The purpose of this report is to present the information obtained relative to the characteristic adsorption of radioisotopes in a long (forty feet) laboratory soil column treated with a high salt, process waste of high activity density. The movement of adsorbed cations in a soil column subjected to prolonged leeching by water also was determined.

Report presenting two-dimensional tests of eight 6-percent-thick symmetrical airfoils of the supersonic and subsonic types. Static pressures along the surfaces of each airfoil measured over a range of Mach numbers and angles of attack. Results regarding lift coefficient, drag coefficient, quarter-chord pitching-moment coefficient, and schileren photographs of the pressure distributions are provided.

From Introduction: "The purpose of this paper is to show that the number and location of ears can be computed on the basis of single-crystal behavior and a knowledge of the orientation of the polycrystalline aggregate. Although the proposed method is a general one, only face-centered cubic metals are considered in this paper."

From Introduction: "Most of the existing analyses for turbulent flow and heat transfer in passages have been confined to circular tubes or parallel plates (refs. 1 to 5). In reference 6, temperature distributions for rectangular and triangular ducts were calculated by using experimental velocity distributions and average heat-transfer coefficients. Some work on the calculation of the velocity and shear-stress distributions in corners is reported in reference 7."

None

The reactivity of uranium, thorium, aluminum, copper, iron, magnesium, zirconium, and Fluorothene with bromine trifluoride, bromine pentafluoride, chlorine trifluoride, and fluorine was investigated at tempertures ranging from 25 to 410 deg C. The reactivity of platinum with bromine trifluoride was also studied. (auth)

Vitro Corporation of America entered into a contract with the US Atomic Energy Commission on July 2, 1952 to furnish architect-engineering services in connection with the design and construction of a new chemical plant facility located in the 200 Area of the Hanford Works, Richland, Washington. This contract provided for engineering of facilities utilizing the Purex process to separate and decontaminate uranium and plutonium contained in slugs irradiated in Hanford reactors. Later, Vitro was requested to provide architect-engineering services for an expansion of the previously constructed Redox separation facility. This work, designated as ``Redox Phase II Expansion,`` was authorized by Modification No. 1 to the above contract and was executed April 17, 1953. This completion report has been prepared at the request of the AEC and is intended to provide a convenient source of information concerning the administrative history and engineering features of the Purex plant and the Redox Phase II Expansion.

None

Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.

This document provides a listing of codes and standards and a bibliography of design criteria for reactor plant modifications for increased production and for 100-C area alterations.

A conceptional design study was made of a lowpower ''package'' reactor plant for the production of 100 kw of electrical power and 400 kw of heat at remote Arctic installations. The power plant steam generator is proposed to be an unmanned, heterogeneous, boilingtype reactor capable of continuous operation for extended periods. The design is based on data derived from experiments with boiling-type reactors conducted by Argorne at the Reactor Testing Station, Arco, Idaho.

Report presenting an investigation of the blades of an experimental two-blade jet-driven helicopter when subject to a condition of near resonance between the frequencies of the first elastic bending mode of the blades and third harmonic component of the aerodynamic loading that results in high bending strains in normal flight conditions. Various changes in design configuration on the blade bending strains were explored. Results regarding the preliminary studies, effects of variation in flight conditions and blade configuration, and harmonic analysis are provided.

This report summarizes all the information available to the authors on the aluminum phosphate zone on the properties owned by International Minerals and Chemical Corporation.

Note presenting an analysis of the problem of shock-induced turbulent boundary-layer separation by an approximate method. The method is based on a moment-of-momentum equation and calculates the change of boundary-layer-thickness parameter sand form factor caused by a discontinuity where the effects of friction can be neglected. The form of the result suggests that the Mach number ratio across the shock is a characteristic parameter for defining shock-induced separation.

Note presenting a series of vitreous coatings of the same basic composition, but with cobalt-oxide contents varying from 0 to 6.4 percent by weight, which was fired on ingot iron in atmospheres consisting of various oxygen-nitrogen mixtures. Results of the investigation showed that a decrease in the amount of oxygen in the firing atmosphere necessitated an increase in the amount of cobalt oxide in the enamel if optimum adherence was to be secured.

Technical note presenting tests conducted to determine the factors influencing the thermal conductance across the interface formed between stationary plane surfaces of 75S-T6 aluminum-alloy and AISI Type 416 stainless-steel blocks. The types of joints investigated included bare metal-to-metal contact, contact surfaces separated by a good conductor (brass), and contact surfaces separated by a thin sheet of insulation (asbestos). Results regarding the effect of surface roughness, pressure, mean interface temperature, temperature drop, sandwich material, time as a factor in conductance, and effect of test reassembly and interface matching are provided.

Equipment has been designed and constructed for the purpose of leaching pure uranium minerals in both acidic and basic circuits. This equipment provides a means for removal of a series of samples during any one run, control over speed of agitation, indication of gas over pressure, and automatic temperature control. These units may be operated up to 1500 p.s.i. Solid UO2 samples were prepared by sintering under hydrogen to 1800 degree C. Preliminary results of the leaching of sintered UO2 in a basic Na2CO3-NaHCO3 circuit resulted in the formation of an insoluble yellow precipitate (probably Na2UO4) for low concentrations of Na2-NaHCO3. At higher carbonate concentrations no insoluble precipitate was formed and the rate of leaching was found to increase vary rapidly above 300 p.s.i. oxygen over pressure.

Report issued by the Bureau of Mines over investigations of coking coal reserves of Overton County, Tennessee. Testing to determine suitability for producing metallurgical coke is also presented. Methods used, and measurements of coal reserves are listed. This report includes tables, maps, and illustrations.

Describes the success of grassland improvement methods as demonstrated by experiment stations, agricultural technicians, farmers, and ranchers.

Note presenting an experimental investigation of the heat-loss characteristics of heated fine wires suitable for use as anemometers in turbulence research. The effects of each of the several variables on the heat-loss characteristics of both normally oriented and swept wires were measured. The temperature-loading effects were found to cause large sensitivity differences between constant-temperature and constant-current operation.

Report presenting an investigation of the take-off, landing, and hovering-flight characteristics of a four-engine-transport, vertical take-off airplane with a remotely controlled free-flight model. The model had four propellers distributed along the wing with thrust axes parallel to the fuselage axis. Results regarding hovering flight at altitude, hovering flight near the ground, take-offs and landings, and preliminary tests with lower vanes installed are provided.

Note presenting an investigation of screens placed transversely across the jet as a noise-reduction device on a full-scale turbojet engine to determine the effect on the sound field of screen mesh, wire diameter, and screen location. The investigation showed that the screens, when properly placed, lower the noise level in the area downstream of the jet exit and increase it upstream.

Note presenting an investigation of three NACA 1-series nose inlets, two of which were fitted with protruded central bodies, was conducted in the 8-foot high-speed tunnel. An elliptical-nose body which had a critical Mach number approximately equal to that of one of the nose inlets, was also tested. Results regarding the nose inlet characteristics and nose-inlet-central-body combinations are provided.

None