenting a 10-stage axial-flow compressor designed for use as a research unit in which the problems associated with the compounding of high performance stages could be studied. The overall performance characteristics of the compressor, as determined experimentally, are included.
Date: April 28, 1952
Creator: Johnsen, Irving A.
Partner: UNT Libraries Government Documents Department
open access

Low-speed longitudinal characteristics of a 45 degrees sweptback wing of aspect ratio 8 with high-lift and stall-control devices at Reynolds numbers from 1,500,000 to 4,800,000

Description: Report presenting the low-speed longitudinal stability characteristics of a wing with 45 degrees of sweepback of the quarter-chord line, an aspect ratio of 8, a taper ratio of 0.45, and NACA 63(sub 1)A012 airfoil sections parallel to the air streams investigated in the 19-foot pressure tunnel. Results regarding the basic wing, wing with fences, wing with trailing-edge flaps, wing with leading-edge flaps, a combination of both flaps, fences with the flaps deflected, leading-edge roughness, and t… more
Date: February 28, 1952
Creator: Pratt, George L. & Shields, E. Rousseau
Partner: UNT Libraries Government Documents Department
open access

An Experimental Investigation of the Combustion Properties of a Hydrocarbon Fuel and Several Magnesium and Boron Slurries

Description: Memorandum presenting an investigation conducted to explore the characteristics of metal-hydrocarbon combustion, to determine the effect of fuel-air ratio on the combustion efficiency, and to determine how the metal and hydrocarbon separately contribute to the overall combustion of several slurries. Results regarding an evaluation of the sampling method, combustion efficiency, effective metal weight fraction, effective hydrogen-carbon ratio, and heat of combustion per pound of air are provided.
Date: April 28, 1952
Creator: Lord, Albert M.
Partner: UNT Libraries Government Documents Department
open access

Effect of Current Design Trends on Airplane Spins and Recoveries

Description: Memorandum presenting a concept in aircraft design, which states that provision of a rolling moment in the direction of the turning rotation will be very effective, and may be necessary, for termination of any spin obtained. Current research indicates that wing sweep, use of heavy jet and rocket engines, in the fuselage, and long fuselage nose lengths are the primary causes of the changes in the nature of the spin and in the requirements for recovery.
Date: January 28, 1952
Creator: Neihouse, Anshal I.
Partner: UNT Libraries Government Documents Department
open access

The Structure of Turbulence in Fully Developed Pipe Flow

Description: "Measurements, principally with a hot-wire anemometer, were made in fully developed turbulent flow in a 10-inch pipe at speeds of approximately 10 and 100 feet per second. Emphasis was placed on turbulence and conditions near the wall. The results include relevant mean and statistical quantities, such as Reynolds stresses, triple correlations, turbulent dissipation, and energy spectra" (p. 1).
Date: October 28, 1952
Creator: Laufer, John
Partner: UNT Libraries Government Documents Department
open access

METALLURGY DIVISION QUARTERLY PROGRESS REPORT FOR PERIOD ENDING JANUARY 31, 1952

Description: Progress is reported on the following projects: Th alloy development, mechanical properties of Th, tensile properties and preferred orientation of Th, triple-dip slug canning, texture studies, fundumental studies of alloying, static cerrosion tests with low melting point alloys, dynamic corrosion testing of fluoride materials, mass transfer, structures of liquid Pb and liquid Bi, fabrication of tubular laminates for fuel elements, creep of Th, cone-arc welding, Homogeneous Reactor Experiment me… more
Date: August 28, 1952
Creator: Bridges, W.H. ed.
Partner: UNT Libraries Government Documents Department
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